The Chelsea 272 Series Power Take-Off Assembly, part number 272NDHVP-G5XD or 272NDHVPG5XD, is a 6-bolt hot shift PTO built for medium-duty truck applications. It mounts via a 6-bolt pattern and delivers output through a 1-1/4" round shaft with a 5/16" key. Shift actuation is pneumatic or PowerShift (pneumatic/hydraulic). Intermittent torque capacity runs 201-300 lb-ft (401-500 Nm), with continuous torque rated at 300 lb-ft (407 Nm) subject to application-specific de-rating. Output power is rated at 56+ HP (41-50 kW). Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM platforms. Call us to confirm proper fit for your application.
Features
6-Bolt mounting pattern for medium-duty transmission fitment
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) engagement
Intermittent torque: 201-300 lb-ft (401-500 Nm)
Continuous torque: up to 300 lb-ft (407 Nm) - verify rating on application pages
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: 300 lb-ft (407 Nm) - check application pages for actual rating
- Mounting Type: 6-Bolt
- Output Shaft Type: 1-1/4" round shaft with 5/16" key
- Output Power: 56+ HP (41-50 kW)
- Shaft Power at 500 RPM: 29 HP (21 kW); at 1,000 RPM: 57 HP (43 kW)
- Shift Type: Pneumatic or PowerShift (Pneumatic/Hydraulic)
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
- Dimensions (H x W x L): 15.75" x 12.5" x 14"
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single platform. The series offers 9 speed ratios and 18 shift options. Rotatable flanges allow flexible installation positioning. The Wet-Spline option (where applicable by part configuration) is designed to extend PTO and pump shaft service life. For high-torque start-up conditions, the Smart-Start option is available within the 272 Series. Typical application markets include towing and recovery, aerial work, construction equipment, and water trucks. Part number 272NDHVP-G5XD is also referenced as 272NDHVPG5XD.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
