WPA 250 Cast Iron Worm Reducer | 250mm Heavy-Duty Gearbox \u2014 Ever-power<\/title><meta name=\"description\" content=\"WPA 250 cast iron worm reducer. 250mm centre distance, ratios 10:1-60:1, output torque up to 2745 Nm. 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class=\"ep-page\"><\/p>\n<section class=\"prod-banner\">\n<div class=\"wrap\"> <\/p>\n<h1>WPA 250 <em>Cast Iron Worm Reducer<\/em><\/h1>\n<p> <pee>250 mm centre distance | Ratios 10:1-60:1 | FG260 cast iron | 8.62-33.20 kW input | 360 kg<\/pee><\/div>\n<\/section>\n<p><\/p>\n<div class=\"breadcrumb\">\n<div class=\"wrap\"> <a href=\"https:\/\/worm-reducer.top\/kk\/\">Home<\/a><span class=\"sep\">›<\/span> <a href=\"\/kk\/products\/\">Products<\/a><span class=\"sep\">›<\/span> <a href=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\">WPA \/ WPS Series<\/a><span class=\"sep\">›<\/span> <span class=\"current\">WPA 250<\/span><\/div>\n<\/div>\n<p><\/p>\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"prod-hero\"> <\/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 250 cast iron worm reducer 250mm\" width=\"480\" height=\"400\"><\/div>\n<p> <\/p>\n<div class=\"prod-meta\"> <span class=\"section-label\">WPA \/ WPS Series<\/span> <\/p>\n<h2>WPA 250 Cast Iron Worm Reducer<\/h2>\n<p> <pee>The largest single-stage cast-iron worm reducer in the WPA range. Deployed on mining primary crusher feed conveyors, large-scale dam infrastructure penstock and sluice gate actuators, heavy industrial…<\/pee> <\/p>\n<div class=\"quick-specs\"> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">250 mm<\/div>\n<div class=\"qs-label\">Centre Distance<\/div>\n<\/div>\n<p> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">10:1-60:1<\/div>\n<div class=\"qs-label\">Ratio Range<\/div>\n<\/div>\n<p> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">2745 Nm<\/div>\n<div class=\"qs-label\">Max Output Torque<\/div>\n<\/div>\n<p> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">8.62-33.20 kW<\/div>\n<div class=\"qs-label\">Input Power<\/div>\n<\/div>\n<p> <\/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> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">360 kg<\/div>\n<div class=\"qs-label\">Unit Weight<\/div>\n<\/div>\n<p> <\/div>\n<p> <\/p>\n<div class=\"prod-tags\"> <span class=\"prod-tag\">FG260 Cast Iron<\/span><span class=\"prod-tag\">Solid Shaft I\/O<\/span> <span class=\"prod-tag\">5 Shaft Directions<\/span><span class=\"prod-tag\">Motor Flange (D variant)<\/span> <span class=\"prod-tag\">Hollow Shaft (K variant)<\/span><span class=\"prod-tag\">18-Month Warranty<\/span> <\/div>\n<p> <\/p>\n<div class=\"btn-row\"> <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\" class=\"btn-primary\">Request Quote for WPA 250<\/a> <a href=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\" class=\"btn-outline\">View Full WPA\/WPS Series<\/a> <\/div>\n<p> <\/div>\n<p><\/div>\n<\/div>\n<\/section>\n<p><\/p>\n<section class=\"section section--alt\">\n<div class=\"wrap\"> <span class=\"section-label\">Application & Selection<\/span> <\/p>\n<h2 class=\"section-title\">Where the WPA 250 Is Installed in Australia<\/h2>\n<p> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;margin-bottom:20px!important;\">The largest single-stage cast-iron worm reducer in the WPA range. Deployed on mining primary crusher feed conveyors, large-scale dam infrastructure penstock and sluice gate actuators, heavy industrial kiln main drives, and infrastructure-grade process equipment in mineral processing plants. At 360 kg and nearly 2,750 Nm output torque, the WPA 250 serves applications that would otherwise require a helical-bevel or planetary gearbox.