The Chelsea 221 Series PTO Assembly, part number 221XEAHX-A3RB or 221XEAHXA3RB, is a 6-bolt, wire/cable mechanical-shift power take-off built for low-speed, heavy-duty service. The 1-1/4" round output shaft with keyway delivers up to 250 lb-ft (339 Nm) intermittent torque, with continuous operation available at a 30% de-rating. Shaft power is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. The cast iron housing uses tapered cone output bearings rather than needle bearings for greater load capacity. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino. Available in standard or low-profile housing configurations. A genuine Chelsea part sold by Pro Gear and Transmission. 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 rated to 250 lb-ft (339 Nm); check application pages for confirmed rating
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
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 confirmed rating)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with key
- 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
- Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, Hino
- Housing Options: Standard or low-profile
Additional Information
