The Chelsea 272 Series Power Take-Off Assembly, part number 272XCAJP-B3RB or 272XCAJPB3RB, is a 6-bolt hot-shift PTO with a 1-1/4" round output shaft keyed with a 5/16" key. It shifts pneumatically or via PowerShift (pneumatic/hydraulic) and carries a continuous torque rating up to 300 lb-ft (407 Nm), with intermittent torque in the 201-300 lb-ft (401-500 Nm) range. 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 transmissions span Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers. The 272 Series consolidates several earlier Chelsea medium-duty hot-shift PTO lines into one platform. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift options
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Output power 56+ HP (41-50 kW); 29 HP at 500 RPM, 57 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Tech Specs
- Intermittent Torque: 201-300 lb-ft / 401-500 Nm
- Continuous Torque: Up to 300 lb-ft / 407 Nm (check application pages for actual torque ratings)
- 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: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
