{"id":1448,"date":"2026-04-14T03:32:26","date_gmt":"2026-04-14T03:32:26","guid":{"rendered":"https:\/\/worm-reducer.top\/?post_type=product&p=1448"},"modified":"2026-04-14T03:35:22","modified_gmt":"2026-04-14T03:35:22","slug":"wpa-100-cast-iron-worm-reducer","status":"publish","type":"product","link":"https:\/\/worm-reducer.top\/ms\/product\/wpa-100-cast-iron-worm-reducer\/","title":{"rendered":"WPA 100 Cast Iron Worm Reducer"},"content":{"rendered":"

[et_pb_section fb_built=”1″ fullwidth=”on” _builder_version=”4.27.2″ _module_preset=”default” global_colors_info=”{}”][et_pb_fullwidth_code _builder_version=”4.27.2″ _module_preset=”default” hover_enabled=”0″ global_colors_info=”{}” sticky_enabled=”0″]WPA 100 Cast Iron Worm Reducer | 100mm Heavy-Duty Industrial Gearbox \u2014 Ever-power<\/title><!-- [et_pb_line_break_holder] --><meta name=\"description\" content=\"WPA 100 cast iron worm reducer. 100mm centre distance, ratios 5:1-60:1, output torque up to 291 Nm. FG260 cast iron housing. For mining, water treatment and heavy industry in Australia.\"><!-- [et_pb_line_break_holder] --><link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"><!-- [et_pb_line_break_holder] --><link href=\"https:\/\/fonts.googleapis.com\/css2?family=DM+Sans:ital,wght@0,400;0,500;0,600;0,700&family=Instrument+Serif:ital@0;1&display=swap\" rel=\"stylesheet\"><!-- [et_pb_line_break_holder] --><\/p>\n<style><!-- [et_pb_line_break_holder] -->:root{--primary:#0A2540;--primary-mid:#1E3A8A;--accent:#00A3FF;--teal:#14B8A6;--white:#FFFFFF;--light-blue:#E0F2FE;--off-white:#F8FAFC;--grey-100:#F1F5F9;--grey-200:#E2E8F0;--grey-500:#64748B;--grey-700:#334155;--grey-900:#0F172A;--font-heading:'Instrument Serif',Georgia,serif;--font-body:'DM Sans',Helvetica,Arial,sans-serif;--max-w:1200px;--section-py:72px}<!-- [et_pb_line_break_holder] -->*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-body)!important;color:var(--grey-900)!important;background:var(--white)!important;line-height:1.7!important;font-size:16px!important}img{max-width:100%!important;height:auto!important;display:block}a{color:var(--accent)!important;text-decoration:none!important;transition:color .2s}a:hover{color:var(--teal)!important}.wrap{max-width:var(--max-w);margin:0 auto;padding:0 24px}h1,h2,h3,h4,h5,h6{padding-bottom:0!important}<!-- [et_pb_line_break_holder] -->.ep-page{background:var(--white)!important;color:var(--grey-900)!important;font-family:var(--font-body)!important;line-height:1.7!important;font-size:16px!important;margin:0!important;padding:0!important;width:100%!important}.ep-page h1,.ep-page h2,.ep-page h3,.ep-page h4{color:var(--primary)!important;padding-bottom:0!important}.ep-page p{color:var(--grey-700)!important;line-height:1.7!important}.ep-page li{color:var(--grey-700)!important;line-height:1.7!important}.et_pb_code_inner{background:transparent!important;padding:0!important}<!-- [et_pb_line_break_holder] -->.prod-banner{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-mid) 100%)!important;padding:48px 0!important}.prod-banner h1,.prod-banner p,.prod-banner span,.prod-banner div{color:var(--white)!important}.prod-banner h1{font-family:var(--font-heading)!important;font-size:40px!important;line-height:1.15!important;margin-bottom:8px!important;font-weight:400!important}.prod-banner h1 em{color:var(--accent)!important;font-style:italic}.prod-banner p{font-size:17px!important;color:rgba(255,255,255,.75)!important;max-width:620px}<!-- [et_pb_line_break_holder] -->.breadcrumb{background:var(--off-white)!important;border-bottom:1px solid var(--grey-200)!important;padding:14px 0!important}.breadcrumb .wrap{display:flex;align-items:center;gap:8px;font-size:13px!important;color:var(--grey-500)!important;flex-wrap:wrap}.breadcrumb a{color:var(--grey-500)!important;font-weight:500!important}.breadcrumb a:hover{color:var(--accent)!important}.breadcrumb .sep{color:var(--grey-200)!important}.breadcrumb .current{color:var(--primary)!important;font-weight:600!important}<!-- [et_pb_line_break_holder] -->.section{padding:var(--section-py) 0;background:var(--white)!important}.section--alt{background:var(--off-white)!important}.section-label{display:inline-block;font-size:12px!important;font-weight:700!important;text-transform:uppercase;letter-spacing:1.5px;color:var(--accent)!important;margin-bottom:10px!important}.section-title{font-family:var(--font-heading)!important;font-size:32px!important;line-height:1.2!important;color:var(--primary)!important;margin-bottom:14px!important}.section-subtitle{font-size:16px!important;color:var(--grey-500)!important;max-width:700px;margin-bottom:36px!important}<!