The Chelsea 272RBKUP-B3RB or 272RBKUPB3RB is a 272 Series medium-duty hot-shift power take-off assembly featuring a 6-bolt mounting configuration and a 1-1/4" round output shaft with a 5/16" key. Shift options include pneumatic (air) and PowerShift (pneumatic/hydraulic), with an integral air control valve included. The 272 Series supports continuous torque up to 300 lb-ft (407 Nm) and intermittent torque in the 201-300 lb-ft range. Shaft power output is rated at 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmissions span multiple manufacturers including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting configuration for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic (air) and PowerShift (pneumatic/hydraulic) shift options
Integral air control valve included
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
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
- Shift Type: Pneumatic (Air) and PowerShift (Pneumatic/Hydraulic)
- Output Power: 56+ HP (41-50 kW)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Transmission Compatibility: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM, and other manufacturers
Additional Information
Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
Equivalent PTOs:
- MuncieCS6B-I8404-G1KPNot listed online. Call 877-776-4600 or request a quote.
Matched by full model number. Check the mounting, input gear and output against the unit you are replacing before you order. Look up any Chelsea, Muncie or Bezares number on our Muncie to Chelsea PTO cross reference.
