CASE > HEAVY EQUIPMENT > CRAWLER EXCAVATORS > DROTT > (30YC) - DROTT CRAWLER EXCAVATOR (S/N 1 TO 599) (1/65-12/79) > (07) - HYDRAULIC SYSTEM

(032) - CROWD, LIFT, AND TOOL CYLINDERS (032A) - LIFT CYLINDER, 5-1/4" ID X 41.50" STROKE, (USED ON UNITS WITH SERIAL NUMBER 445-UP) (033) - HYDRAULIC OIL RESERVOIR AND FILTERS (035) - HYDRAULIC MAIN PUMP, (CLOCKWISE ROTATION) (036) - VALVE BANK ARRANGEMENTS (037) - VALVE BANK ARRANGEMENTS (038) - INLET SECTION, PART NO. 202283M1 (039) - MID SECTION, PART NO. 201991M1 (040) - WORKING SECTION, PART NO. 202948 (041) - WORKING SECTION, PART NO. 201988 (042) - WORKING SECTION, PART NO. 201990 (043) - WORKING SECTION, PART NO. 201993 (044) - MOUNTING PARTS (045) - TURNTABLE SWING MOTOR, USED ON UNITS W/SERIAL NOS. 1 THRU 299. (046) - TURNTABLE SWING MOTOR (2-1/2" GEARS) (047) - TURNTABLE SWING MOTOR (1-3/4" GEARS) (048) - SWING REDUCER, RATIO 24. 20:1 (050) - SWING REDUCER, RATIO 10.06 : 1 (052) - SWING BRAKE (053) - SWING BRAKE CONTROL (054) - SWING, INLINE, CROSSOVER RELIEF VALVE (056) - HYDRAULIC SWIVELS (062A) - CRAWLER DRIVE MOTOR IDENTIFICATION (063) - CRAWLER DRIVE MOTOR, (USED ON UNITS WITH SERIAL NUMBER 1 THRU 340) (064) - TRACK DRIVE MOTOR - 5000 SERIES, (USED ON UNITS WITH SERIAL NUMBER 340 - UP) (066) - LEVELER CYLINDER, 6-1/2" ID X 4.20" STROKE (073) - YUMBO 4-IN-1 CYLINDER, 2-3/4 ID X 10.50 STROKE (075) - WRIST-O-TWIST CYLINDER, (4 ID X 6.45 STROKE) (082) - HYDRAULIC LINES, RESERVOIR - PUMP - VALVE (083) - HYDRAULIC DRAIN LINES AND RADIATOR COOLING LINES (084) - HYDRAULIC LINES, LIFT CYLINDER AND SWING MOTOR (086) - TOOL AND CROWD CYLINDER LINES (087) - 30 Y CRAWLER HYDRAULICS WITH 5 PORT SWIVEL (089) - 30 YC LEVELER HYDRAULICS WITH 7 PORT SWIVEL (092) - 30 Y CRAWLER HYDRAULICS WITH 7 PORT SWIVEL (094) - 4-IN-1 HYDRAULICS (095) - WRIST-O-TWIST HYDRAULICS (096) - PULPWOOD CLAM HYDRAULICS (098) - LOG GRAPPLE HYDRAULICS