-- [et_pb_line_break_holder] -->.prod-hero{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}.prod-img{background:var(--grey-100)!important;border-radius:12px;padding:32px;display:flex;align-items:center;justify-content:center}.prod-img img{max-height:400px;object-fit:contain}.prod-meta h2{font-family:var(--font-heading)!important;font-size:30px!important;color:var(--primary)!important;margin-bottom:12px!important;line-height:1.2!important}.prod-meta p{font-size:15px!important;color:var(--grey-700)!important;margin-bottom:14px!important}<!-- [et_pb_line_break_holder] -->.quick-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:24px 0!important}.qs-item{background:var(--light-blue)!important;border-radius:8px;padding:16px!important;text-align:center}.qs-item .qs-val{font-family:var(--font-heading)!important;font-size:22px!important;color:var(--primary)!important;line-height:1.2!important}.qs-item .qs-label{font-size:11px!important;color:var(--grey-500)!important;margin-top:4px;text-transform:uppercase;letter-spacing:.5px}<!-- [et_pb_line_break_holder] -->.prod-tags{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0!important}.prod-tag{font-size:12px!important;background:var(--grey-100)!important;color:var(--grey-700)!important;padding:5px 12px!important;border-radius:20px}<!-- [et_pb_line_break_holder] -->.btn-primary{display:inline-block;background:var(--accent)!important;color:var(--white)!important;padding:14px 32px!important;border-radius:4px;font-weight:600!important;font-size:15px!important;transition:background .25s,transform .2s}.btn-primary:hover{background:var(--teal)!important;color:var(--white)!important;transform:translateY(-2px)}.btn-outline{display:inline-block;border:1px solid var(--primary)!important;color:var(--primary)!important;padding:14px 32px!important;border-radius:4px;font-weight:500!important;font-size:15px!important;transition:border-color .25s}.btn-outline:hover{border-color:var(--accent)!important;color:var(--accent)!important}.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}<!-- [et_pb_line_break_holder] -->.data-table-wrap{overflow-x:auto;margin:0 0 8px!important;border-radius:8px;border:1px solid var(--grey-200)!important}.data-table{width:100%;border-collapse:collapse;font-size:13px!important;white-space:nowrap}.data-table th{background:var(--primary)!important;color:var(--white)!important;padding:10px 12px!important;text-align:center;font-weight:600!important;font-size:11px!important;text-transform:uppercase;letter-spacing:.5px}.data-table td{padding:8px 12px!important;border-bottom:1px solid var(--grey-200)!important;color:var(--grey-700)!important;text-align:center}.data-table tbody tr:hover td{background:var(--light-blue)!important}.table-note{font-size:12px!important;color:var(--grey-500)!important;margin-top:8px!important}<!-- [et_pb_line_break_holder] -->.tab-nav{display:flex;gap:0;border-bottom:2px solid var(--grey-200)!important;margin-bottom:28px;overflow-x:auto}.tab-btn{background:none!important;border:none!important;padding:12px 20px!important;font-family:var(--font-body)!important;font-size:14px!important;font-weight:600!important;color:var(--grey-500)!important;cursor:pointer;border-bottom:2px solid transparent!important;margin-bottom:-2px;white-space:nowrap;transition:color .2s,border-color .2s}.tab-btn:hover{color:var(--primary)!important}.tab-btn.active{color:var(--accent)!important;border-bottom-color:var(--accent)!important}.tab-panel{display:none}.tab-panel.active{display:block}<!-- [et_pb_line_break_holder] -->.dim-drawing{background:var(--white)!important;border:1px solid var(--grey-200)!important;border-radius:12px;padding:24px!important;text-align:center;margin-bottom:28px}.dim-drawing .placeholder{padding:60px 24px!important;color:var(--grey-500)!important;font-size:14px!important;border:2px dashed var(--grey-200)!important;border-radius:8px}<!-- [et_pb_line_break_holder] -->.feat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:8px}.feat-card{background:var(--white)!important;border:1px solid var(--grey-200)!important;border-radius:10px;padding:24px!important;transition:border-color .3s}.feat-card:hover{border-color:var(--accent)!important}.feat-card h4{font-size:16px!important;font-weight:600!important;color:var(--primary)!important;margin-bottom:10px!important}.feat-card p{font-size:14px!important}<!