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6N1008 CYLINDER BLOCK GROUP Serial No. 90U1822 to 90U1919 and 90U1931 inclusive Part of 4N2257 Cylinder Block Group shown on Page 30 3406




BASIC ENGINE

CYLINDER BLOCK GP
 

#SEBP10130060
 

6N-1008: CYLINDER BLOCK GROUP

6N1008 CYLINDER BLOCK GROUP
Serial No. 90U1822 to 90U1919 and 90U1931 inclusive
Part of 4N2257 Cylinder Block Group shown on Page 30
c210553 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9F-2247 [4] PLUG  
2. 4N-6658 [1] BEARING  
3. 7M-7410 [1] PLUG  
4. 4N-0997 [1] COVER  
5. 4N-0998 [1] GASKET  
6. 0S-1594 [6] BOLT  
  5M-2894 [6] WASHER  
7. 4N-9881 [1] TUBE ASSEM.  
8. 4N-5857 [7] CAP  
9. 3P-1323 [14] BOLT  
  9H-1031 [14] WASHER  
10. 2M-6471 [2] PLUG  
11. 8S-9094 [1] DOWEL  
12. 9S-4190 [2] PLUG (use as required)  
  2M-9780 [2] O-RING (use as required)  
13. 4N-0685 [6] BEARING  
14. 7H-3171 [2] PLUG  
15. 3J-5389 [1] PLUG  
16. 3J-5390 [6] PLUG  
17. 4N-9916 [6] SCREW  
18. 0L-1026 C [1] PLUG  
  C   INDICATES CHANGE
 

#SEBP10130061
 

6N-9903: CYLINDER BLOCK GROUP

6N9903 CYLINDER BLOCK GROUP
Serial No. 90U1920 to 90U1930 and 90U1932 to 90U2158 inclusive
Part of 4N2257 Cylinder Block Group shown on Page 30A
c162991 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9F-2247 [4] PLUG  
2. 4N-6658 [1] BEARING  
3. 7M-7410 [1] PLUG  
4. 4N-0997 [1] COVER  
5. 4N-0998 [1] GASKET  
6. 0S-1594 [6] BOLT  
  5M-2894 [6] WASHER  
7. 4N-9881 [6] TUBE ASSEM.  
8. 4N-5857 [7] CAP  
9. 3P-1323 [14] BOLT  
  9H-1031 [14] WASHER  
10. 2M-6471 [2] PLUG  
11. 8S-9094 [1] DOWEL  
12. 9S-4190 [2] PLUG (use as required)  
  2M-9780 [2] O-RING (use as required)  
13. 4N-0685 [6] BEARING  
14. 7H-3171 [2] PLUG  
15. 3J-5389 [1] PLUG  
16. 3J-5390 [6] PLUG  
17. 4N-9916 [6] SCREW  
18. 0L-1026 [1] PLUG  
 

#SEBP10130062
 

7N-1203: CYLINDER BLOCK GP

7N1203 CYLINDER BLOCK GROUP
Serial No. 90U2159-Up
Part of 4N2257 Cylinder Block Group shown on Page 30A
c219338 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9F-2247 C [3] PLUG  
2. 4N-6658 [1] BEARING  
3. 7M-7410 C [2] PLUG  
4. 4N-0997 [1] COVER  
5. 4N-0998 [1] GASKET  
6. 0S-1594 [6] BOLT  
  5M-2894 [6] WASHER  
7. 4N-9881 [6] TUBE ASSEM.  
8. 4N-5857 C [7] CAP  
9. 3P-1323 [14] BOLT  
  9H-1031 [14] WASHER  
10. 2M-6471 [2] PLUG  
11. 8S-9094 [1] DOWEL  
12. 9S-4190 [2] PLUG (use as required)  
  2M-9780 [2] O-RING (use as required)  
13. 4N-0685 [6] BEARING  
14. 7H-3171 [2] PLUG  
15. 3J-5389 [1] PLUG  
16. 3J-5390 C [5] PLUG  
17. 4N-9916 [6] SCREW  
18. 5M-6214 C [1] PLUG  
  C   INDICATES CHANGE
 

#SEBP10130063
 

9N-0015: COVER GP-CYLINDER BLOCK

9N15 CYLINDER BLOCK COVER GROUP
For Direct Injection Engines
c202821 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-2894 C [8] WASHER  
2. 4N-0996 [3] COVER  
  4N-0699 [3] GASKET  
3. 0S-1594 C [8] BOLT  
4. 4N-0794 [1] COVER  
  4N-0790 [1] GASKET  
  C   CHANGE FROM PREVIOUS TYPE
 

