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

279-4699 PUMP GP-GEAR -PILOT PART OF 266-6827 PUMP GP-MAIN HYDRAULIC 305.5E MINI HYD EXCAVATOR


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

MINI HYD EXCAVATOR 305.5E MINI HYD EXCAVATOR YGB
 305.5E Mini Hydraulic Excavator YGB00001-UP (MACHINE) SEBP6450 305.5E YGB   (2012)

HYDRAULIC SYSTEM

PUMP GP
279-4711 BARREL GP-PUMP
PUMP & MTG GP-MAIN HYDRAULIC
376-2015 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
 

#SEBP64500190
 

279-4699: PUMP GP-GEAR

279-4699 PUMP GP-GEAR -PILOT
PART OF 266-6827 PUMP GP-MAIN HYDRAULIC
i03997877 SEBP6450
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

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

#SEBP64500191
 

266-6827: PUMP GP-MAIN HYDRAULIC

266-6827 PUMP GP-MAIN HYDRAULIC
PART OF 376-2015 PUMP & MTG GP-MAIN HYDRAULIC
i03997876 SEBP6450
2666827 PUMP GP-MAIN HYDRAULIC Parts scheme 2666827 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5E 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 HJL [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 (MAIN HYDRAULIC)  
22. 095-1587 JP [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 JLN [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 (HYDRAULIC)  
   
   
    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 PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  N   INCLUDED IN 279-4712 VALVE GP
  P   INCLUDED IN 279-4697 VALVE AS
  Y   SEPARATE ILLUSTRATION
 

#SEBP64500192
 

279-4710: SWASHPLATE GP

279-4710 SWASHPLATE GP
PART OF 266-6827 PUMP GP-MAIN HYDRAULIC
i03997880 SEBP6450
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    NO BREAKDOWN OF SERVICEABLE PARTS AVAILABLE AT TIME OF PUBLICATION
 

#SEBP64500193
 

373-4963: SWIVEL GP

373-4963 SWIVEL GP
PART OF 379-4673 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i04560852 SEBP6450
3734963 SWIVEL GP Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 269-0337 [6] SEAL  
2. 376-2017 [1] SEAL  
3. 251-8485 [1] COVER  
4. 251-8486 [1] HOUSING  
5. 251-8487 [1] ROTOR  
6. 251-8488 [1] SEAL  
7. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
8. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4908 M [2] BOLT (M8X1.25X25-MM)  
10. 095-1714 [1] SEAL-O-RING  
11. 251-8489 [1] RETAINER  
12. 095-1623 [1] SEAL-O-RING  
13. 095-1710 [1] SEAL-O-RING  
14. 252-5417 [3] PLUG  
15. 251-8490 [1] PIN  
16. 9S-8004 [3] PLUG (9/16-18-THD)  
17. 3J-1907 [3] SEAL-O-RING  
  M   METRIC PART
 

#SEBP64500194
 

367-1070: TANK & FILTER GP-HYDRAULIC

367-1070 TANK & FILTER GP-HYDRAULIC
PART OF 367-0937 TANK & MTG GP-HYDRAULIC
i04638098 SEBP6450
3671070 TANK & FILTER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
3. 120-8758 [1] VALVE AS-BYPASS (HYDRAULIC TANK)  
4. 246-5339 [1] SPRING  
5. 265-8631 [1] COVER AS  
6. 265-8633 [1] COVER  
7. 285-1951 [1] STRAINER-SUCTION (HYDRAULIC TANK)  
8. 304-7195 [1] FILTER ELEMENT AS-OIL (HYDRAULIC TANK)  
9. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
10. 367-1071 [1] TANK AS-HYDRAULIC  
11. 376-2025 [1] VALVE AS (HYDRAULIC TANK, FILTER)  
12. 095-1717 [1] SEAL-O-RING  
13. 095-1723 [1] SEAL-O-RING  
14. 148-8410 [1] PLUG AS  
  2M-9780 [1] SEAL-O-RING  
  9S-4190 [1] PLUG-O-RING (7/8-14-THD)  
15. 8T-4121 [10] WASHER-HARD (11X21X2.5-MM THK)  
16. 8T-4136 M [10] BOLT (M10X1.5X25-MM)  
17. 7Y-1976 E HOSE-WATER (108-CM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64500195
 

367-0937: TANK & MTG GP-HYDRAULIC

367-0937 TANK & MTG GP-HYDRAULIC
PART OF 393-1263 HYDRAULIC AR
i04589393 SEBP6450
3670937 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 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
 

#SEBP64500196
 

382-2561: VALVE & MOUNTING GP

382-2561 VALVE & MOUNTING GP -ALTERNATE PATTERN CONTROL
PART OF 391-2474 VALVE AR-ALT PATTERN CONTROL
AN ATTACHMENT
i04958452 SEBP6450
3822561 VALVE & MOUNTING GP Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 268-3579 Y [1] VALVE GP-PILOT (ALTERNATE PATTERN CONTROL)  
2. 311-3072 [1] CONNECTOR AS  
3. 353-4402 [3] ADAPTER AS  
4. 393-8688 [1] BRACKET AS  
5. 148-8325 [4] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
6. 148-8351 [8] ELBOW AS  
    (EACH INCLUDES)
  4J-5477 [1] SEAL-O-RING  
  6V-9849 [1] ELBOW  
7. 148-8368 [7] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8627 [1] ELBOW  
8. 150-3033 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  8T-0164 [1] ELBOW  
9. 150-3065 [2] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  6V-0484 [1] ELBOW  
10. 165-4931 [1] ELBOW AS  
  3J-1907 [1] SEAL-O-RING  
  6V-8077 [1] ELBOW  
11. 5P-4116 [2] WASHER-HARD (8.8X20.5X2-MM THK)  
12. 7X-7729 [3] WASHER (11X25X3-MM THK)  
13. 8T-4136 M [3] BOLT (M10X1.5X25-MM)  
14. 8T-4189 M [1] BOLT (M8X1.25X20-MM)  
15. 8T-4908 M [1] BOLT (M8X1.25X25-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64500197
 

