1. HEAVY EQUIPMENT 2. CRAWLER EXCAVATORS 3. DROTT 4. (50) - DROTT SERIES-A CRAWLER EXCAVATOR (1/68-12/79) 5. (35) - HYDRAULIC SYSTEMS Select section (35) - HYDRAULIC SYSTEMS Case: (D13) - SWING REDUCER, RATIO 24.20:1 (E01) - TRACK BRAKE VALVE, GRESEN # S-50 (E02) - INNER BRAKE SWIVEL, (TRACK) (E12) - LEVELER HYDRAULICS (F03) - DIPPERSTICK TUBING FOR: TOOL CYLINDER (G01) - RESERVOIR TO PUMP TO INLET SECTIONS OF VALVE TUBING (G02) - VALVE TO HOIST CYLINDER AND RETURN TUBING FOR "E" BOOM (G03) - VALVE TO CROWD CYLINDER AND RETURN TUBING FOR "E" BOOM (G05) - VALVE TO TOOL CYLINDER AND RETURN TUBING FOR "E" BOOM (G07) - VALVE TO SWING MOTOR AND RETURN TUBING (G08) - VALVE TO OIL COOLER TO RESERVOIR TUBING (G10) - VALVE TO FILTER TO PUMP TUBING (G11) - MAIN VALVE TO SWIVEL AND RETURN FOR TRACK DRIVE MOTORS TUBING (G12) - SWIVEL TO TRACK DRIVE MOTORS AND RETURN TUBING (G13) - DRAIN LINE CIRCUIT TUBING, (SWING AND TRACK DRIVE MOTORS) (H01) - CROWD AND HOIST CYLINDERS, (7.00" ID X 45.50" STROKE) (H02) - TOOL CYLINDER, (6.25" ID X 33.60 STROKE) (H02A) - LEVELER CYLINDER, (5.25" ID X 5.97" STROKE) (H03) - HYDRAULIC OIL RESERVOIR (H04) - PUMP - HYDRAULIC TANDEM (H05) - SEVEN PORT HYDRAULIC SWIVEL (H06) - VALVE BANK ARRANGEMENT (H06A) - VALVE BANK ARRANGEMENT (CONT'D) (H07) - VALVE BANK ARRANGEMENT (CONT'D) (H07A) - VALVE BANK ARRANGEMENT (CONT'D) (H08) - CONTROL VALVES - 4 SPOOL (H10) - CONTROL VALVES - 3 SPOOL (H11A) - CONTROL VALVES - 2 SPOOL (H12) - RELIEF VALVE CARTRIDGE (H13) - MAIN RELIEF VALVE CARTRIDGE (H14) - SWING, IN LINE, CROSSOVER RELIEF VALVE (H15) - SWING AND TRACK DRIVE MOTORS, (HYDRAULIC TANDEM) (H16) - HYDRAULIC OIL FILTER, 209407M1 - GRESEN #G-FA-315-NR, 209408 - GRESEN #G-FA-220-5 (H17) - CHECK VALVE, (LEVELER) sale parts diagram catalog online construction equipment excavator tractor Truck sale: