HYDRAULIC SYSTEM
CYLINDER GPDRIVE GP
HYDRAULIC GP
VALVE GP-CONTROL
HYDRAULIC SYSTEM
CYLINDER GP
#M00643940070
373-5784: CYLINDER GP-HYDRAULIC
373-5784 CYLINDER GP-HYDRAULIC -STICK
PART OF 374-2153 BOOM AR
ALSO AN ATTACHMENT
PART OF 374-2153 BOOM AR
ALSO AN ATTACHMENT
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 526-8963 | [1] | CYLINDER AS-HYDRAULIC |
#M00643940071
373-5785: CYLINDER GP-HYDRAULIC
373-5785 CYLINDER GP-HYDRAULIC
60-MM (2.4-IN) BORE X 520-MM (20.5-IN) STROKE
PART OF 374-2153 BOOM AR
ALSO AN ATTACHMENT
60-MM (2.4-IN) BORE X 520-MM (20.5-IN) STROKE
PART OF 374-2153 BOOM AR
ALSO AN ATTACHMENT
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 373-5798 | [1] | CYLINDER GP-HYDRAULIC | |
| 2. | 129-9959 | [1] | CLAMP | |
| 3. | 8T-4171 M | [1] | BOLT (M6X1X12-MM) | |
| 4. | 372-1077 | [1] | WASHER-SPECIAL (6.4X10.0X0.64-MM THK) | |
| 5. | 372-1074 | [1] | WASHER (6.4X12.5X1.6-MM THK) | |
| 6. | 373-5742 | [1] | ROD AS-PISTON | |
| 7. | 373-5740 | [1] | BUSHING | |
| 8. | 373-5739 | [1] | PISTON | |
| 9. | 373-5738 M | [1] | NUT (M22X1.5-THD) | |
| 10. | 373-5760 | [2] | BUSHING | |
| 11. | 373-5737 | [1] | KIT-SEAL (HYDRAULIC CYLINDER) | |
| (INCLUDED O-RING SEALS, WEAR RING, PISTON SEAL, BACKUP RING & WIPER RING) | ||||
| M | METRIC PART | |||
#M00643940072
373-5794: CYLINDER GP-HYDRAULIC
373-5794 CYLINDER GP-HYDRAULIC
50-MM (2-IN) BORE X 176-MM (7-IN) STROKE
PART OF 511-9796, 511-9797 HYDRAULIC AR
ALSO AN ATTACHMENT
50-MM (2-IN) BORE X 176-MM (7-IN) STROKE
PART OF 511-9796, 511-9797 HYDRAULIC AR
ALSO AN ATTACHMENT
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 372-5998 | [1] | CYLINDER-HYDRAULIC | |
| FY | [1] | CYLINDER GP-HYDRAULIC | ||
| F | NOT SHOWN | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00643940073
373-5796: CYLINDER GP-HYDRAULIC
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 372-7462 | [1] | CYLINDER GP-BLADE | |
| 2. | 372-7452 | [1] | COVER | |
| 3. | 8T-4191 M | [2] | BOLT (M10X1.5X16-MM) | |
| 4. | 372-1079 | [2] | WASHER-SPECIAL (10.5X16.0X1.10-MM THK) | |
| 5. | 7X-0623 | [2] | WASHER (10.5X21X2-MM THK) | |
| 6. | 373-5758 | [1] | VALVE-CHECK | |
| 7. | 373-5654 | [1] | CONNECTOR | |
| FY | [1] | CYLINDER GP-HYDRAULIC | ||
| F | NOT SHOWN | |||
| M | METRIC PART | |||
| Y | SEPARATE ILLUSTRATION | |||
#M00643940074
576-8820: CYLINDER GP-HYDRAULIC
576-8820 CYLINDER GP-HYDRAULIC
PART OF 373-5794 CYLINDER GP-HYDRAULIC
ALSO AN ATTACHMENT
PART OF 373-5794 CYLINDER GP-HYDRAULIC
ALSO AN ATTACHMENT
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS#M00643940075
576-8821: CYLINDER GP-HYDRAULIC
576-8821 CYLINDER GP-HYDRAULIC
PART OF 373-5796 CYLINDER GP-HYDRAULIC
ALSO AN ATTACHMENT
PART OF 373-5796 CYLINDER GP-HYDRAULIC
ALSO AN ATTACHMENT
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 373-5741 | [1] | ROD AS-PISTON | |
| 2. | 373-5740 | [1] | BUSHING | |
| 3. | 373-5739 | [1] | PISTON | |
| 4. | 373-5760 | [2] | BUSHING | |
| 5. | 373-5672 | [2] | FITTING | |
| 6. | 373-5738 M | [1] | NUT (M22X1.5-THD) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 395-1275 | [1] | KIT-SEAL | ||
| (INCLUDES PARTS MARKED "J" IN THE GRAPHIC) | ||||
| M | METRIC PART | |||
#M00643940076
372-1132: DRIVE GP-PUMP
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS#M00643940077
511-9796: HYDRAULIC AR
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 372-5972 Y | [1] | CONNECTOR & ELBOW GP | ||
