The Chelsea 272LPFNX-A5XD is a 6-bolt hot-shift power take-off assembly from the Chelsea 272 Series, a medium-duty PTO line that consolidates the earlier 230, 231, 236, 238, 270, and 271 series into a single platform. This unit runs a 1-1/4" round output shaft with a 5/16" key and shifts pneumatically via an integral air control valve. Intermittent torque is rated at 201-300 lb-ft (401-500 Nm); continuous torque is rated at 300 lb-ft (407 Nm) per application-page de-rating. Output power reaches 56+ HP (41-50 kW), with shaft power of 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmission manufacturers include Ford, Aisin, Volvo/Mack, Allison, RAM, and Eaton/Fuller. Common applications include aerial, construction equipment, towing and recovery, and water trucks. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic (air) shift with integral air control valve
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Continuous torque rating: 300 lb-ft (407 Nm) - verify on application pages
Compatible with Ford, Aisin, Volvo/Mack, Allison, RAM, and Eaton/Fuller transmissions
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 300 lb-ft (407 Nm) - check application pages for actual rating
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" round with 5/16" key
- Shift Type: Pneumatic / PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmissions: Ford, Aisin, Volvo/Mack, Allison, RAM, Eaton/Fuller
Additional Information
The Chelsea 272 Series consolidates several earlier medium-duty PTO lines - the 230, 231, 236, 238, 270, and 271 series - into one platform. The 272 Series offers nine speed ratios and 18 shift options. Direct-mount configurations are available with optional Wet-Spline technology for extended PTO and pump shaft life. Driveshaft output variants include the Smart-Start feature designed for high-torque start-up conditions. Flanges are rotatable for flexible installation. Typical markets served include aerial, construction equipment, towing and recovery, and water trucks.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