<\/pee> <\/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> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;\">The WPA 250 covers the Maximum capacity in the single-stage range. For ratios above 60:1 or torques beyond 2,750 Nm, consider our <a href=\"\/kk\/products\/wpe-double-stage-worm-reducer\/\">WPE double-stage series<\/a> or <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\">contact us<\/a> for a custom solution.. Choose cast iron over aluminium when the application involves sustained vibration, belt-tension side loads, outdoor installation, or ambient temperatures above 45 degrees C.<\/pee> <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=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\">WPA\/WPS Series overview<\/a>.<\/pee><\/div>\n<\/section>\n<p><\/p>\n<section class=\"section\">\n<div class=\"wrap\"> <span class=\"section-label\">Technical Data<\/span> <\/p>\n<h2 class=\"section-title\">WPA 250 Specifications<\/h2>\n<p> <pee class=\"section-subtitle\">Input speed: 1,500 RPM. All dimensions in mm.<\/pee> <\/p>\n<div class=\"tab-nav\"> <button class=\"tab-btn active\" onclick=\"openTab(event,'tab-pt')\">Power & Torque<\/button> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-dim')\">Dimensions<\/button> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-radial')\">Radial Load<\/button> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-variants')\">Variants<\/button> <\/div>\n<p> <\/p>\n<div id=\"tab-pt\" class=\"tab-panel active\"> <\/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> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/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> <\/p>\n<tbody>\n<tr>\n<td>10:1<\/td>\n<td>33.20<\/td>\n<td>1881<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>15:1<\/td>\n<td>27.40<\/td>\n<td>2266<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>20:1<\/td>\n<td>21.60<\/td>\n<td>2310<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>25:1<\/td>\n<td>20.00<\/td>\n<td>2579<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>30:1<\/td>\n<td>18.43<\/td>\n<td>2745<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>40:1<\/td>\n<td>14.00<\/td>\n<td>2674<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>50:1<\/td>\n<td>10.43<\/td>\n<td>2357<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>60:1<\/td>\n<td>8.62<\/td>\n<td>2371<\/td>\n<\/tr>\n<p><\/tbody>\n<p> <\/table>\n<\/div>\n<p> <pee class=\"table-note\">Values for WP\/WPK\/WPWK configurations. <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\">Contact our engineers<\/a> for application-specific verification.<\/pee> <\/div>\n<p> <\/p>\n<div id=\"tab-dim\" class=\"tab-panel\"> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">WPA 250 Dimensions (mm)<\/h3>\n<p> <\/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> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/p>\n<thead>\n<tr>\n<th>Size<\/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> <\/p>\n<tbody>\n<tr style=\"background:rgba(0,163,255,.06)!important;font-weight:600!important;\">\n<td>WPA 250<\/td>\n<td>703<\/td>\n<td>420<\/td>\n<td>552<\/td>\n<td>385<\/td>\n<td>250<\/td>\n<td>800<\/td>\n<td>200<\/td>\n<td>480<\/td>\n<td>560<\/td>\n<td>380<\/td>\n<td>480<\/td>\n<td>45<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<p> <\/table>\n<\/div>\n<p> <\/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> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/p>\n<thead>\n<tr>\n<th>Size<\/th>\n<th>Input HS<\/th>\n<th>Input U<\/th>\n<th>Key TxV<\/th>\n<th>Output LS<\/th>\n<th>Output S<\/th>\n<th>Key WxY<\/th>\n<th>Weight (kg)<\/th>\n<\/tr>\n<\/thead>\n<p> <\/p>\n<tbody>\n<tr style=\"background:rgba(0,163,255,.06)!important;font-weight:600!important;\">\n<td>WPA 250<\/td>\n<td>110<\/td>\n<td>80<\/td>\n<td>18×7<\/td>\n<td>155<\/td>\n<td>90<\/td>\n<td>25×9<\/td>\n<td>360<\/td>\n<\/tr>\n<\/tbody>\n<p> <\/table>\n<\/div>\n<p> <\/div>\n<p> <\/p>\n<div