AVSPARE.COM
parts catalog
  1. Home
  2. Caterpillar catalog

319-8366 PUMP & MTG GP-MAIN HYDRAULIC S/N HWJ3001-UP PART OF 319-8367 HYDRAULIC AR 305C CR MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
PUMP GP
VALVE GP-CONTROL
PUMP GP
SWIVEL GP
TANK GP

MINI HYD EXCAVATOR 305C CR MINI HYD EXCAVATOR HWJ
 305 C CR Mini Hydraulic Excavator HWJ00001-UP (MACHINE) POWERED BY S4Q2T Engine SEBP4463 305C CR HWJ   (2005)

HYDRAULIC SYSTEM

PUMP GP
279-4711 BARREL GP-PUMP
267-3271 CONTROL AR-HYDRAULIC
PUMP & MTG GP-MAIN HYDRAULIC
266-6828 PUMP & MTG GP-MAIN HYDRAULIC
PUMP & MTG GP-MAIN HYDRAULIC
319-8366 PUMP & MTG GP-MAIN HYDRAULIC
279-4699 PUMP GP-GEAR
PUMP GP-MAIN HYDRAULIC
266-6827 PUMP GP-MAIN HYDRAULIC
279-4710 SWASHPLATE GP
VALVE GP-PUMP CONTROL
279-4712 VALVE GP-PUMP CONTROL
VALVE GP-PUMP CONTROL
332-1295 VALVE GP-PUMP CONTROL
 

#SEBP44630290
 

319-8366: PUMP & MTG GP-MAIN HYDRAULIC

319-8366 PUMP & MTG GP-MAIN HYDRAULIC
S/N HWJ3001-UP
PART OF 319-8367 HYDRAULIC AR
i02888271 SEBP4463
3198366 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 266-6827 Y [1] PUMP GP-MAIN HYDRAULIC  
2. 267-1082 [1] COUPLING-PUMP  
3. 281-8127 [1] HOUSING-FLYWHEEL  
4. 127-4839 M [1] BOLT (M10X1.25X25-MM)  
5. 128-7747 M [3] BOLT (M10X1.25X40-MM)  
6. 191-7503 M [3] BOLT (M12X1.75X16-MM)  
7. 198-4777 [1] WASHER-HARD (11X25X10-MM THK)  
8. 205-6883 [1] BOLT (M10X1.25X55-MM)  
9. 8T-4121 [7] WASHER-HARD (11X21X2.5-MM THK)  
10. 8T-7338 M [2] BOLT (M16X2X45-MM)  
11. 9X-8257 [2] WASHER (17.5X30X3.5-MM THK)  
12. 9X-8912 M [3] BOLT (M10X1.25X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP44630291
 

279-4699: PUMP GP-GEAR

279-4699 PUMP GP-GEAR -PILOT
PART OF 266-6827 PUMP GP-MAIN HYDRAULIC
i02429916 SEBP4463
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#SEBP44630292
 

266-6827: PUMP GP-MAIN HYDRAULIC

266-6827 PUMP GP-MAIN HYDRAULIC
PART OF 266-6828, 319-8366 PUMP & MTG GP-MAIN HYDRAULIC
i02408378 SEBP4463
2666827 PUMP GP-MAIN HYDRAULIC Parts scheme 2666827 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 279-4683 [1] BEARING  
2. 191-3925 [1] BEARING  
3. 279-4684 H [1] SEAL  
4. 6V-7723 [1] RING-RETAINING  
5. 279-4685 [1] SHAFT  
6. 191-3918 [1] WASHER  
7. 191-3920 [1] WASHER  
8. 279-4686 H [1] GASKET  
9. 279-4687 [3] PIN  
10. 279-4688 [2] BUSHING  
11. 139-7355 [2] SCREW  
12. 279-4689 [1] PLATE  
13. 279-4690 [1] PIN  
14. 095-1575 HJ [8] SEAL-O-RING  
15. 279-4691 [1] ORIFICE  
16. 279-4692 [1] STOPPER  
17. 279-4693 [1] PIN  
18. 279-4694 [1] SPRING  
19. 279-4695 [1] SPRING  
20. 279-4696 [2] SEAT-SPRING  
21. 279-4697 P [1] VALVE AS-PUMP  
22. 095-1587 P [1] SEAL-O-RING  
23. 099-7197 P [1] PLUG  
24. 095-1582 P [1] SEAL-O-RING  
25. 279-4698 [1] NUT  
26. 279-4699 Y [1] PUMP GP-GEAR (PILOT)  
27. 303-4492 [2] BOLT  
28. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
29. 6V-8200 M [6] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
31. 095-1584 LN [1] SEAL-O-RING  
32. 3J-1907 JN [4] SEAL-O-RING  
33. 6V-5683 M [4] BOLT (M6X1X16-MM)  
34. 191-3927 [1] STOP  
35. 279-4701 J [1] SEAL-O-RING  
36. 279-4702 [1] PIN  
37. 095-1571 [1] SEAL-O-RING  
38. 279-4703 J [1] SEAL-O-RING  
39. 279-4704 N [1] ORIFICE  
40. 279-4705 J [1] SEAL-O-RING  
41. 279-4706 [3] PLUG  
42. 279-4710 Y [1] SWASHPLATE GP  
43. 279-4711 Y [1] BARREL GP-PUMP  
44. 279-4712 Y [1] VALVE GP-PUMP CONTROL  
   
