The Chelsea 221XCAHP-P6XX or 221XCAHPP6XX is a 6-bolt power take-off assembly from Chelsea's 221 Series, designed for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. Shift type is wire/cable mechanical. The 1-1/4" round output shaft (with keyway) is driven by a cast iron housing with tapered cone output bearings for load capacity beyond what needle bearings provide. Output power reaches 46-55 HP (31-40 kW), with shaft power ratings of 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque is rated 201-300 lb-ft; consult the application pages for your specific torque figure. Compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers. Call us to confirm proper fit for your application.
Features
6-bolt mounting, compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmissions
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating: 201-300 lb-ft (check application pages for exact figure)
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion; available in standard or low-profile housing
Tech Specs
- Intermittent Torque: 201-300 lb-ft / 301-400 Nm (250 lb-ft / 339 Nm - check application pages for actual torque ratings)
- Shift Type: Wire/Cable, Mechanical
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
