The Chelsea 272XAAJP-G5RY is a 272 Series hot shift power take-off assembly built on a 6-bolt mounting pattern. The 272 Series supports intermittent torque up to 300 lb-ft and is available with either pneumatic or hydraulic shift. This series consolidates earlier Chelsea medium-duty PTO lines, including the 230, 231, 236, 238, 270, and 271 series, into a single flexible platform. It comes with an integral air control valve, rotatable flanges, and an optional wet-spline output for extended PTO and pump shaft service life. Output shaft options across the series include round shaft configurations with 1-1/4 in. - 5/16 in. key or 1 in. - 1/4 in. key. Common applications include aerial, construction equipment, towing and recovery, and water trucks. Call us to confirm proper fit for your application.
Features
Chelsea 272 Series 6-bolt hot shift PTO assembly
Intermittent torque rating up to 300 lb-ft (401-500 Nm)
Pneumatic or hydraulic shift with integral air control valve
Rotatable flanges for flexible installation
Wet-spline option available for extended PTO and pump shaft life
Smart-Start option supports high-torque start-up conditions
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Pneumatic or Hydraulic
- Intermittent Torque: 201-300 lb-ft (401-500 Nm)
- Output Power: 56+ HP (41-50 kW)
- Output Shaft Options: Round Shaft (1 in. - 1/4 in. key) or Round Shaft (1-1/4 in. - 5/16 in. key)
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
Additional Information
The Chelsea 272 Series replaces and consolidates the earlier 230, 231, 236, 238, 270, and 271 series medium-duty hot shift PTOs. The 272 platform offers nine speed ratios and eighteen shift options. Applications span aerial equipment, construction machinery, towing and recovery vehicles, and water trucks. The wet-spline direct mount option reduces wear on PTO and pump shaft splines during continuous operation. The Smart-Start feature manages engagement under high-torque start-up loads. Part number 272XAAJP-G5RY is also referenced as SP272XAAJP-G5RY. NMFC classification 128520 applies (Hydraulic PTOs, Pumps, Motors, etc.).Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