-- [et_pb_line_break_holder] -->.model-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.model-card{background:var(--white)!important;border:1px solid var(--grey-200)!important;border-radius:8px;padding:20px 16px!important;text-align:center;transition:border-color .3s,transform .3s}.model-card:hover{border-color:var(--accent)!important;transform:translateY(-3px)}.model-card h4{font-size:15px!important;font-weight:600!important;color:var(--primary)!important;margin-bottom:4px!important}.model-card p{font-size:12px!important;color:var(--grey-500)!important}.model-card.current{border-color:var(--accent)!important;background:var(--light-blue)!important}<!-- [et_pb_line_break_holder] -->.cta-bar{background:linear-gradient(135deg,var(--primary) 0%,var(--primary-mid) 100%)!important;padding:56px 0!important;text-align:center}.cta-bar h2,.cta-bar p,.cta-bar div,.cta-bar span{color:var(--white)!important}.cta-bar h2{font-family:var(--font-heading)!important;font-size:30px!important;margin-bottom:12px!important}.cta-bar p{color:rgba(255,255,255,.75)!important;font-size:16px!important;max-width:560px;margin:0 auto 24px!important}.cta-bar .btn-row{justify-content:center}<!-- [et_pb_line_break_holder] -->.acc-list{display:flex;flex-direction:column;gap:16px;max-width:900px}.acc-item{border:1px solid var(--grey-200)!important;border-radius:10px;overflow:hidden;background:var(--white)!important;transition:border-color .3s}.acc-item:hover{border-color:var(--accent)!important}.acc-q{width:100%;background:none!important;border:none!important;padding:20px 24px!important;font-family:var(--font-body)!important;font-size:16px!important;font-weight:600!important;color:var(--primary)!important;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;transition:background .2s}.acc-q:hover{background:var(--light-blue)!important}.acc-q .arrow{font-size:20px!important;color:var(--accent)!important;transition:transform .3s;flex-shrink:0}.acc-item.open .acc-q .arrow{transform:rotate(180deg)}.acc-a{max-height:0;overflow:hidden;transition:max-height .5s ease}.acc-item.open .acc-a{max-height:3000px}.acc-a-inner{padding:0 24px 20px!important;font-size:15px!important;color:var(--grey-700)!important;line-height:1.7!important}.acc-a-inner h4{font-size:16px!important;font-weight:600!important;color:var(--primary)!important;margin:16px 0 6px!important}.acc-a-inner ul{margin:8px 0 12px 20px!important}.acc-a-inner li{margin-bottom:4px!important;font-size:14px!important}<!-- [et_pb_line_break_holder] -->@media(max-width:1024px){.prod-hero{grid-template-columns:1fr}.model-grid{grid-template-columns:repeat(3,1fr)}.feat-grid{grid-template-columns:1fr}}<!-- [et_pb_line_break_holder] -->@media(max-width:768px){:root{--section-py:48px}.prod-banner h1{font-size:28px!important}.section-title{font-size:26px!important}.quick-specs{grid-template-columns:repeat(2,1fr)}.model-grid{grid-template-columns:repeat(2,1fr)}.tab-btn{padding:10px 14px!important;font-size:13px!important}}<!-- [et_pb_line_break_holder] --><\/style>\n<p><!-- [et_pb_line_break_holder] --><\/head><!-- [et_pb_line_break_holder] --><body><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"ep-page\"><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<section class=\"prod-banner\">\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h1>WPA 100 <em>Cast Iron Worm Reducer<\/em><\/h1>\n<p><!-- [et_pb_line_break_holder] --> <pee>100 mm centre distance | Ratios 5:1 to 60:1 | FG260 cast iron housing | 1.0 \u2014 4.45 kW input<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<div class=\"breadcrumb\">\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/worm-reducer.top\/ms\/\">Home<\/a><span class=\"sep\">›<\/span><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/products\/\">Products<\/a><span class=\"sep\">›<\/span><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/products\/wpa-wps-cast-iron-worm-reducer\/\">WPA \/ WPS Series<\/a><span class=\"sep\">›<\/span><!-- [et_pb_line_break_holder] --> <span class=\"current\">WPA 100<\/span><!-- [et_pb_line_break_holder] --><\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"prod-hero\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"prod-img\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/worm-reducer.top\/wp-content\/uploads\/2026\/04\/wpa-wps-series-single-stage-worm-reducer.webp\" alt=\"WPA 100 cast iron worm reducer 100mm\" width=\"480\" height=\"400\"><\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"prod-meta\"><!