HYDRAULIC SYSTEM
VALVE GP-PILOTPUMP GP
MOTOR GP
ELECTRICAL AND STARTING SYSTEM
VALVE GPIMPLEMENTS
BOOM GPMOUNTING GP
LINKAGE GP
HYDRAULIC SYSTEM
VALVE GP-PILOT#SEBP68890270
438-8361: VALVE GP-PILOT
438-8361 VALVE GP-PILOT -BLADE CONTROL
PART OF 415-5010 VALVE & MTG GP-CONTROL
AN ATTACHMENT
PART OF 415-5010 VALVE & MTG GP-CONTROL
AN ATTACHMENT
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP68890271
467-3071: VALVE GP-PILOT
467-3071 VALVE GP-PILOT
PART OF 415-8913, 415-8914, 416-4242 CONTROL GP-JOYSTICK
AN ATTACHMENT
PART OF 415-8913, 415-8914, 416-4242 CONTROL GP-JOYSTICK
AN ATTACHMENT
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 165-9438 | [1] | PLATE | |
| 2. | 096-1628 | [4] | PLUG | |
| 3. | 135-8956 | [2] | ROD | |
| 4. | 132-7710 | [2] | ROD | |
| 5. | 094-0876 | [4] | SEAL | |
| 6. | 095-1586 | [4] | SEAL-O-RING | |
| 7. | 300-5023 | [2] | SEAT | |
| 8. | 165-9435 | [2] | SEAT | |
| 9. | 099-6137 | [4] | WASHER (6.1X9X0.2-MM THK) | |
| 10. | 190-7750 | [4] | SPRING | |
| 11. | 393-2856 | [2] | SPRING | |
| 12. | 393-2855 | [2] | SPRING | |
| 13. | 4I-6365 | [1] | JOINT | |
| 14. | 165-9431 | [1] | PLATE | |
| 15. | 212-0522 | [1] | NUT | |
| 16. | 352-6826 | [1] | BELLOWS |
#SEBP68890272
455-7950: VALVE GP-PUMP CONTROL
455-7950 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
PART OF 398-7478 PUMP GP-MAIN HYDRAULIC
PART OF 398-7478 PUMP GP-MAIN HYDRAULIC
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 8T-8442 M | [4] | BOLT-SOCKET HEAD (M6X1X30-MM) | |
| 2. | 280-7870 | [1] | GASKET | |
| 3. | 6E-6528 J | [2] | SEAL | |
| 4. | 9S-8002 | [1] | PLUG (7/16-20-THD) | |
| 5. | 3J-7354 | [1] | SEAL-O-RING | |
| 6. | 033-6043 J | [1] | SEAL-O-RING | |
| 7. | 6V-6339 J | [1] | SEAL-O-RING | |
| 8. | 213-9803 | [1] | PLUG-ORIFICE | |
| AVAILABLE REPAIR KIT(S): | ||||
| 293-8350 J | [1] | KIT-SEAL | ||
| (INCLUDES 0-RINGS & BACK-UP RINGS) | ||||
| J | KIT MARKED J SERVICES PART(S) MARKED J | |||
| M | METRIC PART | |||
#SEBP68890273
281-3053: VALVE GP-RELIEF
281-3053 VALVE GP-RELIEF
PART OF 281-3052 MOTOR GP-SWING
PART OF 281-3052 MOTOR GP-SWING
#SEBP68890274
432-5646: VALVE GP-RELIEF
432-5646 VALVE GP-RELIEF -THUMB
PART OF 397-7193, 397-7194 STICK AR-HOE
AN ATTACHMENT
PART OF 397-7193, 397-7194 STICK AR-HOE
AN ATTACHMENT
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 421-5455 | [2] | VALVE GP-RELIEF (AUXILIARY) |
#SEBP68890275
358-2091: VALVE GP-SOLENOID & MANIFOLD
358-2091 VALVE GP-SOLENOID & MANIFOLD -QUICK COUPLER
PART OF 384-5013 CONTROL AR-COUPLER, 425-8095 LINES GP-FRONT
AN ATTACHMENT
PART OF 384-5013 CONTROL AR-COUPLER, 425-8095 LINES GP-FRONT
AN ATTACHMENT
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP68890276
397-7012: BOOM AR
397-7012 BOOM AR
PART OF 397-7002 COMMON AR
PART OF 397-7002 COMMON AR
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP68890277
436-7892: BOOM GP
436-7892 BOOM GP
PART OF 397-7012 BOOM AR
PART OF 397-7012 BOOM AR
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 1. | 093-1430 | [2] | SEAL-LIP TYPE | |
| 2. | 175-1794 B | [2] | SHIM (0.5-MM THK) | |
| 3. | 175-1795 B | [4] | SHIM (1-MM THK) | |
| 4. | 176-8464 B | [1] | SHIM (0.5-MM THK) | |
| 5. | 176-8465 B | [1] | SHIM (1-MM THK) | |
| 6. | 266-3872 | [1] | BOSS (M20X1.5-THD) | |
| 7. | 266-4104 | [1] | PIN AS | |
| 8. | 266-4106 | [1] | PIN AS | |
| 9. | 284-6255 | [1] | PIN | |
| 10. | 422-1378 | [1] | PLATE AS | |
| 11. | 422-1381 | [1] | PLATE AS | |
| 12. | 478-9422 | [1] | BOOM & BEARING AS | |
| 12A. | 265-8720 | [2] | BUSHING | |
| 13. | 127-2170 M | [4] | SCREW-TRUSS HEAD (M8X1.25X20-MM) | |
| 14. | 3B-8489 | [1] | FITTING-GREASE (1/8-27 PTF) | |
| 15. | 8T-4137 M | [1] | BOLT (M10X1.5X20-MM) | |
| 16. | 8T-4196 M | [1] | BOLT (M10X1.5X35-MM) | |
| 17. | 8T-4222 | [2] | WASHER-PLATED (11X32X2.5-MM THK) | |
| 18. | 8T-4224 | [4] | WASHER-HARD (8.8X16X2-MM THK) | |
| B | USE AS REQUIRED | |||
| M | METRIC PART | |||
#SEBP68890278
282-1712: BRACKET GP-MOUNTING
282-1712 BRACKET GP-MOUNTING -BUCKET
PART OF 279-4325 BUCKET AR-TILTABLE
AN ATTACHMENT
PART OF 279-4325 BUCKET AR-TILTABLE
AN ATTACHMENT
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SIS#SEBP68890279
397-7073: LINKAGE AR-BUCKET
397-7073 LINKAGE AR-BUCKET
AN ATTACHMENT
AN ATTACHMENT
Parts for your 304E2 CR MINI HYD EXCAVATOR:
CATERPILLAR SISInformation:
HYDRAULIC SYSTEM
VALVE GP-PILOT
Specifications
Pilot Valve (Joystick)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Pilot Valve (Travel)
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Pilot Valve (Joystick)
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System