Description
The Chelsea 282GMAJX-V3RK or 282GMAJXV3RK is a medium-duty hot-shift power take-off from the Chelsea 282 Series, designed for demanding continuous-duty applications. This 8-bolt unit supports both pneumatic and PowerShift (pneumatic/hydraulic) engagement and carries a continuous torque rating up to 300 lb-ft (407 Nm) with an intermittent range of 201-300 lb-ft (401-500 Nm). The 1-1/4″ round output shaft accepts a 5/16″ key. Shaft power output is rated at 29 HP (21 kW) at 500 RPM and 57 HP (43 kW) at 1,000 RPM. Compatible transmission manufacturers include Allison, Volvo/Mack, Eaton/Fuller, and others. Common applications include aerial trucks, towing and recovery, construction equipment, water trucks, and fuel oil delivery. Call us to confirm proper fit for your transmission and application.
Features
8-Bolt mounting for broad transmission compatibility including Allison, Volvo/Mack, and Eaton/Fuller
Pneumatic or PowerShift (pneumatic/hydraulic) engagement with integral air valve
1-1/4″ round output shaft with 5/16″ keyway
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent rating 201-300 lb-ft (401-500 Nm)
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM
Rotatable flanges, Wet-Spline option, and Smart Start option for high-torque engagement
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 torque ratings
- Output Shaft Type: 1-1/4″ Round with 5/16″ Key
- Mounting Type: 8-Bolt
- Shift Type: Pneumatic; PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmission Manufacturers: Allison, Volvo/Mack, Eaton/Fuller, Other
- Lubricant Options: Standard Lube (X), Pressure Lube (P), Wet Spline (W)
Additional Information
The 282GMAJX-V3RK is part of the Chelsea 282 Series, a redesigned medium-duty hot-shift PTO line that consolidates the best elements of the 238 Series into a single versatile platform. The 282 Series offers nine speed ratios and eighteen shift options, giving fleet and equipment managers flexibility across a wide range of direct-mount and driveshaft output configurations. Direct-mount setups are available with optional Wet-Spline technology to extend PTO and pump shaft service life. Driveshaft output versions include a positive stop to prevent seal damage from driveshaft yoke contact. The Smart Start option helps manage high-torque engagement at startup. Typical markets for this series include aerial, construction equipment, towing and recovery, water trucks, home fuel oil delivery, material handling, and defense applications.
Parts Manual: Chelsea 282 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.








