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CARBURETOR CONTROL (2N5993 N/S) Serial No. 73B796-Up G398 GAS ENGINE


FUEL SYSTEM
CARBURETOR GP
OPERATOR STATION
PANEL GP

GAS ENGINE G398 GAS ENGINE 73B
 G398 ENGINE 73B00001-00905 UE034832 G398 73B   (1963)

FUEL SYSTEM

CARBURETOR GP
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
6L-4960 CARBURETOR CONTROL
CONTROL GP-CARBURETOR
2N-5993 CONTROL GP-CARBURETOR
CARBURETOR
CARBURETOR
CARBURETOR
CARBURETOR
CARBURETOR ASSEMBLY
5L-3425 CARBURETOR ASSEMBLY
 

#UE0348320030
 

2N-5993: CONTROL GP-CARBURETOR

CARBURETOR CONTROL (2N5993 N/S)
Serial No. 73B796-Up
c115533 UE034832
2N5993 CONTROL GP-CARBURETOR Parts scheme
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Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-5818 [2] LEVER  
2. 0L-1143 [8] BOLT  
  4B-4278 [8] WASHER  
3. 1D-4717 [16] NUT  
  3B-4506 [16] LOCKWASHER  
4. 5L-8463 [1] BRACKET ASSEM.  
5. 2N-5991 [1] SHAFT ASSEM.  
6. 7M-3510 C [1] WASHER  
7. 5L-3291 [2] BEARING  
8. 5L-8464 [1] BRACKET ASSEM.  
9. 0S-1588 [8] BOLT  
10. 6L-3353 C [6] ROD END  
11. 3N-2069 C [1] ROD  
12. 1A-8285 [6] NUT  
13. 2N-5903 [1] ROD  
14. 2N-5904 [1] LEVER  
  1B-8701 [1] KEY  
15. 0S-1594 [3] BOLT  
16. 6L-4891 [1] ROD  
17. 0S-1616 [2] BOLT  
18. 1B-4330 [6] NUT  
  3B-4504 [6] LOCKWASHER  
19. 9F-6580 [4] BOLT  
  C   INDICATES CHANGE
 

#UE0348320031
 

CARBURETOR

CARBURETOR
Serial No. 73B1 to 73B92 and 73B94 to 73B105 inclusive
5L3425, 5L3426 Carburetor Assembly and 5L2591 Regulator Assembly parts are shown on Pages 16, 16A and 18
c71633 UE034832
None CARBURETOR Parts scheme
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Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-3389 [1] TUBE  
    (RIGHT HAND-UPPER)
  5L-3390 [1] TUBE  
    (LEFT HAND - UPPER)
  5L-3391 [1] TUBE  
    (RIGHT HAND-LOWER)
  5L-3392 [1] TUBE  
    (LEFT HAND - LOWER)
  4H-1966 [1] FITTING (STRAIGHT)  
  4H-2495 [1] NUT  
  4H-2494 [1] SLEEVE  
    (PARTS OF FITTING 4H1966)
    (NOT SHOWN - USED WITH LEFT HAND REGULATOR)
  9F-2247 [6] PLUG (PIPE)  
    (NOT SHOWN)
    (REPLACES REGULATOR VENTS, ECONOMIZER TUBES AND FITTINGS ON TURBOCHARGED AFTERCOOLED ENGINE)
  5L-2591 Y [2] REGULATOR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  5L-8515 [2] SUPPORT  
  2B-2695 [8] BOLT  
  3B-4505 [8] LOCKWASHER  
  4B-4277 [8] WASHER  
  0S-1594 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  2H-3927 [2] SEAL  
  5L-8514 [2] CONNECTOR  
  2H-3927 [2] SEAL  
  5L-3382 [2] BUSHING  
  5L-3425 [1] CARBURETOR ASSEM. (RIGHT HAND)  
  5L-3426 Y [1] CARBURETOR ASSEM. (LEFT HAND)  
    (SEE SEPARATE ILLUSTRATION)
  4H-0945 [7] FITTING  
  4H-2495 [7] NUT  
  4H-2494 [7] SLEEVE  
    (1 OF EACH IN EACH FITTING 4H945)
  6B-1404 [2] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#UE0348320032
 

