The Chelsea 221 Series Power Take-Off, part number 221ZCAKX-M6XK or 221ZCAKXM6XK, is a 6-bolt mounted PTO assembly designed for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. Shift is accomplished via wire/cable mechanical actuation. The 1-1/4" round output shaft with key delivers up to 250 lb-ft intermittent torque (verify actual rating on the application pages for your specific installation). Shaft power output is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The cast iron housing is available in standard or low-profile configurations. Call us to confirm proper fit for your application.
Features
6-bolt mounting type compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmissions
Wire/cable mechanical shift actuation
1-1/4" round output shaft with key
Intermittent torque rating up to 250 lb-ft (339 Nm) - confirm 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: 201-300 lb-ft / 301-400 Nm; verify actual rating on application pages (250 lb-ft / 339 Nm reference values)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP, 31-40 kW
- Output Shaft Type: 1-1/4" Round with key
- Transmission Manufacturer: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM (18 kW at 500 RPM, 36 kW at 1,000 RPM)
Additional Information
