The Chelsea 272 Series Power Take-Off Assembly, part number 272GCHVP-B5RB or 272GCHVPB5RB, is a 6-bolt hot-shift PTO built for medium-duty truck applications. It features a 1-1/4" round output shaft with a 5/16" key and accepts either pneumatic or PowerShift (pneumatic/hydraulic) engagement. The 272 Series carries a continuous torque rating up to 300 lb-ft and intermittent torque in the 201-300 lb-ft range. Shaft power reaches 57 HP at 1,000 RPM. Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM, among others. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into one platform, making it a versatile fit for aerial, towing and recovery, construction, and water truck applications. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot-shift PTO platform
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) engagement
Continuous torque up to 300 lb-ft; intermittent torque rated 201-300 lb-ft
57 HP shaft power at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM transmissions
Integral air control valve included; rotatable flanges
Tech Specs
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- 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)
- 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.
