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349-0502 PUMP & MTG GP-MAIN HYDRAULIC S/N MXH1-1089 PART OF 259-7952 HYDRAULIC AR ALSO AN ATTACHMENT 306


HYDRAULIC SYSTEM
PUMP GP
FILTER GP
PUMP GP
SWIVEL GP
TANK GP

MINI HYD EXCAVATOR 306 MINI HYD EXCAVATOR MXH
 306 Mini Hydraulic Excavator MXH00001-UP (MACHINE) POWERED BY 4M40 Engine SEBP5084 306 MXH   (2009)

HYDRAULIC SYSTEM

PUMP GP
COUPLING GP-PUMP
102-3747 COUPLING GP-PUMP
HOUSING GP-PUMP
194-9981 HOUSING GP-PUMP
PUMP & MTG GP-MAIN HYDRAULIC
349-0502 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-GEAR
386-6646 PUMP GP-GEAR
PUMP GP-MAIN HYDRAULIC
341-7666 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
349-0500 PUMP GP-PISTON
 

#SEBP50840210
 

349-0502: PUMP & MTG GP-MAIN HYDRAULIC

349-0502 PUMP & MTG GP-MAIN HYDRAULIC
S/N MXH1-1089
PART OF 259-7952 HYDRAULIC AR
ALSO AN ATTACHMENT
i03780659 SEBP5084
3490502 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 306 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 349-0500 Y [1] PUMP GP-PISTON (MAIN HYDRAULIC)  
2. 8T-7338 M [4] BOLT (M16X2X45-MM)  
3. 9X-8257 [4] WASHER (17.5X30X3.5-MM THK)  
4. 102-3747 Y [1] COUPLING GP-PUMP  
5. 8T-4136 M [12] BOLT (M10X1.5X25-MM)  
6. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
7. 322-2994 [1] COVER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50840211
 

386-6646: PUMP GP-GEAR

386-6646 PUMP GP-GEAR -HYD LOCKOUT, TRAVEL SP, IMPL
S/N MXH1150-1169
PART OF 341-7666 PUMP GP-MAIN HYDRAULIC
AN ATTACHMENT
i05346203 SEBP5084
3866646 PUMP GP-GEAR Parts scheme
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Parts for your 306 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 393-9487 [1] KIT-SEAL (GEAR PUMP)  
    (INCLUDES PARTS MARKED " J " IN GRAPHIC)
2. 9X-2158 M [4] BOLT-SOCKET HEAD (M10X1.5X90-MM)  
  M   METRIC PART
 

#SEBP50840212
 

341-7666: PUMP GP-MAIN HYDRAULIC

341-7666 PUMP GP-MAIN HYDRAULIC -MAIN HYDRAULIC
S/N MXH1150-1169
PART OF 333-5627 COUPLING & MTG GP-PUMP
AN ATTACHMENT
i04263729 SEBP5084
3417666 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 306 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 393-9484 [1] KIT-SHAFT  
2. 393-9485 [2] KIT-PUMP  
3. 393-9486 [1] KIT-VALVE (PILOT RELIEF)  
    (INCLUDES O-RING SEAL)
4. 393-9489 [1] KIT-SHAFT SEAL (SHAFT)  
    (INCLUDES SEALS & PARTS MARKED " H " IN GRAPHIC)
5. 386-6646 Y [1] PUMP GP-GEAR (HYD LOCKOUT, TRAVEL SP, IMPL)  
6. 8T-1159 M [2] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
7. 8T-3957 M [3] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
8. 8T-0343 M [1] BOLT-SOCKET HEAD (M12X1.75X55-MM)  
9. 5A-3604 M [2] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
10. 6V-5192 M [2] BOLT-SOCKET HEAD (M8X1.25X30-MM)  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  393-9488 [1] KIT-SEAL (PISTON PUMP)  
    (INCLUDES SEAL & PARTS MARKED " H " IN GRAPHIC)
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP50840213
 

349-0500: PUMP GP-PISTON

349-0500 PUMP GP-PISTON -MAIN HYDRAULIC
S/N MXH1-1089
PART OF 349-0502 PUMP & MTG GP-MAIN HYDRAULIC
ALSO AN ATTACHMENT
i03780661 SEBP5084
3490500 PUMP GP-PISTON Parts scheme
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Parts for your 306 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. 194-9981 Y [1] HOUSING GP-PUMP  
7. 085-5584 [1] PLUG  
8. 095-1579 [1] SEAL-O-RING  
9. 3T-7529 [1] SEAL-O-RING  
10. 095-1574 [1] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP50840214
 

