The Chelsea 221 Series Power Take-Off, part number 221ZLAHX-A3XD or 221ZLAHXA3XD, is a 6-bolt, wire/cable mechanical-shift PTO built for low-speed, heavy-duty vocational work including dump trucks, tow and recovery, and aerial equipment. Output is delivered through a 1-1/4" round shaft with keyway, and the unit is compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission platforms. Intermittent torque capacity reaches 250 lb-ft (339 Nm); check the application pages for your specific torque rating. Shaft power measures 24 HP at 500 RPM and 48 HP at 1,000 RPM. The cast-iron housing is available in standard or low-profile configurations. Greaseable pump shafts help resist spline fretting and corrosion in demanding duty cycles. 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 up to 250 lb-ft (339 Nm); verify rating on application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Greaseable pump shafts reduce spline fretting and corrosion; choice of standard or low-profile housing
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque rating)
- Shift Type: Wire/Cable, Mechanical
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- 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)
- Housing Options: Standard or Low-Profile
Additional Information
