The Chelsea 272GAHVP-K3RK is a 272 Series 6-bolt hot shift power take-off assembly, also referenced as 272GAHVPK3RK. The 272 Series consolidates several earlier Chelsea medium-duty PTO lines into one platform rated for up to 300 lb-ft of intermittent torque with continuous-duty capability. The series supports both pneumatic and hydraulic shift and includes an integral air control valve. Output shaft options across the series include round shaft configurations with 1-inch or 1-1/4-inch keyway sizing. Rotatable flanges and an optional Wet-Spline output extend pump and shaft service life. The 272 Series is applied in aerial, construction, towing and recovery, and water truck markets. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 272 Series 6-bolt hot shift PTO Assembly
Up to 300 lb-ft intermittent torque capacity
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 (Series): 201 to 300 lb-ft (401 to 500 Nm)
- Output Power (Series): 56+ HP (41 to 50 kW)
- Output Shaft Type (Series): Round Shaft - 1 in. with 1/4 in. key, or 1-1/4 in. with 5/16 in. key
- Lubricant Codes: X = No Pressure Lube, P = Pressure Lube, W = Wet Spline
- NMFC Classification: 128520 - Hydraulic PTOs, Pumps, Motors, etc.
Additional Information
The Chelsea 272 Series replaces and consolidates the earlier 230, 231, 236, 238, 270, and 271 Series medium-duty hot shift PTOs. With nine available speed ratios and eighteen shift options, the 272 platform covers a broad range of direct mount and driveshaft output configurations. Typical market applications include aerial work platforms, construction equipment, towing and recovery, and water trucks. The Smart Start feature supports high-torque engagement conditions common in demanding mobile hydraulic systems. Part number 272GAHVP-K3RK is sold by Pro Gear and Transmission. Call us to confirm the right fit for your transmission model and hydraulic system requirements.Parts Manual: Chelsea 272 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
