The Chelsea 442XQAHX-W3RK or 442XQAHXW3RK 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 deliver the torque capacity and service life the 442 Series is known for. Output is through a round shaft with a 1-inch, 1/4-inch key configuration. The unit shifts via wire/cable or mechanical linkage and fits the full range of vocational uses the 442 Series was designed for: dump trucks, tow and recovery trucks, service trucks, and aerial units. Pro Gear and Transmission stocks Chelsea PTO units and can help confirm the right configuration for your transmission.
Features
6-bolt mounting for broad transmission compatibility
Cast iron housing with tapered cone bearings on the output shaft
Round shaft output, 1-inch diameter with 1/4-inch key
Wire/cable or mechanical shift operation
Rotatable output flange for improved installation clearance
Suited for dump trucks, tow trucks, service trucks, and aerial applications
Tech Specs
- Series: Chelsea 442
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft, 1-inch diameter, 1/4-inch key
- Housing Material: Cast Iron
- Output Bearing: Tapered Cone Bearings
- Intermittent Torque (Series): 201-300 lb-ft (check application pages for actual torque rating)
- Output Power (Series): 46-55 HP
- Dimensions (H x W x L): 8.5 in. x 10.75 in. x 14.5 in.
Additional Information
The Chelsea 442 Series includes eleven internal speed ratios and thirty-six output options, making it one of the more configurable PTO families in the 6-bolt class. The 442XQAHX-W3RK falls within this lineup and is supported by Chelsea documentation including the 442 Series Parts List (HY25-2442-M1_US) and Chelsea Service Manual (HY25-6442-M1/US). The RK output option is covered in Parker technical notice PTO-PNI-275 - RK and RJ Output Options.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
