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439-6407 COVER GP-VALVE MECHANISM PART OF 416-6065 ENGINE AR-PRIMARY 303E CR MINI HYD EXCAVATOR


BASIC ENGINE
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP
FLYWHEEL GP
GEAR GP
LIFTING GP-ENGINE
MOUNTING GP-ENGINE

MINI HYD EXCAVATOR 303E CR MINI HYD EXCAVATOR CK3
 303ECR Mini Hydraulic Excavator CK300001-UP (MACHINE) POWERED BY C1.3 Engine M0071204 303E CR CK3   (2016)

BASIC ENGINE

VALVE MECHANISM GP
COVER GP-VALVE MECHANISM
439-6407 COVER GP-VALVE MECHANISM
VALVE MECHANISM GP
439-7751 VALVE MECHANISM GP
 

#M00712040010
 

439-6407: COVER GP-VALVE MECHANISM

439-6407 COVER GP-VALVE MECHANISM
PART OF 416-6065 ENGINE AR-PRIMARY
i05335322 M0071204
4396407 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-7604 [1] TUBE  
2. 439-6364 [1] CLAMP  
3. 439-6460 [1] CLAMP  
4. 439-7626 [1] COVER AS-VALVE  
4A. 439-7627 [1] GASKET  
4B. 383-0563 [1] VALVE-BREATHER  
4C. 383-0524 [1] COVER  
4D. 439-6347 [4] SCREW  
4E. 383-0382 [1] PIPE  
5. 436-0817 [1] PLUG AS (ENGINE OIL FILLER)  
5A. 383-0217 [1] SEAL-O-RING  
6. 383-0574 [5] BOLT  
 

#M00712040011
 

439-7689: CRANKSHAFT GP

439-7689 CRANKSHAFT GP
PART OF 416-6065 ENGINE AR-PRIMARY
i05335315 M0071204
4397689 CRANKSHAFT GP Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-7650 [1] CRANKSHAFT AS  
1A. 439-6423 [1] SLEEVE  
1B. 439-7571 [1] KEY  
1C. 439-7600 [1] GEAR  
1D. 439-7656 [1] GEAR  
2. 439-7652 [1] BEARING  
3. 439-6354 [1] SEAL-O-RING  
4. 439-7630 H [1] BEARING (STANDARD)  
  439-7635 ABJ [1] BEARING (0.20-MM US)  
  439-7636 ABL [1] BEARING (0.40-MM US)  
5. 439-6371 H [2] BEARING (STANDARD)  
  439-6372 ABJ [2] BEARING (0.20-MM US)  
  439-6373 ABL [2] BEARING (0.40-MM US)  
6. 439-7596 H [2] BEARING (STANDARD)  
  439-7597 ABJ [2] BEARING (0.20-MM US)  
  439-7598 ABL [2] BEARING (0.40-MM US)  
   
    AVAILABLE REPAIR KIT(S):
  439-7632 H [1] KIT-BEARING (STANDARD)  
    (INCLUDES BEARINGS)
  439-7633 J [1] KIT-BEARING (0.20-MM US)  
    (INCLUDES BEARINGS)
  439-7634 L [1] KIT-BEARING (0.40-MM US)  
    (INCLUDES BEARINGS)
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  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
 

#M00712040012
 

439-7645: CYLINDER BLOCK AS

439-7645 CYLINDER BLOCK AS
PART OF 439-6379 CYLINDER BLOCK GP
i05335721 M0071204
4397645 CYLINDER BLOCK AS Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-6369 [4] CAP  
2. 383-0262 [1] CAP  
3. 383-0283 [6] PLUG  
4. 388-7435 [1] PLUG  
5. 439-6363 [2] BALL  
6. 383-0303 [2] PLUG  
7. 383-0304 [1] PLUG  
8. 383-0337 [1] PLUG  
9. 439-6355 [2] PIN  
10. 389-5105 [2] PIN  
11. 439-6356 [2] PIN  
12. 439-6366 [2] PIN  
13. 439-6429 [1] PIN  
14. 439-6456 [1] PLUG  
15. 439-7546 [1] PIN  
16. 439-7574 [1] PLUG  
17. 439-7564 [1] BEARING  
18. 383-0557 [1] PLUG  
19. 383-0256 [1] GASKET  
 

