HYDRAULIC SYSTEM
CYLINDER GPTANK GP
HYDRAULIC SYSTEM
CYLINDER GP#SEBP44600200
277-9900: CYLINDER GP-BUCKET
277-9900 CYLINDER GP-BUCKET
75-MM (2.95-IN) BORE X 497-MM (19.57-IN) STROKE
PART OF 277-9824, 277-9825 LINES AR-BUCKET
AN ATTACHMENT
75-MM (2.95-IN) BORE X 497-MM (19.57-IN) STROKE
PART OF 277-9824, 277-9825 LINES AR-BUCKET
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 265-8716 | [2] | BUSHING | |
| 2. | 281-2300 | [1] | CYLINDER AS | |
| 3. | 281-2319 | [1] | ROD AS | |
| 4. | 281-2304 | [1] | HEAD | |
| 5. | 237-8377 | [1] | BUSHING | |
| 6. | 146-3916 | [1] | RING | |
| 7. | 146-1086 | [1] | RING | |
| 8. | 095-1708 | [1] | SEAL-O-RING | |
| 9. | 281-2316 | [1] | RING | |
| 10. | 095-1709 | [1] | SEAL-O-RING | |
| 11. | 281-2312 | [1] | PISTON | |
| 12. | 192-0684 | [1] | SEAL AS | |
| 13. | 281-2315 | [2] | RING | |
| 14. | 216-7643 M | [1] | SETSCREW (M8X1.25X8-MM) | |
| 15. | 146-3969 | [1] | BALL | |
| 16. | 281-2309 | [1] | TUBE AS | |
| 17. | 278-9169 | [1] | WASHER (10.5X21X2-MM THK) | |
| 18. | 237-6139 | [1] | LOCKWASHER | |
| 19. | 8T-4136 M | [1] | BOLT (M10X1.5X25-MM) | |
| 20. | 216-7244 | [1] | SEAL | |
| 21. | 192-0638 | [4] | SEAL | |
| 22. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 23. | 3B-8488 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| AVAILABLE REPAIR KIT(S): | ||||
| 281-2322 | [1] | KIT-SEAL | ||
| M | METRIC PART | |||
#SEBP44600201
268-8224: CYLINDER GP-HYDRAULIC
268-8224 CYLINDER GP-HYDRAULIC
63.5-MM (2.5-IN) BORE X 431.8-MM (17-IN) STROKE
PART OF 309-1917, 309-1938 THUMB GP
AN ATTACHMENT
63.5-MM (2.5-IN) BORE X 431.8-MM (17-IN) STROKE
PART OF 309-1917, 309-1938 THUMB GP
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 3B-8489 | [2] | FITTING-GREASE (1/8-27 PTF) | |
| 2. | 5D-1986 | [1] | LOCKNUT (7/8-14-THD) | |
| 3. | 233-8447 | [2] | BUSHING | |
| 4. | 244-3712 | [2] | PLUG AS | |
| (EACH INCLUDES) | ||||
| 9S-4191 | [1] | PLUG (9/16-18-THD) | ||
| 214-7568 | [1] | SEAL-O-RING | ||
| 5. | 278-2246 | [1] | PISTON | |
| 6. | 278-2248 | [1] | BUSHING | |
| 7. | 278-2254 | [1] | ROD AS-PISTON | |
| 8. | 278-2256 | [1] | GLAND | |
| AVAILABLE REPAIR KIT(S): | ||||
| 278-2257 | [1] | KIT-PACKING (HYDRAULIC CYLINDER) | ||
#SEBP44600202
284-0883: CYLINDER GP-STICK
284-0883 CYLINDER GP-STICK
80-MM (3.15-IN) BORE X 597-MM (23.5-IN) STROKE
PART OF 266-9543 STICK AR
80-MM (3.15-IN) BORE X 597-MM (23.5-IN) STROKE
PART OF 266-9543 STICK AR
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 265-8717 | [2] | BUSHING | |
| 2. | 284-0884 | [1] | CYLINDER AS-STICK | |
| 3. | 281-2318 | [1] | ROD AS | |
| 4. | 237-6120 | [1] | HEAD | |
| 5. | 237-6121 | [1] | BUSHING | |
| 6. | 146-3957 J | [1] | RING | |
| 7. | 146-3958 J | [1] | RING | |
| 8. | 095-1709 J | [1] | SEAL-O-RING | |
| 9. | 237-6124 J | [1] | RING | |
| 10. | 095-1710 J | [1] | SEAL-O-RING | |
| 11. | 237-6135 | [1] | PISTON | |
| 12. | 146-3923 J | [1] | SEAL AS | |
| 13. | 237-6136 J | [2] | RING | |
| 14. | 216-7643 M | [1] | SETSCREW (M8X1.25X8-MM) | |
| 15. | 146-3969 | [1] | BALL | |
| 16. | 278-9127 | [1] | BEARING | |
| 17. | 278-9128 | [1] | SEAL | |
| 18. | 278-9129 | [2] | STOP | |
| 19. | 278-9130 | [1] | RING | |
| 20. | 192-0638 | [4] | SEAL | |
| 21. | 3B-8488 | [2] | FITTING-GREASE (1/8-27 PTF) | |
