The Chelsea 272 Series Power Take-Off Assembly, part number 272ZSFNX-P5XD or 272ZSFNXP5XD, is a 6-bolt hot-shift PTO designed for medium-duty work trucks. It mounts to transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM platforms. The 1-1/4" round output shaft includes a 5/16" key drive. Shift actuation is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series carries a continuous torque rating of up to 300 lb-ft and an intermittent rating of 201-300 lb-ft. Shaft power output reaches 57 HP at 1,000 RPM. Common applications include towing and recovery, aerial equipment, construction, and water trucks. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series Hot Shift PTO, 6-bolt mounting
1-1/4" round output shaft with 5/16" key drive
Pneumatic or PowerShift (pneumatic/hydraulic) actuation with integral air control valve
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); shaft power 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
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
- Lubricant Code (P): Pressure Lube
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
