Built for high-torque milling, routing, and demanding material removal applications, the Ingersoll Rand 7802-4B Non-Reversible Milling Motor delivers 0.85 HP with a free speed of 2,500 RPM for controlled cutting performance under heavier loads. Featuring forward rotation and a single gear reduction, this pneumatic milling motor develops an impressive 7.50 ft-lbs of stall torque, making it well suited for machining operations where increased torque is more critical than maximum rotational speed. The air-powered design provides reliable continuous-duty operation while allowing precise speed control through regulated compressed air.
Part of Ingersoll Rand's milling motor series, the 7802-4B is intended for fixture-mounted machinery, automated manufacturing systems, and dedicated production equipment. Its low-speed, high-torque performance supports consistent material removal, heavier milling operations, and precision machining in industrial environments where pneumatic power offers dependable operation and simplified maintenance.
Type: Non-Reversible Milling Motor | Rotation: Forward | Power: 0.85 HP | Free Speed: 2,500 RPM | Stall Torque: 7.50 ft-lbs | Gear Reduction: Single | Application: Milling & Material Removal
Features:
- Forward-rotation pneumatic milling motor for dedicated industrial machining applications.
- 0.85 HP air motor provides dependable power for continuous production environments.
- 2,500 RPM free speed delivers controlled cutting performance for demanding milling operations.
- Single gear reduction increases torque output while maintaining smooth power delivery.
- 7.50 ft-lbs stall torque supports heavier cutting loads and aggressive material removal.
- Pneumatic motor design allows variable speed control through compressed air regulation and can safely stall without motor damage when operated within manufacturer recommendations.
45058 - Foot Bracket
41559 - Flange Bracket

Made in USA: 
Applications:
- Heavy-duty milling operations in manufacturing and production facilities.
- Fixture-mounted machining systems requiring high torque at controlled operating speeds.
- Metal fabrication, contour milling, and precision material removal.
- Automated production equipment powered by compressed air.
- Industrial machining applications where low-speed, high-torque performance is essential.
FAQs:
- Q: What does non-reversible mean?
A: The 7802-4B is designed to operate in forward rotation only and is not intended for reverse operation. - Q: Why does this model have a lower operating speed?
A: The 2,500 RPM free speed is paired with a single gear reduction to provide significantly higher torque, making it suitable for heavier milling and machining applications. - Q: What advantage does 7.50 ft-lbs of stall torque provide?
A: Higher stall torque allows the motor to maintain cutting performance under heavier loads, making it well suited for demanding material removal and industrial machining operations. - Q: Why choose a pneumatic milling motor?
A: Air-powered motors offer variable speed control, continuous-duty capability, and reliable operation in industrial environments while safely tolerating stall conditions within manufacturer operating guidelines.

| SKU | Spindle | R.P.M. | Torque | Air Consumption at Free Speed |
Sound Level at Free Speed dB(A) |
Weight | Gear Reduction |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Free Speed | Load Speed at Max. Hp |
Stall | Output at Max. Hp | ||||||||||
| lb-ft | Nm | lb-ft | Nm | SCFM | L/s | lbs | kg | ||||||
| Non-Reversible - 0.85 HP | |||||||||||||
| 7800-4B | 3/8" Maximum Collet Capacity |
18,000 | 9,000 | 1.00 | 1.4 | 0.50 | 0.68 | 41.7 | 19.7 | 78 | 4.89 | 2.20 | Single |
| 7801-4B | 4,600 | 2,400 | 4.00 | 5.5 | 1.86 | 2.5 | 41.7 | 19.7 | 78 | 4.89 | 2.20 | Single | |
| 7802-4B | 2,500 | 1,300 | 7.50 | 10.3 | 3.43 | 4.7 | 41.7 | 19.7 | 78 | 4.89 | 2.20 | Single | |
| 7803-4B | 1,200 | 600 | 16.00 | 21.9 | 7.44 | 10.2 | 41.7 | 19.7 | 78 | 6.39 | 2.86 | Double | |
| 7805-4B | 350 | 170 | 55.00 | 75.5 | 26.25 | 36.0 | 41.7 | 19.7 | 78 | 6.39 | 2.86 | Double | |
Looking for more information about Ingersoll Rand Milling Motor? Click here to view the Catalog
For help selecting the correct Ingersoll Rand Milling 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
