The Chelsea 272KSJKX-15XD or 272KSJKX15XD is a 272 Series hot shift power take-off assembly built on a 6-bolt mounting pattern. The 272 Series supports intermittent torque up to 300 lb-ft and continuous output rated at 56+ HP, making it a capable choice across aerial, construction, water truck, and towing and recovery applications. Shift options include pneumatic (air) and hydraulic, and the series integrates an air control valve as standard. Output shaft configurations cover round shaft with 1-inch and 1-1/4-inch keyway options. The 272 Series consolidates earlier Chelsea 230, 231, 236, 238, 270, and 271 designs into a single platform with nine speed ratios and eighteen shift options. Call us to confirm proper fit for your transmission and application.
Features
6-bolt mounting pattern for direct transmission installation
Hot shift operation with pneumatic or hydraulic shift options
Integral air control valve included
Intermittent torque rating up to 300 lb-ft (401-500 Nm); output power 56+ HP
Nine available speed ratios across the 272 Series platform
Smart-Start option available for high-torque start-up conditions; Wet-Spline option available for extended output shaft life
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Type: Round Shaft (1 in. with 1/4 in. key) or Round Shaft (1-1/4 in. with 5/16 in. key)
- Speed Ratios: 9 available across series
- Shift Options: 18 configurations across series
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272KSJKX-15XD or 272KSJKX15XD
Additional Information
The Chelsea 272 Series consolidates six earlier Chelsea PTO series: the 230, 231, 236, 238, 270, and 271. This unified platform covers the most popular direct-mount and driveshaft output configurations. Direct-mount versions offer an optional Wet-Spline output for extended service life on the PTO and pump shaft. Driveshaft output configurations can include the Smart-Start feature, which handles high-torque engagement conditions. The 272 Series is used across aerial work platforms, construction equipment, water trucks, towing and recovery vehicles, defense, and material handling applications. For transmission compatibility and gear ratio selection, contact Pro Gear and Transmission before ordering.Parts manual and diagrams: Chelsea 272 Series PTO parts list with prices
