The Chelsea 489 Series Power Take-Off Assembly, part number 489GHAHX-V5XD or 489GHAHXV5XD, is a wire/cable mechanical shift PTO built on an 8-bolt mounting pattern for direct fitment to most manual transmissions, including Eaton/Fuller, Volvo/Mack, and Tremec units. The one-piece cast iron housing eliminates the need for an adapter plate, reducing mounting time and potential leak paths. Output shaft is a 1-1/4" round with key. The 489 Series delivers 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 shared with the Chelsea 442 Series, and the kit-style design supports straightforward field service. Call us to confirm proper fit for your transmission and application.

The Chelsea 489 Series is used across aerial, vocational, and municipal equipment applications including utility trucks, dump trucks, snow and ice removal vehicles, and fire and rescue apparatus. The kit-style PTO design allows individual internal components to be replaced in the field. Greaseable output options are available to reduce pump shaft spline fretting and corrosion. With eleven internal speed ratios and multiple shift options across the 489 Series, confirm your specific configuration against your transmission model before ordering - call Pro Gear and Transmission if you need help matching the right unit to your chassis.
Features
Product Series: Chelsea 489
Mounting Type: 8-bolt, one-piece cast iron housing - no adapter plate required
Shift Type: Wire/Cable Mechanical
Output Shaft: 1-1/4" round with key
Intermittent Torque: 201-300 lb-ft (301-400 Nm) - check application pages for actual rating
Shaft Power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Fits most manual transmissions including Eaton/Fuller, Volvo/Mack, and Tremec
Internal parts common to the Chelsea 442 Series
Tech Specs
- PRODUCT SERIES: 489
- MOUNTING TYPE: 8-Bolt (one-piece cast iron housing, 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 (check application pages for actual torque ratings)
- SHAFT POWER: 24 HP at 500 RPM, 48 HP at 1,000 RPM (18 kW at 500 RPM, 36 kW at 1,000 RPM)
- OUTPUT POWER: 46-55 HP / 31-40 kW
- TRANSMISSION COMPATIBILITY: Eaton/Fuller, Volvo/Mack, Tremec, and other manual transmissions with 8-bolt PTO opening
- LUBRICANT: X = No Pressure Lube, P = Pressure Lube
Additional Information

The Chelsea 489 Series is used across aerial, vocational, and municipal equipment applications including utility trucks, dump trucks, snow and ice removal vehicles, and fire and rescue apparatus. The kit-style PTO design allows individual internal components to be replaced in the field. Greaseable output options are available to reduce pump shaft spline fretting and corrosion. With eleven internal speed ratios and multiple shift options across the 489 Series, confirm your specific configuration against your transmission model before ordering - call Pro Gear and Transmission if you need help matching the right unit to your chassis.
