The Chelsea 442 Series Power Take-Off, part number 442ZQAHX-A6XO or 442ZQAHXA6XO, is a 6-bolt mount 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 46-55 HP, making it suited for light-to-medium duty vocational work including dump trucks, tow 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. Chelsea's 442 Series offers 360-degree rotatable flange options and greaseable output shafts for extended service life. Sold by Pro Gear and Transmission.
Features
6-bolt transmission mounting for broad compatibility
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque: 201-300 lb-ft (339 Nm); output power: 46-55 HP
Round output shaft with 1-1/4" key
Wire/cable or mechanical shift actuation
Rotatable output flange for improved installation clearance
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) -- see application pages for actual rating
- 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
- Bearings: Tapered Cone Bearings
- Product Series: Chelsea 442
Additional Information
The Chelsea 442 Series is compatible with virtually all existing 6-bolt transmission applications. Thirty-six output options and eleven internal speed ratios are available across the series. Typical vocational applications include dump trucks, tow trucks, service trucks, snow and ice trucks, and light aerial units. Parker Chelsea documents for this series include 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.
