442XSDAX-A3XK Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off Assembly, part number 442XSDAX-A3XK or 442XSDAXA3XK, 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 requires no pressure lubrication. Tapered cone bearings support the output shaft, and the cast iron housing contributes to the 442 Series' class-leading service life. The 442 Series is rated for up to 250 lb-ft intermittent torque and up to 48 HP shaft power at 1,000 RPM. Call us to confirm proper fit for your transmission application.

Features

Chelsea 442 Series, 6-bolt transmission mounting with metric studs
Air shift actuation for reliable, remote engagement
0.391:1 gear ratio
1-1/4" round standard output shaft
Cast iron housing with tapered cone bearings
No-pressure-lube design; greaseable output shaft for extended service intervals

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 designed to work with virtually all existing 6-bolt transmission applications. Vocational markets served by this series include aerial, construction, forestry, fire and rescue, and municipal equipment. The series offers 36 output options and 11 internal speed ratios across the product line. Series intermittent torque rating is 250 lb-ft (339 Nm); verify actual torque requirements against your specific application before ordering. Shaft power for the series is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Parker Chelsea documents available for this series include the 442 Series Owner's Manual (HY25-6442-M1/US) and the 442 Series Parts List (HY25-2442-M1_US).