The Chelsea 442 Series Power Take-Off, part number 442XHAHX-U3XK or 442XHAHXU3XK, 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 an intermittent torque rating in the 201-300 lb-ft range, with output power in the 46-55 HP band. The 442 Series supports wire/cable or mechanical shift and features a round shaft output with a 1-1/4" key. The rotatable output flange aids installation clearance, and the greaseable output shaft extends service intervals. Suited for tow trucks, dump trucks, service trucks, and aerial units.
Features
6-bolt mounting for broad transmission compatibility
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating: 201-300 lb-ft (check application pages for actual rating)
Output power: 46-55 HP
Round shaft output, 1-1/4" key
Wire/cable or mechanical shift; rotatable output flange for improved installation clearance
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft, 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
- Bearings: Tapered Cone Bearings (output shaft)
- Lubricant: No Pressure Lube (X designation)
- Product Series: 442
Additional Information
The Chelsea 442 Series is suited for tow trucks, dump trucks, service trucks, snow and ice trucks, and small aerial trucks. The 442 Series supports eleven internal speed ratios and thirty-six output options, including Chelsea's 360-degree rotatable flange. Applicable markets include aerial, fire and rescue, construction, forestry, and vocational and municipal equipment. Reference documents: 442 Series Parts List HY25-2442-M1_US, 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.