   
    AVAILABLE REPAIR KIT(S):
  279-4707 J [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
  279-4708 H [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
  279-4709 L [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
  H   (KIT MARKED H SERVICES PARTS MARKED H)
  J   (KIT MARKED J SERVICES PARTS MARKED J)
  L   (KIT MARKED L SERVICES PARTS MARKED L)
  M   METRIC PART
  N   INCLUDED IN 279-4712 VALVE GP
  P   INCLUDED IN 279-4697 VALVE AS
  Y   SEPARATE ILLUSTRATION
 

#SEBP44630293
 

333-9463: SPOOL GP-CONTROL VALVE

333-9463 SPOOL GP-CONTROL VALVE
FIELD INSTALLATION
i03302905 SEBP4463
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  333-9464 [1] SPOOL-VALVE (BOOM)  
  333-9465 [1] SPOOL-VALVE (STICK)  
 

#SEBP44630294
 

337-4979: SPOOL GP-CONTROL VALVE

337-4979 SPOOL GP-CONTROL VALVE
FIELD INSTALLATION
i03517665 SEBP4463
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  340-4606 [1] SPOOL-VALVE (BOOM)  
  338-3274 [1] SPOOL-VALVE (STICK)  
 

#SEBP44630295
 

279-4710: SWASHPLATE GP

279-4710 SWASHPLATE GP
PART OF 266-6827 PUMP GP-MAIN HYDRAULIC
i02429918 SEBP4463
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    (NO SERVICED PARTS)
 

#SEBP44630296
 

266-6836: SWIVEL GP

266-6836 SWIVEL GP
PART OF 280-7619 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i02697464 SEBP4463
2666836 SWIVEL GP Parts scheme
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-3344 [1] SHAFT  
2. 274-3346 [1] HOUSING  
3. 294-1868 [1] COVER  
4. 274-3349 [1] SPACER  
5. 169-1136 [1] PIN  
6. 274-3351 [6] SEAL AS  
7. 193-5330 [4] SEAL AS  
8. 095-1623 [1] SEAL-O-RING  
9. 095-1713 [2] SEAL-O-RING  
10. 8T-5376 [1] SEAL-O-RING  
11. 146-4875 [1] SEAL-BACK UP  
12. 146-4877 [1] SEAL-DUST  
13. 095-0929 [1] RING-RETAINING  
14. 9X-6032 M [4] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
15. 095-0966 [5] PLUG  
  M   METRIC PART
 

#SEBP44630297
 

268-3054: SWIVEL GP

268-3054 SWIVEL GP
PART OF 266-8126, 292-3333 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i02416323 SEBP4463
2683054 SWIVEL GP Parts scheme 2683054 SWIVEL GP Parts scheme
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 269-0337 [7] SEAL  
2. 251-8485 [1] COVER  
3. 251-8486 [1] HOUSING  
4. 251-8487 [1] ROTOR  
5. 251-8488 [1] SEAL  
6. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
7. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
8. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
9. 095-1714 [1] SEAL-O-RING  
10. 251-8489 [1] RETAINER  
11. 095-1623 [1] SEAL-O-RING  
12. 095-1710 [1] SEAL-O-RING  
13. 251-8490 [1] PIN  
  M   METRIC PART
 

#SEBP44630298
 

265-8600: TANK & FILTER GP-HYDRAULIC

265-8600 TANK & FILTER GP-HYDRAULIC
PART OF 265-8342 TANK & MTG GP-HYDRAULIC
i02407050 SEBP4463
2658600 TANK & FILTER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-4278 [1] CLAMP-HOSE  
2. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
3. 093-5537 [1] VALVE AS-CHECK (HYDRAULIC TANK)  
4. 304-7195 [1] FILTER ELEMENT AS-OIL (HYDRAULIC TANK)  
5. 120-8758 [1] VALVE AS-BYPASS (HYDRAULIC TANK)  
6. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
7. 246-5339 [1] SPRING  
8. 265-8601 [1] TANK AS-HYDRAULIC  
9. 265-8630 [1] STRAINER-SUCTION (HYDRAULIC TANK)  
10. 265-8631 [1] COVER AS  
11. 265-8633 [1] COVER  
12. 265-8634 [1] FOAM  
13. 265-8635 [1] FOAM  
14. 265-8636 [1] FOAM  
15. 265-8637 [1] FOAM  
16. 095-1717 [1] SEAL-O-RING  
17. 095-1723 [1] SEAL-O-RING  
18. 8T-4121 [10] WASHER-HARD (11X21X2.5-MM THK)  
19. 8T-4136 M [10] BOLT (M10X1.5X25-MM)  
20. 7Y-1976 E HOSE-WATER (91-CM)  
21. 5P-5926 D SEAL (0.3-M)  
22. 3S-2093 [1] STRAP-CABLE  
  D   ORDER BY THE METER
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP44630299
 

