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

303-1420 PUMP GP-GEAR PART OF 274-5947 PUMP GP-GEAR 305.5 MINI HYD EXCAVATOR


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

MINI HYD EXCAVATOR 305.5 MINI HYD EXCAVATOR DCK
 305.5 Mini Hydraulic Excavator DCK00001-UP (MACHINE) POWERED BY 4M40 Engine SEBP4378 305.5 DCK   (2005)

HYDRAULIC SYSTEM

PUMP GP
PUMP & MTG GP-MAIN HYDRAULIC
323-5684 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-GEAR
274-5947 PUMP GP-GEAR
PUMP GP-GEAR
303-1420 PUMP GP-GEAR
PUMP GP-MAIN HYDRAULIC
259-7954 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
297-6575 PUMP GP-PISTON
SHAFT GP-DRIVE
274-5941 SHAFT GP-DRIVE
 

#SEBP43780190
 

303-1420: PUMP GP-GEAR

303-1420 PUMP GP-GEAR
PART OF 274-5947 PUMP GP-GEAR
i03082447 SEBP4378
3031420 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 303-1447 [1] COUPLING  
2. 303-1416 [1] RING  
3. 303-1448 [1] FRAME  
4. 094-1875 [2] DOWEL  
5. 085-5563 [1] PLATE  
6. 303-0291 [1] GEAR-PUMP  
7. 107-6915 [1] HOUSING  
8. 3E-8025 M [4] BOLT-SOCKET HEAD (M8X1.25X50-MM)  
9. 085-5562 [4] BUSHING  
10. 085-5556 [1] GEAR  
11. 085-5558 [1] RING-SQUARE  
12. 085-5557 [1] RING-BACKUP  
13. 8C-5196 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP43780191
 

259-7954: PUMP GP-MAIN HYDRAULIC

259-7954 PUMP GP-MAIN HYDRAULIC
PART OF 259-7953 PUMP & MTG GP-MAIN HYDRAULIC
i02326302 SEBP4378
2597954 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-5941 Y [1] SHAFT GP-DRIVE  
2. 274-5942 [1] SWASHPLATE GP  
3. 274-5943 Y [1] BARREL GP-PUMP  
4. 274-5944 Y [1] BLOCK GP-HYDRAULIC  
5. 274-5945 Y [1] ACTUATOR GP-PUMP (SPRING)  
6. 274-5946 Y [1] ACTUATOR GP-PUMP (PISTON)  
7. 274-5947 Y [1] PUMP GP-GEAR (BLADE, PILOT, SWING)  
8. 194-9981 [1] HOUSING GP-PUMP  
8A. 5A-3604 M [4] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
  8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
8B. 107-6663 [1] COVER  
  6V-7659 [1] SEAL-O-RING  
9. 085-5584 [1] PLUG  
10. 095-1574 [2] SEAL-O-RING  
11. 3T-7529 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP43780192
 

297-6575: PUMP GP-PISTON

297-6575 PUMP GP-PISTON
PART OF 297-9339, 323-5684 PUMP & MTG GP-MAIN HYDRAULIC
i03022262 SEBP4378
2976575 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-5941 Y [1] SHAFT GP-DRIVE  
2. 274-5943 Y [1] BARREL GP-PUMP  
3. 274-5944 Y [1] BLOCK GP-HYDRAULIC  
4. 274-5945 Y [1] ACTUATOR GP-PUMP (SPRING)  
5. 309-6631 Y [1] ACTUATOR GP-PUMP (PISTON)  
6. 095-1574 [1] SEAL-O-RING  
7. 194-9981 Y [1] HOUSING GP-PUMP  
8. 085-5584 [1] PLUG  
9. 095-1579 [1] SEAL-O-RING  
10. 3T-7529 [1] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP43780193
 

165-9331: SCREEN GP-HYDRAULIC

165-9331 SCREEN GP-HYDRAULIC
PART OF 260-5256 TANK & FILTER GP-HYDRAULIC
i02301014 SEBP4378
1659331 SCREEN GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-6639 [1] SPRING  
2. 165-9332 [1] ROD AS  
3. 8T-4133 M [1] NUT (M10X1.5-THD)  
4. 099-6875 [1] SCREEN AS (HYDRAULIC)  
5. 099-4780 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP43780194
 

