The Chelsea 272 Series Power Take-Off Assembly, part number 272MBAJP-P5XD or 272MBAJPP5XD, is a medium-duty hot-shift PTO built for demanding mobile equipment applications. It mounts via a 6-bolt flange and accepts pneumatic or PowerShift (pneumatic/hydraulic) engagement. The output shaft is a 1-1/4" round shaft with a 5/16" key. Continuous torque capacity reaches 300 lb-ft (407 Nm); intermittent torque is rated at 201-300 lb-ft (401-500 Nm). At 1,000 RPM, shaft power output is 57 HP (43 kW). Compatible transmissions include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM applications. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into one platform. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting flange for broad transmission compatibility
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
1-1/4" round output shaft with 5/16" key
Continuous torque rating up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
Shaft power output: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
Fits Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
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 shaft 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)
- Shaft Power at 1,000 RPM: 57 HP (43 kW)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
