Designed for demanding industrial applications requiring high-torque pneumatic rotary power, the Ingersoll Rand 48RB078 Reversible Multi-Vane Air Motor delivers 3 HP with a 108 RPM operating speed, 364 ft-lbs starting torque, and 513 ft-lbs stall torque. The reversible multi-vane design provides clockwise and counterclockwise rotation, making this air motor suitable for applications requiring controlled low-speed operation, exceptional torque output, and dependable compressed-air-powered performance.
The 48RB078 air motor is engineered for industrial machinery and OEM equipment where high torque and precise rotary control are required. Its low-speed, high-torque characteristics make it suitable for heavy-duty rotary applications including pumps, mixers, winches, conveyors, and other industrial drive systems. Pneumatic operation allows speed adjustment through air regulation while maintaining reliable torque performance in environments where compressed air power is preferred.
Type: Reversible Multi-Vane Air Motor | Series: 48RB Series | Model: 48RB078 | Power: 3 HP | Speed: 108 RPM | Starting Torque: 364 ft-lbs | Stall Torque: 513 ft-lbs | Rotation: Reversible
Features:
- Reversible multi-vane design provides clockwise and counterclockwise rotation for equipment requiring directional flexibility.
- 3 HP output provides pneumatic power for industrial machinery and rotary drive applications.
- Low-speed, high-torque performance supports applications requiring maximum turning force and controlled rotation.
- Starting torque capability provides high initial force for beginning rotation under heavy load conditions.
- Stall torque capability provides available torque when the motor is temporarily prevented from rotating while operating.
- Variable speed control can be achieved by regulating compressed air supply to match application requirements.
- Pneumatic operation provides a reliable rotary power solution for industrial environments requiring air-driven equipment.
Made in USA: 
Applications:
- Pumps and fluid handling equipment — providing pneumatic rotary drive power for systems requiring extremely high torque output.
- Mixers and agitators — operating industrial mixing equipment requiring slow, controlled rotation and high torque.
- Material handling equipment — powering winches, hoists, conveyors, and positioning systems requiring pneumatic drive.
- OEM machinery — integrating high-torque pneumatic motors into custom industrial equipment designs.
FAQs:
- Q: What does reversible operation mean on the 48RB078 air motor?
A: Reversible operation allows the motor shaft to rotate in both directions, making it suitable for equipment requiring forward and reverse rotation. - Q: What is the advantage of the 48RB078 compared with higher-speed air motors?
A: The 48RB078 operates at a lower speed while providing significantly higher torque output, making it suitable for applications requiring substantial turning force. - Q: What is the difference between starting torque and stall torque?
A: Starting torque is the torque available when the motor begins rotating from rest, while stall torque is the torque available when the motor is stopped while operating under air pressure. - Q: Can the speed of the 48RB078 be adjusted?
A: Yes, air motor speed can typically be controlled by regulating compressed air flow to match application requirements.
| SKU | MAX. POWER | SPEED AT MAX. POWER RPM |
FREE SPEED ▲ RPM |
STARTING TORQUE | STALL TORQUE | AIR CONSUMPTION AT MAX. POWER | WEIGHT | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| HP | KW | LB-FT | NM | LB-FT | NM | SCFM | M³/M | LB | KG | |||
| REVERSIBLE | ||||||||||||
| 48RA005 | 3.1 | 2.31 | 930 | 1,690 | 26 | 35.3 | 35 | 47.5 | 95 | 2.69 | 44 | 20 |
| 48RA008 | 3.1 | 2.31 | 638 | 1,160 | 38 | 51.5 | 51.5 | 69.8 | 95 | 2.69 | 44 | 20 |
| 48RA011 | 3.1 | 2.31 | 423 | 772 | 57 | 77.3 | 77.3 | 105 | 95 | 2.69 | 44 | 20 |
| 48RA014 | 3.1 | 2.31 | 332 | 612 | 72 | 97.6 | 97.6 | 133 | 95 | 2.69 | 44 | 20 |
| 48RA017 | 3.1 | 2.31 | 278 | 511 | 86 | 117 | 117 | 159 | 95 | 2.69 | 44 | 20 |
| 48RA022 | 3.1 | 2.31 | 213 | 390 | 113 | 153 | 154 | 209 | 95 | 2.69 | 44 | 20 |
| 48RB029 | 3 | 2.24 | 162 | 292 | 135 | 183 | 189 | 256 | 90 | 2.55 | 75 | 34 |
| 48RB036 | 3 | 2.24 | 131 | 236 | 167 | 227 | 234 | 317 | 90 | 2.55 | 75 | 34 |
| 48RB045 | 3 | 2.24 | 105 | 188 | 209 | 283 | 295 | 400 | 90 | 2.55 | 75 | 34 |
| 48RB078 | 3 | 2.24 | 60 | 108 | 364 | 494 | 513 | 696 | 90 | 2.55 | 75 | 34 |
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For help selecting the correct Ingersoll Rand Air Motors for your assembly application, call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
