Construction Machinery: Crawler-Mounted Loader Caterpillar

Model Type of pump Overflow valve pressure Pump bandwidth Lifting time Unloading time Lowering time
983 14823.7 kPa - 2150 lb / sq. inch 520 l/min - 137.4 gal/min 7.7 sec 1.4 sec 3.2 sec
977L 7.8 sec 1.6 sec 3.4 sec
973C Hydrostatic drive/piston 19000 kPa - 2755 lb / sq. inch 335 l/min - 88.5 gal/min 6.7 sec 5.1 sec 2.9 sec
973 LGP 7.4 sec 1.4 sec 2.6 sec
973 7.4 sec 1.4 sec 2.6 sec
963D Hydraulic system of Closed Center Load Sensing System (CLSS) 27500 kPa - 3989 lb / sq. inch 209 l/min - 55.2 gal/min 5.7 sec 1.3 sec 3.7 sec
963C VANE 20994.5 kPa - 3045 lb / sq. inch 215 l/min - 56.8 gal/min 6.6 sec 1.3 sec 2.1 sec
963 LGP 6.2 sec 1.3 sec 2.3 sec
963 vane pumps 18960.6 kPa - 2750 lb / sq. inch 204 l/min - 53.9 gal/min 6.2 sec 1.3 sec 2.3 sec
955L 6.6 sec 1.6 sec 3.2 sec
955K sec sec sec
953D Hydrostatic drive pumps 27500 kPa - 3990 lb / sq. inch 140 l/min - 30.8 gal/min 5.9 sec 1.3 sec 2 sec
953C WH piston pump
953C VANE 24000.6 kPa - 3481 lb / sq. inch 120 l/min - 31.7 gal/min 6.9 sec 1.3 sec 2.6 sec
953 LGP 7.4 sec 1.5 sec 3 sec
953 7.4 sec 1.5 sec 3 sec
943 LGP 7.2 sec 1.6 sec 2.2 sec
943 vane pumps 20946.3 kPa - 3038 lb / sq. inch 93 l/min - 24.6 gal/min 7.2 sec 1.6 sec 2.2 sec
941B vane pumps 17236.9 kPa - 2500 lb / sq. inch 105 l/min - 27.7 gal/min 6.7 sec 2.5 sec 2.2 sec
939C gear type pump 19820 kPa - 2875 lb / sq. inch 133 l/min - 35 gal/min 5.6 sec 2.4 sec 2.9 sec
935C serie II 6.3 sec 2.2 sec 3.5 sec
933C LGP with open center, parallel system 19820 kPa - 2874.7 lb / sq. inch 103 l/min - 27.2 gal/min 5.8 sec 1.7 sec 2 sec
933C with open center, parallel system 19820 kPa - 2874.7 lb / sq. inch 103 l/min - 27.2 gal/min 8.8 sec 1.7 sec 2 sec
931C serie II LGP Gear type pump with single section 17236.9 kPa - 2500 lb / sq. inch 85.9 l/min - 22.7 gal/min 6 sec 2.7 sec 3.1 sec
931C serie II Gear type pump with single section 17236.9 kPa - 2500 lb / sq. inch 85.9 l/min - 22.7 gal/min 6 sec 2.7 sec 3.1 sec
931B LGP Gear type pump with single section 17236.9 kPa - 2500 lb / sq. inch 84 l/min - 22.2 gal/min 6.1 sec 1.4 sec 3.5 sec
931B Gear type pump with single section 17236.9 kPa - 2500 lb / sq. inch 87 l/min - 23 gal/min 6.1 sec 1.4 sec 3.5 sec
931 LGP Gear type pump with single section 17236.9 kPa - 2500 lb / sq. inch 84 l/min - 22.2 gal/min 6.1 sec 1.3 sec 3.5 sec
931 6.1 sec 1.3 sec 3.5 sec