The Chelsea 221 Series Power Take-Off Assembly, part number 221ZEAHX-V3RB or 221ZEAHXV3RB, is a 6-bolt mounted PTO built for low-speed, heavy-duty service on vocational trucks including dump trucks, tow and recovery, and aerial equipment. Shift type is wire/cable mechanical. The 1-1/4" round output shaft with keyway delivers 46-55 HP (31-40 kW) of output power, with shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque is rated up to 250 lb-ft (339 Nm) - verify actual torque against Chelsea application pages for your specific transmission. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. Call us to confirm proper fit for your application.
Features
6-bolt mounting for compatibility with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission platforms
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Output power: 46-55 HP (31-40 kW); shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Intermittent torque up to 250 lb-ft (339 Nm) - check Chelsea application pages for your exact rating
Greaseable pump shafts to reduce spline fretting and corrosion; available in standard or low-profile housing
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (verify actual rating on Chelsea application pages)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with Key
- Transmission Manufacturer Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (500 RPM) / 48 HP (1,000 RPM); 18 kW (500 RPM) / 36 kW (1,000 RPM)
- Dimensions (H x W x L): 8.38" x 10.38" x 14.25"
Additional Information