| 373-9777 Y | [1] | CYLINDER GP-BOOM | ||
| 373-5794 Y | [1] | CYLINDER GP-HYDRAULIC | ||
| 372-1132 Y | [1] | DRIVE GP-PUMP | ||
| 492-8883 Y | [1] | LINES GP-AUXILIARY (SECONDARY) | ||
| 373-1848 Y | [1] | LINES GP-BUCKET | ||
| 373-1844 Y | [1] | LINES GP-CONTROL (SWING) | ||
| 373-1850 Y | [1] | LINES GP-HYDRAULIC (MAIN CONTROL VALVE) | ||
| 491-0625 Y | [1] | LINES GP-PUMP | ||
| 491-1496 Y | [1] | LINES GP-TRACK TENSION | ||
| 491-0624 Y | [1] | LINES GP-TRAVEL MOTOR | ||
| 373-1849 Y | [1] | PEDAL & LINES GP-BOOM SWING | ||
| 372-1159 Y | [1] | PLUG GP | ||
| 375-8782 Y | [1] | PLUG GP | ||
| 372-5971 Y | [1] | PUMP GP-HYDRAULIC | ||
| 511-9798 Y | [1] | SWIVEL GP | ||
| 372-1154 Y | [1] | TANK GP-HYDRAULIC | ||
| 373-1843 Y | [1] | VALVE & MTG GP-BLADE | ||
| 372-1156 Y | [1] | VALVE GP-DRAIN | ||
| 373-9768 Y | [1] | VALVE GP-MAIN CONTROL | ||
| Y | SEPARATE ILLUSTRATION | |||
#M00643940078
511-9797: HYDRAULIC AR
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 372-5972 Y | [1] | CONNECTOR & ELBOW GP | ||
| 373-9777 Y | [1] | CYLINDER GP-BOOM | ||
| 373-5794 Y | [1] | CYLINDER GP-HYDRAULIC | ||
| 372-1132 Y | [1] | DRIVE GP-PUMP | ||
| 492-8883 Y | [1] | LINES GP-AUXILIARY (SECONDARY) | ||
| 373-1848 Y | [1] | LINES GP-BUCKET | ||
| 373-1844 Y | [1] | LINES GP-CONTROL (SWING) | ||
| 373-1850 Y | [1] | LINES GP-HYDRAULIC (MAIN CONTROL VALVE) | ||
| 491-0625 Y | [1] | LINES GP-PUMP | ||
| 491-1496 Y | [1] | LINES GP-TRACK TENSION | ||
| 491-0624 Y | [1] | LINES GP-TRAVEL MOTOR | ||
| 373-1849 Y | [1] | PEDAL & LINES GP-BOOM SWING | ||
| 372-1159 Y | [1] | PLUG GP | ||
| 375-8782 Y | [1] | PLUG GP | ||
| 448-4231 Y | [1] | PUMP GP-MAIN HYDRAULIC | ||
| 511-9798 Y | [1] | SWIVEL GP | ||
| 372-1154 Y | [1] | TANK GP-HYDRAULIC | ||
| 373-1843 Y | [1] | VALVE & MTG GP-BLADE | ||
| 372-1156 Y | [1] | VALVE GP-DRAIN | ||
| 373-9768 Y | [1] | VALVE GP-MAIN CONTROL | ||
| Y | SEPARATE ILLUSTRATION | |||
#M00643940079
491-7230: KIT-ALTERNATE PATTERN CONTROL
491-7230 KIT-ALTERNATE PATTERN CONTROL
AN ATTACHMENT
AN ATTACHMENT
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Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 423-3221 | [1] | BRACKET AS-LEVER | |
| 2. | 423-3217 | [1] | BRACKET AS-LEVER | |
| 3. | 491-7229 | [1] | PANEL-CONSOLE | |
| 4. | 392-4975 | [1] | FILM-INSTRUCTION (READ OMM) | |
| 5. | 423-1727 | [2] | LINK | |
| 6. | 423-1729 | [4] | STUD-BALL | |
| 7. | 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| 8. | 344-5674 M | [4] | NUT (M8X1.25-THD) | |
| 9. | 399-2162 | [1] | FILM-IDENTIFICATION (JOYSTICK PATTERN) | |
| 10. | 399-2956 | [2] | COVER | |
| 11. | 399-2961 | [6] | WASHER | |
| M | METRIC PART | |||
Information:
HYDRAULIC SYSTEM
CYLINDER GP
Operation and Maintenance Manual
Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Technical Information Bulletin
Blade Cylinder Check Valve May Fail on Certain 300.9D Mini Hydraulic Excavators {5362, 7562}
Blade Cylinder Check Valve May Fail on Certain 300.9D Mini Hydraulic Excavators {5362, 7562}
Blade Cylinder Check Valve May Fail on Certain 300.9D Mini Hydraulic Excavators {5362, 7562}
Specifications
Systems Operation
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Contamination Control Guidelines
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Testing and Adjusting
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
