The Chelsea 348 Series Power Take-Off, part number 348XFAHX-V4XD or 348XFAHXV4XD, is a single low-speed forward and reverse PTO built for demanding mobile applications including oil field and logging work. The 8-bolt mounting flange mounts directly to compatible Eaton/Fuller, Volvo/Mack, and other manual transmissions without an adapter plate. Shift is accomplished via wire/cable mechanical actuation. The 1-1/4" round output shaft with key delivers up to 38 HP at 1,000 RPM (28 kW) and carries an intermittent torque rating up to 200 lb-ft (271 Nm), verify actual torque against Chelsea application pages for your specific transmission. The cast iron housing and ball bearing output are built for continuous-duty use with a 30% de-rating. Call us to confirm proper fit for your application.

The Chelsea 348 Series is rated for oil field and logging duty. Continuous operation is supported with a 30% torque de-rating applied. The flexible shift design allows the shift cylinder to be positioned for maximum clearance in the vehicle's PTO bay. A variety of input gear options are available across the 348 Series to cover most manual transmission applications.
Features
8-bolt mounting flange fits compatible Eaton/Fuller, Volvo/Mack, and other manual transmissions without an adapter plate
Wire/cable mechanical shift actuation
1-1/4" round output shaft with key
Intermittent torque up to 200 lb-ft (271 Nm), confirm actual rating on Chelsea application pages
Shaft power: 19 HP (500 RPM) / 38 HP (1,000 RPM)
Removable cover plate allows backlash adjustment in the field
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Intermittent Torque: Up to 200 lb-ft / 271 Nm (check Chelsea application pages for actual torque rating)
- Output Power: 36-45 HP / 21-30 kW
- Shaft Power: 19 HP at 500 RPM / 38 HP at 1,000 RPM (14 kW at 500 RPM / 28 kW at 1,000 RPM)
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other (8-bolt aperture)
- Continuous Operation: Yes, with 30% de-rating
- Housing: Cast iron
- Output Type: Driveline
Additional Information

The Chelsea 348 Series is rated for oil field and logging duty. Continuous operation is supported with a 30% torque de-rating applied. The flexible shift design allows the shift cylinder to be positioned for maximum clearance in the vehicle's PTO bay. A variety of input gear options are available across the 348 Series to cover most manual transmission applications.
Parts manual and diagrams: Chelsea 348 Series PTO parts list with prices
