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3N1425 EXPANSION TANK GROUP-PART 1 OF 2 Serial No. 67B2179-Up For Use With External System Requiring 40 Or Less U.S. Gallons Of Water And Used With Controlled Inlet Cooling System D398A


COOLING SYSTEM
RADIATOR GP
TANK GP-EXPANSION
LINES GP-WATER
AIR INLET AND EXHAUST SYSTEM
AIR CLEANER GP

MARINE ENGINE D398A MARINE ENGINE 67B
 D398B MARINE ENGINE 67B01391-UP UEG0646S D398A 67B   (1961)

COOLING SYSTEM

RADIATOR GP
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
 

#UEG0646S0010
 

3N-1425: TANK GP-EXPANSION

3N1425 EXPANSION TANK GROUP-PART 1 OF 2
Serial No. 67B2179-Up
For Use With External System Requiring 40 Or Less U.S. Gallons
Of Water And Used With Controlled Inlet Cooling System
c229392 UEG0646S
3N1425 TANK GP-EXPANSION Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9N-2894 C [4] REGULATOR  
2. 0S-1588 [14] BOLT  
3. 3B-4506 [42] LOCKWASHER  
4. 5M-2894 [35] WASHER  
5. 5B-2638 [1] BOLT  
6. 2N-0570 [2] GASKET  
7. 3N-1243 [1] CONNECTOR  
8. 5K-9243 [2] ELBOW  
9. 4M-5317 [1] BUSHING  
10. 5D-1026 [1] CLAMP  
11. 9F-7283 [1] SEAL  
12. 3N-1242 [1] GASKET  
13. 2N-8961 [1] TANK ASSEM.  
14. 7D-6444 [2] ANGLE  
15. 4D-5051 [3] PIN  
16. 0L-1329 [2] BOLT  
17. 3B-4508 [8] LOCKWASHER  
  2M-0849 [8] WASHER  
18. 5N-1947 C [1] BRACKET  
19. 4L-5832 [1] GASKET  
20. 2N-4897 [1] TUBE  
21. 2N-8827 [1] ELBOW  
22. 0L-1351 [3] BOLT  
23. 5N-1942 C [1] CLAMP  
24. 0S-1594 [10] BOLT  
25. 1D-4717 [2] NUT  
26. 0S-1569 [2] BOLT  
27. 3B-4510 [4] LOCKWASHER  
  4D-3704 [4] WASHER  
28. 2N-9260 [2] BRACKET  
29. 0S-1625 [2] BOLT  
30. 1A-1460 [2] BOLT  
31. 3N-1241 [1] FLANGE  
32. 0S-1585 C [4] BOLT  
33. 3N-6240 [3] FLANGE  
34. 7L-6005 [3] GASKET  
35. 0S-1588 [12] BOLT  
36. 3J-5389 [4] PLUG  
37. 3N-7313 [1] TUBE ASSEM.  
38. 9M-4217 [2] SEAL  
39. 5F-4899 [2] BOLT  
40. 3N-1238 [1] GASKET  
41. 3N-1237 [1] CONNECTOR  
42. 3N-2407 [1] COUPLING ASSEM.  
  8L-8227 [1] SEAL  
  C   INDICATES CHANGE
 

