The Chelsea 442KRJKX-S3XK or 442KRJKXS3XK is a 442 Series Power Take-Off designed for 6-bolt transmission applications. The cast iron housing and tapered cone bearings on the output shaft give the 442 Series its intermittent torque rating in the 201-300 lb-ft range and shaft output up to 48 HP at 1,000 RPM. This unit uses wire/cable mechanical shift and features a round output shaft with a 1-1/4" key. The 442 Series includes a rotatable output flange for improved installation clearance. Typical applications include dump trucks, tow trucks, service trucks, and small aerial units. Call us to confirm proper fit for your transmission.
Features
6-bolt mounting pattern fits a wide range of transmission applications
Wire/cable mechanical shift actuation
Cast iron housing with tapered cone bearings on the output shaft
Round output shaft with 1-1/4" key
360-degree rotatable output flange for improved plumbing and clearance
Suited for dump trucks, tow trucks, service trucks, and aerial applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: Round shaft, 1-1/4" key
- Intermittent Torque (Series): 201-300 lb-ft (339 Nm) - check application data for exact rating
- Shaft Power: 24 HP at 500 RPM / 48 HP at 1,000 RPM
- Output Power (Series): 46-55 HP
- Housing Material: Cast iron
- Bearings: Tapered cone bearings on output shaft
- Part Number: 442KRJKX-S3XK or 442KRJKXS3XK
Additional Information
The Chelsea 442 Series is engineered for light-to-medium duty vocational equipment including snow and ice trucks, forestry equipment, construction equipment, and fire and rescue vehicles. The series offers eleven internal speed ratios and thirty-six output options. Parker Chelsea publishes a dedicated service manual (HY25-6442-M1/US) and parts list (HY25-2442-M1_US) for the 442 Series. The RJ output option applicable to this part number is covered in Parker Chelsea reference document PTO-PNI-275.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
