The Chelsea 442 Series Power Take-Off, part number 442XXARX-A3XK or 442XXARXA3XK, is a 6-bolt mount PTO designed for compatibility with a wide range of heavy-duty transmission applications. The 442 Series uses a cast iron housing with tapered cone bearings on the output shaft, characteristics that contribute to the series' intermittent torque ratings in the 201-300 lb-ft range and output power of 46 to 55 HP. Shift is air shift. The series includes a round shaft output. Typical applications for the 442 family include dump trucks, tow trucks, service trucks, and aerial units. A genuine Chelsea part, available from Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 442 Series, 6-bolt transmission mount
Cast iron housing with tapered cone bearings on output shaft
Air shift type
SAE B 2 or 4-bolt flange output with a 7/8" 13-tooth SAE B shaft
Intermittent torque rating: 201-300 lb-ft (series range; verify actual rating for your application)
Suitable for dump trucks, service trucks, tow trucks, and aerial applications
Tech Specs
- Mounting Type: 6-Bolt
- Mounting Option: Standard Mount (X)
- Gear Ratio Code: X (38/21)
- Input Gear Designator: AR
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift (A)
- Assembly Arrangement: 3
- Output Option: SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T) (XK)
- Housing Material: Cast Iron
- Output Bearings: Tapered Cone
- Intermittent Torque (Series): 201-300 lb-ft / 301-400 Nm (verify actual rating for your application)
- Output Power (Series): 46-55 HP / 31-40 kW
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Additional Information
Parts manual and diagrams: Chelsea 442 Series PTO parts list with prices