| 278-9126 F | [1] | CUSHION AS | ||
| 237-6134 F | [1] | PISTON AS | ||
| 237-6119 F | [1] | HEAD AS | ||
| AVAILABLE REPAIR KIT(S): | ||||
| 281-2323 J | [1] | KIT-SEAL | ||
| F | NOT SHOWN | |||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
#SEBP44600203
284-3909: CYLINDER GP-SWING BOOM
284-3909 CYLINDER GP-SWING BOOM
85-MM (3.35-IN) BORE X 454-MM (17.87-IN) STROKE
PART OF 264-8395 BOOM AR
85-MM (3.35-IN) BORE X 454-MM (17.87-IN) STROKE
PART OF 264-8395 BOOM AR
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 265-8717 | [2] | BUSHING | |
| 2. | 284-4312 | [1] | CYLINDER AS | |
| 3. | 278-1983 | [1] | ROD AS | |
| 4. | 278-1984 | [1] | HEAD | |
| 5. | 237-6121 | [1] | BUSHING | |
| 6. | 146-3957 J | [1] | RING | |
| 7. | 146-3958 J | [1] | RING | |
| 8. | 095-1710 J | [1] | SEAL-O-RING | |
| 9. | 237-8378 J | [1] | RING | |
| 10. | 095-1711 J | [1] | SEAL-O-RING | |
| 11. | 278-1985 | [1] | PISTON | |
| 12. | 146-3968 J | [1] | SEAL AS | |
| 13. | 278-1986 J | [2] | RING | |
| 14. | 216-7643 M | [1] | SETSCREW (M8X1.25X8-MM) | |
| 15. | 146-3969 | [1] | BALL | |
| 16. | 192-0638 | [4] | SEAL | |
| 17. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 278-1987 F | [1] | HEAD AS | ||
| 278-1988 F | [1] | PISTON AS | ||
| AVAILABLE REPAIR KIT(S): | ||||
| 279-0639 J | [1] | KIT-SEAL (SWING BOOM CYLINDER) | ||
| F | NOT SHOWN | |||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
#SEBP44600204
246-0192: CYLINDER GP-TILT
246-0192 CYLINDER GP-TILT -BUCKET
76-MM (3-IN) BORE X 120-MM (4.72-IN) STROKE
PART OF 279-4325 BUCKET AR-TILTABLE
AN ATTACHMENT
76-MM (3-IN) BORE X 120-MM (4.72-IN) STROKE
PART OF 279-4325 BUCKET AR-TILTABLE
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 1H-7339 | [1] | SEAL-O-RING | |
| 2. | 6E-0122 | [1] | HEAD | |
| 3. | 6J-1972 J | [1] | SEAL AS | |
| 4. | 6J-5733 J | [1] | RING-WEAR | |
| 5. | 9T-2212 | [1] | PISTON | |
| 6. | 167-2186 J | [1] | SEAL AS-BUFFER | |
| 7. | 167-2294 J | [1] | SEAL-U-CUP | |
| 8. | 226-8202 J | [1] | SEAL-WIPER | |
| 9. | 249-4175 | [1] | ROD AS | |
| 9T-4007 | [2] | BEARING | ||
| 10. | 4T-6780 J | [1] | RING-WEAR | |
| 11. | 5P-8250 | [1] | WASHER (28X49X5-MM THK) | |
| 12. | 6F-7037 | [1] | BOLT (1-14X3.25-IN) | |
| 13. | 8J-2574 J | [1] | RING-BACKUP | |
| AVAILABLE REPAIR KIT(S): | ||||
| 235-0354 J | KIT-SEAL (HYDRAULIC CYLINDER)(BUCKET CYLINDER) | |||
| (ALSO INCLUDES BACKUP RING & O-RING SEAL) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
#SEBP44600205
280-8532: DRAIN GP-ECOLOGY
280-8532 DRAIN GP-ECOLOGY -ENGINE, HYDRAULIC TANK
AN ATTACHMENT
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP44600206
274-6509: DRAIN GP-OIL
274-6509 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD
PART OF 280-8531 DRAIN GP-OIL
CANNOT BE USED WITH @@@@@274-6510@@@@@
AN ATTACHMENT
PART OF 280-8531 DRAIN GP-OIL
CANNOT BE USED WITH @@@@@274-6510@@@@@
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 274-6505 | [1] | BRACKET AS | |
| 2. | 274-6548 | [1] | CLAMP | |
| 3. | 284-6218 | [1] | HOSE AS | |
| 4. | 148-8315 | [1] | CONNECTOR AS | |
| 2M-9780 | [1] | SEAL-O-RING | ||
| 6V-8642 | [1] | CONNECTOR | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 5. | 165-4935 | [1] | PLUG AS | |
