Ingersoll Rand QS140P4 Pneumatic Pulse Tool is engineered for demanding production fastening applications where high torque capacity, repeatable accuracy, and reduced operator fatigue are essential. Featuring a shut-off clutch, 5,200 RPM free speed, an 81–110 ft-lbs torque range, and a 1/2" square drive, this pneumatic pulse tool delivers smooth, controlled fastening for industrial assembly environments. Its oil pulse mechanism helps minimize torque reaction while providing consistent tightening performance across repetitive production tasks.
The QS140P4 combines a high torque output with automatic shut-off functionality to help improve fastening consistency while reducing the likelihood of over-tightening. Designed for continuous-duty manufacturing operations, this pulse tool is ideal for automotive production, heavy equipment assembly, industrial machinery manufacturing, and other applications where controlled torque and reliable production performance are critical.
Type: Pneumatic Pulse Tool | Model: QS140P4 | Clutch Type: Shut-Off | Free Speed: 5,200 RPM | Torque Range: 81–110 ft-lbs | Drive Size: 1/2" Square
Features:
- Oil pulse mechanism helps reduce torque reaction, improving operator comfort during repetitive fastening operations.
- Automatic shut-off clutch stops the tool when the preset torque is achieved, promoting repeatable fastening accuracy.
- 5,200 RPM free speed supports efficient fastening cycles in high-volume production environments.
- 81–110 ft-lbs torque range is suitable for higher torque industrial assembly applications.
- 1/2-inch square drive accepts compatible industrial sockets for demanding fastening tasks.
- Designed for repetitive manufacturing environments requiring dependable torque control and consistent assembly quality.

Tech Tip: To increase tool performance, extend tool life and lessen repair costs use it with a Filter-Regulator-Lubricator (FRLs)
Made in USA: 
Applications:
- Automotive and commercial vehicle manufacturing.
- Heavy equipment and agricultural machinery assembly.
- Industrial machinery and equipment production.
- Production assembly lines requiring controlled high-torque fastening.
- Applications where reduced torque reaction and repeatable fastening improve productivity and assembly consistency.
FAQs:
- Q: What is the purpose of the shut-off clutch?
A: The shut-off clutch automatically stops the tool after the preset torque is reached, helping deliver consistent fastening results while minimizing over-tightening. - Q: What torque range does the QS140P4 provide?
A: The catalog confirms a fastening torque range of 81–110 ft-lbs. - Q: What drive size does this pulse tool use?
A: The QS140P4 features a 1/2-inch square drive for use with compatible industrial sockets. - Q: Why use a pneumatic pulse tool for production assembly?
A: The oil pulse mechanism helps reduce torque reaction while providing smooth, controlled, and repeatable fastening for demanding industrial assembly operations. - Q: Does the catalog specify weight, air consumption, air inlet size, or operating pressure?
A: No. Those specifications were not confirmed in the provided source and have therefore been omitted.
| SKU | Fastener Size | Torque Range FT-LBS (NM) |
Free Speed RPM |
Weight LBS (KG) |
Overall Length IN (MM) |
Side To Center Distance IN (MM) |
Output Drive IN |
Air Consumption CFM |
|---|---|---|---|---|---|---|---|---|
| Pistol | ||||||||
| QS50P3 | M5 | 3 - 6 (4.5 - 8) | 4300 | 2.1 (0.95) | 6.5 (164) | 0.9 (23) | 3/8” Square Drive | 8.9 |
| QS50PQ1 | M5 | 3 - 6 (4.5 - 8) | 4300 | 2.1 (0.95) | 6.5 (164) | 0.9 (23) | 1/4” Quick-Change Hex Drive | 8.9 |
| QS60P3 | M6 | 5.1 - 11.4 (7 - 15.5) | 5300 | 2.4 (1.1) | 6.5 (164) | 0.9 (23) | 3/8” Square Drive | 12 |
| QS60PQ1 | M6 | 4.4 - 9.6 (6 - 13) | 5300 | 2.1 (1) | 6.5 (164) | 0.9 (23) | 1/4” Quick-Change Hex Drive | 12 |
| QS70P3 | M6 - M8 | 11.1 - 23.6 (15 - 32) | 6800 | 2.4 (1.1) | 7 (177) | 0.9 (23) | 3/8” Square Drive | 13 |
| QS70PQ1 | M6 - M8 | 9.6 - 20.7 (13 - 28) | 6800 | 2.4 (11) | 7 (177) | 0.9 (23) | 1/4” Quick-Change Hex Drive | 13 |
| QS80P3 | M8 | 22.1 - 40.6 (30 - 55) | 6800 | 2.4 (1.1) | 7.4 (187) | 1 (25) | 3/8” Square Drive | 16 |
| QS110P4 | M10 - M12 | 37 - 64 (50 - 85) | 5800 | 3.3 (1.51) | 7.6 (194) | 2.2 (57) | 1/2” Square Drive | 17.7 |
| QS120P4 | M12 | 52 - 85 (70 - 115) | 5400 | 3.9 (1.8) | 7.9 (201) | 2.4 (62) | 1/2” Square Drive | 18.4 |
| QS140P4 | M14 | 81 - 110 (110 - 150) | 5200 | 4.6 (2.1) | 8.4 (214) | 2.6 (65) | 1/2” Square Drive | 25 |
| QS150P6 | M16 | 103 - 155 (140 - 210) | 4400 | 6.5 (3) | 9.3 (237) | 1.5 (39) | 3/4” Square Drive | 25 |
Looking for more information about Ingersoll Rand Pulse Tool? Click here to view the Catalog
For help choosing the correct Ingersoll Rand Pulse Tools for your application, please 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
