The Chelsea 489 Series Power Take-Off Assembly, part number 489XFAHX-H5XK or 489XFAHXH5XK, fits most manual transmissions with an 8-bolt PTO mounting aperture, including Eaton/Fuller, Volvo/Mack, and Tremec. The one-piece cast iron housing bolts directly to the transmission opening without an adapter plate, cutting potential leak paths and reducing installation time. Intermittent torque capacity for the 489 Series is 250 lb-ft (339 Nm), matching the Chelsea 442 Series. Output power runs 46-55 HP (31-40 kW), with shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. The 1-1/4" round output shaft accommodates a keyed configuration. Shift is wire/cable mechanical. Internal parts are common to the 442 Series, simplifying parts stocking. Call us to confirm proper fit for your transmission and 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
250 lb-ft (339 Nm) intermittent torque capacity, matching the Chelsea 442 Series rating
1-1/4" round output shaft with keyed configuration; greaseable output options available
Kit-style design with internal parts common to the 442 Series for easier servicing and parts interchangeability
Compatible with Eaton/Fuller, Volvo/Mack, Tremec, and other manual transmissions with an 8-bolt PTO aperture
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt
- 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
- Continuous Torque: De-rate intermittent rating by 30% - Check Application Pages for Actual Torque 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
- Lubricant: X = No Pressure Lube, P = Pressure Lube
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Tremec, and other manual transmissions with 8-bolt aperture
Additional Information
Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) - exploded views, item numbers and the full parts breakdown for this series.
