The Chelsea 272 Series Power Take-Off Assembly, part number 272XKDAX-A5XD or 272XKDAXA5XD, is a 6-bolt hot-shift PTO designed for medium-duty applications including towing and recovery, aerial work, construction equipment, and water trucks. It mounts with a 6-bolt pattern and delivers a 1-1/4" round output shaft with a 5/16" keyway. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series supports continuous torque up to 300 lb-ft and intermittent torque in the 201-300 lb-ft range. Output power exceeds 56 HP. Shaft power is rated at 29 HP at 500 RPM and 57 HP at 1,000 RPM. Call us to confirm proper fit for your transmission application.
Features
Chelsea 272 Series hot-shift PTO, part number 272XKDAX-A5XD or 272XKDAXA5XD
6-bolt transmission mounting pattern
1-1/4" round output shaft with 5/16" keyway
Pneumatic or PowerShift (pneumatic/hydraulic) engagement with integral air control valve
Continuous torque rated up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft
Shaft power: 29 HP at 500 RPM, 57 HP at 1,000 RPM; output power 56+ HP
Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
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 or 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.
