The Chelsea 442XXGSX-A5RK is a 442 Series Power Take-Off built on a 6-bolt mounting pattern, making it compatible with a wide range of existing transmission applications. The cast iron housing and tapered cone bearings on the output shaft give this series its class-leading torque rating and extended service life. Output is delivered through a round shaft with a 1-1/4" key, and shift is handled via wire/cable or mechanical actuation. The 442 Series is suited for light-to-medium duty vocational work including dump trucks, tow trucks, service trucks, and aerial equipment. Pro Gear and Transmission carries this genuine Chelsea unit for the professional buyer who needs a dependable PTO solution.
Features
6-bolt mounting pattern compatible with a broad range of transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Round output shaft with 1-1/4" key
Wire/cable or mechanical shift type
Low-profile shift cover with rotatable output flange options for improved clearance
Suited for dump trucks, tow trucks, service trucks, and aerial applications
Tech Specs
- Series: Chelsea 442
- Mounting Type: 6-Bolt
- Output Shaft Type: Round Shaft, 1-1/4" Key
- Shift Type: Wire/Cable or Mechanical
- Housing Material: Cast Iron
- Output Bearing Type: Tapered Cone
- Intermittent Torque (Series): 201-300 lb-ft (check application pages for actual torque rating)
- Output Power (Series): 46-55 HP
- Shaft Power (Series): 24 HP at 500 RPM, 48 HP at 1000 RPM
Additional Information
The Chelsea 442 Series is documented under Parker service publication 442 Series Parts List HY25-2442-M1_US and Chelsea Service Manual HY25-6442-M1/US. Output options for this series include Chelsea's 360-degree rotatable flange, and the RK output option applicable to part numbers like 442XXGSX-A5RK is covered under Parker application note PTO-PNI-275 (RK and RJ Output Options). Eleven internal speed ratios and ten shift options are available across the 442 Series product range.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