-- [et_pb_line_break_holder] --> <span class=\"section-label\">WPA \/ WPS Series<\/span><!-- [et_pb_line_break_holder] --> <\/p>\n<h2>WPA 100 Cast Iron Worm Reducer<\/h2>\n<p><!-- [et_pb_line_break_holder] --> <pee>The most widely specified cast-iron worm reducer in Australian heavy industry. Mining conveyor auxiliary drives across the Pilbara, water treatment clarifier scrapers in Queensland municipal facilities, sugar cane crushing auxiliary equipment, and heavy-duty gate valve actuators in dam infrastructure. At 35 kg with output torques reaching 291 Nm, the WPA 100 handles continuous industrial duty that aluminium gearboxes cannot sustain.<\/pee><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"quick-specs\"><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">100 mm<\/div>\n<div class=\"qs-label\">Centre Distance<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">5:1-60:1<\/div>\n<div class=\"qs-label\">Ratio Range<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">291 Nm<\/div>\n<div class=\"qs-label\">Max Output Torque<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">1.00-4.45 kW<\/div>\n<div class=\"qs-label\">Input Power<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">FG260<\/div>\n<div class=\"qs-label\">Cast Iron Housing<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">35 kg<\/div>\n<div class=\"qs-label\">Unit Weight<\/div>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"prod-tags\"><!-- [et_pb_line_break_holder] --> <span class=\"prod-tag\">FG260 Cast Iron<\/span><span class=\"prod-tag\">Solid Shaft I\/O<\/span><!-- [et_pb_line_break_holder] --> <span class=\"prod-tag\">5 Shaft Directions<\/span><span class=\"prod-tag\">Motor Flange (D variant)<\/span><!-- [et_pb_line_break_holder] --> <span class=\"prod-tag\">Hollow Shaft (K variant)<\/span><span class=\"prod-tag\">ISO 9001<\/span><!-- [et_pb_line_break_holder] --> <span class=\"prod-tag\">18-Month Warranty<\/span><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"btn-row\"><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/worm-reducer.top\/ms\/contact-us\/\" class=\"btn-primary\">Request Quote for WPA 100<\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/products\/wpa-wps-cast-iron-worm-reducer\/\" class=\"btn-outline\">View Full WPA\/WPS Series<\/a><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<section class=\"section section--alt\">\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] --> <span class=\"section-label\">Application & Selection<\/span><!-- [et_pb_line_break_holder] --> <\/p>\n<h2 class=\"section-title\">Where the WPA 100 Is Installed in Australia<\/h2>\n<p><!-- [et_pb_line_break_holder] --> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;margin-bottom:20px!important;\">The most widely specified cast-iron worm reducer in Australian heavy industry. Mining conveyor auxiliary drives across the Pilbara, water treatment clarifier scrapers in Queensland municipal facilities, sugar cane crushing auxiliary equipment, and heavy-duty gate valve actuators in dam infrastructure. At 35 kg with output torques reaching 291 Nm, the WPA 100 handles continuous industrial duty that aluminium gearboxes cannot sustain.<\/pee><!-- [et_pb_line_break_holder] --> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:10px!important;font-weight:600!important;\">When to Choose This Model<\/h3>\n<p><!-- [et_pb_line_break_holder] --> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;\">The WPA 100 covers the 1.0-4.45 kW range. For 5.5 kW+ or sustained torques above 400 Nm, step to <a href=\"\/ms\/product\/wpa-120-cast-iron-worm-reducer\/\">WPA 120<\/a>. Choose cast iron over aluminium when the application involves sustained vibration, belt-tension side loads, outdoor installation, or ambient temperatures above 45 degrees C where aluminium thermal expansion affects bearing alignment.<\/pee><!-- [et_pb_line_break_holder] --> <pee style=\"font-size:14px!important;color:var(--grey-500)!important;margin-top:16px!important;\">For materials, configuration variants, efficiency data, lubrication, and selection methodology, refer to the <a href=\"\/ms\/products\/wpa-wps-cast-iron-worm-reducer\/\">WPA\/WPS Series overview<\/a>.<\/pee><!-- [et_pb_line_break_holder] --><\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<section class=\"section\">\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] --> <span class=\"section-label\">Technical Data<\/span><!