The Chelsea 272 Series Power Take-Off Assembly, part number 272XBAJP-B3BD or 272XBAJPB3BD, is a 6-bolt hot-shift PTO designed for medium-duty applications across towing and recovery, aerial, construction, and water truck equipment. It features a 1-1/4" round output shaft with a 5/16" key and supports pneumatic or PowerShift (pneumatic/hydraulic) engagement. Continuous torque capability reaches 300 lb-ft (407 Nm), with intermittent torque rated at 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP (41-50 kW). The 272 Series is compatible with a broad range of transmission manufacturers including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Call us to confirm proper fit for your transmission and 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 operation
Intermittent torque rating: 201-300 lb-ft (401-500 Nm)
Continuous torque rating: 300 lb-ft (407 Nm) - verify actual rating on Chelsea application pages
Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: 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
- Output Power: 56+ HP (41-50 kW)
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1000 RPM: 57 HP (43 kW)
- Compatible Transmission Manufacturers: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, Other
Additional Information
Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