#UEG0646S0011
 

3N-1425: TANK GP-EXPANSION

3N1425 EXPANSION TANK GROUP-PART 2 OF 2
Serial No. 67B2179-Up
For Use With External System Requiring 40 Or Less U.S. Gallons
Of Water And Used With Controlled Inlet Cooling System
c337174 UEG0646S
3N1425 TANK GP-EXPANSION Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5M-6213 [5] PLUG  
2. 0S-1587 [2] BOLT  
3. 1D-4719 [2] NUT  
4. 3B-4508 [4] LOCKWASHER  
5. 2M-0849 [4] WASHER  
6. 3N-1245 [2] BRACE  
7. 3N-2622 [1] ELBOW  
8. 9L-8496 [1] TEE  
9. 3N-7314 [1] TUBE AS.  
10. 0S-1608 [5] BOLT  
11. 3B-4506 [71] LOCKWASHER  
12. 0L-1351 [6] BOLT  
13. 6L-9850 [1] CAP  
14. 3N-1341 [1] ADAPTER AS.  
15. 3H-5939 [1] GASKET  
16. 5K-9660 [1] CLIP  
17. 3N-6067 [1] COVER  
18. 0S-1619 [10] BOLT  
19. 2N-0741 [1] GASKET  
20. 2N-0568 [2] GASKET  
21. 5K-9235 [4] ELBOW  
22. 3N-1328 [2] TUBE AS.  
23. 7B-3235 [2] BOLT  
24. 7L-6005 [2] GASKET  
25. 7S-9327 [1] COVER  
26. 0S-1615 C [2] BOLT  
  1B-4330 [2] NUT  
  3B-4504 [2] LOCKWASHER  
  4B-4276 C [2] WASHER  
27. 7W-2296 C [1] SWITCH AS.  
28. 7W-2295 [1] COVER AS.  
29. 0S-1594 [12] BOLT  
30. 2N-0558 [1] ELBOW  
31. 9M-4218 [2] SEAL  
32. 4L-6216 [1] GASKET  
33. 4L-6215 [1] ELBOW  
34. 3J-5389 [2] PLUG  
35. 3H-5264 [2] CLIP  
36. 5P-0721 CBE HOSE  
37. 4D-9459 [1] CLIP  
38. 2N-7242 [1] TUBE AS.  
39. 3N-6066 [1] HOUSING AS.  
40. 3S-9643 [4] SEAL  
41. 5M-2894 [4] WASHER  
42. 5N-3285 [1] COVER  
  8L-5197 [1] GASKET  
43. 4L-7885 [4] GASKET  
44. 0S-1571 [8] BOLT  
45. 1D-4717 [24] NUT  
46. 2N-9262 [1] TUBE AS.  
47. 1A-2029 [14] BOLT  
48. 3N-1235 [1] MANIFOLD  
49. 3N-1236 [1] ADAPTER  
50. 2N-9265 [1] TUBE AS.  
51. 0S-1591 [16] BOLT  
52. 7L-0298 [2] FLANGE  
53. 8B-8817 [1] PLUG  
54. 6B-5072 [1] BUSHING  
  B   USE AS REQUIRED
  E   ORDER BY THE CENTIMETER
  C   INDICATES CHANGE
 

#UEG0646S0012
 

3N-2652: CONNECTION GP-AUX EXP TANK

3N2652 AUXILIARY EXPANSION TANK CONNECTIONS GROUP
For Use With 3N1425 Expansion Tank Group Shown On Pages 10 Through 11
An Attachment
c345099 UEG0646S
3N2652 CONNECTION GP-AUX EXP TANK Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3H-5939 C [1] GASKET-HEAT EXCHANGER  
2. 2N-7604 [1] FLANGE  
3. 0S-1594 C [6] BOLT  
  4B-4278 [6] WASHER  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0646S0013
 

2N-7596: LINES GP

2N7596 SEA WATER LINES GROUP
Serial No. 67B1391 to 67B1424 inclusive
Refer also to Pages 86 through 89 for special parts
c133944 UEG0646S
2N7596 LINES GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-7408 [1] SEAL  
2. 6L-4724 [3] CLIP  
3. 2N-7597 [1] TUBE ASSEM.  
  4L-9564 [1] SEAL  
4. 2N-1642 [1] ELBOW  
5. 5B-9169 [2] PLUG  
6. 2N-1543 [1] GASKET  
7. 2D-2285 [4] BOLT  
8. 1D-4717 [8] NUT  
9. 3B-4506 [19] LOCKWASHER  
10. 2N-7595 [1] FLANGE  
11. 2N-7601 [1] FLANGE  
12. 0S-1571 [4] BOLT  
13. 4L-5832 [1] GASKET  
14. 1N-9907 [1] PLATE  
15. 2N-1543 [1] GASKET  
    (Used With Marine Gear)
16. 6L-2288 [2] ROD  
17. 6L-2286 [2] PLUG  
    (Used Without Marine Gear)
18. 0S-1591 [11] BOLT  
 

