The Chelsea 272 Series PTO Assembly, part number 272KKJKX-V3BD or 272KKJKXV3BD, is a 6-bolt hot shift power take-off designed for medium-duty vocational applications including aerial, construction equipment, towing and recovery, and water trucks. The 272 Series supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and delivers 56 or more horsepower output. Shift options include pneumatic (air) and hydraulic configurations. The series features an integral air control valve, rotatable flanges, and an optional Wet-Spline output for extended PTO and pump shaft life. The Smart Start option accommodates high-torque start-up conditions. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration for medium-duty hot shift applications
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP (41 to 50 kW)
Pneumatic (air) or hydraulic shift with integral air control valve
Rotatable flanges and optional Wet-Spline output for extended service life
Smart Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic (Air) or Hydraulic
- Intermittent Torque: 201 to 300 lb-ft (401 to 500 Nm)
- Output Power: 56+ HP (41 to 50 kW)
- Output Shaft Options: Round Shaft 1 in. with 1/4 in. key; Round Shaft 1-1/4 in. with 5/16 in. key
- Integral Air Control Valve: Yes
- Wet-Spline Option: Available
- Smart Start Option: Available
Additional Information
The Chelsea 272 Series consolidates and replaces the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs into a single versatile platform. The 272 Series offers nine speed ratios and eighteen shift options. Markets served include aerial, construction equipment, towing and recovery, water trucks, defense, material handling, and water drilling. Reference documentation includes the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual, available from Parker Chelsea. Part number also referenced as SP272KKJKX-V3BD.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