274-5941: SHAFT GP-DRIVE

274-5941 SHAFT GP-DRIVE
PART OF 259-7954 PUMP GP-MAIN HYDRAULIC, 297-6575 PUMP GP-PISTON
i02752144 SEBP4378
2745941 SHAFT GP-DRIVE Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-1145 [1] RING-RETAINING (INTERNAL)  
2. 7R-8872 [1] SEAL-O-RING  
3. 6V-5200 [2] RING-RETAINING  
4. 107-6659 [1] CASE  
5. 107-6661 [1] SEAL-LIP TYPE  
6. 111-3239 [1] BALL BEARING  
7. 309-6623 [1] SHAFT  
 

#SEBP43780195
 

274-5942: SWASHPLATE GP

274-5942 SWASHPLATE GP
PART OF 194-9981 HOUSING GP-PUMP
i03121580 SEBP4378
2745942 SWASHPLATE GP Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 107-6663 [1] COVER  
2. 6V-7659 [1] SEAL-O-RING  
3. 5A-3604 M [4] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
4. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
5. 111-2414 [2] CONE-BEARING  
6. 107-6664 [1] COLLAR  
7. 107-6662 [1] SWASHPLATE  
  M   METRIC PART
 

#SEBP43780196
 

268-3054: SWIVEL GP

268-3054 SWIVEL GP
PART OF 207-8329 LINES GP-TRAVEL MOTOR
i02326035 SEBP4378
2683054 SWIVEL GP Parts scheme 2683054 SWIVEL GP Parts scheme
  For full view, you need register

Parts for your 305.5 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
 

#SEBP43780197
 

260-5256: TANK & FILTER GP-HYDRAULIC

260-5256 TANK & FILTER GP-HYDRAULIC
PART OF 259-7955 TANK & MTG GP-HYDRAULIC
i02301013 SEBP4378
2605256 TANK & FILTER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5 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. 9J-7031 [1] PLUG-DRAIN (HYDRAULIC TANK)  
4. 093-5570 [1] VALVE AS (BYPASS)  
5. 095-1723 [1] SEAL-O-RING  
6. 095-6804 [1] SPRING  
7. 103-8238 [1] COVER AS  
8. 103-8240 [1] COVER  
9. 131-9947 [1] GUARD  
10. 165-9331 Y [1] SCREEN GP-HYDRAULIC  
11. 200-3259 [1] FILTER ELEMENT AS-OIL (ADVANCED EFFICIENCY)  
12. 227-0620 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
14. 095-1725 [1] SEAL-O-RING  
15. 3K-0360 [2] SEAL-O-RING  
16. 5M-2057 [1] SEAL-O-RING  
17. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
18. 8T-4137 M [12] BOLT (M10X1.5X20-MM)  
19. 9S-4185 [2] PLUG (3/4-16-THD)  
20. 7Y-1976 E HOSE-WATER (110-CM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP43780198
 

259-7955: TANK & MTG GP-HYDRAULIC

259-7955 TANK & MTG GP-HYDRAULIC
PART OF 259-7952 HYDRAULIC AR
i02301011 SEBP4378
2597955 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 177-5987 [4] SPACER (17X35X56.5-MM THK)  
2. 260-5256 Y [1] TANK & FILTER GP-HYDRAULIC  
3. 8T-4175 M [4] BOLT (M16X2X90-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP43780199
 

