Cat 266-7953 170-9918 Swing Pump Assembly Basic Part Information Part Numbers 266-7953, 170-9918 Part Name Hydraulic Swing Pump Assembly (Axial Piston Pump) Type Variable Displacement Axial Piston Pump Compatible Engine Caterpillar C18 Engine Applicable Equipment Models Caterpillar 385C, 385C L, 385C FS, 385C L MH Caterpillar 390D, 390D L Cross Reference & Replacement Parts OEM Equivalent Numbers 266-7953, 170-9918, 10R-3223 Aftermarket Replacement R986110157 (Bosch Rexroth) Key Application Function Provides high-pressure hydraulic flow for upper structure swing operation of Cat 385C and 390D heavy excavators, ensures stable and efficient rotation performance. Related Hydraulic Components Swing Motor Assembly Swing Relief Valves Hydraulic Control Valves Hydraulic Hoses & Fittings Related Part Numbers NO P.N. NAME 1 708-2L-41230 708-2L-41230 Main Hydraulic Pump for Komatsu PC200-8K 2 6245-11-8120 Komatsu 6245-11-8120 O-Ring SAA6D170 Engine Valve Cover Seal 3 6152-32-2510 Komatsu Piston 6152-32-2510 - WA470-3 PC400-7 S6D125E/SA6D125E Engine 4 6240-61-1106 Komatsu PC1250-7 Water Pump 6240-61-1106 5 600-815-9650 Komatsu Heater 600-815-9650 for HD785-7 rigid dump truck 6 10R-0529 Cat 10R-0529 Swing Pump for Caterpillar 5110B Excavator 7 6240-81-5215 Komatsu PC1250-8 Wiring Harness Assembly 6240-81-5215 6240-81-5932 8 3T-4449 3T-4449 Final Drive Assembly for CAT D7R Bulldozer 9 708-2G-00620 708-2G-00620 708-2G-00320 Main Pump for Komatsu PC400-8 PC450-8 Excava... 10 293-0429 Fuel Pump GP 293-0429 for Caterpillar (CAT) Heavy-Duty Engines & M... 11 4439384 Hitachi EX1900/2500/2600/3600/5500 Swing Motor 4439384 4439491 12 708-1S-00970 708-1S-00970 708-7S-00550 Fan Pump Motor for Komatsu WA470-6 Wheel Loa... 13 SAA6D170E-5 21N-38-00082 PTO Assembly for Komatsu PC1250-8 SAA6D170E-5 Excavator 14 708-1L-00800 Komatsu PC1250-8 Fan Pump 708-1L-00800 15 419-18-31102 419-18-31102 HST Main Hydraulic Pump for Komatsu WA320-5 WA320-6 Wheel... 16 6240-21-8100 Komatsu PC1250SP-8R Bearing 6240-21-8100 17 708-1H-00231 Komatsu 708-1H-00231 Hydraulic Main Pump for D85-15 Crawler Dozer 18 708-2K-00113 Komatsu PC800-8 Hydraulic Pump 708-2K-00113 19 260-6650 260-6650 Final Drive Assembly for CAT D6R LGP Bulldozer 20 421-20-24510 Komatsu Transmission Axle Assembly 421-20-24510 for WA420-3 21 326-4635 326-4635 10R-7662 Fuel Injection Pump for CAT 320D C6.4 22 708-1L-00800 708-1L-00800 Fan Pump Assembly for Komatsu PC1250-8/PC1250-11 23 706-7K-01230 Komatsu PC1250 PC2000 Swing Motor 706-7K-01230 706-7K-01140 24 7835-34-1008 Komatsu Monitor 7835-34-1008 - PC390LC-8M0 Cab Display 25 708-2L-00760 708-2L-00760 HPV165 Main Hydraulic Pump for Komatsu PC750-8 PC800-8 26 627-1304 Caterpillar 627-1304 Hydraulic Pump Main Pump for E395GC 27 708-2K-00113 708-2K-00113 Main Hydraulic Pump for Komatsu PC850-8 PC800-8 Excavator
