
Where the EPNMRV 075 Is Used
This model is widely deployed on agricultural feed auger drives, grain elevator boot-end reducers, concrete batching plant conveyor drives, medium-duty roller conveyor systems in warehouses, and ventilation damper actuators for large commercial HVAC systems. In Australia, the EPNMRV 075 is a common specification in Queensland sugar cane processing ancillary equipment and South Australian wine production facilities.
When to Choose This Model
Choose the EPNMRV 075 for continuous-duty applications in the 0.75-2.2 kW power range. When the application demands sustained output torques above 400 Nm or input powers of 3 kW+, the EPNMRV 090 is the appropriate step up.
For detailed information on housing materials, worm gear efficiency characteristics, and installation orientation guidelines, refer to the EPNMRV Series overview.
EPNMRV 075 Specifications
All data for the EPNMRV 075 standalone gearbox. Input speed: 1,400 RPM.
Selection Table (Input: 1,400 RPM)
| Input Power (kW) | Ratio | Output Speed (RPM) | Torque (Nm) | Radial Load (N) | Service Factor fs |
|---|---|---|---|---|---|
| 0.25 | 30 | 47 | 17 | 2087 | 2.7 |
| 40 | 35 | 21 | 2298 | 1.9 | |
| 50 | 28 | 25 | 2475 | 1.6 | |
| 60 | 23 | 28 | 2630 | 1.3 | |
| 0.37 | 20 | 70 | 19 | 1824 | 2.1 |
| 25 | 56 | 23 | 1964 | 1.7 | |
| 30 | 47 | 25 | 2087 | 1.8 | |
| 40 | 35 | 32 | 2298 | 1.3 | |
| 50 | 28 | 37 | 2475 | 1.0 | |
| 0.55 | 15 | 93 | 31 | 2274 | 2.4 |
| 20 | 70 | 39 | 2503 | 1.6 | |
| 25 | 56 | 46 | 2696 | 1.3 | |
| 30 | 47 | 54 | 2865 | 1.1 | |
| 40 | 35 | 68 | 3153 | 1.1 | |
| 0.75 | 15 | 93 | 39 | 2696 | 2.1 |
| 20 | 70 | 54 | 2865 | 1.3 | |
| 25 | 56 | 70 | 3397 | 1.6 | |
| 30 | 47 | 80 | 3610 | 1.1 | |
| 1.1 | 10 | 140 | 46 | 2274 | 1.6 |
| 15 | 93 | 70 | 3153 | 1.1 | |
| 20 | 70 | 80 | 3397 | 1.0 | |
| 1.5 | 10 | 140 | 60 | 3272 | 2.2 |
| 15 | 93 | 89 | 3610 | 1.4 | |
| 20 | 70 | 94 | 4719 | 1.4 | |
| 2.2 | 7.5 | 187 | 68 | 2359 | 2.6 |
| 10 | 140 | 88 | 2597 | 2.0 | |
| 15 | 93 | 120 | 3272 | 1.1 |
fs = Service Factor. Required minimums: A (uniform) fs >= 1.0 | B (moderate shock) fs >= 1.25 | C (heavy shock) fs >= 1.75. Contact our engineers for application-specific verification.
Gear Engagement Parameters
| Ratio (i) | Worm Starts (Z1) | Lead Angle | Module (m) | Dynamic Eff. | Static Eff. | Self-Locking |
|---|---|---|---|---|---|---|
| 5 | 4 | 28 deg 04 min | 2.5 | 0.90 | 0.89 | No |
| 7.5 | 4 | 26 deg 34 min | 2.5 | 0.89 | 0.86 | No |
| 10 | 4 | 18 deg 26 min | 2.5 | 0.86 | 0.84 | No |
| 15 | 2 | 14 deg 02 min | 2 | 0.84 | 0.82 | No |
| 20 | 2 | 11 deg 19 min | 2 | 0.82 | 0.78 | No |
| 25 | 1 | 9 deg 28 min | 2 | 0.75 | 0.70 | No |
| 30 | 1 | 7 deg 08 min | 2 | 0.69 | 0.65 | No |
| 40 | 1 | 5 deg 43 min | 1.6 | 0.63 | 0.59 | Marginal |
| 50 | 1 | 4 deg 46 min | 1.25 | 0.59 | 0.53 | Marginal |
| 60 | 1 | 3 deg 53 min | 1 | 0.52 | 0.51 | Yes (marginal) |
| 80 | 1 | 2 deg 52 min | — | — | — | Yes |
| 100 | 1 | — | — | — | — | Yes |
Self-locking should not be relied upon as the sole backstop — external brakes recommended for safety-critical loads.
Overall Dimensions (mm)

| Model | A | B | C | D(H8) | F | G | H | H1 | I | M |
|---|---|---|---|---|---|---|---|---|---|---|
| EPNMRV 075 | 172 | 205 | 50 | 120 | 28(35) | 95 | 112 | 120 | 115 | 57 |
All dimensions in mm. Default mounting: B3 (horizontal). Specify orientation at time of order.
Output Shaft Dimensions (mm)

| Model | G1 | K1 | L | L1 | b2 | t2 | d(h6) | m | V1 | V2 |
|---|---|---|---|---|---|---|---|---|---|---|
| EPNMRV 075 | 120 | 123.5 | 192 | 247 | 8 | 31 | 28 | M10 | 50 | 63.5 |
d(h6) = output shaft diameter with h6 tolerance. Contact us for double-side output (SZ) or hollow shaft configurations.
Other Models in This Series
The EPNMRV range covers centre distances from 25 mm to 150 mm.