CARBURETOR

CARBURETOR
Serial No. 73B93 and 73B106-Up
6L3383 and 6L3384 Carburetor Assembly parts are shown on Pages 16B and 17
c88562 UE034832
None CARBURETOR Parts scheme
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Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  6L-4887 [2] ELBOW  
  5M-6214 [2] PLUG  
  6L-3383 [1] CARBURETOR ASSEM.  
    (Right Hand)
  6L-3384 Y [1] CARBURETOR ASSEM.  
    (Left Hand)
    (See Separate Illustration)
  0L-1351 [8] BOLT  
  3B-4506 [8] LOCKWASHER  
  5B-4685 [2] PIN (Taper)  
  3B-7750 [2] NIPPLE  
  6L-5303 [2] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#UE0348320033
 

5L-3425: CARBURETOR ASSEMBLY

5L3425 CARBURETOR ASSEMBLY--R.H.
Serial No. 73B1 to 73B92 and 73B94 to 73B105 inclusive
Part of Carburetor shown on Page 14D
c79416 UE034832
5L3425 CARBURETOR ASSEMBLY Parts scheme
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Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] SCREW  
    (PART OF LEVER ASSEM. 7H3709)
  4F-7957 [1] SCREW  
  3B-4504 [1] LOCKWASHER  
  7H-3727 [2] SCREW  
  7H-3728 [1] DISC  
    (PARTS OF TUBE ASSEM. 5L7542)
  7H-3690 [1] GASKET  
  7H-3710 [2] SCREW  
  7H-3725 [1] HORN ASSEM.  
  7H-3723 [1] SCREW  
    (PART OF HORN ASSEM. 7H3725)
  7H-3717 [1] SHAFT  
  7H-3714 [1] SUPPORT ASSEM.  
  7H-3713 [1] CLAMP  
  [1] SCREW  
  7H-3711 [1] NUT  
    (PARTS OF SUPPORT ASSEM.7H3714)
  7H-3716 [1] DISC  
  6L-3774 [1] VENTURI ASSEM.  
  7H-3740 [1] DISC  
  5L-6399 H [1] BODY ASSEM.  
  5L-3434 [1] BODY  
    (PART OF BODY ASSEM.5L6399)
  5L-7592 [1] NUT  
  7H-3686 [1] ELBOW  
  7H-3694 [4] SCREW AND LOCKWASHER  
  5L-7542 [1] TUBE ASSEM.  
  8H-7315 [1] BODY ASSEM.  
  3L-5267 [1] LEVER ASSEM.  
    (PARTS OF TUBE ASSEM.5L7542)
  4L-1417 [1] SCREW  
    (PART OF LEVER ASSEM. 3L5267)
  5B-4684 [1] PIN (TAPER)  
  7H-3695 [1] GASKET  
  9B-7330 [1] SPRING  
  7H-3734 [1] STOP ASSEM.  
    (PART OF TUBE ASSEM.5L7542)
  [2] SCREW (ADJUSTING)  
  [1] SCREW  
    (PARTS OF STOP ASSEM. 7H3734)
  7H-3724 [1] PLUG  
    (PART OF HORN ASSEM. 7H3725)
  5L-6401 [1] ECONOMIZER ASSEM.  
    (CONSISTS OF PARTS MARKED H)
  7H-3709 [1] LEVER ASSEM.  
  7H-3708 [1] SCREW  
    (PART OF LEVER ASSEM. 7H3709)
  7H-3715 [4] SCREW  
  7H-3722 [1] SCREW ASSEM.  
  [1] SCREW  
  [1] NUT  
  7H-3719 [1] PLUG  
  7H-3685 [1] TUBE  
  7H-3696 H [5] SCREW AND LOCKWASHER  
  7H-3697 H [1] COVER  
  7H-3687 [1] CONNECTOR  
  7H-3689 [4] SCREW  
  7H-3688 [4] LOCKWASHER  
  8H-7317 [2] BEARING  
    (PART OF BODY ASSEM. 8H7315)
  [1] SCREW  
    (PART OF COLLAR ASSEM.7H3731)
  8H-7316 [4] SEAL  
  7H-3731 [1] COLLAR ASSEM.  
  5L-7541 [1] SHAFT  
    (PARTS OF TUBE ASSEM.5L7542)
  7H-3702 H [1] NUT  
  7H-3701 H [1] DIAPHRAGM ASSEM.  
  7H-3700 [1] DIAPHRAGM  
  7H-3699 [1] NUT  
    (PARTS OF DIAPHRAGM ASSEM.7H3701)
  7H-3698 H [1] SPRING  
  7H-3703 [1] SCREW ASSEM.  
  9H-1461 [1] SCREW (BLEED)  
    (PARTS OF BODY ASSEM.5L6399)
 

