The Chelsea 489 Series Power Take-Off Assembly, part number 489XSAHX-W3XD or 489XSAHXW3XD, is an 8-bolt PTO designed for manual transmissions including Eaton Fuller, Mack, and Tremec platforms. The one-piece cast iron housing bolts directly to the 8-bolt transmission opening, eliminating the need for an adapter plate and reducing potential leak paths. Wire/cable mechanical shift type with intermittent torque rated at 250 lb-ft (339 Nm) - consult application pages for actual torque ratings specific to your installation. Output shaft is a 1-1/4" round with key. Shaft power measures 24 HP at 500 RPM and 48 HP at 1,000 RPM, with output power in the 46-55 HP range. Internal parts are common with the Chelsea 442 Series, and greaseable output options are available. Call us to confirm proper fit for your application.
Features
8-bolt one-piece cast iron housing mounts directly to transmission opening - no adapter plate required
Wire/cable mechanical shift type; electric over air shift option available
Intermittent torque: 250 lb-ft (339 Nm) - check application pages for actual ratings
Output shaft: 1-1/4" round with key
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts common to Chelsea 442 Series; kit-style design simplifies service
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt (direct to transmission, no adapter plate)
- 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)
- 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)
- LUBRICANT: X = No Pressure Lube, P = Pressure Lube
- TRANSMISSION COMPATIBILITY: Eaton/Fuller, Volvo/Mack, and other manual transmissions with 8-bolt PTO opening
Additional Information
