The Chelsea 489 Series Power Take-Off Assembly, part number 489KFAHX-H3XK or 489KFAHXH3XK, mounts directly to 8-bolt transmission openings on manual transmissions including Eaton Fuller, Mack, and Tremec applications. The one-piece cast iron housing eliminates the adapter plate used in earlier designs, reducing potential leak paths and cutting installation time. Wire/cable mechanical shift is standard on this unit, with an electric-over-air shift option also available in the 489 Series. Output is through a 1-1/4" round shaft with key, rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Intermittent torque capacity matches the Chelsea 442 Series at 250 lb-ft. Internal components are common to the 442 Series, keeping parts availability straightforward. Call us to confirm proper fit for your transmission and application.
Features
8-bolt one-piece cast iron housing mounts directly to transmission without an adapter plate
Wire/cable mechanical shift; electric-over-air shift option available in the 489 Series
1-1/4" round output shaft with key
Intermittent torque rating of 250 lb-ft, matching the Chelsea 442 Series capacity
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts common to the 442 Series for simplified service and parts sourcing
Kit-style design simplifies field service; greaseable output options available
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt (direct mount, no adapter plate required)
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT SHAFT TYPE: 1-1/4" Round with Key
- INTERMITTENT TORQUE: 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- CONTINUOUS TORQUE: De-rate intermittent rating by 30% (check application pages for actual torque ratings)
- OUTPUT POWER: 46-55 HP / 31-40 kW
- SHAFT POWER: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- TRANSMISSION COMPATIBILITY: Eaton/Fuller, Volvo/Mack, and other manual transmissions with 8-bolt PTO aperture
- LUBRICANT: X = No Pressure Lube, P = Pressure Lube (see model code)
Additional Information