#UE0348320034
 

5L-3426: CARBURETOR ASSEMBLY

5L3426 CARBURETOR ASSEMBLY--L.H.
Serial No. 73B1 to 73B92 and 73B94 to 73B105 inclusive
Part of Carburetor shown on Page 14D
c79417 UE034832
5L3426 CARBURETOR ASSEMBLY Parts scheme
  For full view, you need register

Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] SCREW  
    (PART OF LEVER ASSEM.7H3709)
  4F-7957 [1] SCREW  
  3B-4504 [1] LOCKWASHER  
  7H-3727 [2] SCREW  
  7H-3728 [1] DISC  
    (PARTS OF TUBE ASSEM.5L7542)
  7H-3690 [1] GASKET  
  7H-3710 [2] SCREW  
  7H-3725 [1] HORN ASSEM.  
  7H-3723 [1] SCREW  
    (PART OF HORN ASSEM.7H3725)
  7H-3717 [1] SHAFT  
  7H-3714 [1] SUPPORT ASSEM.  
  7H-3713 [1] CLAMP  
  [1] SCREW  
  7H-3711 [1] NUT  
    (PARTS OF SUPPORT ASSEM. 7H3714)
  7H-3716 [1] DISC  
  6L-3774 [1] VENTURI ASSEM.  
  7H-3740 [1] DISC  
  5L-6399 H [1] BODY ASSEM.  
  5L-3434 [1] BODY  
    (PART OF BODY ASSEM.5L6399)
  5L-7592 [1] NUT  
  7H-3694 [4] SCREW AND LOCKWASHER  
  7H-3686 [1] ELBOW  
  5L-7542 [1] TUBE ASSEM.  
  8H-7315 [1] BODY ASSEM.  
    (PART OF TUBE ASSEM. 5L7542)
  8H-7317 [2] BEARING  
    (PART OF BODY ASSEM. 8H7315)
  5L-7541 [1] SHAFT  
  7H-3731 [1] COLLAR ASSEM.  
  8H-7316 [4] SEAL  
    (PARTS OF TUBE ASSEM. 5L7542)
  [1] SCREW  
    (PART OF COLLAR ASSEM. 7H3731)
  7H-3695 [1] GASKET  
  9B-7330 [1] SPRING  
  7H-3702 H [1] NUT  
  7H-3724 [1] PLUG  
    (PART OF HORN ASSEM. 7H3725)
  5L-6401 [1] ECONOMIZER ASSEM.  
    (CONSISTS OF PARTS MARKED H)
  7H-3709 [1] LEVER ASSEM.  
  7H-3708 [1] SCREW  
    (PART OF LEVER ASSEM. 7H3709)
  7H-3715 [4] SCREW  
  7H-3722 [1] SCREW ASSEM.  
  [1] SCREW  
  [1] NUT  
  7H-3719 [1] PLUG  
  7H-3685 [1] TUBE  
  7H-3696 H [5] SCREW AND LOCKWASHER  
  7H-3697 H [1] COVER  
  7H-3687 [1] CONNECTOR  
  7H-3689 [4] SCREW  
  7H-3688 [4] LOCKWASHER  
  7H-3734 [1] STOP ASSEM.  
    (PART OF TUBE ASSEM.5L7542)
  [2] SCREW (ADJUSTING)  
  [1] SCREW  
    (PARTS OF COLLAR ASSEM.7H3734)
  4L-1417 [1] SCREW  
    (PART OF LEVER ASSEM. 3L5267)
  5B-4684 [1] PIN (TAPER)  
  3L-5267 [1] LEVER ASSEM.  
    (PART OF TUBE ASSEM. 5L7542)
  7H-3701 H [1] DIAPHRAGM ASSEM.  
  7H-3700 [1] DIAPHRAGM  
  7H-3699 [1] NUT  
    (PARTS OF DIAPHRAGM ASSEM.7H3701)
  7H-3698 H [1] SPRING  
  7H-3703 [1] SCREW ASSEM.  
  9H-1461 [1] SCREW (BLEED)  
    (PARTS OF BODY ASSEM.5L6399)
 

