442XRESX-A5XK Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off Assembly, part number 442XRESX-A5XK or 442XRESXA5XK, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. This unit uses air shift actuation and delivers power through an SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft. Mounting is standard. The housing requires no pressure lubrication. Tapered cone bearings on the output shaft and a cast iron housing are characteristic of the 442 Series, contributing to its torque capacity and service life. Call us to confirm proper fit for your transmission application.

Features

Chelsea 442 Series, 6-bolt transmission mount
Shift type: Air shift
Output: SAE B 2 or 4-bolt flange with a 7/8" 13-tooth SAE B shaft
No pressure lubrication required
Cast iron housing with low-profile shift cover

Tech Specs

• Product Series: 442
• Mounting Type: 6-Bolt
• Mounting Option: Standard Mount (X)
• Gear Ratio Code: R (22/24)
• Input Gear Designator: ES
• Lube Option: No Pressure Lube (X)
• Shift Option: Air Shift (A)
• Assembly Arrangement: 5
• Output Option: SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T) (XK)

Additional Information

The Chelsea 442 Series is suited for vocational truck applications including dump trucks, towing and recovery trucks, service trucks, and aerial and construction equipment. The 442 Series supports eleven internal speed ratios and thirty-six output options across the product family. Consult the Chelsea 442 Series Parts List (HY25-2442-M1_US) or the Chelsea Service Manual (HY25-6442-M1/US) for detailed assembly and application information.