The Chelsea 489GCAHX-A3RB or 489GCAHXA3RB is an 8-bolt PTO assembly from Chelsea's 489 Series, designed for Eaton/Fuller and Volvo/Mack transmissions, among other applications. Shift type is wire/cable mechanical. The output shaft is a 1-1/4" round (with key option available). Intermittent torque rating falls in the 201-300 lb-ft range (check Chelsea application pages for the exact figure for your setup). Output power runs 46-55 HP, with shaft power measured at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Internal parts are common with the Chelsea 442 Series, which simplifies sourcing replacement components. The kit-style design aids field serviceability. Call us at Pro Gear and Transmission to confirm this unit fits your specific transmission and application.
Features
8-bolt mounting configuration
Wire/cable mechanical shift type
1-1/4" round output shaft (keyed option available)
Intermittent torque range: 201-300 lb-ft (verify exact rating on Chelsea application pages)
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts common to Chelsea 442 Series for easier service and parts availability
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT SHAFT TYPE: 1-1/4" Round; 1-1/4" Round with Key
- INTERMITTENT TORQUE: 201-300 lb-ft (250 lb-ft nominal) / 301-400 Nm (339 Nm nominal) - Check Application Pages for Actual Torque Ratings
- OUTPUT POWER: 46-55 HP / 31-40 kW
- SHAFT POWER: 500 RPM: 24 HP (18 kW), 1000 RPM: 48 HP (36 kW)
- TRANSMISSION MANUFACTURER: Eaton/Fuller, Volvo/Mack, Other
- LUBRICANT: X = No Pressure Lube, P = Pressure Lube
Additional Information
