The Chelsea 282GMAJX-B3RB is a medium-duty hot-shift power take-off from the Chelsea 282 Series, designed for demanding mobile equipment applications including aerial work platforms, construction equipment, towing and recovery, water trucks, and fuel oil delivery. It mounts via an 8-bolt pattern and accepts pneumatic or PowerShift (pneumatic/hydraulic) engagement. The 1-1/4" round output shaft uses a 5/16" key. Intermittent torque capacity runs 201-300 lb-ft (401-500 Nm), with continuous torque rated up to 300 lb-ft - confirm actual rating on the application pages for your specific configuration. Shaft power output is 29 HP at 500 RPM and 57 HP at 1000 RPM. Compatible transmission families include Allison, Volvo/Mack, and Eaton/Fuller. Call us to confirm fitment for your specific transmission and chassis.
Features
8-Bolt mounting pattern, compatible with Allison, Volvo/Mack, and Eaton/Fuller transmissions
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air valve
1-1/4" round output shaft with 5/16" keyway
Continuous-duty torque rating up to 300 lb-ft (407 Nm); verify actual rating on application pages
Shaft power: 29 HP at 500 RPM, 57 HP at 1000 RPM
Wet-Spline option for extended PTO and pump shaft service life; Smart Start option for high-torque engagement
Rotatable flanges for flexible installation orientation
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 300 lb-ft / 407 Nm (check application pages for actual rating by configuration)
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Mounting Type: 8-Bolt
- Shift Type: Pneumatic, or PowerShift (Pneumatic/Hydraulic)
- Shaft Power: 29 HP at 500 RPM; 57 HP at 1000 RPM (21 kW at 500 RPM; 43 kW at 1000 RPM)
- Output Power: 41-50 kW / 56+ HP
- Transmission Compatibility: Allison, Volvo/Mack, Eaton/Fuller, and other manufacturers
- Part Number: 282GMAJX-B3RB or 282GMAJXB3RB
Additional Information
Parts Manual: Chelsea 282 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