id=\"tab-radial\" class=\"tab-panel\"> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Output Shaft Radial Load (N) \u2014 Size 250<\/h3>\n<p> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/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> <\/p>\n<tbody>\n<tr>\n<td>1500<\/td>\n<td>\u2014<\/td>\n<td>8700<\/td>\n<td>10200<\/td>\n<td>12400<\/td>\n<td>13000<\/td>\n<td>14700<\/td>\n<td>18300<\/td>\n<td>19800<\/td>\n<td>19800<\/td>\n<\/tr>\n<tr>\n<td>1000<\/td>\n<td>\u2014<\/td>\n<td>11000<\/td>\n<td>13200<\/td>\n<td>16800<\/td>\n<td>17000<\/td>\n<td>18000<\/td>\n<td>19800<\/td>\n<td>19800<\/td>\n<td>19800<\/td>\n<\/tr>\n<\/tbody>\n<p> <\/table>\n<\/div>\n<p> <\/div>\n<p> <\/p>\n<div id=\"tab-variants\" class=\"tab-panel\"> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Available Configurations \u2014 Size 250<\/h3>\n<p> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/p>\n<thead>\n<tr>\n<th>Variant<\/th>\n<th>Box<\/th>\n<th>Input<\/th>\n<th>Motor Flange<\/th>\n<th>Hollow Output<\/th>\n<\/tr>\n<\/thead>\n<p> <\/p>\n<tbody> <\/p>\n<tr>\n<td>WPA 250<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPS 250<\/td>\n<td>Whole<\/td>\n<td>Solid (upper)<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPO 250<\/td>\n<td>Whole<\/td>\n<td>Solid<\/td>\n<td>No<\/td>\n<td>No (output up)<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPX 250<\/td>\n<td>Whole<\/td>\n<td>Solid<\/td>\n<td>No<\/td>\n<td>No (output down)<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPDA 250<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPDS 250<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPKA 250<\/td>\n<td>Whole<\/td>\n<td>Solid<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPDKA 250<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<p> <\/tbody>\n<p> <\/table>\n<\/div>\n<p> <pee class=\"table-note\">Specify variant code when <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\">requesting a quote<\/a>. See <a href=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\">series page<\/a> for full variant explanations.<\/pee> <\/div>\n<p><\/div>\n<\/section>\n<p><\/p>\n<section class=\"section section--alt\">\n<div class=\"wrap\"> <span class=\"section-label\">WPA \/ WPS Series<\/span> <\/p>\n<h2 class=\"section-title\">Other Sizes in This Series<\/h2>\n<p> <\/p>\n<div class=\"model-grid\"> <a href=\"\/kk\/product\/wpa-040-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 040<\/h4>\n<pee>40mm | 4kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-050-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 050<\/h4>\n<pee>50mm | 7kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-060-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 060<\/h4>\n<pee>60mm | 10kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-070-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 070<\/h4>\n<pee>70mm | 15kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-080-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 080<\/h4>\n<pee>80mm | 20kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-100-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 100<\/h4>\n<pee>100mm | 35kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-120-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 120<\/h4>\n<pee>120mm | 60kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-135-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 135<\/h4>\n<pee>135mm | 80kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-147-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 147<\/h4>\n<pee>147mm | 98kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-155-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 155<\/h4>\n<pee>155mm | 110kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-175-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 175<\/h4>\n<pee>175mm | 150kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-200-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 200<\/h4>\n<pee>200mm | 215kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-250-cast-iron-worm-reducer\/\" class=\"model-card current\"><\/p>\n<h4>WPA 250<\/h4>\n<pee>250mm | 360kg<\/pee><\/a><\/div>\n<p><\/div>\n<\/section>\n<p><\/p>\n<section class=\"cta-bar\">\n<div class=\"wrap\"> <\/p>\n<h2>Need Help Selecting the Right WPA Size?