The Chelsea 272 Series Power Take-Off Assembly, part number 272ADKUP-B3XD or 272ADKUPB3XD, is a 6-bolt hot shift PTO engineered for medium-duty commercial truck applications including aerial, towing and recovery, construction equipment, and water trucks. The 272 Series consolidates several earlier Chelsea PTO lines into a single platform, offering up to 300 lb-ft of intermittent torque and output power of 56-plus HP. It is available with pneumatic or hydraulic shift and features an integral air control valve with rotatable flanges. Direct-mount configurations offer an optional Wet-Spline output for extended component life; driveshaft output versions support Chelsea's Smart-Start option for high-torque engagement conditions. Call us to confirm proper fit and configuration for your application.
Features
Chelsea 272 Series 6-bolt hot shift PTO
Up to 300 lb-ft intermittent torque; 56-plus HP output
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Wet-Spline output option for extended PTO and pump shaft life
Smart-Start option available for high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic 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
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- Part Number: 272ADKUP-B3XD or 272ADKUPB3XD
Additional Information
The Chelsea 272 Series consolidates the earlier 230, 231, 236, 238, 270, and 271 Series PTOs into one platform. The series offers 9 speed ratios and 18 shift options, covering the most common direct-mount and driveshaft output configurations. Markets served include aerial, construction equipment, water trucks, towing and recovery, material handling, defense, and water drilling applications. Genuine Chelsea 272 Series replacement and service documentation includes the 272 Series Parts List (HY25-2272-M1_US) and the 272/282/852/885 Series Owner's Manual, available through Parker Chelsea.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
