1. HEAVY EQUIPMENT 2. CRAWLER EXCAVATORS 3. DROTT 4. (35) - DROTT SERIES-D CRAWLER EXCAVATOR (S/N 6266131 & AFTER) (7/77-12/81) 5. (35) - HYDRAULIC SYSTEMS Select section (35) - HYDRAULIC SYSTEMS Case: (116) - OIL TANK TO PUMP TO VALVES TUBING (118) - MAIN VALVE TO FILTERS TO OIL TANK AND COOLER TUBING (121A) - MAIN VALVES TO FILTERS TO OIL TANK AND COOLER TUBING (122) - POWER SENSING TUBING (124) - POWER SENSING TUBING (126) - FAST HOIST TUBING (128) - CROWD, HOIST AND TOOL TUBING FROM VALVE TO BOOM (130) - "E" BOOM AND DIPPERSTICK TUBING (132) - "Y" BOOM TUBING (134) - AUXILIARY HOSES, (USED ON UNITS WITH "E" BOOM) (136) - AUXILIARY TUBING, (USED ON UNITS WITH "Y" BOOM) (138) - TRACK DRIVE MOTOR TUBING FROM VALVE TO SWIVEL (140) - LOWER TRACK DRIVE MOTOR AND DRAIN HYDRAULICS (142) - DRIVE BRAKE TUBING (144) - SWING MOTOR TUBING (146) - LEVELER TUBING (148) - CROWD CYLINDER, (6.50" ID X 47.50" STROKE), (USED WITH "E" BOOM) (150) - CROWD CYLINDER, (6.50" ID X 47.5" STROKE), (USED WITH "Y'" BOOM) (152) - HOIST CYLINDER (154) - TOOL CYLINDER, (5.50" ID X 36.30" STROKE) (156) - LEVELER CYLINDER (158) - WRIST-O-TWIST, (6.25" ID X 4.46" STROKE) (160) - HYDRAULIC OIL TANK AND RELATED PARTS, (USED WITH OIL TANK WITH ROUND CORNERS) (162) - HYDRAULIC OIL TANK AND RELATED PARTS, (USED WITH TANK WITH SQUARE CORNERS) (164) - 7-PORT SWIVEL AND RELATED PARTS (166) - HYDRAULIC OIL FILTER (168) - HYDRAULIC OIL FILTER (170) - HYDRAULIC OIL FILTER (172) - MAIN HYDRAULIC PUMP, (USED WITH CASE DIESEL ENGINE) (174) - MAIN HYDRAULIC PUMP, (USED WITH DETROIT DIESEL ENGINE) (176) - SWING MOTOR (178) - TRACK DRIVE MOTOR, (USED ON UNITS WITH PIN 6266131 THRU 6266234) (179A) - TRACK DRIVE MOTOR, (USED ON UNITS WITH PIN 6266235 AND AFTER (180) - POWER SENSING RELIEF VALVE (182) - SOLENOID MONOBLOCK VALVE, (USED ON UNITS WITH PIN 6266131 THRU 6266300) (184) - SOLENOID MONOBLOCK VALVE, (USED ON UNITS WITH PIN 6266301 AND AFTER) (186) - FLOW CONTROL VALVE, (USED IN WRIST-O-TWIST CIRCUIT) (188) - SWING INLINE RELIEF VALVE, OPTIONAL LEVELER CHECK VALVE (188[1]) - OPTIONAL LEVELER CHECK VALVE (190) - CHECK VALVE, (USED IN TRACK DRIVE MOTOR DRAIN CIRCUIT) (192) - 1-SPOOL MAIN CONTROL VALVE, (USED WITH LEVELER CIRCUIT) (194) - 4-SPOOL MAIN CONTROL VALVE, (USED WITH HOIST, TOOL, LEFT TRACK AND AUXILIARY CIRCUITS) (196) - 4-SPOOL MAIN CONTROL VALVE, (USED WITH HOIST, TOOL AND LEFT TRACK CIRCUITS) (198) - 4-SPOOL MAIN CONTROL VALVE, (USED WITH SWING, CROWD, RIGHT TRACK AND AUXILIARY CIRCUITS) (200) - MAIN RELIEF CARTRIDGE (202) - PORT RELIEF CARTRIDGE sale parts diagram catalog online construction equipment excavator tractor Truck sale:
![Case parts catalog diagram (188[1]) - OPTIONAL LEVEL](http://c1.a2109.com/_350/casece2/94/948175.png)
