The Chelsea 252GDHVP-B5P42 or 252GDHVPB5P42 is a hydraulic-shift power take-off from the Chelsea 252 Series, designed for Allison 1000/2000/2400 series automatic transmissions and RAM trucks equipped with the Aisin automatic transmission. It mounts via a 6-bolt pattern and delivers output through a 1-inch round shaft with a 1/4-inch key. Shaft power output is rated at 11 HP (500 RPM) and 23 HP (1,000 RPM). Intermittent torque is rated at 120 lb-ft; check application pages for confirmed torque values for your specific installation. The housing is sized to pass through a floor access panel, avoiding exhaust-system removal during installation. Call us to confirm proper fit for your application.
Features
Hydraulic shift operation with single hose connection and integrated cartridge valve
6-bolt mounting pattern for Allison 1000/2000/2400 and RAM/Aisin automatic transmissions
1-inch round output shaft with 1/4-inch key
Shaft power: 11 HP at 500 RPM, 23 HP at 1,000 RPM
Intermittent torque: 120 lb-ft (163 Nm); verify rating on application pages
Controlled Compression Interface Gasket and weather-tight electrical connectors
Tech Specs
- Shift Type: Hydraulic
- Mounting Type: 6-Bolt
- Transmission Fitment: Allison 1000/2000/2400 Series, RAM/Aisin Automatic
- Output Shaft Type: 1" Round with 1/4" Key
- Intermittent Torque: 120 lb-ft / 163 Nm (check application pages for confirmed rating)
- Output Power: 25 HP and below / 20 kW and below
- Shaft Power: 11 HP at 500 RPM; 23 HP at 1,000 RPM (9 kW at 500 RPM; 17 kW at 1,000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 252 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