<\/h2>\n<p> <pee>Send us your torque, ratio, and motor specs. Sizing report returned within 24 hours.<\/pee> <\/p>\n<div class=\"btn-row\"> <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\" class=\"btn-primary\">Request Sizing Support<\/a> <a href=\"\/kk\/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> <\/div>\n<p><\/div>\n<\/section>\n<p><\/div>\n<p><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><\/body><\/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-1466","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\/kk\/wp-json\/wp\/v2\/product\/1466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/comments?post=1466"}],"wp:attachment":[{"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/media?parent=1466"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/product_cat?post=1466"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/product_tag?post=1466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":1466,"date":"2026-04-14T03:39:02","date_gmt":"2026-04-14T03:39:02","guid":{"rendered":"https:\/\/worm-reducer.top\/?post_type=product&p=1466"},"modified":"2026-04-14T03:40:46","modified_gmt":"2026-04-14T03:40:46","slug":"wpa-250-cast-iron-worm-reducer","status":"publish","type":"product","link":"https:\/\/worm-reducer.top\/kk\/product\/wpa-250-cast-iron-worm-reducer\/","title":{"rendered":"WPA 250 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 250 Cast Iron Worm Reducer | 250mm Heavy-Duty Gearbox \u2014 Ever-power<\/title><meta name=\"description\" content=\"WPA 250 cast iron worm reducer. 250mm centre distance, ratios 10:1-60:1, output torque up to 2745 Nm. FG260 housing for mining, water treatment and heavy industry.\"><link rel=\"preconnect\" href=\"https:\/\/fonts.googleapis.com\"><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\"><\/p>\n<style>: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 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class=\"ep-page\"><\/p>\n<section class=\"prod-banner\">\n<div class=\"wrap\"> <\/p>\n<h1>WPA 250 <em>Cast Iron Worm Reducer<\/em><\/h1>\n<p> <pee>250 mm centre distance | Ratios 10:1-60:1 | FG260 cast iron | 8.62-33.20 kW input | 360 kg<\/pee><\/div>\n<\/section>\n<p><\/p>\n<div class=\"breadcrumb\">\n<div class=\"wrap\"> <a href=\"https:\/\/worm-reducer.top\/kk\/\">Home<\/a><span class=\"sep\">›<\/span> <a href=\"\/kk\/products\/\">Products<\/a><span class=\"sep\">›<\/span> <a href=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\">WPA \/ WPS Series<\/a><span class=\"sep\">›<\/span> <span class=\"current\">WPA 250<\/span><\/div>\n<\/div>\n<p><\/p>\n<section class=\"section\">\n<div class=\"wrap\">\n<div class=\"prod-hero\"> <\/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 250 cast iron worm reducer 250mm\" width=\"480\" height=\"400\"><\/div>\n<p> <\/p>\n<div class=\"prod-meta\"> <span class=\"section-label\">WPA \/ WPS Series<\/span> <\/p>\n<h2>WPA 250 Cast Iron Worm Reducer<\/h2>\n<p> <pee>The largest single-stage cast-iron worm reducer in the WPA range. Deployed on mining primary crusher feed conveyors, large-scale dam infrastructure penstock and sluice gate actuators, heavy industrial…<\/pee> <\/p>\n<div class=\"quick-specs\"> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">250 mm<\/div>\n<div class=\"qs-label\">Centre Distance<\/div>\n<\/div>\n<p> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">10:1-60:1<\/div>\n<div