Description
The Chelsea 489XCITX-A5RB or 489XCITXA5RB is a 489 Series Power Take-Off assembly built for 8-bolt manual transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible transmissions. Its one-piece cast iron housing bolts directly to the transmission without an adapter plate, reducing potential leak paths. The 489 Series carries an intermittent torque rating of 201-300 lb-ft (301-400 Nm), with an actual intermittent value up to 250 lb-ft (339 Nm) depending on application. Output shaft is a 1-1/4″ round with keyway. Shaft power is 24 HP at 500 RPM and 48 HP at 1000 RPM. This unit uses wire/cable mechanical shift. Internal parts are common to the Chelsea 442 Series. A genuine Chelsea part sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
8-Bolt one-piece cast iron housing mounts directly to compatible manual transmissions without an adapter plate
Wire/cable mechanical shift; Electric over Air shift option also available
1-1/4″ round output shaft with keyway
Intermittent torque: 201-300 lb-ft (301-400 Nm); check application pages for actual rating
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Internal parts common to the Chelsea 442 Series; greaseable output options for reduced spline fretting and corrosion
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 Keyway
- INTERMITTENT TORQUE: 201-300 lb-ft / 301-400 Nm (check application pages for actual torque ratings)
- SHAFT POWER: 24 HP at 500 RPM; 48 HP at 1000 RPM (18 kW at 500 RPM; 36 kW at 1000 RPM)
- OUTPUT POWER: 46-55 HP / 31-40 kW
- TRANSMISSION COMPATIBILITY: Eaton/Fuller, Volvo/Mack, and other 8-bolt manual transmissions
- LUBRICANT: This unit coded X = No Pressure Lube








