The Chelsea 272DDKUP-G3RK or 272DDKUPG3RK is a 272 Series 6-bolt hot shift power take-off assembly built for medium-duty demanding work cycles. It mounts via a 6-bolt flange and delivers a 1-1/4" round output shaft with a 5/16" key. Shift actuation is pneumatic, with PowerShift (pneumatic/hydraulic) capability, and the integral air control valve is included. Continuous torque capacity reaches 300 lb-ft (407 Nm); intermittent torque is rated 201-300 lb-ft (401-500 Nm). Output power exceeds 56 HP (41-50 kW), with shaft power measuring 29 HP at 500 RPM and 57 HP at 1,000 RPM. Compatible transmission manufacturers include Ford, Aisin, Volvo/Mack, Allison, RAM, and Eaton/Fuller. Call us to confirm proper fitment for your specific transmission and application.
Features
272 Series 6-bolt mounting flange for broad transmission compatibility
1-1/4" round output shaft with 5/16" key
Pneumatic and PowerShift (pneumatic/hydraulic) shift options with integral air control valve
Continuous torque rating: 300 lb-ft (407 Nm); intermittent torque: 201-300 lb-ft (401-500 Nm)
Output power: 56+ HP (41-50 kW); shaft power 29 HP at 500 RPM, 57 HP at 1,000 RPM
Compatible with Ford, Aisin, Volvo/Mack, Allison, RAM, and Eaton/Fuller 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 with 5/16" key
- Output Power: 56+ HP, 41-50 kW
- Shift Type: Pneumatic, PowerShift (Pneumatic/Hydraulic)
- Shaft Power: 29 HP (21 kW) at 500 RPM; 57 HP (43 kW) at 1,000 RPM
- Compatible Transmissions: Ford, Aisin, Volvo/Mack, Allison, RAM, Eaton/Fuller
Additional Information
Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