| 6V-9510 | [1] | PLUG | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 6. | 7I-2272 M | [2] | BOLT (M5X0.8X12-MM) | |
| 7. | 7X-0620 | [2] | WASHER-HARD (5.5X13X1.6-MM THK) | |
| 8. | 8T-4190 M | [1] | BOLT (M16X2X25-MM) | |
| 9. | 9X-8257 | [1] | WASHER (17.5X30X3.5-MM THK) | |
| M | METRIC PART | |||
#SEBP44600207
274-6510: DRAIN GP-OIL
274-6510 DRAIN GP-OIL -ECOLOGY, HYDRAULIC TANK
PART OF 280-8532 DRAIN GP-ECOLOGY
Type 1
CANNOT BE USED WITH @@@@@274-6509@@@@@
AN ATTACHMENT
PART OF 280-8532 DRAIN GP-ECOLOGY
Type 1
CANNOT BE USED WITH @@@@@274-6509@@@@@
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 101-4639 | [1] | PLUG AS-DRAIN (HYDRAULIC TANK) | |
| 2. | 159-3727 | [1] | TUBE AS-DRAIN | |
| 3. | 274-6505 | [1] | BRACKET AS | |
| 4. | 274-6533 | [1] | ADAPTER AS | |
| 7J-9108 | [1] | SEAL-O-RING | ||
| 274-6532 | [1] | ADAPTER | ||
| 5. | 274-6548 | [1] | CLAMP | |
| 6. | 284-6218 | [1] | HOSE AS | |
| 7. | 148-8315 | CONNECTOR AS | ||
| 2M-9780 | [1] | SEAL-O-RING | ||
| 6V-8642 | [1] | CONNECTOR | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 8. | 2M-9780 | [1] | SEAL-O-RING | |
| 9. | 7I-2272 M | [2] | BOLT (M5X0.8X12-MM) | |
| 10. | 8T-0328 | [2] | WASHER-HARD (5.5X10X1-MM THK) | |
| 11. | 8T-4190 M | [1] | BOLT (M16X2X25-MM) | |
| 12. | 9X-8257 | [1] | WASHER (17.5X30X3.5-MM THK) | |
| M | METRIC PART | |||
#SEBP44600208
274-6510: DRAIN GP-OIL
274-6510 DRAIN GP-OIL -ECOLOGY, HYDRAULIC TANK
PART OF 280-8532 DRAIN GP-ECOLOGY
Type 2
CANNOT BE USED WITH @@@@@274-6509@@@@@
AN ATTACHMENT
PART OF 280-8532 DRAIN GP-ECOLOGY
Type 2
CANNOT BE USED WITH @@@@@274-6509@@@@@
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 296-3111 C | [1] | PLUG-DRAIN (HYDRAULIC TANK) | |
| 2. | 296-3112 C | [1] | TUBE AS-DRAIN | |
| 3. | 274-6505 | [1] | BRACKET AS | |
| 4. | 274-6533 | [1] | ADAPTER AS | |
| 7J-9108 | [1] | SEAL-O-RING | ||
| 274-6532 | [1] | ADAPTER | ||
| 5. | 274-6548 | [1] | CLAMP | |
| 6. | 284-6218 | [1] | HOSE AS | |
| 7. | 148-8315 | [1] | CONNECTOR AS | |
| 2M-9780 | [1] | SEAL-O-RING | ||
| 6V-8642 | [1] | CONNECTOR | ||
| 7J-9108 | [1] | SEAL-O-RING | ||
| 8. | 2M-9780 | [1] | SEAL-O-RING | |
| 9. | 7I-2272 M | [2] | BOLT (M5X0.8X12-MM) | |
| 10. | 7X-0620 | [2] | WASHER-HARD (5.5X13X1.6-MM THK) | |
| 11. | 8T-4190 M | [1] | BOLT (M16X2X25-MM) | |
| 12. | 9X-8257 | [1] | WASHER (17.5X30X3.5-MM THK) | |
| C | CHANGE FROM PREVIOUS TYPE | |||
| M | METRIC PART | |||
#SEBP44600209
280-8531: DRAIN GP-OIL
280-8531 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD
AN ATTACHMENT
AN ATTACHMENT
Parts for your 303.5C MINI HYD EXCAVATOR:
CATERPILLAR SISInformation:
HYDRAULIC SYSTEM
CYLINDER GP
Operation and Maintenance Manual
Swing Frame and Cylinder Bearings - Lubricate
303C CR, 303.5C CR, 304C CR and 305C CR Mini Hydraulic Excavators
303C CR, 303.5C CR, 304C CR and 305C CR Mini Hydraulic Excavators
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
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Specifications
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
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}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 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
Disassembly and Assembly
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}