165-9331: SCREEN GP-HYDRAULIC

165-9331 SCREEN GP-HYDRAULIC
S/N MXH1-1089
PART OF 328-6518, 333-5660 TANK & FILTER GP-HYDRAULIC
ALSO AN ATTACHMENT
i02497408 SEBP5084
1659331 SCREEN GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 306 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
 

#SEBP50840215
 

274-5941: SHAFT GP-DRIVE

274-5941 SHAFT GP-DRIVE
S/N MXH1-1089
PART OF 349-0500 PUMP GP-PISTON
ALSO AN ATTACHMENT
i02752141 SEBP5084
2745941 SHAFT GP-DRIVE Parts scheme
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Parts for your 306 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. 8T-9597 [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  
 

#SEBP50840216
 

274-5942: SWASHPLATE GP

274-5942 SWASHPLATE GP
S/N MXH1-1089
PART OF 194-9981 HOUSING GP-PUMP
ALSO AN ATTACHMENT
i02757531 SEBP5084
2745942 SWASHPLATE GP Parts scheme
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Parts for your 306 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
 

#SEBP50840217
 

268-3054: SWIVEL GP

268-3054 SWIVEL GP
S/N MXH1-1089
PART OF 207-8329, 333-5641 LINES GP-TRAVEL MOTOR
ALSO AN ATTACHMENT
i02497458 SEBP5084
2683054 SWIVEL GP Parts scheme 2683054 SWIVEL GP Parts scheme
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Parts for your 306 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
 

#SEBP50840218
 

328-6518: TANK & FILTER GP-HYDRAULIC

328-6518 TANK & FILTER GP-HYDRAULIC
S/N MXH1-1089
87-L (23-US GAL)
PART OF 259-7955 TANK & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i04268112 SEBP5084
3286518 TANK & FILTER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 306 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)(HYDRAULIC)  
13. 347-6081 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
 

#SEBP50840219
 

333-5660: TANK & FILTER GP-HYDRAULIC

333-5660 TANK & FILTER GP-HYDRAULIC
S/N MXH1150-1169
87-L (23-US GAL)
PART OF 333-5658 TANK & MTG GP-HYDRAULIC
AN ATTACHMENT
i04263774 SEBP5084
3335660 TANK & FILTER GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 306 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. 165-9331 Y [1] SCREEN GP-HYDRAULIC  
10. 200-3259 [1] FILTER ELEMENT AS-OIL (ADVANCED EFFICIENCY)(HYDRAULIC)  
12. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
13. 095-1725 [1] SEAL-O-RING  
14. 3K-0360 [1] SEAL-O-RING  
15. 5M-2057 [1] SEAL-O-RING  
16. 8T-4121 [12] WASHER-HARD (11X21X2.5-MM THK)  
17. 8T-4137 M [12] BOLT (M10X1.5X20-MM)  
18. 9S-4185 [1] PLUG (3/4-16-THD)  
19. 7Y-1976 E HOSE-WATER (110-CM)  
  E   ORDER BY THE CENTIMETER
  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}
Specifications
Main Hydraulic Pump
306 Mini Hydraulic Excavator Machine System Specifications
Main Hydraulic Pump Mounting
306 Mini Hydraulic Excavator Machine System Specifications
Main Hydraulic Pump Mounting
306 Mini Hydraulic Excavator 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}
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}
Testing and Adjusting
Main Hydraulic Pump Air - Purge
306 Mini Hydraulic Excavator Hydraulic System
Swing Speed and Overswing on Level Ground - Check
306 Mini Hydraulic Excavator Hydraulic System
Swing Speed and Swing Drift on a Slope - Check
306 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

Caterpillar Parts SIS Catalog 306 :

MOTOR GP-TRAVEL
210-2758 MOTOR GP-TRAVEL
MOTOR GP-SWING
341-7653 MOTOR GP-SWING
MOTOR GP-SWING
274-9032 MOTOR GP-SWING
MOTOR GP-SWING
269-4283 MOTOR GP-SWING
MOTOR GP-PISTON
355-5953 MOTOR GP-PISTON
MANIFOLD GP-CONTROL
359-7240 MANIFOLD GP-CONTROL
MANIFOLD GP-CONTROL
191-1390 MANIFOLD GP-CONTROL
LINES GP-TRAVEL MOTOR
333-5641 LINES GP-TRAVEL MOTOR
PUMP GP-GEAR
386-6646 PUMP GP-GEAR
PUMP GP-MAIN HYDRAULIC
341-7666 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
349-0500 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
328-6518 TANK & FILTER GP-HYDRAULIC

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