-- [et_pb_line_break_holder] --> <\/p>\n<h2 class=\"section-title\">WPA 100 Specifications<\/h2>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"section-subtitle\">Input speed: 1,500 RPM. All dimensions in mm.<\/pee><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"tab-nav\"><!-- [et_pb_line_break_holder] --> <button class=\"tab-btn active\" onclick=\"openTab(event,'tab-pt')\">Power & Torque<\/button><!-- [et_pb_line_break_holder] --> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-dim')\">WPA Dimensions<\/button><!-- [et_pb_line_break_holder] --> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-radial')\">Radial Load<\/button><!-- [et_pb_line_break_holder] --> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-variants')\">Available Variants<\/button><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div id=\"tab-pt\" class=\"tab-panel active\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Input Power & Output Torque (1,500 RPM)<\/h3>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"><!-- [et_pb_line_break_holder] --> <\/p>\n<thead>\n<tr>\n<th>Ratio<\/th>\n<th>Input Power (kW)<\/th>\n<th>Output Torque (Nm)<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tbody><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>5:1<\/td>\n<td>4.45<\/td>\n<td>170<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>10:1<\/td>\n<td>3.60<\/td>\n<td>193<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>15:1<\/td>\n<td>3.10<\/td>\n<td>237<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>20:1<\/td>\n<td>2.60<\/td>\n<td>258<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>25:1<\/td>\n<td>2.35<\/td>\n<td>284<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>30:1<\/td>\n<td>2.10<\/td>\n<td>277<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>40:1<\/td>\n<td>1.68<\/td>\n<td>291<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>50:1<\/td>\n<td>1.30<\/td>\n<td>257<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>60:1<\/td>\n<td>1.00<\/td>\n<td>229<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/tbody>\n<p><!-- [et_pb_line_break_holder] --> <\/table>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"table-note\">Values for WP, WPK, WPWK type configurations. For WPD variants (with motor flange), refer to the WPD power table on the <a href=\"\/ms\/products\/wpa-wps-cast-iron-worm-reducer\/\">series page<\/a>. <a href=\"https:\/\/worm-reducer.top\/ms\/contact-us\/\">Contact our engineers<\/a> for application-specific verification.<\/pee><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div id=\"tab-dim\" class=\"tab-panel\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">WPA 100 Housing Dimensions (mm)<\/h3>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"dim-drawing\"><img decoding=\"async\" src=\"https:\/\/worm-reducer.top\/wp-content\/uploads\/2026\/04\/wpa-worm-reducer-dimensions.webp\" alt=\"WPA cast iron worm reducer dimensional drawing\" width=\"800\"><\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"><!-- [et_pb_line_break_holder] --> <\/p>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>A<\/th>\n<th>AB<\/th>\n<th>B<\/th>\n<th>BB<\/th>\n<th>CC<\/th>\n<th>H<\/th>\n<th>HL<\/th>\n<th>M<\/th>\n<th>N<\/th>\n<th>E<\/th>\n<th>F<\/th>\n<th>G<\/th>\n<th>Z<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tbody>\n<tr style=\"background:rgba(0,163,255,.06)!important;font-weight:600!important;\">\n<td>WPA 100<\/td>\n<td>322<\/td>\n<td>190<\/td>\n<td>254<\/td>\n<td>169<\/td>\n<td>100<\/td>\n<td>336<\/td>\n<td>100<\/td>\n<td>190<\/td>\n<td>270<\/td>\n<td>155<\/td>\n<td>220<\/td>\n<td>25<\/td>\n<td>15<\/td>\n<\/tr>\n<\/tbody>\n<p><!-- [et_pb_line_break_holder] --> <\/table>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<h4 style=\"font-size:16px!important;font-weight:600!important;color:var(--primary)!important;margin:24px 0 12px!important;\">Shaft Dimensions<\/h4>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"><!-- [et_pb_line_break_holder] --> <\/p>\n<thead>\n<tr>\n<th>Model<\/th>\n<th>Input HS<\/th>\n<th>Input U<\/th>\n<th>Input Key TxV<\/th>\n<th>Output LS<\/th>\n<th>Output S<\/th>\n<th>Output Key WxY<\/th>\n<th>Weight (kg)<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tbody>\n<tr style=\"background:rgba(0,163,255,.06)!important;font-weight:600!important;\">\n<td>WPA 100<\/td>\n<td>50<\/td>\n<td>25<\/td>\n<td>7×4<\/td>\n<td>75<\/td>\n<td>38<\/td>\n<td>10×4.5<\/td>\n<td>35<\/td>\n<\/tr>\n<\/tbody>\n<p><!