393-6561: VALVE & MOUNTING GP

393-6561 VALVE & MOUNTING GP
PART OF 383-5974 BLADE AR-STRAIGHT
AN ATTACHMENT
i04958053 SEBP6450
3936561 VALVE & MOUNTING GP Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 377-9056 [1] SUPPORT AS  
  7T-1099 [1] LINK  
  8T-3490 M [2] NUT-WELD (M10X1.5-THD)  
2. 392-8323 Y [1] VALVE GP-MAIN CONTROL  
3. 148-8325 [2] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
4. 7X-7729 [4] WASHER (11X25X3-MM THK)  
5. 8T-4121 [6] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
7. 8T-4137 M [2] BOLT (M10X1.5X20-MM)  
8. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64500198
 

421-2717: VALVE & MOUNTING GP

421-2717 VALVE & MOUNTING GP -CANOPY
PART OF 383-5978, 383-5986 CANOPY AR
AN ATTACHMENT
i05023351 SEBP6450
4212717 VALVE & MOUNTING GP Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 101-7404 M [2] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
2. 438-8362 [1] VALVE GP-PILOT (CANOPY)  
  M   METRIC PART
 

#SEBP64500199
 

272-0475: VALVE & MTG GP-PILOT

272-0475 VALVE & MTG GP-PILOT -TRAVEL
S/N YGB1-156
PART OF 383-5946 CHASSIS AR
i05384786 SEBP6450
2720475 VALVE & MTG GP-PILOT Parts scheme
  For full view, you need register

Parts for your 305.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 330-4620 CY [1] VALVE GP-PILOT (TRAVEL)  
2. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
3. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  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}
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REWORKING THE DOWEL PIN AND PUMP COUPLING ON CERTAIN 305.5E AND 305E MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE DOWEL PIN AND PUMP COUPLING ON CERTAIN 305.5E AND 305E MINI HYDRAULIC EXCAVATORS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Main Hydraulic Pump
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Machine System Specifications
Tool Operating Manual
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 SUPPORT PROGRAM FOR REWORKING THE DOWEL PIN AND PUMP COUPLING ON CERTAIN 305.5E AND 305E MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE DOWEL PIN AND PUMP COUPLING ON CERTAIN 305.5E AND 305E MINI HYDRAULIC EXCAVATORS
Service Letter-Asia
Systems Operation
Main Hydraulic Pump
303.5E CR, 304E CR, 305.5E CR and 305E CR Mini Hydraulic Excavators Hydraulic System
Pump Control (Main Hydraulic)
303.5E CR, 304E CR, 305.5E CR and 305E 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 SUPPORT PROGRAM FOR REWORKING THE DOWEL PIN AND PUMP COUPLING ON CERTAIN 305.5E AND 305E MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE DOWEL PIN AND PUMP COUPLING ON CERTAIN 305.5E AND 305E MINI HYDRAULIC EXCAVATORS
Testing and Adjusting
Main Hydraulic Pump Air - Purge
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators Hydraulic System
Swing Speed and Overswing on Level Ground - Check
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
303.5E CR, 304E CR, 305E CR and 305.5E CR Mini Hydraulic Excavators Hydraulic System
Main Pump (Flow) - Test
303.5E CR, 304E CR, 305E CR and 305.5E 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}
Bench Test Procedure for Hydraulic Piston Pumps {5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070, 5070}
Disassembly and Assembly
Main Hydraulic Pump - Disassemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Remove
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Assemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Service Magazine
A New Hydraulic Pump Coupling Is Now Used on Certain E Series Mini Hydraulic Excavators {5070}
A New Hydraulic Pump Coupling Is Now Used on Certain E Series Mini Hydraulic Excavators {5070}

Caterpillar Parts SIS Catalog 305.5E :

PUMP & MTG GP-MAIN HYDRAULIC
376-2015 PUMP & MTG GP-MAIN HYDRAULIC
MOTOR & MTG GP-SWING
265-8748 MOTOR & MTG GP-SWING
MANIFOLD GP-CONTROL
274-4199 MANIFOLD GP-CONTROL
LINES GP-TRAVEL MOTOR
379-4673 LINES GP-TRAVEL MOTOR
LINES GP-SWING MOTOR
377-8867 LINES GP-SWING MOTOR
LINES GP-SWING CYLINDER
377-8870 LINES GP-SWING CYLINDER
LINES GP-STICK
353-2988 LINES GP-STICK
LINES GP-RETURN
377-8866 LINES GP-RETURN
PUMP GP-MAIN HYDRAULIC
266-6827 PUMP GP-MAIN HYDRAULIC
279-4710 SWASHPLATE GP
SWIVEL GP
373-4963 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
367-1070 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
367-0937 TANK & MTG GP-HYDRAULIC
VALVE & MOUNTING GP
382-2561 VALVE & MOUNTING GP
VALVE & MOUNTING GP
393-6561 VALVE & MOUNTING GP
VALVE & MOUNTING GP
421-2717 VALVE & MOUNTING GP
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.