#M00712040013
 

439-6379: CYLINDER BLOCK GP

439-6379 CYLINDER BLOCK GP
PART OF 416-6065 ENGINE AR-PRIMARY
i05335330 M0071204
4396379 CYLINDER BLOCK GP Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-7645 Y [1] CYLINDER BLOCK AS  
2. 439-6361 [1] PLUG  
3. 439-6352 [1] GASKET  
4. 439-7579 [1] BEARING AS  
4A. 439-6405 [2] BOLT  
4B. 439-7584 [1] BEARING (STANDARD)  
  439-7585 ABO [1] BEARING (0.20-MM US)  
  439-7586 ABO [1] BEARING (0.40-MM US)  
5. 439-7617 [1] GASKET  
6. 439-6409 [1] COVER  
7. 439-7576 [1] SEAL-OIL  
8. 439-7552 [1] GASKET  
9. 439-7619 [8] BOLT  
10. 439-7620 [9] BOLT  
11. 439-7624 [1] BEARING AS  
11A. 439-6405 [2] BOLT  
11B. 439-7631 [1] BEARING (STANDARD)  
  439-7637 ABO [1] BEARING (0.20-MM US)  
  439-7638 ABO [1] BEARING (0.40-MM US)  
12. 439-6408 [2] BOLT  
13. 439-7625 [1] BEARING AS  
13A. 439-6405 [2] BOLT  
13B. 439-7631 [1] BEARING (STANDARD)  
  439-7637 ABO [1] BEARING (0.20-MM US)  
  439-7638 ABO [1] BEARING (0.40-MM US)  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  O   OPTIONAL SERVICE REPLACEMENT
  Y   SEPARATE ILLUSTRATION
 

#M00712040014
 

439-6404: CYLINDER HEAD GP

439-6404 CYLINDER HEAD GP
PART OF 416-6065 ENGINE AR-PRIMARY
i05335325 M0071204
4396404 CYLINDER HEAD GP Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-7647 [1] CYLINDER HEAD AS  
1A. 388-7434 [1] CAP  
1B. 383-0283 [2] PLUG  
1C. 389-0691 [3] GUIDE-VALVE (INLET)  
1D. 389-0692 [3] GUIDE-VALVE (EXHAUST)  
1E. 389-5103 [2] CAP  
2. 439-6402 [14] BOLT  
3. 439-7609 [1] GASKET-CYLINDER HEAD  
 

#M00712040015
 

439-7730: FLYWHEEL GP

439-7730 FLYWHEEL GP
PART OF 416-6065 ENGINE AR-PRIMARY
i05335305 M0071204
4397730 FLYWHEEL GP Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-7668 [1] FLYWHEEL AS  
1A. 439-7589 [1] GEAR-RING  
2. 439-6428 [6] BOLT  
3. 439-7674 [1] HOUSING-FLYWHEEL  
4. 439-6368 [8] BOLT  
5. 383-0598 [1] COVER  
6. 383-0169 [1] BOLT  
7. 383-0205 [1] WASHER  
8. 439-6343 [2] BOLT  
 

#M00712040016
 

439-6406: HOUSING GP-FRONT

439-6406 HOUSING GP-FRONT
PART OF 416-6065 ENGINE AR-PRIMARY
i05335324 M0071204
4396406 HOUSING GP-FRONT Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-7648 Y [1] HOUSING GP-FRONT  
2. 439-7623 [1] GASKET  
3. 439-6338 [3] BOLT  
4. 383-0167 [4] BOLT  
5. 439-6339 [2] BOLT  
6. 439-6340 [2] BOLT  
7. 439-6341 [6] BOLT  
8. 439-6457 [1] STUD  
9. 383-0198 [1] NUT-FLANGE  
10. 439-6403 [1] SEAL-OIL  
11. 393-2917 [2] STUD  
12. 439-7559 [1] COVER  
13. 436-0817 [1] PLUG AS (ENGINE OIL FILLER)  
13A. 383-0217 [1] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#M00712040017
 