#UE0348320035
 

6L-3383: CARBURETOR AS

6L3383 CARBURETOR ASSEMBLY--R.H.
Serial No. 73B93 and 73B106-Up
Part of Carburetor shown on Page 15
c88549 UE034832
6L3383 CARBURETOR AS Parts scheme
  For full view, you need register

Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6L-5292 [1] KIT (Bearing)  
    (Includes Bearings, Retainers and Seals)
  6L-5293 [1] KIT (Hardware)  
    (Includes Screw Assemblies and Bolt Assemblies)
  6L-5294 [1] KIT (Gasket)  
    (Includes 2 Gaskets)
  6L-5297 [1] SCREW (Idle)  
  6L-5282 [1] SPRING  
  6L-5290 [1] BODY ASSEM.  
  6L-5286 [1] LEVER ASSEM.  
  6L-5284 [1] LEVER ASSEM.  
  6L-5296 [1] SCREW  
    (Parts of Throttle Assem. 6L5289)
  7H-3171 [1] PLUG  
  6L-5291 [1] ELBOW  
  6L-5283 [2] COVER  
  6L-5281 [2] SPRING (Air Valve)  
  6L-5288 [2] DIAPHRAGM ASSEM.  
  6L-5289 [1] THROTTLE ASSEM.  
  6L-5285 [1] SHAFT  
  6L-5287 [1] DISC  
    (Parts of Throttle Assem. 6L5289)
 

#UE0348320036
 

6L-3384: CARBURETOR AS

6L3384 CARBURETOR ASSEMBLY--L.H.
Serial No. 73B93 and 73B106-Up
Part of Carburetor shown on Page 15
c88550 UE034832
6L3384 CARBURETOR AS Parts scheme
  For full view, you need register

Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7H-3171 [1] PLUG  
  6L-5291 [1] ELBOW  
  6L-5283 [2] COVER  
  6L-5281 [2] SPRING  
    (Air Valve)
  6L-5288 [2] DIAPHRAGM ASSEM.  
  6L-5289 [1] THROTTLE ASSEM.  
  6L-5285 [1] SHAFT  
  6L-5287 [1] DISC  
    (Parts of Throttle Assem. 6L5289)
  6L-5297 [1] SCREW (Idle)  
  6L-5282 [1] SPRING  
  6L-5314 [1] BODY ASSEM.  
  6L-5286 [1] LEVER ASSEM.  
  6L-5284 [1] LEVER ASSEM.  
  6L-5296 [1] SCREW  
    (Parts of Throttle Assem. 6L5289)
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  6L-5292 [1] KIT (Bearing)  
    (Includes Bearings, Retainers, and Seals)
  6L-5293 [1] KIT (Hardware)  
    (Includes Screw Assemblies and Bolt Assemblies)
  6L-5294 [1] KIT (Gasket)  
    (Includes 2 Gaskets)
 

#UE0348320037
 

5L-2591: REGULATOR ASSEMBLY

5L2591 REGULATOR ASSEMBLY
Part of Carburetor shown on Page 14D
c71585 UE034832
5L2591 REGULATOR ASSEMBLY Parts scheme
  For full view, you need register

Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  H [1] FILTER ASSEM.  
  H [1] DIAPHRAGM ASSEM.  
  [1] PLATE  
  H [1] WIRE  
  H [1] VALVE ASSEM.  
  H [1] SPRING (PRIMER)  
  H [3] SCREW AND LOCKWASHER  
  H [1] DIAPHRAGM ASSEM.  
  [1] PLUG  
  H [3] SCREW  
  H [1] GASKET  
  H [1] SEAT  
  6L-1708 [1] KIT (REGULATOR REPAIR)  
    (CONSISTS OF PARTS MARKED H)
  H [1] SCREW  
  H [1] SPRING  
  6L-1705 [1] COVER ASSEM.  
  H [1] LEVER VALVE  
  6L-1706 [1] BOWL ASSEM.  
  H [16] SCREW AND LOCKWASHER  
  H [1] SPRING  
  7H-3835 [1] BODY  
  H [1] VALVE ASSEM.  
  H [1] FORM  
  2B-4602 [1] PLUG  
 