#UEG0646S0014
 

2N-7596: LINES GP

2N7596 SEA WATER LINES GROUP
Serial No. 67B1425 to 67B1847 inclusive
Refer also to Pages 86 through 89 for special parts
c141999 UEG0646S
2N7596 LINES GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-7408 [1] SEAL  
2. 6L-4724 [3] CLIP  
3. 2N-7597 [1] TUBE ASSEM.  
  4L-9564 [1] SEAL  
4. 2N-1642 [1] ELBOW  
5. 5B-9169 [2] PLUG  
6. 2N-1543 [1] GASKET  
7. 2D-2285 [4] BOLT  
8. 1D-4717 [8] NUT  
9. 3B-4506 [19] LOCKWASHER  
10. 2N-7595 [1] FLANGE  
11. 2N-7601 [1] FLANGE  
12. 0S-1571 [4] BOLT  
13. 4L-5832 [1] GASKET  
14. 1N-9907 [1] PLATE  
15. 2N-1543 [1] GASKET  
    (Used With Marine Gear)
16. 6L-2288 [2] ROD  
17. 6L-2286 [2] PLUG  
    (Used Without Marine Gear)
18. 0S-1591 [11] BOLT  
19. 2N-9839 C [1] PLATE  
  C   INDICATES CHANGE
 

#UEG0646S0015
 

2N-7596: LINES GP

2N7596 SEA WATER LINES GROUP
Serial No. 67B1848-Up
Refer also to Pages 86 through 89 for special parts
c156885 UEG0646S
2N7596 LINES GP Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-7408 [1] SEAL  
2. 5P-4882 C [3] CLIP  
3. 2N-7597 [1] TUBE ASSEM.  
  4L-9564 [1] SEAL  
4. 2N-1642 [1] ELBOW  
5. 5B-9169 [2] PLUG  
6. 2N-1543 [1] GASKET  
7. 2D-2285 [4] BOLT  
8. 1D-4717 [8] NUT  
9. 3B-4506 [19] LOCKWASHER  
10. 2N-7595 [1] FLANGE  
11. 2N-7601 [1] FLANGE  
12. 0S-1571 [4] BOLT  
13. 4L-5832 [1] GASKET  
14. 1N-9907 [1] PLATE  
15. 2N-1543 [1] GASKET  
    (Used With Marine Gear)
16. 6L-2288 [2] ROD  
17. 6L-2286 [2] PLUG  
    (Used Without Marine Gear)
18. 0S-1591 [11] BOLT  
19. 2N-9839 [1] PLATE  
20. 5P-4881 C [3] CLIP  
21. 0S-2185 C [3] SPACER  
  C   INDICATES CHANGE
 

#UEG0646S0016
 

2N-3322: GAUGE GP-AIR CLEANER

2N3322 AIR CLEANER GAUGE GROUP
c140140 UEG0646S
2N3322 GAUGE GP-AIR CLEANER Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-3233 [1] FITTING (Safety)  
2. 3B-6552 [1] ELBOW  
3. 7S-0687 [1] INDICATOR  
 

#UEG0646S0017
 

7L-8675: ADAPTER GP-AIR CLEANER

7L8675 AIR CLEANER INLET ADAPTER GROUP--2 Required
Serial No. 67B1391 to 67B2010 inclusive
c111242 UEG0646S
7L8675 ADAPTER GP-AIR CLEANER Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [8] RETAINER  
2. 2A-0762 [8] BOLT  
3. 7L-6435 [1] GASKET  
4. 7L-6437 [1] ADAPTER ASSEM.  
5. 6L-4711 [1] CLAMP ASSEM.  
    (Part of 7L6437 Adapter Assem.)
6. 0S-1617 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  5M-5693 [1] WASHER  
7. 6L-4691 [1] CLIP  
 

#UEG0646S0018
 

5N-3222: ADAPTER GP-AIR CLEANER INLET

5N3222 ADAPTER GP-AIR CLEANER INLET- 2 REQUIRED
S/N 67B2011-2109
c215264 UEG0646S
5N3222 ADAPTER GP-AIR CLEANER INLET Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6L-5470 [8] RETAINER  
2. 4F-7957 [8] BOLT  
3. 1B-7904 [1] SPACER  
4. 5N-3223 [1] ADAPTER ASSEM.  
5. 5N-3225 [1] GASKET  
6. 0S-1617 [1] BOLT  
  1D-4716 [1] NUT  
  3B-4505 [1] LOCKWASHER  
  6B-9976 [1] WASHER  
7. 6L-4691 [1] CLIP  
 

