The Chelsea 442 Series Power Take-Off, part number 442XFAHX-A5AZ or 442XFAHXA5AZ, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including tow trucks, dump trucks, service trucks, and small aerial trucks. The cast iron housing and tapered cone bearings on the output shaft deliver an intermittent torque rating in the 201-300 lb-ft range and output power of 46-55 HP. The output shaft is a round shaft with a 1-1/4" key. Shift type is wire/cable mechanical. The 442 Series supports eleven internal speed ratios and up to thirty-six output configurations, including a 360-degree rotatable flange for improved clearance. A genuine Chelsea part, sold by Pro Gear and Transmission.
Features
6-bolt mounting for compatibility 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 (339 Nm); output power: 46-55 HP
Round output shaft with 1-1/4" key
Wire/cable mechanical shift type
Rotatable output flange supports 360-degree positioning for clearance flexibility
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: Round Shaft with 1-1/4" Key
- Intermittent Torque: 201-300 lb-ft (301-400 Nm range); 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- 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
- Lubricant Type: No Pressure Lube (X designation)
- Product Series: 442
Additional Information
The Chelsea 442 Series supports eleven internal speed ratios and thirty-six output options, including Chelsea's 360-degree rotatable flange. Typical vocational applications include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. Parker Chelsea documents for this series include the 442 Series Parts List (HY25-2442-M1_US), the Chelsea Service Manual (HY25-6442-M1/US), and the 442 Series Sales Literature.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
