The Chelsea 282XKAJX-A5RK or 282XKAJXA5RK is a medium-duty hot shift Power Take-Off assembly from the Chelsea 282 Series, a redesigned line that combines the earlier 238 Series architecture with upgraded components. The 282 Series supports intermittent torque ratings of 201 to 300 lb-ft (401 to 500 Nm) and uses an 8-bolt mounting configuration. Shift options span pneumatic and hydraulic (PowerShift) operation, and output shafts are available in round configurations. This series covers nine speed ratios and eighteen shift options, making it a widely adaptable choice for aerial, towing and recovery, construction equipment, water truck, and fuel oil delivery applications. Call us to confirm proper fit and configuration for your application.
Features
Chelsea 282 Series medium-duty hot shift PTO assembly
8-bolt mounting configuration
Pneumatic or hydraulic (PowerShift) shift options
Intermittent torque range: 201 to 300 lb-ft (401 to 500 Nm)
Nine speed ratios and eighteen shift configurations available in the series
Suited for aerial, towing and recovery, construction equipment, water truck, and fuel oil delivery applications
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Intermittent Torque (Series): 201 to 300 lb-ft (401 to 500 Nm)
- Output Shaft Type: Round Shaft (1-1/4 in. with 5/16 in. key) or Round Shaft (1 in. with 1/4 in. key)
- Shaft Power (Series): 29 HP at 500 RPM, 57 HP at 1000 RPM
- Speed Ratios Available (Series): 9
- Shift Options Available (Series): 18
Additional Information
The Chelsea 282 Series was developed as a redesign of the medium-duty hot shift PTO category, integrating the best elements of the 238 Series with upgraded internal components. The series supports continuous-duty operation at its full torque rating and includes an optional Wet-Spline lubrication system for extended PTO and pump shaft service life. An integral air valve, rotatable flanges, and a Smart Start option for high-torque startup are among the series design features. The 282 Series is used across aerial work platforms, construction equipment, towing and recovery vehicles, water trucks, and home fuel oil delivery trucks. Parker Chelsea publishes a dedicated parts list (HY25-2272-M1_US) and a series owner's manual (272/282/852/885 Series) for reference.Parts Manual: Chelsea 282 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
