The Chelsea 442XSKNX-A3RK or 442XSKNXA3RK is a 442 Series Power Take-Off built for 6-bolt transmission applications. The cast iron housing and tapered cone bearings on the output shaft are hallmarks of the 442 Series, delivering a class-leading torque rating and extended service life. The series supports wire/cable or mechanical shift and features a round output shaft with a 1-1/4" key. With 36 output options including a 360° rotatable flange and eleven internal speed ratios, the 442 Series covers a wide range of light-to-medium duty vocational uses including dump trucks, service trucks, tow trucks, and aerial equipment. Available from Pro Gear and Transmission.
Features
6-bolt mounting for compatibility with a wide range of transmissions
Cast iron housing with tapered cone bearings on the output shaft
Wire/cable or mechanical shift options
Round output shaft with 1-1/4" key
360° rotatable output flange for improved installation clearance
Suited for dump trucks, service trucks, tow trucks, and aerial equipment
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round shaft with 1-1/4" key
- Intermittent Torque (Series): 250 lb-ft (339 Nm) - check application pages for actual rating
- Output Power (Series): 46-55 HP (31-40 kW)
- Shaft Power (Series): 24 HP at 500 RPM, 48 HP at 1,000 RPM
- Housing Material: Cast iron
- Output Options (Series): 36 output configurations available
- Internal Speed Ratios (Series): 11 available
Additional Information
The PTO-PNI-275 service bulletin covers RK and RJ output options specific to this configuration. The 442 Series is documented in the Chelsea 442 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6442-M1/US), both available from Parker Chelsea.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
