The Chelsea 489 Series Power Take-Off Assembly, part number 489XQAHX-S5XK or 489XQAHXS5XK, is a wire/cable mechanical shift PTO built for 8-bolt transmission openings on Eaton/Fuller, Volvo/Mack, and other compatible manual transmissions. Its one-piece cast iron housing bolts directly to the transmission aperture, eliminating the need for an adapter plate and reducing potential leak paths. Intermittent torque rating for the 489 Series is 250 lb-ft (339 Nm), matching the capacity of the 442 Series. Output shaft is a 1-1/4" round with key. Shaft power delivery is 24 HP at 500 RPM and 48 HP at 1,000 RPM. Internal parts are common to the Chelsea 442 Series, simplifying service inventory. Call us to confirm proper fit for your transmission and application.
The Chelsea 489 Series fits vocational applications including utility trucks, dump trucks, snow and ice removal equipment, and fire and rescue vehicles. The series offers 27 output options, including Chelsea's 360-degree rotatable flange with greaseable shaft to reduce pump shaft spline fretting and corrosion. Eleven internal speed ratios are available across the 489 Series lineup. For detailed parts and service information, refer to the 489 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6489-M1/US).
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 within the 489 Series
Intermittent torque rating of 250 lb-ft (339 Nm) for the 489 Series
Output shaft: 1-1/4" round with key; greaseable output options available
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Internal parts common to the Chelsea 442 Series for simplified servicing
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable Mechanical
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other manual transmissions with 8-bolt PTO opening
- Output Shaft Type: 1-1/4" Round with Key
- Intermittent Torque (Series Rating): 250 lb-ft / 339 Nm (verify actual rating on Chelsea application pages)
- Continuous Torque: De-rate intermittent rating by 30% (verify on Chelsea application pages)
- Output Power: 46-55 HP / 31-40 kW
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Lubricant: X = No Pressure Lube, P = Pressure Lube
Additional Information
The Chelsea 489 Series fits vocational applications including utility trucks, dump trucks, snow and ice removal equipment, and fire and rescue vehicles. The series offers 27 output options, including Chelsea's 360-degree rotatable flange with greaseable shaft to reduce pump shaft spline fretting and corrosion. Eleven internal speed ratios are available across the 489 Series lineup. For detailed parts and service information, refer to the 489 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6489-M1/US).
