The Chelsea 272 Series Power Take-Off Assembly, part number 272KSJKX-P5RK or 272KSJKXP5RK, is a hot-shift, 6-bolt PTO designed for medium-duty commercial truck applications. It mounts to transmissions from Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, among others. The output shaft is a 1-1/4" round shaft with a 5/16" key. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series carries intermittent torque ratings of 201-300 lb-ft (401-500 Nm) and a continuous torque rating of 300 lb-ft (407 Nm), verify actual ratings on the Chelsea application pages for your specific installation. Typical markets include aerial, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fitment for your application.
Features
6-bolt mounting pattern for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air control valve
Intermittent torque: 201-300 lb-ft (401-500 Nm); continuous torque: up to 300 lb-ft (407 Nm), confirm on Chelsea application pages
Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Smart-Start option available for high-torque start-up conditions in towing, aerial, and construction applications
Tech Specs
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Continuous Torque: Up to 300 lb-ft (407 Nm), check Chelsea application pages for actual rating
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" round shaft with 5/16" key
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1,000 RPM: 57 HP (43 kW)
- 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.
