The Chelsea 272 Series Power Take-Off Assembly, part number 272XMAJX-P5RB or 272XMAJXP5RB, is a 6-bolt hot shift PTO from Parker Chelsea's medium-duty lineup. The 272 Series supports up to 300 lb-ft of intermittent torque and consolidates the 230, 231, 236, 238, 270, and 271 series into a single, more versatile platform. It is available with hydraulic or pneumatic shift and includes an integral air control valve. Output shaft options in the 272 Series include round shaft configurations with key drives. The pressure lube designation in this part number indicates lubrication routing suited to demanding continuous-duty cycles. Common applications for this series include aerial work platforms, towing and recovery, construction equipment, and water trucks. Call us to confirm proper fitment for your transmission and truck configuration.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Up to 300 lb-ft intermittent torque capability
Hydraulic or pneumatic shift with integral air control valve
Pressure lube configuration (P designation in part number)
Consolidates and replaces 230, 231, 236, 238, 270, and 271 series PTOs
Suited for aerial, towing and recovery, construction, and water truck applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Hydraulic or Pneumatic (Air)
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Lubrication: Pressure Lube (P designation)
- Output Shaft Type: Round Shaft with Key Drive
- Series: Chelsea 272 Series Hot Shift PTO
Additional Information
The Chelsea 272 Series was designed to consolidate several earlier medium-duty PTO series, including the 230, 231, 236, 238, 270, and 271, into a single platform with nine available speed ratios and eighteen shift configurations. The series offers direct mount outputs with optional Wet-Spline technology for extended PTO and pump shaft service life, and driveshaft outputs with Smart-Start capability for high-torque engagement conditions. Rotatable flanges allow flexible installation across a range of transmission and vehicle configurations. This part number, 272XMAJX-P5RB, carries the P (Pressure Lube) designation. The 272 Series is used across aerial, construction equipment, towing and recovery, water truck, defense, material handling, and water drilling markets.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
