The Chelsea 221XLAHX-A5RB or 221XLAHXA5RB is a 221 Series power take-off assembly built for low-speed, heavy-duty service on dump trucks, tow and recovery rigs, aerial equipment, and vocational trucks. It mounts via a 6-bolt pattern and shifts by wire/cable mechanical actuation. The 1-1/4" round output shaft accepts a keyway, and the unit delivers up to 48 HP (36 kW) at 1,000 RPM through the output shaft. Intermittent torque for the 221 Series is rated at 250 lb-ft (339 Nm) - verify actual ratings on the Chelsea application pages for this configuration. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, and Hino. The cast iron housing is available in standard or low-profile configurations. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting pattern for compatible Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
Wire/cable mechanical shift actuation
1-1/4" round output shaft with keyway
Shaft power: 24 HP (18 kW) at 500 RPM, 48 HP (36 kW) at 1,000 RPM
Series intermittent torque rating: 250 lb-ft (339 Nm) - check application pages for this configuration
Greaseable pump shaft design reduces spline fretting and corrosion
Available in standard or low-profile housing
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual rating for this configuration)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with keyway
- Transmission Manufacturer Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (18 kW) at 500 RPM; 48 HP (36 kW) at 1,000 RPM
Additional Information