#UEG0646S0019
 

5N-3222: ADAPTER GP-AIR CLEANER INLET

5N3222 ADAPTER GP-AIR CLEANER INLET-2 REQUIRED
S/N 67B2110-Up
c402369 UEG0646S
5N3222 ADAPTER GP-AIR CLEANER INLET Parts scheme
  For full view, you need register

Parts for your D398A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5N-3223 [1] ADAPTER AS-AIR CLEANER  
  4W-6548 C [1] CLAMP AS  
2. 0S-1615 C [8] BOLT  
  4B-4276 B [4] WASHER  
3. 0S-1617 [1] BOLT  
  1D-4716 [1] NUT-FULL  
  3B-4505 [1] LOCKWASHER  
  5M-5693 C [1] WASHER  
4. 6L-4691 [1] CLIP  
5. 5N-3225 [1] GASKET-ADAPTER  
    THE FOLLOWING REPAIR
    KIT IS AVAILABLE:
  8N-4617 C [1] KIT-AIR CLEANER CLAMP  
    (INCL: RIVET, CLIP AS)
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Engine News
Visual Checks And Easy Tests Can Be Of Assistance When Troubleshooting Coolant Leakage Into The Lubrication System
1980/07/09
Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit
1987/04/01
5P957 And 5P3514 Coolant And Battery Tester
1987/04/01
Large Engine Blowby Group Available To Measure Crankcase Blowby And Radiator Air Velocity.
1988/07/01
Special Instruction
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Retrofit Installation of Coolant Loss Sensor{1353, 1395, 7422, 7470}
Specifications
Cooling System Pressure Cap<BR> 6L9850 Cap
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Tool Operating Manual
464-0265 Lifting Bracket Assembly{0374, 0599, 0629, 0632, 0700, 0708, 1353}
464-0265 Lifting Bracket Assembly{0374, 0599, 0629, 0632, 0700, 0708, 1353}
Disassembly and Assembly
Expansion Tank (Marine Engines)
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Coolant Level Switch Used{7470,1354}
1982/10/18
Canister Size Of Coolant Conditioner Element Has Changed{1350}
1985/11/25
High Silicates In Antifreeze{1350}
1986/02/03
Nitrite Test Kit Available For Cooling Systems{0651,1350,1395}
1986/06/09
New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity{0781,1200,1350}
1986/10/27
Caterpillar Antifreeze Now Used And Available From Parts Departments{1350,1395}
1986/11/10
Easy Five-Minute Coolant Conditioner Test With 8T5296 Coolant Conditioner Test Kit{1395,0786}
1987/03/23
Cooling System Conditioner{1395,1350}
1987/03/23
5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23
Additional Guidelines For Using The 8T2700 Blowby/Air Flow Indicator Group {0781,1200,1350}
1987/07/20
Analyzing Caterpillar And Competitive Antifreezes For Amount Of Silicates{1350,1395}
1988/02/22
Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14
Improved Seals Used; Seal Replacement In Folded Core Radiators {1353}
1988/05/09
Large Engine Blowby Group Available To Measure Crankcase Blowby And Radiator Air Velocity{0781,1200,1350}
1988/06/20
Be Sure To Follow Cooling System Recommendations{1350}
1988/11/21
New Publication Available-&quot;Coolant And Your Engine&quot;{1395,0374,0375}
1989/02/13
Check The Radiator Fan Spider Assembly When Doing Yearly General Maintenance{1356}
1989/07/24
Engine Coolant Can Be Recycled{1395}
1989/11/13

Caterpillar Parts SIS Catalog D398A :

TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
PUMP GP-WATER
7L-3222 PUMP GP-WATER
PUMP GP-WATER
4L-8800 PUMP GP-WATER
TANK GP-EXPANSION
3N-1425 TANK GP-EXPANSION
CONNECTION GP-AUX EXP TANK
3N-2652 CONNECTION GP-AUX EXP TANK
LINES GP
2N-7596 LINES GP
LINES GP
2N-7596 LINES GP
LINES GP
2N-7596 LINES GP
GAUGE GP-AIR CLEANER
2N-3322 GAUGE GP-AIR CLEANER
ADAPTER GP-AIR CLEANER
7L-8675 ADAPTER GP-AIR CLEANER
ADAPTER GP-AIR CLEANER INLET
5N-3222 ADAPTER GP-AIR CLEANER INLET

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