
Where the WPA 147 Is Installed in Australia
Heavy-duty gate valve and penstock actuators for water infrastructure, large sludge scraper bridge drives in municipal wastewater treatment, mining belt conveyor main drives, and industrial ventilation fan systems in tunnelling and underground mining. The 147 mm size provides the torque margin required for shock-loaded applications where the 135 mm model operates near its capacity limit.
When to Choose This Model
The WPA 147 covers the below 14.50 kW. Step to WPA 155 for sustained heavy loads. Choose cast iron over aluminium when the application involves sustained vibration, belt-tension side loads, outdoor installation, or ambient temperatures above 45 degrees C.
For materials, configuration variants, efficiency data, lubrication, and selection methodology, refer to the WPA/WPS Series overview.
WPA 147 Specifications
Input speed: 1,500 RPM. All dimensions in mm.
Input Power & Output Torque (1,500 RPM)
| Ratio | Input Power (kW) | Output Torque (Nm) |
|---|---|---|
| 5:1 | 14.50 | 655 |
| 10:1 | 12.80 | 709 |
| 15:1 | 9.90 | 785 |
| 20:1 | 7.00 | 722 |
| 25:1 | 6.53 | 842 |
| 30:1 | 6.00 | 848 |
| 40:1 | 4.40 | 784 |
| 50:1 | 3.61 | 770 |
| 60:1 | 3.00 | 791 |
Values for WP/WPK/WPWK configurations. Contact our engineers for application-specific verification.
WPA 147 Dimensions (mm)

| Size | A | AB | B | BB | CC | H | HL | M | N | E | F | G | Z |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WPA 147 | 432 | 256 | 320 | 210 | 147 | 460 | 123 | 250 | 350 | 200 | 280 | 32 | 18 |
Shaft Dimensions
| Size | Input HS | Input U | Key TxV | Output LS | Output S | Key WxY | Weight (kg) |
|---|---|---|---|---|---|---|---|
| WPA 147 | 75 | 35 | 10x4.5 | 95 | 55 | 16x6 | 98 |
Output Shaft Radial Load (N) — Size 147
| Input RPM | 5:1 | 10:1 | 15:1 | 20:1 | 25:1 | 30:1 | 40:1 | 50:1 | 60:1 |
|---|---|---|---|---|---|---|---|---|---|
| 1500 | 2700 | 3000 | 3500 | 4200 | 4300 | 4500 | 5500 | 6400 | 7200 |
| 1000 | 2900 | 3300 | 3800 | 4500 | 4700 | 5000 | 6000 | 6900 | 7500 |
Available Configurations — Size 147
| Variant | Box | Input | Motor Flange | Hollow Output |
|---|---|---|---|---|
| WPA 147 | Whole | Solid shaft | No | No |
| WPS 147 | Whole | Solid (upper) | No | No |
| WPO 147 | Whole | Solid | No | No (output up) |
| WPX 147 | Whole | Solid | No | No (output down) |
| WPDA 147 | Split | Motor flange | Yes | No |
| WPDS 147 | Split | Motor flange | Yes | No |
| WPKA 147 | Whole | Solid | No | Yes |
| WPDKA 147 | Split | Motor flange | Yes | Yes |
Specify variant code when requesting a quote. See series page for full variant explanations.