The Chelsea 272XBAJP-A5RK is a 272 Series hot shift power take-off assembly built on a 6-bolt mounting pattern. The 272 Series supports up to 300 lb-ft of intermittent torque and is rated for continuous-duty operation with a 30% de-rate applied. This PTO is available with pneumatic or hydraulic shift and includes an integral air control valve. Output shaft options in the 272 Series include a 1-inch round shaft with 1/4-inch key and a 1-1/4-inch round shaft with 5/16-inch key. The series supports 9 speed ratios and 18 shift configurations, covering aerial, construction, water truck, and towing and recovery applications. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Up to 300 lb-ft intermittent torque, continuous-duty rated with 30% de-rate
Pneumatic or hydraulic shift with integral air control valve
9 speed ratios and 18 shift configurations available in the 272 Series
Round shaft outputs: 1 in. with 1/4 in. key or 1-1/4 in. with 5/16 in. key
Suited for aerial, construction, towing and recovery, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque (Series): 201 to 300 lb-ft (401 to 500 Nm)
- Continuous Torque: De-rated 30% from intermittent rating
- Output Shaft Options: 1 in. round shaft with 1/4 in. key; 1-1/4 in. round shaft with 5/16 in. key
- Output Power (Series): 56+ HP (41 to 50 kW)
- Speed Ratios Available: 9
- Shift Configurations Available: 18
- NMFC Code: 128520 - Hydraulic PTOs, Pumps, Motors, etc.
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. Internal moving parts are upgraded to handle 300 lb-ft intermittently or continuously. Direct-mount output options include an optional Wet-Spline configuration for extended PTO and pump shaft service life. Driveshaft outputs include the Smart-Start feature designed for high-torque start-up conditions. Rotatable flanges allow flexible installation positioning. The 272 Series is used across aerial, construction equipment, water truck, towing and recovery, defense, and material handling markets.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
