The Chelsea 272 Series PTO assembly, part number 272NBHVP-H5RK or 272NBHVPH5RK, is a 6-bolt hot shift power take-off designed for medium-duty truck applications. Part of the 272 Series, it supports intermittent torque ratings from 201 to 300 lb-ft (401-500 Nm) and output power of 56+ HP. The 272 Series consolidates Chelsea's earlier 230, 231, 236, 238, 270, and 271 series into a single versatile platform, offering nine speed ratios and eighteen shift configurations. Available with pneumatic or hydraulic shift, the series features an integral air control valve and rotatable flanges. Typical applications include aerial work platforms, towing and recovery vehicles, construction equipment, and water trucks. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series 6-bolt mounting configuration
Hot shift operation with pneumatic or hydraulic shift options
Intermittent torque rating: 201 to 300 lb-ft (401 to 500 Nm)
Output power: 56+ HP
Integral air control valve included
Rotatable flanges for flexible installation
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic (Hot Shift)
- 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 inch with 1/4 inch key, or Round Shaft 1-1/4 inch with 5/16 inch key
- Speed Ratios Available: 9
- Shift Configurations Available: 18
- Dimensions (H x W x L): 15 x 12 x 14 in.
Additional Information
The Chelsea 272 Series was developed to consolidate and replace the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. The 272 Series adds Wet-Spline technology on direct-mount outputs for extended PTO and pump shaft service life, and the Smart-Start option for high-torque start-up conditions on driveshaft outputs. Common vocational uses include aerial equipment, towing and recovery, construction machinery, and water trucks. Part number 272NBHVP-H5RK is also referenced as SP272NBHVP-H5RK.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
