The Chelsea 442 Series Power Take-Off, part number 442ZXAHX-A3XK or SP442ZXAHX-A3XK, is a 6-bolt mounting PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, service trucks, and aerial equipment. The cast iron housing and tapered cone bearings on the output shaft are a defining characteristic of the 442 Series, contributing to its class-leading torque rating and extended service life. The series supports wire/cable or mechanical shift and a 1-1/4" round output shaft with key. Thirty-six output options and eleven internal speed ratios make this a versatile unit across a wide range of 6-bolt transmission configurations. Available from Pro Gear and Transmission.
Features
6-bolt mounting configuration compatible with a wide range of transmission applications
Cast iron housing for extended service life
Tapered cone bearings on the output shaft
1-1/4" round output shaft with keyway
Wire/cable or mechanical shift options
Rotatable output flange for improved installation clearance
Tech Specs
- Series: Chelsea 442
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft, 1-1/4" with Key
- Output Power (Series): 46-55 HP / 31-40 kW
- Intermittent Torque (Series): 201-300 lb-ft (check application pages for actual torque rating)
- Shaft Power: 24 HP at 500 RPM / 48 HP at 1,000 RPM
- Housing Material: Cast Iron
- Lubricant Type: X = No Pressure Lube
Additional Information
The Chelsea 442 Series is engineered to work with virtually all existing 6-bolt transmission applications. Eleven internal speed ratios and thirty-six output options are available within the series, including a 360-degree rotatable flange. Typical vocational applications include snow and ice trucks, dump trucks, service trucks, towing and recovery trucks, and aerial equipment. Part number 442ZXAHX-A3XK is also referenced as SP442ZXAHX-A3XK.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
