The Chelsea 442 Series Power Take-Off, part number 442XWBMX-W3XR or 442XWBMXW3XR, is a 6-bolt mounted 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 of 46 to 55 HP, making it suited for light-to-medium duty vocational work including dump trucks, tow trucks, service trucks, and aerial equipment. Shift is accomplished via wire/cable or mechanical means. The round output shaft accepts a 1-1/4" key. The 442 Series is known for its 360-degree rotatable flange options and greaseable output shafts, contributing to extended service intervals and installation flexibility.
Features
6-bolt transmission mounting for broad compatibility with existing applications
Cast iron housing with tapered cone bearings on the output shaft
Wire/cable or mechanical shift type
Round output shaft with 1-1/4" key
360-degree rotatable flange options for improved installation clearance
Greaseable output shafts for extended service life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft with 1-1/4" Key
- Intermittent Torque: 201-300 lb-ft (339 Nm); check application pages for actual rating
- Output Power: 46-55 HP (31-40 kW)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
- Housing Material: Cast Iron
- Product Series: 442
Additional Information
The Chelsea 442 Series is compatible with virtually all existing 6-bolt transmission applications. Typical vocational markets include dump trucks, tow and recovery trucks, service trucks, snow and ice trucks, and aerial equipment. The series offers eleven internal speed ratios and thirty-six output options. Relevant Chelsea documentation includes the 442 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6442-M1/US).Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
