R56559 REPLACEMENT HYD PUMP 850B LOADER Fits Case
R56559 REPLACEMENT HYD PUMP 850B LOADER Fits Case
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One New Aftermarket Replacement Hydraulic Pump Fits Case (Fits Case IH) Crawler Dozers and Crawler Loaders
This aftermarket replacement hydraulic pump Fits Case (Fits Case IH) 850-series crawler dozers and 855-series crawler loaders. It is a Vickers-type pump that powers the machine's hydraulic system, providing pressure for blade movement, steering, and lifting functions. Replaces OEM part numbers R56559, R37951, R37951-A, and R54149.
Compatible Models
Fits Case Crawler Dozers: 850B (1976-1984), 850C (1981-1984), 850D (1985-1994)
Fits Case Crawler Loaders / Construction & Industrial: 855C (1984), 855D (1985-1994)
Fits Case Loader / Backhoe Attachments: 35 (1980-1983), 35C WL (1988-1994), 35WL (1988-1994)
Replaces Part Number(s):
R56559, R37951, R37951-A, R54149
Aftermarket Interchange Numbers
S305-33EJ53-R (Vickers-type replacement)
New aftermarket replacement part - not remanufactured, not used.