#UE0348320038
 

4L-1159: SERVICE METER

SERVICE METER (4L1159 N/S)
Serial No. 73B1 to 73B95 inclusive
c85670 UE034832
4L1159 SERVICE METER Parts scheme
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Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4M-4307 [1] SERVICE METER  
  9H-6761 [1] SEAL  
    (PART OF SERVICE METER 4M4307)
  0S-1615 [2] BOLT  
  3B-4504 [2] LOCKWASHER  
  0S-1615 [2] BOLT  
  1A-9109 [2] LOCK  
  5L-3334 [1] ADAPTER ASSEM.  
  4L-6765 [1] HOUSING  
  0S-1571 [1] BOLT (1.750" LONG)  
  0S-1594 [3] BOLT (1.00" LONG)  
  3B-4506 [4] LOCKWASHER  
  4L-8191 [1] GASKET  
  7M-9185 [1] KIT  
    (WINDOW REPAIR-NOT PART OF SERVICE METER GROUP)
  2D-8873 [1] DOWEL  
    (PART OF ADAPTER ASSEM. 5L3334)
 

#UE0348320039
 

6L-2965: SERVICE METER GROUP

6L2965 SERVICE METER GROUP
Part of Service Meter shown on Page 18B
c105113 UE034832
6L2965 SERVICE METER GROUP Parts scheme
  For full view, you need register

Parts for your G398 GAS ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9M-4256 [1] BEARING  
    (PART OF HOUSING ASSEM 6L2967)
  8M-4987 [1] RING  
  4H-1723 [1] SEAL  
    (PART OF HOUSING ASSEM 6L2967)
  6L-2964 [1] SHAFT  
  9M-3723 [1] RETAINER  
    (PART OF HOUSING ASSEM 6L2967)
  9M-3865 [1] WINDOW  
  8H-5124 [1] PLATE  
  7B-3028 [2] SCREW  
    (PARTS OF HOUSING ASSEM 6L2967)
  6L-2962 [1] GEAR (36 TEETH)  
    (PART OF COUNTER ASSEM 6L2963)
  9M-4252 [1] BEARING  
    (PART OF HOUSING ASSEM 6L2967)
  3S-9557 [4] SCREW  
  9M-3866 [1] GASKET  
  6L-2963 [1] COUNTER ASSEM  
  8H-5961 [1] COUNTER  
    (PART OF COUNTER ASSEM. 6L2963)
  4S-7001 [1] RETAINER ASSEM.  
  5B-6904 [1] SPRING  
    (PART OF RETAINER ASSEM 4S7001)
  9M-7660 [1] GASKET  
  2A-5740 [1] PIN  
    (PART OF HOUSING ASSEM 6L2967)
  6L-2967 [1] HOUSING ASSEM.  
 

Information:

Engine News
New Sleeve-Type Bearings Give Better Carburetor And Governor Control
1991/02/01
New Carburetor Assembly For G300 Series Engines{1266}
1998/10/01
Disassembly and Assembly
Carburetor
G379, G398 & G399 ENGINES
Service Magazine
New Sleeve-Type Bearings Give Better Carburetor And Governor Control{1265,1266}
1991/02/11

Caterpillar Parts SIS Catalog G398 :

CARBURETOR CONTROL
6L-4960 CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
CARBURETOR CONTROL
MANIFOLDS
2N-6584 MANIFOLDS
MANIFOLDS
5L-3429 MANIFOLDS
MANIFOLDS
MANIFOLDS
CARBURETOR
CARBURETOR
CARBURETOR
CARBURETOR
CARBURETOR ASSEMBLY
5L-3425 CARBURETOR ASSEMBLY
CARBURETOR ASSEMBLY
5L-3426 CARBURETOR ASSEMBLY
CARBURETOR AS
6L-3383 CARBURETOR AS
CARBURETOR AS
6L-3384 CARBURETOR AS
REGULATOR ASSEMBLY
5L-2591 REGULATOR ASSEMBLY
SERVICE METER
4L-1159 SERVICE METER

Truck sale:

1980 CAT G398
USD $50,000 
1980 CAT G398

Foley Equipment Company
Topeka Area, Kansas
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