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1W0173 CYLINDER BLOCK GROUP S/N 81Z4311-UP 7N0841-PAGE 55 3412 GEN SET ENGINE


BASIC ENGINE
CYLINDER BLOCK GP
PISTON & ROD GP
CYLINDER BLOCK GP
PISTON & ROD GP
CRANKSHAFT GP

GEN SET ENGINE 3412 GEN SET ENGINE 81Z
 3412 ENGINE GENERATOR SET 81Z00001-04999 SEBP1384 3412 81Z   (1981)

BASIC ENGINE

CYLINDER BLOCK GP
COVER GP-CYLINDER BLOCK
4N-6866 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
4N-1960 COVER GP-CYLINDER BLOCK
CYLINDER BLOCK AS
7N-0841 CYLINDER BLOCK AS
CYLINDER BLOCK GP
2W-4859 CYLINDER BLOCK GP
CYLINDER BLOCK GP
1W-0173 CYLINDER BLOCK GP
CYLINDER BLOCK GP
1W-0173 CYLINDER BLOCK GP
CYLINDER BLOCK GP
1W-0173 CYLINDER BLOCK GP
CYLINDER BLOCK GP
4N-1201 CYLINDER BLOCK GP
CYLINDER BLOCK GP
4N-1201 CYLINDER BLOCK GP
CYLINDER BLOCK GP
4N-1201 CYLINDER BLOCK GP
 

#SEBP13840090
 

1W-0173: CYLINDER BLOCK GP

1W0173 CYLINDER BLOCK GROUP
S/N 81Z4311-UP
7N0841-PAGE 55
c555538 SEBP1384
1W0173 CYLINDER BLOCK GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-4990 [12] TUBE AS-OIL JET  
2. 4N-1650 [4] DOWEL  
3. 8T-6763 [4] PLUG  
4. 7N-0841 Y [1] CYLINDER BLOCK AS  
5. 8T-6757 [6] PLUG-PIPE  
6. 6N-9135 [2] GASKET-PLATE  
7. 6I-4611 [2] PLATE-SPACER  
8. 4N-0693 C [3] PLUG-TAPERLOCK  
    (1.5-12 THD)
    -OR-
  7C-9614 C [3] PLUG-TAPERLOCK  
    (1.625-12 THD)
9. 4N-0683 [4] DOWEL  
10. 9S-4190 [8] PLUG-O-RING  
11. 3B-0645 [1] PLUG-CUP  
12. 7C-7407 [1] STUD  
13. 7M-7410 [4] PLUG  
14. 8M-8283 [4] SEAL-O-RING  
15. 3S-6605 [2] PLUG-CUP  
16. 7E-6479 [12] BOLT-OIL JET  
17. 2M-9780 [8] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840091
 

7N-3518: PISTON & ROD GP

7N3518 PISTON & ROD GP
c312771 SEBP1384
7N3518 PISTON & ROD GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-1608 C [1] PIN-PISTON  
2. 8N-7295 C [2] RETAINER-PIN  
3. 8N-1728 CR [1] ROD AS-CONNECTING  
  8N-2018 [1] BEARING-SLEEVE  
4. 6N-8942 [2] BOLT-CONNECTING ROD  
  8L-3441 [2] NUT  
5. 1W-7524 C [1] BEARING  
  8N-5427 CA [1] BEARING-CONNECTING ROD  
    .64MM(.025 IN)UNDERSIZE
  8N-5428 CA [1] BEARING-CONNECTING ROD  
    1.27MM(.050 IN)UNDERSIZE
6. 8N-1496 C [1] PISTON GP  
7. 7N-7078 J [1] RING-OIL  
8. 2P-2817 J [1] RING-INTERMEDIATE  
9. 8N-0502 J [1] RING-PISTON (TOP)  
  8N-0822 A [1] RING GP-PISTON  
    (CONSISTS OF COMPLETE
    SET OF RINGS FOR ONE
    PISTON)
    (INCL PARTS MARKED J)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP13840092
 

4N-1201: CYLINDER BLOCK GP

4N1201 CYLINDER BLOCK GP
S/N 81Z1-4166
7N0841-PAGE 55
c313417 SEBP1384
4N1201 CYLINDER BLOCK GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-4428 [3] STUD-TAPERLOCK  
2. 4N-4501 [2] PLATE-BLOCK  
  6N-9135 [2] GASKET-PLATE  
3. 4N-1650 [4] DOWEL  
4. 8M-8283 [4] SEAL-O-RING  
5. 4N-0683 [4] DOWEL  
6. 7N-0841 CY [1] CYLINDER BLOCK AS  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840093
 