class=\"qs-label\">Ratio Range<\/div>\n<\/div>\n<p> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">2745 Nm<\/div>\n<div class=\"qs-label\">Max Output Torque<\/div>\n<\/div>\n<p> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">8.62-33.20 kW<\/div>\n<div class=\"qs-label\">Input Power<\/div>\n<\/div>\n<p> <\/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> <\/p>\n<div class=\"qs-item\">\n<div class=\"qs-val\">360 kg<\/div>\n<div class=\"qs-label\">Unit Weight<\/div>\n<\/div>\n<p> <\/div>\n<p> <\/p>\n<div class=\"prod-tags\"> <span class=\"prod-tag\">FG260 Cast Iron<\/span><span class=\"prod-tag\">Solid Shaft I\/O<\/span> <span class=\"prod-tag\">5 Shaft Directions<\/span><span class=\"prod-tag\">Motor Flange (D variant)<\/span> <span class=\"prod-tag\">Hollow Shaft (K variant)<\/span><span class=\"prod-tag\">18-Month Warranty<\/span> <\/div>\n<p> <\/p>\n<div class=\"btn-row\"> <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\" class=\"btn-primary\">Request Quote for WPA 250<\/a> <a href=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\" class=\"btn-outline\">View Full WPA\/WPS Series<\/a> <\/div>\n<p> <\/div>\n<p><\/div>\n<\/div>\n<\/section>\n<p><\/p>\n<section class=\"section section--alt\">\n<div class=\"wrap\"> <span class=\"section-label\">Application & Selection<\/span> <\/p>\n<h2 class=\"section-title\">Where the WPA 250 Is Installed in Australia<\/h2>\n<p> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;margin-bottom:20px!important;\">The largest single-stage cast-iron worm reducer in the WPA range. Deployed on mining primary crusher feed conveyors, large-scale dam infrastructure penstock and sluice gate actuators, heavy industrial kiln main drives, and infrastructure-grade process equipment in mineral processing plants. At 360 kg and nearly 2,750 Nm output torque, the WPA 250 serves applications that would otherwise require a helical-bevel or planetary gearbox.<\/pee> <\/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> <pee style=\"font-size:15px!important;color:var(--grey-700)!important;\">The WPA 250 covers the Maximum capacity in the single-stage range. For ratios above 60:1 or torques beyond 2,750 Nm, consider our <a href=\"\/kk\/products\/wpe-double-stage-worm-reducer\/\">WPE double-stage series<\/a> or <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\">contact us<\/a> for a custom solution.. Choose cast iron over aluminium when the application involves sustained vibration, belt-tension side loads, outdoor installation, or ambient temperatures above 45 degrees C.<\/pee> <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=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\">WPA\/WPS Series overview<\/a>.<\/pee><\/div>\n<\/section>\n<p><\/p>\n<section class=\"section\">\n<div class=\"wrap\"> <span class=\"section-label\">Technical Data<\/span> <\/p>\n<h2 class=\"section-title\">WPA 250 Specifications<\/h2>\n<p> <pee class=\"section-subtitle\">Input speed: 1,500 RPM. All dimensions in mm.<\/pee> <\/p>\n<div class=\"tab-nav\"> <button class=\"tab-btn active\" onclick=\"openTab(event,'tab-pt')\">Power & Torque<\/button> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-dim')\">Dimensions<\/button> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-radial')\">Radial Load<\/button> <button class=\"tab-btn\" onclick=\"openTab(event,'tab-variants')\">Variants<\/button> <\/div>\n<p> <\/p>\n<div id=\"tab-pt\" class=\"tab-panel