The Chelsea 442 Series Power Take-Off, part number 442GRAHX-A5GQ or 442GRAHXA5GQ, is a 6-bolt mounted PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. The 442 Series uses a cast iron housing with tapered cone bearings on the output shaft, delivering an intermittent torque rating in the 201-300 lb-ft range. Shift type is air shift. The series offers a round shaft output. Output power spans 46-55 HP at the shaft, with 24 HP at 500 RPM and 48 HP at 1,000 RPM. Greaseable output shafts support extended service life. Call us to confirm proper fit for your transmission application.
Features
Chelsea 442 Series, 6-bolt mounting compatible with standard transmission bolt patterns
Cast iron housing with tapered cone bearings on the output shaft
Air shift type
Greaseable SAE B 2 or 4-bolt flange output with a 7/8" 13-tooth SAE B shaft
Intermittent torque rating 201-300 lb-ft (check application pages for actual rating)
Shaft output: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Tech Specs
- Mounting Type: 6-Bolt
- Mounting Option: Standard Mount with Metric Studs (G)
- Gear Ratio Code: R (22/24)
- Input Gear Designator: AH
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift (A)
- Assembly Arrangement: 5
- Output Option: Greaseable SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T), Rotated 90 Degrees (GQ)
- Intermittent Torque: 201-300 lb-ft (339 Nm) - Check Application Pages for Actual Rating
- Continuous Torque: De-rate torque rating 30% - Check Application Pages for Actual Rating
- Shaft Power: 24 HP (500 RPM) / 48 HP (1,000 RPM)
- Output Power: 46-55 HP
- Product Series: 442
Additional Information
The Chelsea 442 Series is designed to work with virtually all existing 6-bolt transmission applications. Thirty-six output options and eleven internal speed ratios are available across the 442 Series lineup, along with ten shift configurations including Chelsea's 360-degree rotatable flange output. Typical vocational applications include dump trucks, tow trucks, service trucks, and light aerial units. For series documentation, Parker Chelsea publishes the 442 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6442-M1/US). Call Pro Gear and Transmission to confirm the correct 442 Series configuration for your specific transmission and application.Parts manual and diagrams: Chelsea 442 Series PTO parts list with prices
