The Chelsea 221 Series Power Take-Off Assembly, part number 221XEAHX-A3XX or 221XEAHXA3XX, is a 6-bolt, wire/cable mechanical-shift PTO designed for low-speed, heavy-duty service on dump trucks, tow and recovery vehicles, and aerial equipment. The cast iron housing uses tapered cone output bearings for greater load capacity compared to needle-bearing designs. Output shaft is a 1-1/4" round with keyway. Intermittent torque rating for this series reaches 250 lb-ft (339 Nm); check application pages for the actual torque rating for your specific installation. Shaft power is 24 HP at 500 RPM and 48 HP at 1,000 RPM. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. Available in standard or low-profile housing configurations. Call us to confirm proper fit for your application.
Features
6-bolt mounting, wire/cable mechanical shift
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm) - verify actual rating for your application
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Cast iron housing with tapered cone output bearings for high load capacity
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 rating)
- Shift Type: Wire/Cable, Mechanical
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with Key
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Housing Options: Standard or Low-Profile
- Dimensions (H x W x L): 8.38" x 10.38" x 14.25"
Additional Information