266-2643: VALVE & MTG GP-MAIN CONTROL

266-2643 VALVE & MTG GP-MAIN CONTROL
PART OF 259-7952 HYDRAULIC AR
i02301302 SEBP4378
2662643 VALVE & MTG GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 305.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8D-3786 [4] MOUNTING  
2. 191-4743 [1] PLATE  
3. 269-5956 Y [1] VALVE GP-MAIN CONTROL  
4. 7X-0618 [8] WASHER-HARD (13.5X40X5-MM THK)  
5. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-4137 M [4] BOLT (M10X1.5X20-MM)  
7. 8T-4910 M [4] BOLT (M12X1.75X60-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 Installing a New Pump and Valve Spool{5070, 5073}
Procedure for Installing a New Pump and Valve Spool{5070, 5073}
Procedure for Modifying the Cover for the Hydraulic Pump Drive{1205, 1207, 1384, 3108, 5062, 5070}
Procedure for Modifying the Cover for the Hydraulic Pump Drive{1205, 1207, 1384, 3108, 5062, 5070}
Service Letter-NACD
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Service Letter-Australia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
Service Letter-CFEL
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
Service Letter-CSARL
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Service Letter-Americas
Technical Information Bulletin
Oil Leaks Can be Observed from the Main Hydraulic Pump and from the Pilot Pump on the 305.5 Mini Hydraulic Excavator{5070}
Oil Leaks Can be Observed from the Main Hydraulic Pump and from the Pilot Pump on the 305.5 Mini Hydraulic Excavator{5070}
Specifications
Main Hydraulic Pump
305.5 Mini Hydraulic Excavator Machine System Specifications
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 Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
Service Letter-Asia
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
Systems Operation
Main Hydraulic Pump
305.5 and 306 Mini Hydraulic Excavators Hydraulic System
Pump Control (Main Hydraulic)
305.5 and 306 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 Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
Product Support Program For Improving Controllability On Certain 305.5 Mini Hydraulic Excavators
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE PUMP SHAFT SEAL ON CERTAIN 305.5 MINI HYDRAULIC EXCAVATORS
Testing and Adjusting
Swing Speed and Overswing on Level Ground - Check
305.5 Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
305.5 Mini Hydraulic Excavator Hydraulic System
Main Hydraulic Pump Air - Purge
305.5 Mini Hydraulic Excavator 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
Gear Pump (Pilot) - Install
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Remove
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Install
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Gear Pump (Pilot) - Disassemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Gear Pump (Pilot) - Assemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Disassemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Main Hydraulic Pump - Assemble
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Gear Pump (Pilot) - Remove
305.5 and 306 Mini Hydraulic Excavators Machine Systems
Service Magazine
Improved Seal Life in Hydraulic Pump of 305.5 Mini Hydraulic Excavators {5070}
2008/11/17

Caterpillar Parts SIS Catalog 305.5 :

PUMP GP-GEAR
274-5947 PUMP GP-GEAR
PUMP & MTG GP-MAIN HYDRAULIC
323-5684 PUMP & MTG GP-MAIN HYDRAULIC
PUMP & MTG GP-MAIN HYDRAULIC
297-9339 PUMP & MTG GP-MAIN HYDRAULIC
PUMP & MTG GP-MAIN HYDRAULIC
259-7953 PUMP & MTG GP-MAIN HYDRAULIC
MOTOR GP-SWING
274-9032 MOTOR GP-SWING
MOTOR GP-SWING
269-4283 MOTOR GP-SWING
MANIFOLD GP-CONTROL
191-1390 MANIFOLD GP-CONTROL
LINES GP-TRAVEL MOTOR
207-8329 LINES GP-TRAVEL MOTOR
PUMP GP-MAIN HYDRAULIC
259-7954 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
297-6575 PUMP GP-PISTON
SCREEN GP-HYDRAULIC
165-9331 SCREEN GP-HYDRAULIC
SHAFT GP-DRIVE
274-5941 SHAFT GP-DRIVE
SWASHPLATE GP
274-5942 SWASHPLATE GP
SWIVEL GP
268-3054 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
260-5256 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
259-7955 TANK & MTG GP-HYDRAULIC

Truck sale:

 
$48,400 USD 
CATERPILLAR 305.5 2015
- TRACK EXCAVATORS
MUSTANG RENTAL SERVICES
 
$48,400 USD 
CATERPILLAR 305.5 2015
- TRACK EXCAVATORS
MUSTANG RENTAL SERVICES
CATERPILLAR 305.5 2015
$48,400 USD 
CATERPILLAR 305.5 2015
- TRACK EXCAVATORS
MUSTANG RENTAL SERVICES
2012 CAT 305.5
USD $51,700 
2012 CAT 305.5

CGT SPA
Roma, Italy
 
USD $53,000 
2012 CAT 305.5

PBE Group, Inc.
Pine Bush, New York
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.