The Chelsea 272 Series Power Take-Off Assembly, part number 272KBJKX-A3BD or 272KBJKXA3BD, is a 6-bolt hot shift PTO designed for medium-duty commercial truck applications. The 272 Series supports up to 300 lb-ft intermittent torque and is available with hydraulic or pneumatic air shift, making it a direct consolidation of the earlier 230, 231, 236, 238, 270, and 271 Series PTOs. Rotatable flanges and an integral air control valve are built in. The series covers aerial, construction equipment, water truck, and towing and recovery applications. Call us to confirm proper fit for your transmission and application before ordering.
Features
Chelsea 272 Series 6-bolt hot shift PTO Assembly
Up to 300 lb-ft intermittent torque capability
Hydraulic or pneumatic (air) shift options available
Integral air control valve included
Rotatable flanges for flexible installation
Consolidates and replaces Chelsea 230, 231, 236, 238, 270, and 271 Series PTOs
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque Rating: 201-300 lb-ft (401-500 Nm)
- Output Shaft Options: Round Shaft 1 in. with 1/4 in. key, or Round Shaft 1-1/4 in. with 5/16 in. key
- Output Power: 56+ HP (41-50 kW)
- Lubricant Options: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- NMFC Code: 128520 (Hydraulic PTOs, Pumps, Motors)
Additional Information
The Chelsea 272 Series consolidates six prior medium-duty hot shift PTO lines into one platform. Direct mount configurations are available with optional Wet-Spline technology for extended PTO and pump shaft service life. Driveshaft output configurations include the Smart-Start option, engineered for high-torque start-up conditions. Typical markets include aerial work platforms, construction equipment, water trucks, towing and recovery, and defense and material handling. Part number 272KBJKX-A3BD is also referenced as SP272KBJKX-A3BD in some catalog systems.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