4N-1201: CYLINDER BLOCK GP

4N1201 CYLINDER BLOCK GROUP
S/N 81Z4167-4310
7N0841-PAGE 55
c333577 SEBP1384
4N1201 CYLINDER BLOCK GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-7496 C [12] TUBE AS-OIL JET  
2. 4N-1650 [4] DOWEL  
3. 7H-3171 [4] PLUG-PIPE  
4. 7N-0841 Y [1] CYLINDER BLOCK AS  
5. 9F-2247 [7] PLUG  
6. 6N-9135 [2] GASKET-PLATE  
7. 4N-4501 [2] PLATE-BLOCK  
8. 4N-0693 [3] PLUG-TAPERLOCK  
9. 4N-0683 [4] DOWEL  
10. 9S-4190 [8] PLUG-0-RING  
11. 3B-0645 [1] PLUG-CUP  
12. 6L-4428 [3] STUD-TAPERLOCK  
13. 7M-7410 [4] PLUG  
14. 8M-8283 [4] SEAL-O-RING  
15. 3S-6605 [2] PLUG-CUP  
16. 4N-9916 [12] BOLT-OIL JET  
17. 2M-9780 [8] SEAL-O-RING  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840094
 

4N-1201: CYLINDER BLOCK GP

4N1201 CYLINDER BLOCK GP
S/N 81Z4311-UP
7N0841-PAGE 55
c562320 SEBP1384
4N1201 CYLINDER BLOCK GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7W-4990 [12] TUBE AS-OIL JET  
2. 4N-1650 [4] DOWEL  
3. 8T-6763 C [4] PLUG  
4. 7N-0841 Y [1] CYLINDER BLOCK AS  
5. 8T-6757 C [6] PLUG-PIPE  
6. 6N-9135 [2] GASKET-PLATE  
7. 6I-4611 C [2] PLATE-SPACER  
8. 4N-0693 C [3] PLUG-TAPERLOCK  
    (1.5IN-12)THD
    -OR-
  7C-9614 [3] PLUG-TAPERLOCK  
    (1.63IN-12)THD
9. 4N-0683 [4] DOWEL  
10. 9S-4190 [8] PLUG-O-RING  
11. 3B-0645 [1] PLUG-CUP  
12. 6L-4428 [3] STUD-TAPERLOCK  
13. 7M-7410 [4] PLUG  
14. 8M-8283 [4] SEAL-O-RING  
15. 3S-6605 [2] PLUG-CUP  
16. 7E-6479 [12] BOLT-OIL JET  
17. 2M-9780 [8] SEAL-O-RING  
18. 7C-7407 [1] STUD  
   
   
  101-0523 NAF INSERT-LINER SEAT  
    5.21 MM(.20 IN)THK
   
   
    N- FOR SALVAGE OF THE
    DAMAGED LIFTER BORES
    IN CYLINDER BLOCK.
    QUANITY TO BE
    DETERMINED BY USER.
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  F   NOT SHOWN
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840095
 

2W-9053: PISTON GP

2W9053 PISTON GROUP
S/N 81Z2779-UP
PART OF 2W9054 CONNECTING ROD & PISTON
c307861 SEBP1384
2W9053 PISTON GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2W-0865 R [1] BODY AS-PISTON  
2. 1W-9460 [1] RING (TOP)  
3. 2P-2817 [1] RING-INTERMEDIATE  
4. 7N-7078 [1] RING-OIL  
  1W-8922 FA [1] RING GP-PISTON (STANDARD)  
    (CONSISTS OF A
    COMPLETE SET OF RINGS
    FOR ONE PISTON)
  A   NOT PART OF THIS GROUP
  F   NOT SHOWN
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP13840096
 

