The Chelsea 442 Series Power Take-Off Assembly, part number 442XFAHX-A3SQ or 442XFAHXA3SQ, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. The AH input gear designation pairs with a 0.391:1 gear ratio and air shift actuation. Output is a 1-1/4" round standard shaft. Mounting uses the standard configuration with metric studs, and lubrication is splash-type with no pressure lube circuit. The cast iron housing and tapered cone output shaft bearings are characteristic of the 442 Series platform. Intermittent torque for the 442 Series ranges from 201 to 300 lb-ft; consult the application pages for the actual rating for your installation. Call us to confirm proper fit for your transmission.
Parker Chelsea publishes a dedicated service manual (HY25-6442-M1/US) and parts list (HY25-2442-M1_US) for the 442 Series. Contact Pro Gear and Transmission if you need help confirming this unit fits your transmission or application.
Features
Chelsea 442 Series, 6-bolt transmission mount with metric studs
Air shift actuation (pneumatic engagement)
0.391:1 gear ratio (AH input gear designator)
1-1/4" round standard output shaft
Cast iron housing with tapered cone output shaft bearings
Greaseable output shaft; no pressure lube circuit required
Tech Specs
- Product Series: 442
- Input Gear Designator: AH
- Gear Ratio: 0.391:1
- Mounting Option: Standard Mount with Metric Studs (6-Bolt)
- Shift Type: Air Shift
- Output Option: 1-1/4" Round Standard Shaft
- Assembly: 3
- Lubricant: No Pressure Lube
Additional Information
The Chelsea 442 Series is designed to fit virtually all existing 6-bolt transmission applications. Thirty-six output options and eleven internal speed ratios are available across the 442 Series platform, making it adaptable to a wide range of vocational builds. Typical applications include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. The 442 Series also sees use in aerial, fire and rescue, construction, forestry, and municipal equipment.Parker Chelsea publishes a dedicated service manual (HY25-6442-M1/US) and parts list (HY25-2442-M1_US) for the 442 Series. Contact Pro Gear and Transmission if you need help confirming this unit fits your transmission or application.
