The Chelsea 442 Series Power Take-Off, part number 442XRAHX-A3RK or 442XRAHXA3RK, is a 6-bolt mounting PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, service trucks, and aerial equipment. The 442 Series features a cast iron housing and tapered cone bearings on the output shaft, contributing to the series' strong torque rating and extended service life. Shift options include wire/cable and mechanical actuation. The series supports a 360-degree rotatable output flange for improved clearance in tight installations. Output shaft type is a round shaft with 1-1/4-inch key. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Chelsea 442 Series, part number 442XRAHX-A3RK or 442XRAHXA3RK
6-bolt transmission mounting for broad compatibility with existing applications
Cast iron housing and tapered cone bearings on the output shaft
Wire/cable or mechanical shift actuation
360-degree rotatable output flange for installation clearance flexibility
Round output shaft with 1-1/4-inch key
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: Round Shaft with 1-1/4" Key
- Output Flange: 360-degree rotatable
- Series Intermittent Torque Rating: 250 lb-ft (339 Nm) - check application pages for actual torque rating
- Series Output Power: 46-55 HP (31-40 kW)
- Series Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
- Housing Material: Cast Iron
- Bearing Type: Tapered Cone Bearings (output shaft)
- Series: Chelsea 442
Additional Information
The Chelsea 442 Series is suited for snow and ice trucks, service trucks, dump trucks, towing and recovery trucks, and small aerial trucks. The 442 Series offers eleven internal speed ratios and thirty-six output options across the full product line. Lubricant designation X in this part number indicates no pressure lube configuration. Suffix RK in the part number corresponds to a specific output option - refer to Chelsea document PTO-PNI-275 for RK and RJ output option details. Additional references: 442 Series Parts List HY25-2442-M1_US, Chelsea Service Manual HY25-6442-M1/US.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
