The Chelsea 442ZWFNX-A3RK is a 442 Series Power Take-Off built for 6-bolt transmission applications. The series features a cast iron housing with tapered cone bearings on the output shaft, delivering an intermittent torque rating in the 201-300 lb-ft range and output power from 46 to 55 HP. Shift options include wire/cable or mechanical actuation. The output shaft is a round 1-1/4" keyed design, and the series supports 360-degree rotatable output flanges for clearance flexibility. Common applications in the 442 Series include dump trucks, service trucks, tow trucks, and aerial units. The RK output option is referenced in Chelsea document PTO-PNI-275. Available from Pro Gear and Transmission.
Features
6-bolt mounting for compatibility with a wide range of transmission applications
Cast iron housing with tapered cone bearings for extended output shaft life
Wire/cable or mechanical shift actuation
1-1/4" round keyed output shaft with greaseable design
360-degree rotatable output flange option for improved installation clearance
Suited for dump trucks, service trucks, tow trucks, and aerial applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft, 1-1/4" with Key
- Series Intermittent Torque: 201-300 lb-ft (339 Nm) -- check application pages for actual torque rating
- Series Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
- Housing Material: Cast Iron
- Output Option Code: RK (per Chelsea PTO-PNI-275)
- Product Series: 442
Additional Information
The RK output option for the 442 Series is detailed in Chelsea application note PTO-PNI-275. Full service and parts information is covered in the 442 Series Owner's Manual and the 442 Series Parts List (HY25-2442-M1_US). The Chelsea Service Manual for the 442 Series is published as 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.