265-8342: TANK & MTG GP-HYDRAULIC

265-8342 TANK & MTG GP-HYDRAULIC
PART OF 264-8437, 319-8367 HYDRAULIC AR
i02406986 SEBP4463
2658342 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8600 Y [1] TANK & FILTER GP-HYDRAULIC  
2. 7X-7729 [4] WASHER (11X25X3-MM THK)  
3. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}
Procedure for Replacing the Pump Control Valve on Certain Mini Hydraulic Excavators{5455}
Procedure for Replacing the Pump Control Valve on Certain Mini Hydraulic Excavators{5455}
Service Letter-NACD
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PUMP CONTROL VALVE ON CERTAIN 303C CR, 303.5C CR, 304C CR, AND 305C CR MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PUMP CONTROL VALVE ON CERTAIN 303C CR, 303.5C CR, 304C CR, AND 305C CR MINI HYDRAULIC EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
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}
Service Letter-China
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PUMP CONTROL VALVE ON CERTAIN 303C CR, 303.5C CR, 304C CR, AND 305C CR MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PUMP CONTROL VALVE ON CERTAIN 303C CR, 303.5C CR, 304C CR, AND 305C CR MINI HYDRAULIC EXCAVATORS
Service Letter-Asia
Systems Operation
Main Hydraulic Pump
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Pump Control (Main Hydraulic)
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}
Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Service Letter-APD
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PUMP CONTROL VALVE ON CERTAIN 303C CR, 303.5C CR, 304C CR, AND 305C CR MINI HYDRAULIC EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE PUMP CONTROL VALVE ON CERTAIN 303C CR, 303.5C CR, 304C CR, AND 305C CR MINI HYDRAULIC EXCAVATORS
Testing and Adjusting
Main Hydraulic Pump Air - Purge
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Swing Speed and Overswing on Level Ground - Check
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Main Pump (Flow) - Test
304C CR and 305C CR Mini Hydraulic Excavators Hydraulic System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}
Disassembly and Assembly
Main Hydraulic Pump - Remove
304C and 305C Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Install
304C and 305C Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Disassemble
304C and 305C Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Assemble
304C and 305C Mini Hydraulic Excavators Machine Systems
Service Magazine
The Pump Control Valve Has Been Improved on Certain Mini Hydraulic Excavators {5455}
2008/09/01
Correction to Testing and Adjusting , "Main Pump (Flow) - Test" for Certain Mini Hydraulic Excavators {5070}
2008/09/15

Caterpillar Parts SIS Catalog 305C CR :

PUMP & MTG GP-MAIN HYDRAULIC
266-6828 PUMP & MTG GP-MAIN HYDRAULIC
MOTOR & MTG GP-SWING
265-8748 MOTOR & MTG GP-SWING
MANIFOLD GP-CONTROL
274-4199 MANIFOLD GP-CONTROL
MANIFOLD & SOLENOID GP-CONTROL
267-0424 MANIFOLD & SOLENOID GP-CONTROL
LINES GP-TRAVEL MOTOR
292-3333 LINES GP-TRAVEL MOTOR
LINES GP-TRAVEL MOTOR
280-7619 LINES GP-TRAVEL MOTOR
LINES GP-TRAVEL MOTOR
266-8126 LINES GP-TRAVEL MOTOR
LINES GP-SWING MOTOR
292-3332 LINES GP-SWING MOTOR
279-4699 PUMP GP-GEAR
PUMP GP-MAIN HYDRAULIC
266-6827 PUMP GP-MAIN HYDRAULIC
333-9463 SPOOL GP-CONTROL VALVE
337-4979 SPOOL GP-CONTROL VALVE
279-4710 SWASHPLATE GP
SWIVEL GP
266-6836 SWIVEL GP
SWIVEL GP
268-3054 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
265-8600 TANK & FILTER GP-HYDRAULIC

Truck sale:

Caterpillar 305C CR
 
Caterpillar 305C CR
- Crawler Excavators
WAGNER EQUIPMENT CO
Caterpillar 305C CR
 
Caterpillar 305C CR
- Crawler Excavators
WAGNER EQUIPMENT CO
Caterpillar 305CCR, Crawler Excavators, Construction
38,500 
Caterpillar 305CCR, Crawler Excavators, Construction
- Crawler Excavators
FOLEY, INC.
Caterpillar 305CCR, Crawler Excavators, Construction
38,500 
Caterpillar 305CCR, Crawler Excavators, Construction
- Crawler Excavators
FOLEY, INC.
Caterpillar 305C CR, Rupsgraafmachines, Bouw
32.800 
Caterpillar 305C CR, Rupsgraafmachines, Bouw
- Crawler excavators
WARREN CAT
Back to top
Contacts Request list Affiliate disclosure
The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
AVSpare.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only. Cat® and Caterpillar® are registered trademarks of Caterpillar, Inc.