Description
The Chelsea 489 Series Power Take-Off Assembly, part number 489XRAHX-A3RA or 489XRAHXA3RA, is a wire/cable mechanical shift PTO built on an 8-bolt mounting pattern that bolts directly to the transmission opening without an adapter plate, eliminating one potential leak path. The one-piece cast iron housing delivers the same intermittent torque capacity as the 442 Series. Output shaft is a 1-1/4″ round with key. Shaft power is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Compatible with Eaton/Fuller, Volvo/Mack, and a range of other manual transmissions. Strong tapered bearings replace needle bearings for greater load-bearing capability. Call us to confirm proper fit for your application.
Features
8-bolt integral cast iron housing mounts directly to transmission opening, no adapter plate required
Wire/cable mechanical shift with electric-over-air shift option available in the 489 Series
1-1/4″ round output shaft with key
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Tapered bearings for greater load-bearing capability compared to needle-bearing designs
Kit-style construction shares internal parts with the Chelsea 442 Series for easier service and parts commonality
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt (direct mount to transmission, no adapter plate)
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT SHAFT TYPE: 1-1/4″ Round with Key
- INTERMITTENT TORQUE: 201-300 lb-ft (301-400 Nm) — check application pages for actual torque rating
- OUTPUT POWER: 46-55 HP (31-40 kW)
- SHAFT POWER: 24 HP (18 kW) at 500 RPM; 48 HP (36 kW) at 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 part number decode)






