The Chelsea 489 Series Power Take-Off, part number 489GQAHX-A3GK or 489GQAHXA3GK, mounts directly to the 8-bolt transmission opening on most manual transmissions including Eaton Fuller, Volvo, Mack, and Tremec applications. The one-piece cast iron housing eliminates the adapter plate found on some competing designs, removing a common leak path. Intermittent torque capacity for the 489 Series is 250 lb-ft (339 Nm), matched to the 442 Series. Shaft power is rated at 24 HP at 500 RPM and 48 HP at 1000 RPM. The 1-1/4" round output shaft accepts a key. Wire/cable mechanical shift is standard on this unit, with an electric-over-air option available in the series. Internal components are common to the Chelsea 442 Series, simplifying parts sourcing. Call us to confirm proper fit for your transmission.
Features
8-bolt one-piece cast iron housing mounts directly to transmission opening without an adapter plate
Wire/cable mechanical shift; electric-over-air shift option also available in the 489 Series
1-1/4" round output shaft with keyway
Intermittent torque capacity: 250 lb-ft (339 Nm) series rating
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Internal parts common to Chelsea 442 Series for easier serviceability; kit-style design for field service
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt (direct to transmission, no adapter plate)
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT SHAFT TYPE: 1-1/4" Round with Key
- INTERMITTENT TORQUE: 250 lb-ft / 339 Nm (series rating; check application pages for actual torque ratings)
- CONTINUOUS TORQUE: De-rate intermittent rating by 30% (check application pages for actual ratings)
- SHAFT POWER: 24 HP (500 RPM) / 48 HP (1000 RPM)
- OUTPUT POWER: 46-55 HP / 31-40 kW
- TRANSMISSION COMPATIBILITY: Eaton Fuller, Volvo, Mack, Tremec (8-bolt aperture)
- LUBRICATION: X suffix = No Pressure Lube; P suffix = Pressure Lube
Additional Information
