Features
8-bolt one-piece cast iron housing mounts directly to transmission opening, eliminating the adapter plate and reducing potential leak paths
Wire/cable mechanical shift; Electric over Air shift option also available in the 489 Series
1-1/4" round output shaft with keyway; greaseable output options available 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
Internal parts are common to the Chelsea 442 Series, simplifying parts sourcing and service
Kit-style design makes field service straightforward; tapered bearings used in place of needle bearings for increased load capacity
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt (direct-mount, no adapter plate required)
- Shift Type: Wire/Cable Mechanical
- Output Shaft Type: 1-1/4" Round with Key
- Intermittent Torque: 201-300 lb-ft (301-400 Nm); series rating 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 (see part number suffix)
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, Tremec, and other manual transmissions with 8-bolt PTO aperture
Additional Information
Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) - exploded views, item numbers and the full parts breakdown for this series.