active\"> <\/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> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/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> <\/p>\n<tbody>\n<tr>\n<td>10:1<\/td>\n<td>33.20<\/td>\n<td>1881<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>15:1<\/td>\n<td>27.40<\/td>\n<td>2266<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>20:1<\/td>\n<td>21.60<\/td>\n<td>2310<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>25:1<\/td>\n<td>20.00<\/td>\n<td>2579<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>30:1<\/td>\n<td>18.43<\/td>\n<td>2745<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>40:1<\/td>\n<td>14.00<\/td>\n<td>2674<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>50:1<\/td>\n<td>10.43<\/td>\n<td>2357<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>60:1<\/td>\n<td>8.62<\/td>\n<td>2371<\/td>\n<\/tr>\n<p><\/tbody>\n<p> <\/table>\n<\/div>\n<p> <pee class=\"table-note\">Values for WP\/WPK\/WPWK configurations. <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\">Contact our engineers<\/a> for application-specific verification.<\/pee> <\/div>\n<p> <\/p>\n<div id=\"tab-dim\" class=\"tab-panel\"> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">WPA 250 Dimensions (mm)<\/h3>\n<p> <\/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> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/p>\n<thead>\n<tr>\n<th>Size<\/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> <\/p>\n<tbody>\n<tr style=\"background:rgba(0,163,255,.06)!important;font-weight:600!important;\">\n<td>WPA 250<\/td>\n<td>703<\/td>\n<td>420<\/td>\n<td>552<\/td>\n<td>385<\/td>\n<td>250<\/td>\n<td>800<\/td>\n<td>200<\/td>\n<td>480<\/td>\n<td>560<\/td>\n<td>380<\/td>\n<td>480<\/td>\n<td>45<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<p> <\/table>\n<\/div>\n<p> <\/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> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/p>\n<thead>\n<tr>\n<th>Size<\/th>\n<th>Input HS<\/th>\n<th>Input U<\/th>\n<th>Key TxV<\/th>\n<th>Output LS<\/th>\n<th>Output S<\/th>\n<th>Key WxY<\/th>\n<th>Weight (kg)<\/th>\n<\/tr>\n<\/thead>\n<p> <\/p>\n<tbody>\n<tr style=\"background:rgba(0,163,255,.06)!important;font-weight:600!important;\">\n<td>WPA 250<\/td>\n<td>110<\/td>\n<td>80<\/td>\n<td>18×7<\/td>\n<td>155<\/td>\n<td>90<\/td>\n<td>25×9<\/td>\n<td>360<\/td>\n<\/tr>\n<\/tbody>\n<p> <\/table>\n<\/div>\n<p> <\/div>\n<p> <\/p>\n<div id=\"tab-radial\" class=\"tab-panel\"> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Output Shaft Radial Load (N) \u2014 Size 250<\/h3>\n<p> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/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> <\/p>\n<tbody>\n<tr>\n<td>1500<\/td>\n<td>\u2014<\/td>\n<td>8700<\/td>\n<td>10200<\/td>\n<td>12400<\/td>\n<td>13000<\/td>\n<td>14700<\/td>\n<td>18300<\/td>\n<td>19800<\/td>\n<td>19800<\/td>\n<\/tr>\n<tr>\n<td>1000<\/td>\n<td>\u2014<\/td>\n<td>11000<\/td>\n<td>13200<\/td>\n<td>16800<\/td>\n<td>17000<\/td>\n<td>18000<\/td>\n<td>19800<\/td>\n<td>19800<\/td>\n<td>19800<\/td>\n<\/tr>\n<\/tbody>\n<p> <\/table>\n<\/div>\n<p> <\/div>\n<p> <\/p>\n<div id=\"tab-variants\" class=\"tab-panel\"> <\/p>\n<h3 style=\"font-size:18px!important;color:var(--primary)!important;margin-bottom:16px!important;font-weight:600!important;\">Available Configurations \u2014 Size 250<\/h3>\n<p> <\/p>\n<div class=\"data-table-wrap\">\n<table class=\"data-table\"> <\/p>\n<thead>\n<tr>\n<th>Variant<\/th>\n<th>Box<\/th>\n<th>Input<\/th>\n<th>Motor Flange<\/th>\n<th>Hollow Output<\/th>\n<\/tr>\n<\/thead>\n<p> <\/p>\n<tbody> <\/p>\n<tr>\n<td>WPA 250<\/td>\n<td>Whole<\/td>\n<td>Solid shaft<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPS 250<\/td>\n<td>Whole<\/td>\n<td>Solid (upper)<\/td>\n<td>No<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPO 250<\/td>\n<td>Whole<\/td>\n<td>Solid<\/td>\n<td>No<\/td>\n<td>No (output up)<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPX 250<\/td>\n<td>Whole<\/td>\n<td>Solid<\/td>\n<td>No<\/td>\n<td>No (output down)<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPDA 250<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPDS 