The Chelsea 442 Series Power Take-Off, part number 442ZFDAX-A5RK or 442ZFDAXA5RK, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including tow trucks, service trucks, dump trucks, and aerial equipment. The cast iron housing and tapered cone bearings on the output shaft define the 442 Series, giving it a strong torque rating and long service life across its class. This unit uses an air shift and features a rotatable SAE B 2 or 4-bolt flange with a 7/8 inch 13-tooth SAE B shaft. The 442 Series supports a 360-degree rotatable output flange for improved installation clearance. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 442 Series, part number 442ZFDAX-A5RK or 442ZFDAXA5RK
6-bolt transmission mounting for broad application coverage
Air shift type
Cast iron housing with tapered cone bearings on the output shaft
Rotatable SAE B 2 or 4-bolt flange with a 7/8 inch 13-tooth SAE B shaft
360-degree rotatable output flange for improved installation clearance
Tech Specs
- Mounting Type: 6-Bolt
- Mounting Option: Deep Mount (Z)
- Gear Ratio Code: F (21/37)
- Input Gear Designator: DA
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift (A)
- Assembly Arrangement: 5
- Output Option: Rotatable SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T) (RK)
- Output Flange: 360-degree rotatable
- Housing Material: Cast Iron
- Bearing Type: Tapered cone bearings on output shaft
- Intermittent Torque (Series): 250 lb-ft (339 Nm) - check application pages for actual rating
- Output Power (Series): 46-55 HP (31-40 kW)
- Shaft Power (Series): 24 HP at 500 RPM, 48 HP at 1000 RPM
- Lubricant Type: X - No Pressure Lube
- Series: Chelsea 442
Additional Information
The RK output option on this part number is detailed in Parker document PTO-PNI-275 (RK and RJ Output Options). For transmission-specific torque ratings and full application data, consult the 442 Series Parts List (HY25-2442-M1_US) or the Chelsea Service Manual (HY25-6442-M1/US). Pro Gear and Transmission carries the Chelsea 442 Series line - call us to confirm this unit fits your specific transmission and hydraulic setup.Parts manual and diagrams: Chelsea 442 Series PTO parts list with prices
