Chelsea part number 272KDJKX-B3RK or 272KDJKXB3RK is a 272 Series hot shift power take-off from Parker Chelsea. The 272 Series consolidates several earlier medium-duty PTO lines into one platform, with continuous torque capability up to 300 lb-ft (407 Nm) and intermittent torque in the 201-300 lb-ft (401-500 Nm) range. The 6-bolt mounting pattern fits a broad range of transmissions including Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM applications. Output is a 1-1/4" round shaft with a 5/16" key. Shift is pneumatic or PowerShift (pneumatic/hydraulic), with an integral air control valve included. Output power runs 56+ HP at rated speed. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series 6-bolt hot shift PTO, part number 272KDJKX-B3RK or 272KDJKXB3RK
Continuous torque up to 300 lb-ft (407 Nm); intermittent torque 201-300 lb-ft (401-500 Nm)
1-1/4" round output shaft with 5/16" key
Pneumatic or PowerShift (pneumatic/hydraulic) shift with integral air control valve
Compatible transmission manufacturers include Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, and RAM
Output power rated at 56+ HP (41-50 kW); shaft power 57 HP at 1,000 RPM
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
- Shift Type: Pneumatic or 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
- Compatible Transmissions: Allison, Eaton/Fuller, Ford, Aisin, Volvo/Mack, RAM
Additional Information
The Chelsea 272 Series consolidates earlier medium-duty hot shift PTO families including the 230, 231, 236, 238, 270, and 271 Series into a single platform. The series offers nine speed ratios, eighteen shift options, and a choice of direct-mount or driveshaft outputs. Direct-mount configurations are available with the optional Wet-Spline feature for extended PTO and pump shaft service life. Driveshaft output configurations can include the Smart Start option, designed for high-torque start-up conditions. The rotatable flange design aids installation flexibility across multiple transmission applications. Typical markets include aerial work platforms, construction equipment, water trucks, and towing and recovery.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
