
Ingersoll Rand M004RHR050AR3 Multi-Vane Non-Reversible Air Motor is engineered to provide dependable low-speed pneumatic rotary power for industrial applications requiring substantial torque in a single rotational direction. Rated at 0.41 HP with a free speed of 315 RPM, this multi-vane air motor is ideal for OEM machinery, material handling equipment, production systems, and replacement applications where higher torque output is prioritized over rotational speed. Its non-reversible configuration is designed specifically for equipment that operates continuously in one direction.
The M004RHR050AR3 develops 16.5 lb-ft of starting torque, providing strong initial turning force for moving heavier loads from a standstill. It also delivers 22.1 lb-ft of stall torque, representing the maximum torque produced when the output shaft is prevented from rotating. These published performance specifications assist engineers and maintenance professionals in selecting a pneumatic motor that closely matches the speed and load requirements of the intended equipment.
Type: Multi-Vane Air Motor | Model: M004RHR050AR3 | Rotation: Non-Reversible | Power: 0.41 HP | Speed: 315 RPM | Starting Torque: 16.5 lb-ft | Stall Torque: 22.1 lb-ft
Features:
- Multi-vane air motor converts compressed air into continuous rotary power for industrial machinery.
- Non-reversible configuration is intended for applications requiring one-direction operation.
- 0.41 HP output provides reliable pneumatic performance for compatible equipment.
- 315 RPM operating speed is suitable for applications demanding increased torque at lower rotational speeds.
- 16.5 lb-ft starting torque provides substantial initial turning force for loaded equipment.
- 22.1 lb-ft stall torque serves as a published reference when evaluating maximum load conditions during motor selection.
Made in USA: 
Applications:
- OEM machinery requiring high-torque pneumatic rotary power.
- Material handling and conveyor equipment operating at lower rotational speeds.
- Industrial automation and manufacturing systems.
- Processing equipment powered by compressed air.
- Maintenance replacement installations where the published specifications match the existing motor.
FAQs:
- Q: Is the M004RHR050AR3 reversible?
A: No. This model is manufactured as a non-reversible air motor for applications requiring continuous rotation in one direction. - Q: What is the rated operating speed?
A: The manufacturer specifies a free speed of 315 RPM. - Q: What does the 16.5 lb-ft starting torque indicate?
A: Starting torque is the amount of torque available when the motor begins rotating the connected load. This model is rated at 16.5 lb-ft. - Q: What is stall torque?
A: Stall torque is the maximum torque developed when the output shaft is prevented from rotating. The M004RHR050AR3 has a published stall torque of 22.1 lb-ft. - Q: What should be verified before replacing an existing air motor?
A: Confirm horsepower, operating speed, torque ratings, rotation direction, shaft dimensions, mounting configuration, and compressed-air requirements using the manufacturer catalog before installation.

| SKU | Max. Power | Speed at Max. Power | Free Speed | Starting Torque | Stall Torque | Air Consumption at Max. Power | Weight | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| hp | kw | rpm | rpm | lb-ft | Nm | lb-ft | Nm | scfm | m³/m | lb | kg | |
| Non-Reversible — Direction of rotation is counterclockwise when facing the shaft | ||||||||||||
| M004RHR000AR3 | 0.50 | 0.37 | 10,000 | 18,000 | 0.40 | 0.54 | 0.53 | 0.72 | 20.0 | 0.57 | 2 1/16 | 0.95 |
| M004RHR004AR3 | 0.47 | 0.35 | 2,470 | 4,450 | 1.46 | 1.98 | 1.94 | 2.63 | 19.5 | 0.55 | 2 3/16 | 1.00 |
| M004RHR006AR3 | 0.47 | 0.35 | 1,490 | 2,680 | 2.42 | 3.28 | 3.22 | 4.37 | 19.5 | 0.55 | 2 3/16 | 1.00 |
| M004RHR011AR3 | 0.44 | 0.33 | 825 | 1,490 | 3.92 | 5.32 | 5.22 | 7.08 | 19.0 | 0.54 | 2 3/8 | 1.09 |
| M004RHR015AR3 | 0.44 | 0.33 | 610 | 1,095 | 5.32 | 7.21 | 7.10 | 9.63 | 19.0 | 0.54 | 2 3/8 | 1.09 |
| M004RHR023AR3 | 0.44 | 0.33 | 395 | 715 | 8.10 | 11.0 | 10.8 | 14.6 | 19.0 | 0.54 | 2 3/8 | 1.09 |
| M004RHR033AR3 | 0.44 | 0.33 | 280 | 505 | 11.5 | 15.6 | 15.4 | 20.8 | 19.0 | 0.54 | 2 3/8 | 1.09 |
| M004RHR050AR3 | 0.41 | 0.31 | 175 | 315 | *16.5 | *22.4 | *22.1 | *30.0 | 18.5 | 0.52 | 2 11/16 | 1.22 |
| M004RHR083AR3 | 0.41 | 0.31 | 106 | 190 | *27.5 | *37.3 | *36.7 | *49.7 | 18.5 | 0.52 | 2 11/16 | 1.22 |
| M004RHR167AR3 | 0.41 | 0.31 | 53 | 95 | *55.0 | *74.5 | *73.3 | *99.4 | 18.5 | 0.52 | 2 11/16 | 1.22 |
| Reversible | ||||||||||||
| M004RVR000AR3 | 0.40 | 0.30 | 8,000 | 16,000 | 0.32 | 0.43 | 0.42 | 0.57 | 19.0 | 0.54 | 2 1/16 | 0.95 |
| M004RVR004AR3 | 0.37 | 0.28 | 1,975 | 3,955 | 1.13 | 1.53 | 1.51 | 2.05 | 18.5 | 0.52 | 2 3/16 | 1.00 |
| M004RVR006AR3 | 0.37 | 0.28 | 1,190 | 2,380 | 1.88 | 2.55 | 2.51 | 3.40 | 18.5 | 0.52 | 2 3/16 | 1.00 |
| M004RVR011AR3 | 0.34 | 0.25 | 660 | 1,325 | 3.00 | 4.07 | 4.00 | 5.42 | 18.0 | 0.51 | 2 3/8 | 1.09 |
| M004RVR015AR3 | 0.34 | 0.25 | 485 | 975 | 4.07 | 5.52 | 5.43 | 7.36 | 18.0 | 0.51 | 2 3/8 | 1.09 |
| M004RVR023AR3 | 0.34 | 0.25 | 315 | 635 | 6.23 | 8.45 | 8.30 | 11.2 | 18.0 | 0.51 | 2 3/8 | 1.09 |
| M004RVR033AR3 | 0.34 | 0.25 | 225 | 450 | 8.85 | 12.0 | 11.8 | 16.0 | 18.0 | 0.51 | 2 3/8 | 1.09 |
| M004RVR050AR3 | 0.31 | 0.23 | 140 | 280 | *12.3 | *16.7 | *16.5 | *22.4 | 17.5 | 0.50 | 2 11/16 | 1.22 |
| M004RVR083AR3 | 0.31 | 0.23 | 84 | 169 | *20.6 | *27.9 | *27.5 | *37.3 | 17.5 | 0.50 | 2 11/16 | 1.22 |
| M004RVR167AR3 | 0.31 | 0.23 | 42 | 85 | *41.3 | *56.0 | *55.0 | *74.5 | 17.5 | 0.50 | 2 11/16 | 1.22 |
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