The Chelsea 442 Series Power Take-Off, part number 442KQARX-W3XO or SP442KQARX-W3XO, is a 6-bolt PTO built around a cast iron housing with tapered cone bearings on the output shaft. The 442 Series delivers intermittent torque in the 201-300 lb-ft range and output power from 46 to 55 HP, making it well suited for tow trucks, dump trucks, service trucks, and aerial units. Shift options include wire/cable and mechanical actuation. The output shaft is a round shaft with a 1-1/4" key. Rotatable output flanges allow improved clearance in tight installations. Sold by Pro Gear and Transmission.
Features
6-bolt mounting compatible with a wide range of transmission applications
Cast iron housing with tapered cone bearings for extended service life
Intermittent torque rating: 201-300 lb-ft (series rating; check application pages for this model)
Output power: 46-55 HP
Wire/cable or mechanical shift actuation
Round output shaft with 1-1/4" key; rotatable output flange options available
Tech Specs
- Part Number: 442KQARX-W3XO
- Alternate Part Number: SP442KQARX-W3XO
- Series: Chelsea 442
- Mounting Type: 6-Bolt
- Housing Material: Cast Iron
- Output Shaft Type: Round Shaft, 1-1/4" Key
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series): 201-300 lb-ft / 301-400 Nm
- Output Power (Series): 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM; 48 HP at 1,000 RPM
Additional Information
The Chelsea 442 Series is designed for light-to-medium duty vocational applications including tow trucks, dump trucks, service trucks, snow and ice trucks, and aerial units. The series offers thirty-six output options including Chelsea's 360-degree rotatable flange, eleven internal speed ratios, and ten shift options. Greaseable output shafts contribute to extended service intervals. The 442 Series is also used in fire and rescue, construction, forestry, and municipal equipment applications.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
