The Chelsea 221 Series Power Take-Off, part number 221ZEAHX-H3XK or 221ZEAHXH3XK, is a 6-bolt mount PTO built for low-speed, heavy-duty service on dump trucks, tow and recovery rigs, and aerial equipment. Shift type is wire/cable mechanical. The 1-1/4" round output shaft with keyway delivers up to 250 lb-ft intermittent torque (339 Nm), with shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Output power range is 46-55 HP (31-40 kW). Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and other applicable models. The cast iron housing is available in standard or low-profile configuration. Greaseable pump shafts help reduce spline fretting. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for broad transmission compatibility
Wire/cable mechanical shift type
1-1/4" round output shaft with keyway
Intermittent torque rating up to 250 lb-ft (339 Nm); verify actual rating on application pages
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: 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM (18 kW at 500 RPM, 36 kW at 1,000 RPM)
- Output Shaft Type: 1-1/4" Round with key
- Mounting Type: 6-Bolt
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Housing Options: Standard or Low-Profile
Additional Information
