Product Description
8859980 Hydraulic Pump for Hydro-Ax Forestry Equipment - New Replacement Unit
The 8859980 hydraulic pump is a new replacement unit designed for use on a variety of Hydro-Ax forestry machines and wheeled feller buncher applications. Hydraulic systems on forestry equipment operate under constant stress from heavy attachments, long operating hours, uneven terrain, and demanding cutting conditions. A properly functioning hydraulic pump is critical for maintaining smooth hydraulic response, dependable attachment operation, and consistent machine performance in the field.
This replacement pump is intended for customers searching for a dependable alternative to the original Hydro-Ax 8859980 hydraulic pump assembly. The unit is built to meet or exceed OEM specifications and is designed to support proper hydraulic oil flow and operating pressure for compatible applications.
Hydraulic Pump Function in Forestry Equipment
On Hydro-Ax wheeled feller bunchers, the hydraulic pump serves as one of the central components of the machine's hydraulic system. The pump supplies hydraulic pressure needed for multiple operating functions throughout the machine. Depending on machine configuration, hydraulic demand may include steering functions, drive systems, boom movement, cutting head operation, lifting functions, and auxiliary hydraulic circuits.
As hydraulic pumps wear over time, operators may begin experiencing reduced hydraulic efficiency, slower cycle times, increased operating temperatures, inconsistent hydraulic response, or unusual pump noise. Replacing a worn hydraulic pump can help restore machine performance and reduce costly downtime during forestry operations.
Product Information
| Part Number | 8859980 |
| Condition | New Aftermarket Replacement |
| Product Type | Hydraulic Pump |
| Equipment Category | Forestry / Logging Equipment |
| Manufacturer Reference | Hydro-Ax |
| OEM Reference Number | 8859980 |
Common Equipment References
This hydraulic pump has commonly been associated with Hydro-Ax wheeled feller buncher applications and related forestry equipment series.
| Manufacturer | Equipment Type | Series References |
|---|---|---|
| Hydro-Ax | Wheeled Feller Bunchers | 311B, 411EX, 511B, 511EX, 611EX, 621B, 670 and related series |
Cross Reference Information
| Reference Type | Number |
|---|---|
| OEM Number | 8859980 |
| Alternate Reference | 8859980-FLT |
Application Verification Recommended
Hydraulic pump configurations can vary depending on machine serial number, production year, hydraulic system revisions, mounting style, shaft configuration, port orientation, and previous repairs performed on the equipment. Before purchasing, customers should carefully compare the existing pump with the replacement unit and verify all specifications using the machine's parts manual, OEM documentation, or original part number.
It is strongly recommended to confirm the exact application before ordering to help ensure proper fitment for your specific Hydro-Ax machine.
Additional Information
This is a brand new aftermarket hydraulic pump and is not a remanufactured or previously used component. The unit is intended for customers needing a replacement hydraulic pump for forestry equipment repair, preventative maintenance, hydraulic system restoration, or machine rebuild projects.
The 8859980 hydraulic pump is in stock and ready for shipment.
