The Chelsea 272KKJKX-V5BD is a 272 Series 6-bolt hot shift power take-off assembly, available with hydraulic or pneumatic shift. 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. Output shaft options within the 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 offers nine speed ratios and eighteen shift configurations, with rotatable flanges for flexible installation. Designed for aerial, construction, towing and recovery, and water truck applications. Call us to confirm the exact ratio and shift configuration for your application.
Features
272 Series 6-bolt mounting configuration
Hot shift operation with hydraulic or pneumatic shift options
Integral air control valve included
Up to 300 lb-ft intermittent torque capacity, continuous-duty rated with 30% de-rate
Rotatable flanges for flexible mounting orientation
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque (Series): 201-300 lb-ft (401-500 Nm)
- Output Shaft Options (Series): 1-inch round shaft with 1/4-inch key; 1-1/4-inch round shaft with 5/16-inch key
- Output Power (Series): 56+ HP (41-50 kW)
- Speed Ratios Available (Series): 9
- Shift Configurations Available (Series): 18
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Series into a single, updated platform. The 272KKJKX-V5BD or 272KKJKXV5BD carries an NMFC classification of 128520 (Hydraulic PTOs, Pumps, Motors, etc.). Typical application markets include aerial equipment, construction, towing and recovery, water trucks, material handling, and defense. The Wet-Spline option extends PTO and pump shaft service life on direct-mount configurations, and the Smart-Start option addresses high-torque start-up demands on driveshaft output setups.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
