The Chelsea 489 Series Power Take-Off 489XLAHX-U3XQ or 489XLAHXU3XQ is an 8-bolt, wire/cable mechanical shift PTO built for manual transmissions including Eaton/Fuller, Volvo/Mack, and other compatible platforms. The one-piece cast iron housing bolts directly to the transmission's 8-bolt opening, eliminating the need for an adapter plate and reducing potential leak paths. Output shaft is a 1-1/4" round with key. Series intermittent torque capacity is 250 lb-ft (339 Nm); check application pages for your confirmed rating. Shaft power is 24 HP at 500 RPM and 48 HP at 1,000 RPM. Internal parts are common to the Chelsea 442 Series, and the kit-style design simplifies service. Call us to confirm proper fit for your transmission.

The Chelsea 489 Series fits a wide range of vocational applications including utility trucks, dump truck and trailer operations, snow and ice removal, and fire and rescue equipment. Eleven internal speed ratios and 27 output options are available across the 489 Series, including Chelsea's 360-degree rotatable flange with greaseable shaft to reduce pump shaft spline wear and corrosion. The series uses tapered bearings rather than needle bearings for greater load-bearing capability.
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 available in the 489 Series
1-1/4" round output shaft with key
Series intermittent torque: 250 lb-ft (339 Nm); verify actual rating on application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Kit-style construction shares internal parts with the Chelsea 442 Series for easier servicing
Tech Specs
- INTERMITTENT TORQUE: 250 lb-ft / 339 Nm (Check Application Pages for Actual Torque Ratings)
- CONTINUOUS TORQUE: De-rate torque rating 30% (Check Application Pages for Actual Torque Ratings)
- SHIFT TYPE: Wire/Cable Mechanical
- OUTPUT POWER: 46-55 HP / 31-40 kW
- SHAFT POWER: 24 HP (500 RPM), 48 HP (1000 RPM) / 18 kW (500 RPM), 36 kW (1000 RPM)
- OUTPUT SHAFT TYPE: 1-1/4" Round with Key
- MOUNTING TYPE: 8-Bolt
- TRANSMISSION MANUFACTURER: Eaton/Fuller, Volvo/Mack, Other compatible manual transmissions
- PRODUCT SERIES: 489
- LUBRICANT: X = No Pressure Lube, P = Pressure Lube
Additional Information

The Chelsea 489 Series fits a wide range of vocational applications including utility trucks, dump truck and trailer operations, snow and ice removal, and fire and rescue equipment. Eleven internal speed ratios and 27 output options are available across the 489 Series, including Chelsea's 360-degree rotatable flange with greaseable shaft to reduce pump shaft spline wear and corrosion. The series uses tapered bearings rather than needle bearings for greater load-bearing capability.
