The Chelsea 442 Series Power Take-Off Assembly, part number 442ZUFNX-W5XD or 442ZUFNXW5XD, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. This unit runs a 0.391:1 gear ratio with air shift actuation and a 1-1/4" round standard output shaft. Mounting is standard with metric studs. The housing is cast iron with tapered cone bearings on the output shaft. No pressure lube is required for this configuration. The 442 Series supports up to 250 lb-ft intermittent torque and output power in the 46-55 HP range at rated speed. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your transmission application.
The Chelsea 442 Series is engineered for compatibility with virtually all 6-bolt transmission applications. Typical vocational markets include aerial equipment, construction, forestry, fire and rescue, dump trucks, tow and recovery trucks, and snow and ice trucks. Eleven internal speed ratios and thirty-six output options make this series adaptable across a wide range of equipment configurations. Owner's Manual (340/348/442/447/489/660/680/823/863/880 Series), Parts List HY25-2442-M1_US, and Service Manual HY25-6442-M1/US are available from Parker Chelsea for this series.
Features
Air shift actuation for remote or cab-controlled engagement
0.391:1 gear ratio
1-1/4" round standard output shaft with greaseable design
Standard 6-bolt mount with metric studs
Cast iron housing with tapered cone bearings for extended service life
Low-profile shift cover with rotatable output flange for improved installation clearance
Tech Specs
- Product Series: 442
- Input Gear Designator: AH
- Gear Ratio: 0.391:1
- Mounting Option: Standard Mount with Metric Studs
- Shift Type: Air Shift
- Output Option: 1-1/4" Round Standard Shaft
- Assembly: 3
- Lubricant: No Pressure Lube
- Mounting: 6-Bolt
- Intermittent Torque Rating (Series): 250 lb-ft (339 Nm) - check application pages for actual torque rating
- Output Power (Series): 46-55 HP
Additional Information
Cross-reference part numbers for 442ZUFNX-W5XD or 442ZUFNXW5XD: 1010XRW343SE, 1450-442ZUFNXW5XD, 1450442ZUFNXW5XD, CHL442ZUFNXW5XD, S-19120 or S19120.The Chelsea 442 Series is engineered for compatibility with virtually all 6-bolt transmission applications. Typical vocational markets include aerial equipment, construction, forestry, fire and rescue, dump trucks, tow and recovery trucks, and snow and ice trucks. Eleven internal speed ratios and thirty-six output options make this series adaptable across a wide range of equipment configurations. Owner's Manual (340/348/442/447/489/660/680/823/863/880 Series), Parts List HY25-2442-M1_US, and Service Manual HY25-6442-M1/US are available from Parker Chelsea for this series.
