The Chelsea 442XUBMX-A3RK or 442XUBMXA3RK is a 442 Series Power Take-Off built for 6-bolt transmission applications. The cast iron housing and tapered cone bearings on the output shaft give this series its class-leading torque rating, with intermittent torque in the 201-300 lb-ft range and output power of 46-55 HP. The round output shaft accepts a 1-1/4" key. Shift options include wire/cable or mechanical actuation. The 442 Series is suited for light-to-medium duty vocational work including dump trucks, service trucks, tow trucks, and aerial units. Available from Pro Gear and Transmission.
Features
6-bolt mounting compatible with a wide range of transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating: 201-300 lb-ft (201-300 lb-ft series range)
Output power: 46-55 HP
Round output shaft with 1-1/4" key
Wire/cable or mechanical shift actuation
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft with 1-1/4" Key
- Intermittent Torque: 201-300 lb-ft (339 Nm per series rating - check application pages for actual torque rating)
- Output Power: 46-55 HP (31-40 kW)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
- Housing Material: Cast Iron
- Product Series: 442
Additional Information
The Chelsea 442 Series offers 36 output options including a 360-degree rotatable flange, eleven internal speed ratios, and ten shift options. The RK output option referenced in this part number is detailed in Parker document PTO-PNI-275. Applicable Parker service and parts references include the 442 Series Parts List (HY25-2442-M1_US) and the 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.
