Description
The Chelsea 489 Series Power Take-Off, part number 489XSDBX-A3SQ or 489XSDBXA3SQ, mounts directly to an 8-bolt transmission opening on manual transmissions from Eaton/Fuller, Volvo/Mack, Tremec, and others. The one-piece cast iron housing eliminates the need for an adapter plate, removing a potential leak path and cutting installation time. Shift type is wire/cable mechanical. Output is via a 1-1/4″ round shaft (keyway option available). Intermittent torque capacity for the 489 Series is 201-300 lb-ft (301-400 Nm), matching the 442 Series rating. Shaft power is 24 HP at 500 RPM and 48 HP at 1,000 RPM. Internal parts are common to the Chelsea 442 Series, making bench service straightforward. A genuine Chelsea part available from Pro Gear and Transmission. 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; electric-over-air shift option also available in the 489 Series
1-1/4″ round output shaft (keyway option available); greaseable output options to reduce spline fretting and corrosion
Intermittent torque rating: 201-300 lb-ft (301-400 Nm); shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Strong tapered bearings instead of needle bearings for greater load-bearing capability
Kit-style construction with internal parts common to the Chelsea 442 Series simplifies service
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 (301-400 Nm)
- CONTINUOUS TORQUE: De-rate intermittent rating by 30% (check application pages for actual ratings)
- 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, Tremec, and other manual transmissions with 8-bolt PTO aperture
- LUBRICANT: X = No Pressure Lube; P = Pressure Lube