439-7648: HOUSING GP-FRONT

439-7648 HOUSING GP-FRONT
PART OF 439-6406 HOUSING GP-FRONT
i05335799 M0071204
4397648 HOUSING GP-FRONT Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 418-0931 [1] CAP  
2. 383-0336 [2] PLUG  
3. 383-0303 [1] PLUG  
4. 439-6349 [1] WASHER  
5. 439-6367 [1] ADAPTER  
6. 439-7658 [1] SPRING  
7. 439-7657 [1] VALVE-RELIEF  
8. 439-7654 [1] ROTOR AS  
9. 439-7655 [1] COVER  
10. 418-0976 [5] SCREW-SPECIAL  
 

#M00712040018
 

439-6399: LIFTING GP-ENGINE

439-6399 LIFTING GP-ENGINE
PART OF 416-6065 ENGINE AR-PRIMARY
i05335327 M0071204
4396399 LIFTING GP-ENGINE Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 439-6400 [1] PLATE  
2. 439-6401 [1] PLATE  
3. 383-0169 [2] BOLT  
 

#M00712040019
 

424-3196: MOUNTING GP-ENGINE

424-3196 MOUNTING GP-ENGINE
PART OF 505-9104, 505-9107 CAB AR, 505-9102, 505-9103, 505-9105, 505-9106 CANOPY AR
AN ATTACHMENT
i05317828 M0071204
4243196 MOUNTING GP-ENGINE Parts scheme
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 163-6838 [4] STOP  
2. 176-8440 [2] STOP  
3. 419-6010 [8] MOUNT-RUBBER  
4. 424-3198 [1] SUPPORT AS  
5. 424-3200 [1] SUPPORT AS  
6. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
7. 7X-2550 M [4] BOLT (M12X1.75X110-MM)  
8. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
10. 8T-4821 [2] WASHER (13.5X40X3-MM THK)  
11. 9X-8912 M [8] BOLT (M10X1.25X30-MM)  
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Engine Valve Lash - Check
303E CR Mini Hydraulic Excavators
Specifications
Valve Mechanism
C1.3 Engines for Mini Hydraulic Excavators
Rocker Shaft
C1.3 Engines for Mini Hydraulic Excavators
Valve Mechanism Cover
C1.3 Engines for Mini Hydraulic Excavators
Reuse And Salvage Guidelines
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Testing and Adjusting
Finding Top Center Position for No. 1 Piston
C1.3 Engines for Caterpillar Built Machines
Engine Valve Lash - Inspect/Adjust
C1.3 Engines for Caterpillar Built Machines
Troubleshooting
Valve Lash Is Excessive
C1.3 Engines for Caterpillar Built Machines
Disassembly and Assembly
Valve Mechanism Cover - Remove and Install
C1.3 Engine for Caterpillar Built Machines
Rocker Shaft and Push Rod - Remove and Install
C1.3 Engine for Caterpillar Built Machines
Rocker Shaft - Disassemble
C1.3 Engine for Caterpillar Built Machines
Rocker Shaft - Assemble
C1.3 Engine for Caterpillar Built Machines
Camshaft and Valve Lifters - Remove and Install
C1.3 Engine for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 303E CR :

COVER GP-ENGINE
439-7735 COVER GP-ENGINE
CAMSHAFT GP
439-7679 CAMSHAFT GP
BELT TENSIONER GP
425-1979 BELT TENSIONER GP
415-8387 INSTALLATION AR-ENGINE
416-6065 ENGINE AR-PRIMARY
499-4792 COMMON AR
499-4787 COMMON AR
499-4793 CHASSIS AR
CRANKSHAFT GP
439-7689 CRANKSHAFT GP
CYLINDER BLOCK AS
439-7645 CYLINDER BLOCK AS
CYLINDER BLOCK GP
439-6379 CYLINDER BLOCK GP
CYLINDER HEAD GP
439-6404 CYLINDER HEAD GP
FLYWHEEL GP
439-7730 FLYWHEEL GP
HOUSING GP-FRONT
439-6406 HOUSING GP-FRONT
HOUSING GP-FRONT
439-7648 HOUSING GP-FRONT
LIFTING GP-ENGINE
439-6399 LIFTING GP-ENGINE
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