HYDRAULIC SYSTEM
CYLINDER GPDRIVE GP
HYDRAULIC GP
LEVER GP
LINES GP-PILOT
LINES GP-BOOM
HYDRAULIC SYSTEM
CYLINDER GP#SEBP71750060
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
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP71750061
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
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 | |||
#SEBP71750062
372-1132: DRIVE GP-PUMP
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP71750063
448-5777: HYDRAULIC AR
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 | ||
| 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) | ||
| 373-1845 Y | [1] | LINES GP-MOTOR | ||
| 372-7461 Y | [1] | LINES GP-PUMP | ||
| 373-1849 Y | [1] | PEDAL & LINES GP-BOOM SWING | ||
| 373-5795 Y | [1] | LINES GP-UNDERCARRIAGE CYL (ADJUSTABLE GAUGE) | ||
| 372-1159 Y | [1] | PLUG GP | ||
| 375-8782 Y | [1] | PLUG GP | ||
| 448-4231 Y | [1] | PUMP GP-MAIN HYDRAULIC | ||
| 373-5759 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 | |||
#SEBP71750064
372-5994: LEVER GP
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 372-5992 | [1] | LEVER AS | |
| 2. | 372-5960 | [2] | PIN | |
| 3. | 372-5932 | [1] | PIN | |
| 4. | 372-5961 | [1] | SHAFT | |
| 5. | 6V-8235 | [1] | PIN-SPRING | |
| 6. | 372-5959 | [1] | LEVER AS | |
| 7. | 372-5964 | [4] | WASHER (19X30X2.5-MM THK) | |
| 8. | 372-5962 | [2] | BEARING | |
| 9. | 372-5936 | [1] | HANDLE-LEVER | |
| 10. | 372-5986 | [2] | PLATE | |
| 11. | 477-8068 | [2] | PIN-COTTER | |
| 12. | 372-5980 | [1] | LEVER AS | |
| 13. | 372-5982 | [1] | LEVER AS | |
| 14. | 423-1731 | [1] | LEVER AS | |
| 15. | 423-1732 | [1] | LEVER AS | |
| 16. | 372-5976 | [1] | WASHER (18X25X1-MM THK) |
#SEBP71750065
372-7459: LEVER GP
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 372-1111 | [1] | CLEVIS AS | |
| 2. | 372-7434 | [1] | HANDLE | |
| 3. | 372-7446 | [1] | LEVER AS | |
| 4. | 372-1117 | [2] | BUSHING | |
| 5. | 372-1087 | [2] | BEARING | |
| 6. | 372-1110 | [1] | SPACER (16X22X15-MM THK) | |
| 7. | 372-1109 | [1] | WASHER (9X40X2-MM THK) | |
| 8. | 372-1112 | [1] | PIN | |
| 9. | 7X-0622 | [1] | WASHER (13X24X2.5-MM THK) | |
| 10. | 477-8067 | [1] | PIN-COTTER | |
| 11. | 372-1116 | [1] | BOOT | |
| 12. | 372-1078 | [1] | WASHER-SPECIAL (8.4X13.0X0.9-MM THK) | |
| 13. | 8T-4189 M | [1] | BOLT (M8X1.25X20-MM) | |
| 14. | 8T-4224 | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
| PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY | ||||
| M | METRIC PART | |||
#SEBP71750066
372-1157: LEVER GP-CONTROL
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 372-1111 | [1] | CLEVIS AS | |
| 2. | 372-1118 | [1] | HANDLE | |
| 3. | 372-1143 | [1] | LEVER AS | |
| 4. | 372-1117 | [2] | BUSHING | |
| 5. | 372-1087 | [2] | BEARING | |
| 6. | 372-1110 | [1] | SPACER (16X22X15-MM THK) | |
| 7. | 372-1109 | [1] | WASHER (9X40X2-MM THK) | |
| 8. | 372-1112 | [1] | PIN | |
| 9. | 7X-0622 | [1] | WASHER (13X24X2.5-MM THK) | |
| 10. | 477-8067 | [1] | PIN-COTTER | |
| 11. | 8T-4224 | [1] | WASHER-HARD (8.8X16X2-MM THK) | |
| 12. | 372-1078 | [1] | WASHER-SPECIAL (8.4X13.0X0.9-MM THK) | |
| 13. | 8T-4189 M | [1] | BOLT (M8X1.25X20-MM) | |
| 14. | 372-1116 | [1] | BOOT | |
| M | METRIC PART | |||
#SEBP71750067
423-1735: LEVER GP-CONTROL
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 372-5992 | [1] | LEVER AS | |
| 2. | 372-5960 | [2] | PIN | |
| 3. | 372-5932 | [1] | PIN | |
| 4. | 372-5961 | [1] | SHAFT | |
| 5. | 6V-8235 | [1] | PIN-SPRING | |
| 6. | 372-5959 | [1] | LEVER AS | |
| 7. | 372-5964 | [4] | WASHER (19X30X2.5-MM THK) | |
| 8. | 372-5962 | [2] | BEARING | |
| 9. | 372-5936 | [1] | HANDLE-LEVER | |
| 10. | 372-5986 | [2] | PLATE | |
| 11. | 477-8068 | [2] | PIN-COTTER | |
| 12. | 423-3217 | [1] | BRACKET AS-LEVER | |
| 13. | 423-3221 | [1] | BRACKET AS-LEVER | |
| 14. | 372-5976 | [1] | WASHER (18X25X1-MM THK) |
#SEBP71750068
423-2549: LINES AR-BOOM & STICK
423-2549 LINES AR-BOOM & STICK
AN ATTACHMENT
AN ATTACHMENT
Parts for your 300.9D MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP71750069
423-2550: LINES AR-BOOM & STICK
423-2550 LINES AR-BOOM & STICK
PART OF 448-5781, 452-5718, 543-4905 DISTRIBUTION AR
AN ATTACHMENT
PART OF 448-5781, 452-5718, 543-4905 DISTRIBUTION AR
AN ATTACHMENT
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
Tool Operating Manual
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
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}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 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}