The Chelsea 489 Series Power Take-Off Assembly, part number 489ZHDAX-A5XY or 489ZHDAXA5XY, mounts directly to 8-bolt manual transmission openings on Eaton Fuller, Mack, Tremec, and other compatible transmissions. The one-piece cast iron housing eliminates the adapter plate found on earlier designs, reducing potential leak paths and installation time. The 489 Series delivers intermittent torque in the 201-300 lb-ft range and shaft power of 24 HP at 500 RPM or 48 HP at 1,000 RPM. The 1-1/4" round output shaft accepts a key for positive drive engagement. Strong tapered bearings replace needle bearings for greater load-bearing capability. Internal parts are common to the Chelsea 442 Series, keeping service parts readily available. Call us to confirm proper fit for your transmission and application.
The Chelsea 489 Series is suited for utility trucks, dump trucks, snow and ice removal equipment, and fire and rescue vehicles. The series offers 27 output configurations including a 360-degree rotatable flange with a greaseable shaft to reduce pump shaft spline fretting and corrosion. Eleven internal speed ratios and multiple shift options are available across the 489 Series lineup. For parts and service reference, consult the 489 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6489-M1/US). This unit is also referenced under distributor part number SP489ZHDAX-A5XY.
Features
8-bolt one-piece cast iron housing mounts directly to transmission opening, no adapter plate required
Wire/cable mechanical shift with electric-over-air shift option available
1-1/4" round output shaft with key for secure pump or accessory drive engagement
Intermittent torque rating 201-300 lb-ft; shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Tapered bearings for greater load capacity compared to needle-bearing designs
Kit-style construction with internal parts common to the Chelsea 442 Series simplifies service
Tech Specs
- Product Series: 489
- Mounting Type: 8-Bolt
- 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 rating
- 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
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other 8-bolt manual transmissions
- Lubricant: X = No Pressure Lube; P = Pressure Lube
Additional Information
The Chelsea 489 Series is suited for utility trucks, dump trucks, snow and ice removal equipment, and fire and rescue vehicles. The series offers 27 output configurations including a 360-degree rotatable flange with a greaseable shaft to reduce pump shaft spline fretting and corrosion. Eleven internal speed ratios and multiple shift options are available across the 489 Series lineup. For parts and service reference, consult the 489 Series Parts List (HY25-2442-M1_US) and the Chelsea Service Manual (HY25-6489-M1/US). This unit is also referenced under distributor part number SP489ZHDAX-A5XY.