#SEBP10130064
 

9N-0684: COVER GP-CYLINDER BLOCK

9N684 CYLINDER BLOCK COVER GROUP
For Precombustion Chambered Engines
Note: Covers opening available for Aftercooler Water Return
c202822 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0996 [2] COVER  
2. 4N-0699 [2] GASKET  
3. 0S-1594 C [6] BOLT  
4. 4N-0790 [1] GASKET  
5. 4N-0794 [1] COVER  
6. 5M-2894 C [6] WASHER  
  C   INDICATES CHANGE
 

#SEBP10130065
 

4N-0741: CRANKSHAFT GP

4N741 CRANKSHAFT GROUP
Serial No. 90U440 to 90U451 inclusive
4N928 Crankshaft parts are shown on Page 33B
c149685 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-0928 Y [1] CRANKSHAFT ASSEM.  
    (Separate Illustration)
2. 4N-0849 [2] PLATE  
3. 4N-0930 [7] BEARING  
  4N-9024 H [7] BEARING (.025 in. undersize)  
  4N-9025 H [7] BEARING (.050 in. undersize)  
  6N-1820 CH [7] BEARING (.025 in. oversize)  
  6N-1821 CH [7] BEARING  
    (.025 in. oversize .025 in. undersize)
4. 5S-9022 [2] SEAL  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   NOT PART OF 4N741 CRANKSHAFT G
 

#SEBP10130066
 

4N-0741: CRANKSHAFT GP

4N741 CRANKSHAFT GROUP
Serial No. 90U452 to 90U462 inclusive
6N3907 Crankshaft parts are shown on Page 33B
c177821 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-3907 RYC [1] CRANKSHAFT ASSEM.  
    (Separate Illustration)
2. 4N-0849 [2] PLATE  
3. 6N-3909 C [7] BEARING  
  8N-5422 CH [7] BEARING .025 in. undersize  
  8N-5423 CH [7] BEARING .050 in. undersize  
  8N-5424 CH [7] BEARING .025 in. oversize  
  8N-5425 CH [7] BEARING .025 in. oversize .025 in. undersize  
4. 5S-9022 [2] SEAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
  H   NOT PART OF 4N741 CRANKSHAFT G
 

#SEBP10130067
 

4N-0741: CRANKSHAFT GP

4N741 CRANKSHAFT GROUP
Serial No. 90U463 to 90U2492 inclusive
6N3907 Crankshaft parts are shown on Page 34
c177822 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-3907 RY [1] CRANKSHAFT ASSEM.  
    (Separate Illustration)
2. 4N-0849 [2] PLATE  
3. 4N-0848 C [2] SLEEVE  
4. 5S-9022 [2] SEAL  
5. 6N-8743 C [7] BEARING  
  8N-5422 CH [7] BEARING .025 in. undersize  
  8N-5423 CH [7] BEARING .050 in. undersize  
  8N-5424 CH [7] BEARING .025 in. oversize  
  8N-5425 CH [7] BEARING .025 in. oversize .025 in. undersize  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
  H   NOT PART OF 4N741 CRANKSHAFT G
 

#SEBP10130068
 

4N-0741: CRANKSHAFT GP

4N741 CRANKSHAFT GROUP
Serial No. 90U2493-Up
6N3907 Crankshaft parts are shown on Page 34
c177823 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-3907 RY [1] CRANKSHAFT ASSEM.  
    (Separate Illustration)
2. 7N-8947 C [2] PLATE  
3. 7N-1999 C [2] SEAL GROUP  
    (Each Includes)
  5S-9022 [1] SEAL  
4. 4N-0848 [1] SLEEVE  
5. 8N-5421 C [7] BEARING  
  8N-5422 CA [7] BEARING .025 in. undersize  
  8N-5423 CA [7] BEARING .050 in. undersize  
  8N-5424 CA [7] BEARING .025 in. oversize  
  8N-5425 CA [7] BEARING .025 in. oversize .025 in. undersize  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
  A   NOT PART OF THIS GROUP
 

#SEBP10130069
 

2W-1732: CRANKSHAFT GP

2W1732 CRANKSHAFT GROUP
2W2585 Crankshaft parts are shown on Page 33A.01
c324975 SEBP1013
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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-2585 CYR [1] CRANKSHAFT AS  
2. 7N-8947 [2] PLATE-THRUST  
3. 7N-1999 [2] SEAL GP-CRANKSHAFT  
    (EACH INCLUDES)
  5S-9022 [1] SEAL-LIP TYPE  
4. 4N-0848 [1] SLEEVE-WEAR  
5. 4W-5492 C [7] BEARING-MAIN  
  8N-5422 A [7] BEARING-MAIN  
    (.25IN)UNDERSIZE
  8N-5423 A [7] BEARING-MAIN  
    (.50IN)UNDERSIZE
  8N-5424 A [7] BEARING-MAIN  
    (.025IN)OVERSIZE
  8N-5425 A [7] BEARING-MAIN  
    (.025IN US-.025IN OS)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

Information:

Tool Operating Manual
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}

Caterpillar Parts SIS Catalog 3406 :

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