The Chelsea 221ZLDAX-A3XD or 221ZLDAXA3XD is a 6-bolt power take-off assembly from the Chelsea 221 Series, engineered for low-speed, heavy-duty applications. It uses a wire/cable mechanical shift and mounts to transmissions from Allison, Eaton/Fuller, Volvo/Mack, and Hino. The 1-1/4" round output shaft with keyway delivers up to 48 HP at 1,000 RPM, with an intermittent torque rating up to 250 lb-ft (check application pages for actual torque ratings). Cast iron construction with tapered cone output bearings provides strong load-bearing capability over roller or needle-type alternatives. Greaseable pump shafts reduce spline fretting and corrosion. A low-profile housing option is available for tight under-cab clearances. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting pattern compatible with Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
Wire/cable mechanical shift operation
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft / 339 Nm (verify on application pages)
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Greaseable pump shafts to limit spline fretting and corrosion
Available in standard or low-profile housing to suit tight installation spaces
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- 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
- 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)
- Housing Options: Standard or Low-Profile
Additional Information
