Magister Hydraulics CI58K-A02-085L Hydraulic Gear Pump

The CI58K-A02-085L is a cast iron hydraulic gear pump designed for open-center hydraulic systems. It features a displacement of 0.85 cubic inches per revolution (13.93 cc/rev) with a SAE A 2-bolt mounting flange and a 5/8 inch straight keyed shaft. The pump rotates counter-clockwise (CCW) when viewed from the shaft end. Port configuration includes an SAE 12 (1-1/16-12 UN-2B) inlet port and an SAE 10 (7/8-14 UNF-2B) outlet port. Maximum continuous working pressure is rated at 3200 PSI (220 bar) with a peak pressure capability of 3900 PSI (270 bar). Operational speed range is 600 to 3500 RPM, delivering a flow range of 3 to 12 GPM (11 to 45 L/min) depending on speed and pressure. This unit serves as a direct replacement for OEM part numbers 51331148, 95174200, and R277683 used in Case IH and New Holland machinery.