hot sale New CAT 390 E390 Hydraulic Pump Excavator Main Pump 593-3841 5933841

Engine Compatibility:

Matches CAT C18 ACERT engines (404–405 kW / 542–543 hp) used in E390/E390GC models.

Hydraulic Fluid:

Requires ISO VG 46 anti-wear hydraulic oil (CAT TO-4 standard) for optimal lubrication.

Service Intervals:

Oil/filter replacement: Every 1,000 hours.

Seal/coupling inspection: Every 2,000 hours.

Warranty:

12 months/1,500 hours for OEM parts (manufacturing defects); 6–12 months for aftermarket replacements.