Description
The Chelsea 489 Series PTO Assembly, part number 489GRITX-W3GF or 489GRITXW3GF, is a wire/cable mechanical shift power take-off built for 8-bolt manual transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. The one-piece cast iron housing bolts directly to the 8-bolt aperture, eliminating the adapter plate and reducing potential leak paths. Output is through a 1-1/4″ round shaft (with key option), rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM, with an intermittent torque rating of 201-300 lb-ft for the 489 Series. Internal parts are common to the 442 Series, making service straightforward. This unit uses no-pressure lubrication (X designation) and features greaseable output options. Call us to confirm proper fit for your application.
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 available within the 489 Series
1-1/4″ round output shaft with key; greaseable output options help reduce spline fretting and corrosion
Shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM
Intermittent torque range: 201-300 lb-ft (301-400 Nm) for the 489 Series
Kit-style design with internal parts common to the 442 Series simplifies servicing
Tech Specs
- PRODUCT SERIES: 489
- SHIFT TYPE: Wire/Cable Mechanical
- MOUNTING TYPE: 8-Bolt
- OUTPUT SHAFT TYPE: 1-1/4″ Round / 1-1/4″ Round with Key
- INTERMITTENT TORQUE: 201-300 lb-ft (301-400 Nm) — Check Application Pages for Actual Torque Ratings
- OUTPUT POWER: 46-55 HP (31-40 kW)
- SHAFT POWER: 24 HP at 500 RPM / 48 HP at 1,000 RPM (18 kW at 500 RPM / 36 kW at 1,000 RPM)
- LUBRICANT: X = No Pressure Lube; P = Pressure Lube
- TRANSMISSION COMPATIBILITY: Eaton/Fuller, Volvo/Mack, and other manual transmissions with 8-bolt PTO aperture








