The Chelsea 489 Series Power Take-Off, part number 489DRMBX-56RK or 489DRMBX56RK, is a mechanical-shift PTO built for manual transmissions with an 8-bolt mounting aperture, including Eaton Fuller, Mack, and Tremec applications. The integral 8-bolt cast iron housing eliminates the need for an adapter plate, reducing potential leak paths and cutting mounting time. The 489 Series carries an intermittent torque rating of 201-300 lb-ft and delivers output power in the 46-55 HP range. Tapered bearings replace needle bearings for improved load-bearing capability. Shift type is wire/cable mechanical. Output shaft is a 1-1/4" round shaft with key. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 489 Series PTO, part number 489DRMBX-56RK or 489DRMBX56RK
8-bolt integral cast iron housing mounts directly to transmission opening without an adapter plate
Wire/cable mechanical shift operation
1-1/4" round output shaft with key
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Output power range: 46-55 HP (31-40 kW)
Tapered bearings for greater load-bearing capability versus needle bearings
Fits manual transmissions including Eaton Fuller, Mack, and Tremec with 8-bolt PTO aperture
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: 1-1/4" Round Shaft with Key
- Intermittent Torque: 201-300 lb-ft (301-400 Nm)
- Output Power: 46-55 HP (31-40 kW)
- Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
- Compatible Transmissions: Eaton Fuller, Mack, Tremec (8-bolt aperture manual transmissions)
- Product Series: Chelsea 489
Additional Information
The Chelsea 489 Series is suited for vocational and municipal equipment applications including utility trucks, dump trucks and trailers, snow and ice removal, and fire and rescue vehicles. Internal components are common to the Chelsea 442 Series, simplifying parts inventory for mixed fleets. The kit-style design makes field servicing straightforward. Greaseable output options are available within the 489 Series to reduce pump shaft spline fretting and corrosion. The 489 Series Parts List is published as document HY25-2442-M1_US, and the Chelsea 489 Series Service Manual is HY25-6489-M1/US, both available through Parker's Product Support section.Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
