CASE > HEAVY EQUIPMENT > CRAWLER EXCAVATORS > DROTT > (35EC) - DROTT SERIES-B CRAWLER EXCAVATOR (1/69-12/77) > (07) - HYDRAULIC SYSTEM

(073) - TRACK BRAKE HYDRAULICS (075) - INNER BRAKE SWIVEL, (TRACK) (076) - TRACK SERVICE BRAKE SWIVEL (077) - TRACK BRAKE VALVE AND CONTROL LINKAGE (078) - TRACK BRAKE VALVE (079) - TRACK BRAKE (081) - TRACK BRAKE CYLINDER, * (USED ON UNITS WITH SERIAL NUMBER 300 THRU 6266044) (081A) - TRACK BRAKE CYLINDER, (USED ON UNITS WITH SERIAL NUMBER 6266045 AND AFTER) (083) - LEVELER HYDRAULICS, (USED ON UNITS WITH SERIAL NUMBER 300 THRU 596) (085) - LEVELER HYDRAULICS, (USED ON UNITS WITH SERIAL NUMBER 597 AND AFTER.) (093) - WRIST-O-TWIST HYDRAULICS (094) - AUXILIARY BOOM HYDRAULICS (096) - RESERVOIR TO PUMP TO MAIN VALVE HYDRAULICS (098) - MAIN VALVE TO RESERVOIR AND COOLER HYDRAULICS (101) - CROWD CYLINDER HYDRAULICS FOR "Y" BOOM (103) - CROWD CYLINDER HYDRAULICS FOR "E" BOOM (105) - TOOL CYLINDER HYDRAULICS FOR "Y" BOOM (107) - TOOL CYLINDER HYDRAULICS FOR "E" BOOM (109) - HOIST CYLINDER HYDRAULICS (111) - SWING MOTOR HYDRAULICS (112) - UPPER TRACK MOTOR DRIVE HYDRAULICS (113) - LOWER TRACK DRIVE MOTOR HYDRAULICS (115) - DRAIN HYDRAULICS (117) - HOIST AND CROWD CYLINDER, (6.53" ID X 45.50" STROKE) (119) - HOIST AND CROWD CYLINDER, (6.53" ID X 45.50" STROKE) (121) - HOIST AND CROWD CYLINDER, (6.53" ID X 45.50" STROKE) (123) - TOOL CYLINDER, (5.50" ID X 35.10" STROKE) (125) - WRIST-O-TWIST CYLINDER, (6.25" ID X 4.46" STROKE) (126) - LEVELER CYLINDER, (6.25" ID X 4.70" STROKE) (127) - 7-PORT HYDRAULIC SWIVEL AND MOUNTING PARTS (129) - HYDRAULIC TANDEM PUMP (131) - TRACK DRIVE MOTOR (133) - SWING MOTOR (134) - HYDRAULIC OIL RESERVOIR AND RELATED PARTS (135) - HYDRAULIC OIL FILTERS (137) - LEVELER CHECK VALVE (138) - SWING, IN LINE CROSSOVER RELIEF VALVE (139) - 1-SPOOL MAIN CONTROL VALVE, (USED WITH LEVELER CIRCUIT) (141) - 4-SPOOL MAIN CONTROL VALVE, (USED WITH TOOL, HOIST, LEFT TRACK AND AUXILIARY CIRCUITS) (143) - 4-SPOOL MAIN CONTROL VALVE, (USED WITH SWING, CROWD, RIGHT TRACK AND FAST HOIST CIRCUITS) (145) - MAIN RELIEF CARTRIDGE (146) - PORT RELIEF CARTRIDGE (147) - CHECK VALVE, (USED IN TRACK DRIVE MOTOR DRAIN CIRCUIT) (167) - FAST HOIST HYDRAULICS