The Chelsea 489 Series Power Take-Off, part number 489XFAHX-P5XY or 489XFAHXP5XY, is a mechanical-shift PTO built for manual transmissions with an 8-bolt mounting aperture, including Eaton Fuller, Mack, and Tremec applications. The one-piece cast iron housing bolts directly to the transmission opening without an adapter plate, eliminating a potential leak path. Output is via a 1-1/4-inch round keyed shaft. The 489 Series carries an intermittent torque rating of 201-300 lb-ft and shaft power of 24 HP at 500 RPM or 48 HP at 1,000 RPM. Internal parts are common to the Chelsea 442 Series, keeping service straightforward. Call us to confirm proper fit for your application.
Features
8-bolt one-piece cast iron housing mounts directly to the transmission opening, no adapter plate required
Wire/cable mechanical shift operation
1-1/4-inch round keyed output shaft
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts common to the Chelsea 442 Series for simplified service
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- Output Shaft Type: Round Shaft, 1-1/4 in. 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
- Lubricant Designation: P = Pressure Lube
- Product Series: 489
- Compatible Transmissions: Eaton Fuller, Mack, Tremec (8-bolt aperture)
Additional Information
The Chelsea 489 Series PTO is suited for vocational applications including utility trucks, dump trucks, snow and ice removal equipment, and fire and rescue vehicles. The kit-style design makes field service accessible, and tapered bearings replace needle bearings for improved load-bearing capability. The 489 Series offers twenty-seven output configurations and eleven internal speed ratios, giving this unit flexibility across a wide range of installations. For technical reference, Parker publishes the 489 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6489-M1/US) through their Product Support section.Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