-- [et_pb_line_break_holder] --> <\/table>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"table-note\">Shaft direction options: A (input below), S (input above), O (output up), X (output down), Z (vertical). Default is direction A unless specified.<\/pee><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div id=\"tab-radial\" class=\"tab-panel\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Output Shaft Radial Load Capacity (N) \u2014 Size 100<\/h3>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"><!-- [et_pb_line_break_holder] --> <\/p>\n<thead>\n<tr>\n<th>Input RPM<\/th>\n<th>5:1<\/th>\n<th>10:1<\/th>\n<th>15:1<\/th>\n<th>20:1<\/th>\n<th>25:1<\/th>\n<th>30:1<\/th>\n<th>40:1<\/th>\n<th>50:1<\/th>\n<th>60:1<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tbody><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>1500<\/td>\n<td>1500<\/td>\n<td>1260<\/td>\n<td>1260<\/td>\n<td>1600<\/td>\n<td>1950<\/td>\n<td>2000<\/td>\n<td>2100<\/td>\n<td>2500<\/td>\n<td>2700<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>1000<\/td>\n<td>1000<\/td>\n<td>1350<\/td>\n<td>1350<\/td>\n<td>1700<\/td>\n<td>2100<\/td>\n<td>2200<\/td>\n<td>2300<\/td>\n<td>2700<\/td>\n<td>3000<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/tbody>\n<p><!-- [et_pb_line_break_holder] --> <\/table>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"table-note\">Radial load values at the midpoint of the output shaft. For loads applied at other positions, apply the correction formula from the <a href=\"\/ms\/products\/wpa-wps-cast-iron-worm-reducer\/\">series page<\/a>.<\/pee><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --> <\/p>\n<div id=\"tab-variants\" class=\"tab-panel\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Available Configurations for Size 100<\/h3>\n<p><!-- [et_pb_line_break_holder] --> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;margin-bottom:20px!important;\">The WPA 100 is available in all standard WP configuration variants. Each variant uses the same 100 mm centre distance worm gear set in a different housing and shaft arrangement.<\/pee><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"><!-- [et_pb_line_break_holder] --> <\/p>\n<thead>\n<tr>\n<th>Variant<\/th>\n<th>Box Type<\/th>\n<th>Input<\/th>\n<th>Output<\/th>\n<th>Motor Flange<\/th>\n<th>Hollow Shaft<\/th>\n<\/tr>\n<\/thead>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tbody><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPA 100<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>Solid shaft<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPS 100<\/td>\n<td>Whole<\/td>\n<td>Solid shaft (upper)<\/td>\n<td>Solid shaft<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPO 100<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>Up direction<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPX 100<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>Down direction<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPDA 100<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Solid shaft<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPDS 100<\/td>\n<td>Split<\/td>\n<td>Motor flange (upper)<\/td>\n<td>Solid shaft<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPKA 100<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>Solid shaft<\/td>\n<td>No<\/td>\n<td>Yes (output)<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPDKA 100<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Solid shaft<\/td>\n<td>Yes<\/td>\n<td>Yes (output)<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/p>\n<tr>\n<td>WPZ 100<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>Vertical<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p><!-- [et_pb_line_break_holder] --> <\/tbody>\n<p><!-- [et_pb_line_break_holder] --> <\/table>\n<\/div>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"table-note\">P = whole (one-piece) housing. D = split (two-piece) housing with motor flange adapter. K = hollow output shaft for shaft-mounted installation. Specify variant code when <a href=\"https:\/\/worm-reducer.top\/ms\/contact-us\/\">requesting a quote<\/a>.<\/pee><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<section class=\"section section--alt\">\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] --> <span class=\"section-label\">WPA \/ WPS Series<\/span><!