442KSJKX-A3XD Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off Assembly, part number 442KSJKX-A3XD or 442KSJKXA3XD, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. This unit carries a 0.391:1 gear ratio and uses air shift actuation. The output is a 1-1/4" round standard shaft (XD option), and mounting is standard with metric studs. No pressure lube is required. The cast iron housing and tapered cone bearings on the output shaft are characteristic of the 442 Series, which supports intermittent torque ratings up to 300 lb-ft and shaft power up to 48 HP at 1,000 RPM. Cross-references include 1450-442KSJKXA3XD and CHL442KSJKXA3XD. Call us to confirm proper fit for your transmission and application.

Features

Chelsea 442 Series, 6-bolt transmission mount with metric studs
Air shift actuation (A)
0.391:1 gear ratio (A)
1-1/4" round standard output shaft (XD)
No pressure lube required (X)
Cast iron housing with tapered cone output shaft bearings; low-profile shift cover and rotatable output flanges for 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

Additional Information

The Chelsea 442 Series is engineered for virtually all existing 6-bolt transmission applications. The series supports intermittent torque from 201 to 300 lb-ft (301 to 400 Nm) and shaft power up to 48 HP at 1,000 RPM. Eleven internal speed ratios, thirty-six output options, and ten shift configurations are available across the 442 family, making cross-application fit straightforward for fleet and vocational builds. Typical applications include snow and ice trucks, dump trucks, towing and recovery vehicles, and service trucks. Cross-reference numbers for this part: 1450-442KSJKXA3XD, 1450442KSJKXA3XD, CHL442KSJKXA3XD.