2W-1513: PISTON & ROD GP

2W1513 CONNECTING ROD & PISTON GROUP
c312804 SEBP1384
2W1513 PISTON & ROD GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-1608 C [1] PIN-PISTON  
2. 8N-7295 C [2] RETAINER-PIN  
3. 8N-1728 CR [1] ROD AS-CONNECTING  
  8N-2018 [1] BEARING-SLEEVE  
4. 6N-8942 [2] BOLT-CONNECTING ROD  
  8L-3441 [2] NUT  
5. 8N-5426 C [1] BEARING-CONNECTING ROD  
  8N-5427 CA [1] BEARING-CONNECTING ROD  
    .025IN.(.64MM)UNDERSIZE
  8N-5428 CA [1] BEARING-CONNECTING ROD  
    .050IN.(1.27MM)UNDERSIZE
6. 8N-1496 C [1] PISTON GP  
7. 7N-7078 J [1] RING-OIL  
8. 2P-2817 J [1] RING-INTERMEDIATE  
9. 8N-0502 J [1] RING-PISTON (TOP)  
  8N-0822 A [1] RING GP-PISTON (STD)  
    (INCL PARTS MARKED J)
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

#SEBP13840097
 

2W-9054: PISTON & ROD GP

2W9054 CONNECTING ROD & PISTON GROUP-14.5:1 RATIO
S/N 81Z2779-UP
2W9053-PAGE 57A
c496696 SEBP1384
2W9054 PISTON & ROD GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8N-1608 [1] PIN-PISTON  
2. 8N-7295 [2] RETAINER-PIN  
3. 8N-1728 R [1] ROD AS-CONNECTING  
  8N-2018 [1] BEARING-SLEEVE  
4. 6N-8942 [2] BOLT-CONNECTING ROD  
  8L-3441 [2] NUT  
5. 9Y-9497 C [1] BEARING-CONNECTING ROD (STANDARD)  
  4W-5702 CA [1] BEARING-CONNECTING ROD  
    .025IN(.63MM)UNDERSIZE
  4W-5703 CA [1] BEARING-CONNECTING ROD  
    .050IN(1.27MM)UNDERSIZE
6. 2W-9053 Y [1] PISTON GP  
  A   NOT PART OF THIS GROUP
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP13840098
 

CRANKSHAFT BEARING REPLACEMENTS

CRANKSHAFT BEARING REPLACEMENTS
SEBP13840098 SEBP1384
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    CYLINDER BLOCK NOT REBORED
    CRANKSHAFT GROUND FOR
    UNDERSIZE BEARING I.D. OF:
    MAIN
  4W-5698 [7] 0.63MM  
  4W-5699 [7] 1.27MM  
    CYLINDER BLOCK REBORED (0.63 MM)
    (BEARING OVERSIZE O.D.)
    MAIN
  4W-5700 [7] 0 (STANDARD)  
  4W-5701 [7] 0.63MM  
 

#SEBP13840099
 

4N-0922: CRANKSHAFT GP

4N0922 CRANKSHAFT GP
S/N 81Z1-3811
c404325 SEBP1384
4N0922 CRANKSHAFT GP Parts scheme
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Parts for your 3412 GEN SET ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-7755 R [1] CRANKSHAFT AS  
2. 4N-0684 [1] PIN-DOWEL  
3. 7N-7591 C [1] GEAR-CRANKSHAFT  
    (80 TEETH)
4. 9F-2247 [6] PLUG (PIPE)  
5. 7S-5005 [1] DOWEL  
6. 7N-8947 C [2] PLATE-THRUST  
7. 7N-1999 C [2] SEAL GP-CRANKSHAFT  
8. 8N-5421 C [7] BEARING-MAIN  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
 

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 3412 :

CYLINDER BLOCK GP
1W-0173 CYLINDER BLOCK GP
CYLINDER BLOCK GP
1W-0173 CYLINDER BLOCK GP
CYLINDER BLOCK GP
2W-4859 CYLINDER BLOCK GP
CYLINDER BLOCK AS
7N-0841 CYLINDER BLOCK AS
COVER GP-CYLINDER BLOCK
4N-1960 COVER GP-CYLINDER BLOCK
COVER GP-CYLINDER BLOCK
4N-6866 COVER GP-CYLINDER BLOCK
7W-8660 ENGINE AR
7W-8660 ENGINE AR
PISTON & ROD GP
7N-3518 PISTON & ROD GP
CYLINDER BLOCK GP
4N-1201 CYLINDER BLOCK GP
CYLINDER BLOCK GP
4N-1201 CYLINDER BLOCK GP
CYLINDER BLOCK GP
4N-1201 CYLINDER BLOCK GP
PISTON GP
2W-9053 PISTON GP
PISTON & ROD GP
2W-1513 PISTON & ROD GP
PISTON & ROD GP
2W-9054 PISTON & ROD GP
CRANKSHAFT BEARING REPLACEMENTS

Truck sale:

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