Chicago Pneumatic CP7829 3/8" Pneumatic Ratchet Wrench, 70 ft-lbs, 225 RPM, Part No 894-107-8293
- The CP7829 pneumatic ratchet wrench delivers high power and speed in a compact, ergonomic design—ideal for transmission, suspension, engine repair, and general maintenance in automotive dealerships and collision centers.
- Features:
- 70 ft-lbs (95 Nm) break-away torque and 225 RPM no-load speed for fast rundown performance
- Composite housing and ergonomic grip for balanced comfort and cold-hand insulation
- Adjustable side exhaust directs airflow and prevents dirt blowback during operation
- Full-caged gear and advanced motor design for durability in heavy-duty applications
- Lightweight at approximately 2.7 lbs (1.2 kg) and just 10.7″ (272 mm) long for access in tight spaces
- Specifications:
- Manufacturer: Chicago Pneumatic
- Model: CP7829
- Part Number: 894-107-8293
- Drive Size: 3/8″ square drive
- Torque Range: 10-55 ft-lbs (15-74 Nm), maximum 70 ft-lbs (95 Nm)
- No-Load Speed: 225 RPM
- Air Consumption (typical): ~10.95 CFM (5.2 L/s) at 90 PSI
- Air Inlet: 1/4″ NPTF, minimum hose size 3/8″ (10 mm)
- Noise Level: 85 dB(A); Sound Power: 96 dB(A)
- Vibration: 8.6 m/s² (K-factor 2.5 m/s² per ISO-28927-2)
- Weight: ~2.7 lbs (1.2 kg); Overall Length: 10.7″ (272 mm)
- Country of Origin: Japan
- The 3/8" Pneumatic Ratchet Wrench can also be referred to as high torque air ratchet, compact pneumatic wrench, CP7829 ratchet wrench, automotive air tool, and transmission service ratchet.
Chicago Pneumatic is a globally recognized manufacturer of professional air tools, delivering high-performance pneumatic wrenches and ratchets for collision centers, workshops, and industrial environments with an emphasis on durability, precision, and ergonomic design.
Q: What is the maximum torque output of the CP7829?
A: The CP7829 delivers up to 70 ft-lbs (95 Nm) break-away torque, with a working torque range of 10–55 ft-lbs (15–74 Nm).
Q: What air pressure and airflow does the wrench require?
A: It operates at around 90 PSI with average air consumption of approximately 10.95 CFM (5.2 L/s). Use a 3/8″ hose minimum.
Q: Is this tool suitable for tight spaces?
A: Yes, the compact length of 10.7″ (272 mm) and lightweight composite construction allow excellent access and balance in confined areas.
Q: How does the side exhaust benefit users?
A: The adjustable side exhaust redirects airflow away from the operator, preventing dirt or debris blowback and improving user comfort.
