The Chelsea 442 Series Power Take-Off, part number 442ZWCDX-W6RK or SP442ZWCDX-W6RK, is a 6-bolt mount PTO built for light-to-medium duty vocational truck applications. The cast iron housing and tapered cone bearings on the output shaft deliver a series intermittent torque rating in the 201-300 lb-ft range, with output power spanning 46-55 HP. The round output shaft accepts a 1-1/4" key. Shift is accomplished via wire/cable or mechanical means. The 442 Series suits tow trucks, service trucks, dump trucks, and small aerial trucks, and is compatible with virtually all existing 6-bolt transmission applications. Available from Pro Gear and Transmission.
Features
6-bolt mounting, compatible with virtually all existing 6-bolt transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Series intermittent torque rating: 201-300 lb-ft (339 Nm); output power: 46-55 HP
Round output shaft with 1-1/4" key
Wire/cable or mechanical shift options
Suited for tow trucks, service trucks, dump trucks, and small aerial trucks
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft with 1-1/4" Key
- Series Intermittent Torque: 201-300 lb-ft (339 Nm)
- Series Output Power: 46-55 HP (31-40 kW)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
- Housing Material: Cast Iron
- Lubricant Type: No Pressure Lube (X designation)
- Product Series: 442
Additional Information
Also referenced as SP442ZWCDX-W6RK. The 442 Series offers thirty-six output options, including a 360-degree rotatable flange, eleven internal speed ratios, and ten shift options across the family. Applicable markets include aerial, fire and rescue, construction, forestry, and vocational and municipal equipment. Relevant Parker Chelsea documentation: 442 Series Parts List (HY25-2442-M1_US), Chelsea Service Manual (HY25-6442-M1/US), and PTO-PNI-275 covering 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.