250<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Yes<\/td>\n<td>No<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPKA 250<\/td>\n<td>Whole<\/td>\n<td>Solid<\/td>\n<td>No<\/td>\n<td>Yes<\/td>\n<\/tr>\n<p> <\/p>\n<tr>\n<td>WPDKA 250<\/td>\n<td>Split<\/td>\n<td>Motor flange<\/td>\n<td>Yes<\/td>\n<td>Yes<\/td>\n<\/tr>\n<p> <\/tbody>\n<p> <\/table>\n<\/div>\n<p> <pee class=\"table-note\">Specify variant code when <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\">requesting a quote<\/a>. See <a href=\"\/kk\/products\/wpa-wps-cast-iron-worm-reducer\/\">series page<\/a> for full variant explanations.<\/pee> <\/div>\n<p><\/div>\n<\/section>\n<p><\/p>\n<section class=\"section section--alt\">\n<div class=\"wrap\"> <span class=\"section-label\">WPA \/ WPS Series<\/span> <\/p>\n<h2 class=\"section-title\">Other Sizes in This Series<\/h2>\n<p> <\/p>\n<div class=\"model-grid\"> <a href=\"\/kk\/product\/wpa-040-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 040<\/h4>\n<pee>40mm | 4kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-050-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 050<\/h4>\n<pee>50mm | 7kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-060-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 060<\/h4>\n<pee>60mm | 10kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-070-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 070<\/h4>\n<pee>70mm | 15kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-080-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 080<\/h4>\n<pee>80mm | 20kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-100-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 100<\/h4>\n<pee>100mm | 35kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-120-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 120<\/h4>\n<pee>120mm | 60kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-135-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 135<\/h4>\n<pee>135mm | 80kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-147-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 147<\/h4>\n<pee>147mm | 98kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-155-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 155<\/h4>\n<pee>155mm | 110kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-175-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 175<\/h4>\n<pee>175mm | 150kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-200-cast-iron-worm-reducer\/\" class=\"model-card\"><\/p>\n<h4>WPA 200<\/h4>\n<pee>200mm | 215kg<\/pee><\/a> <a href=\"\/kk\/product\/wpa-250-cast-iron-worm-reducer\/\" class=\"model-card current\"><\/p>\n<h4>WPA 250<\/h4>\n<pee>250mm | 360kg<\/pee><\/a><\/div>\n<p><\/div>\n<\/section>\n<p><\/p>\n<section class=\"cta-bar\">\n<div class=\"wrap\"> <\/p>\n<h2>Need Help Selecting the Right WPA Size?<\/h2>\n<p> <pee>Send us your torque, ratio, and motor specs. Sizing report returned within 24 hours.<\/pee> <\/p>\n<div class=\"btn-row\"> <a href=\"https:\/\/worm-reducer.top\/kk\/contact-us\/\" class=\"btn-primary\">Request Sizing Support<\/a> <a href=\"\/kk\/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> <\/div>\n<p><\/div>\n<\/section>\n<p><\/div>\n<p><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><\/body><\/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-1466","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\/kk\/wp-json\/wp\/v2\/product\/1466","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/comments?post=1466"}],"wp:attachment":[{"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/media?parent=1466"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/product_cat?post=1466"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/worm-reducer.top\/kk\/wp-json\/wp\/v2\/product_tag?post=1466"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}