The Chelsea 489DAMAX-56XY is an 8-bolt Power Take-Off unit from the Chelsea 489 Series, designed to bolt directly to the 8-bolt transmission opening on most manual transmissions including Eaton Fuller, Mack, and Tremec. The one-piece cast iron housing eliminates the need for an adapter plate, removing a potential leak path. The 489 Series delivers intermittent torque of 201-300 lb-ft and output power of 46-55 HP, with wire/cable mechanical shift and a 1-1/4" round keyed output shaft. Eleven internal speed ratios and 27 output options make this a versatile PTO for vocational, municipal, and utility applications. Sold by Pro Gear and Transmission.
Features
8-bolt one-piece cast iron housing bolts directly to transmission opening, no adapter plate required
Intermittent torque rating: 201-300 lb-ft (301-400 Nm)
Output power: 46-55 HP (31-40 kW)
Wire/cable mechanical shift
1-1/4" round keyed output shaft
Fits most manual transmissions including Eaton Fuller, Mack, and Tremec
Strong tapered bearings for greater load-bearing capability vs. needle bearings
Tech Specs
- Series: Chelsea 489
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable, Mechanical
- 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 1000 RPM
- Output Shaft Type: Round Shaft, 1-1/4" Key
- Compatible Transmissions: Eaton Fuller, Mack, Tremec (8-bolt manual transmissions)
- Applications: Utility Trucks, Snow and Ice Removal, Fire and Rescue, Dump Truck and Trailer
Additional Information
The Chelsea 489 Series shares internal parts with the Chelsea 442 Series and offers the same 250 lb-ft torque capacity. Twenty-seven output options are available, including Chelsea's 360-degree rotatable flange with greaseable shaft to help reduce pump shaft spline fretting and corrosion. The 489 Series is documented under parts list HY25-2442-M1_US and service manual HY25-6489-M1/US. Also referenced as SP489DAMAX-56XY.Parts Manual: Chelsea 489 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