-- [et_pb_line_break_holder] --> <\/p>\n<h2 class=\"section-title\">Other Sizes in This Series<\/h2>\n<p><!-- [et_pb_line_break_holder] --> <pee class=\"section-subtitle\">13 centre distances from 40 mm to 250 mm. Click any model for full specifications.<\/pee><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"model-grid\"><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-040-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 040<\/h4>\n<pee>40mm | 4kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-050-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 050<\/h4>\n<pee>50mm | 7kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-060-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 060<\/h4>\n<pee>60mm | 10kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-070-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 070<\/h4>\n<pee>70mm | 15kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-080-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 080<\/h4>\n<pee>80mm | 20kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-100-cast-iron-worm-reducer\/\" class=\"model-card current\"><\/p>\n<h4>WPA 100<\/h4>\n<pee>100mm | 35kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-120-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 120<\/h4>\n<pee>120mm | 60kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-135-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 135<\/h4>\n<pee>135mm | 80kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-147-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 147<\/h4>\n<pee>147mm | 98kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-155-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 155<\/h4>\n<pee>155mm | 110kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-175-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 175<\/h4>\n<pee>175mm | 150kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-200-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 200<\/h4>\n<pee>200mm | 215kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/product\/wpa-250-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 250<\/h4>\n<pee>250mm | 360kg<\/pee><\/a><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/p>\n<section class=\"cta-bar\">\n<div class=\"wrap\"><!-- [et_pb_line_break_holder] --> <\/p>\n<h2>Need Help Selecting the Right WPA Size?<\/h2>\n<p><!-- [et_pb_line_break_holder] --> <pee>Send us your torque, ratio, mounting, and motor specifications. Our engineers will confirm the selection and return a sizing report within 24 hours.<\/pee><!-- [et_pb_line_break_holder] --> <\/p>\n<div class=\"btn-row\"><!-- [et_pb_line_break_holder] --> <a href=\"https:\/\/worm-reducer.top\/ms\/contact-us\/\" class=\"btn-primary\">Request Sizing Support<\/a><!-- [et_pb_line_break_holder] --> <a href=\"\/ms\/products\/wpa-wps-cast-iron-worm-reducer\/\" class=\"btn-outline\" style=\"border-color:rgba(255,255,255,.35)!important;color:var(--white)!important;\">Back to WPA\/WPS Series<\/a><!-- [et_pb_line_break_holder] --> <\/div>\n<p><!-- [et_pb_line_break_holder] --><\/div>\n<\/section>\n<p><!-- [et_pb_line_break_holder] --><!-- [et_pb_line_break_holder] --><\/div>\n<p><!-- [et_pb_line_break_holder] --><script>function openTab(e,t){var p=document.querySelectorAll(\".tab-panel\"),b=document.querySelectorAll(\".tab-btn\");for(var i=0;i<p.length;i++)p[i].classList.remove(\"active\");for(var i=0;i<b.length;i++)b[i].classList.remove(\"active\");document.getElementById(t).classList.add(\"active\");e.currentTarget.classList.add(\"active\")}<\/script><!-- [et_pb_line_break_holder] --><\/body><!-- [et_pb_line_break_holder] --><\/html>[\/et_pb_fullwidth_code][\/et_pb_section]<\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":""},"product_cat":[1765,1760],"product_tag":[],"class_list":{"0":"post-1448","1":"product","2":"type-product","3":"status-publish","5":"product_cat-wpa-wps-cast-iron-worm-reducer","6":"product_cat-uncategorized","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/product\/1448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/comments?post=1448"}],"wp:attachment":[{"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/media?parent=1448"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/product_cat?post=1448"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/worm-reducer.top\/ms\/wp-json\/wp\/v2\/product_tag?post=1448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}