6L5397 REGULATOR ASSEMBLY--32 Volt Part of 5L1019 Alternator Group shown on Page 60B 6L5658 REGULATOR ASSEMBLY--30 Volt For use with 5L1019 Alternator Group D379A



ELECTRICAL AND STARTING SYSTEM
ALTERNATOR GP-CHARGING
BATTERY GP
STARTING MOTOR GP

MARINE ENGINE D379A MARINE ENGINE 69B
 D379 MARINE ENGINE 69B00001-00823 UE034171 D379A 69B   (1961)

ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR AS
5L-1243 ALTERNATOR AS
ALTERNATOR AS
5L-1243 ALTERNATOR AS
REGULATOR AS
6L-5397 REGULATOR AS
 

#UE0341710220
 

6L-5397: REGULATOR AS

6L5397 REGULATOR ASSEMBLY--32 Volt
Part of 5L1019 Alternator Group shown on Page 60B
6L5658 REGULATOR ASSEMBLY--30 Volt
For use with 5L1019 Alternator Group
c76135 UE034171
6L5397 REGULATOR AS Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  6L-5663 [1] INSULATOR  
  1S-7448 [1] TRANSISTOR  
  6L-5665 [2] SCREW  
  6L-5663 [1] INSULATOR  
  6L-5662 [1] TRANSISTOR  
  6L-5665 [2] SCREW  
 

#UE0341710221
 

7L-7871: BATTERY GP

7L7871 BATTERY--24 Volt, 172 Ampere Hours
c146165 UE034171
7L7871 BATTERY GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
1. 5M-9204 [1] TERMINAL ASSEM. (+)  
2. 1L-5686 [1] CABLE ASSEM.  
3. 5M-9205 [1] TERMINAL ASSEM. (-)  
4. 5M-9204 [1] TERMINAL ASSEM. (+)  
    (Parts of 1l5686 Cable Assem.)
5. 5M-9205 [1] TERMINAL ASSEM. (-)  
6. 1M-6119 [4] BOLT  
  1M-6120 [4] NUT  
    (1 each in 5M9204 & 5M9205 Terminal Assem.)
7. 4S-9261 [2] BATTERY  
 

#UE0341710222
 

3N-4653: BATTERY GP

3N4653 BATTERY--24 Volt, 300 Ampere Hours
c142640 UE034171
3N4653 BATTERY GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
1. 3N-4660 [4] BATTERY  
2. 5M-9205 [1] TERMINAL ASSEM.  
3. 1M-6119 [1] BOLT  
  1M-6120 [1] NUT  
4. 5M-9204 [1] TERMINAL ASSEM.  
5. 1M-6119 [1] BOLT  
  1M-6120 [1] NUT  
6. 1L-5686 [1] CABLE ASSEM.  
7. 5M-9205 [1] TERMINAL ASSEM.  
8. 1M-6119 [1] BOLT  
  1M-6120 [1] NUT  
9. 5M-9204 [1] TERMINAL ASSEM.  
10. 1M-6119 [1] BOLT  
  1M-6120 [1] NUT  
 

#UE0341710223
 

5F-5276: BATTERY GP

5F5276 BATTERY GROUP--30 Volt, 315 Ampere Hours
For use between 0 and 70 degrees Fahrenheit Temperature
c44414 UE034171
5F5276 BATTERY GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  6B-2543 [2] TERMINAL  
  9B-2495 [5] BATTERY  
  4F-8151 [8] TERMINAL  
    (2 IN EACH CABLE ASSEM.)
  2F-9143 [4] CABLE ASSEM.  
 

#UE0341710224
 

1L-5663: BATTERY GROUP

1L5663 BATTERY GROUP--30 Volt, 170 Ampere Hours
For use between 10 and 50 degrees Fahrenheit Temperature
c40335 UE034171
1L5663 BATTERY GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  6B-2540 [4] CABLE ASSEM.  
  4F-8151 [8] TERMINAL  
    (2 IN EACH CABLE ASSEM.)
  6B-2543 [2] TERMINAL  
  9F-6027 [5] BATTERY  
 

#UE0341710225
 

5L-8148: AIR STARTING INSTALLATION GROUP

5L8148 AIR STARTING INSTALLATION GROUP--R.H.--Type 1
3L9922 Whistle Valve, 8F256 Air Starting Oiler and 1L2073 Pressure Reducing Regulating Valve parts are shown on Pages 64 and 65
c69929 UE034171
5L8148 AIR STARTING INSTALLATION GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  5L-2534 [1] "U" BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  3L-9922 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  1L-2073 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  6F-5985 [1] COUPLING (HOSE)  
  0S-1592 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  5B-7852 [1] COVER  
    (FLYWHEEL HOUSING)
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5L-8147 [1] BRACKET  
  0S-1589 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  6F-7694 [1] COCK (SHUT OFF)  
  8F-0256 Y [1] OILER  
    (SEE SEPARATE ILLUSTRATION)
  6F-8856 [3] ELBOW  
  1B-2886 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  1H-4725 [1] SILENCER  
  3L-8993 [6] NIPPLE  
  3H-3146 [1] ELBOW  
  0S-1595 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  6F-9206 [1] GASKET  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  6F-9206 [1] GASKET  
  1H-4768 [1] GASKET  
  0S-1595 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-7835 [1] RING  
  5L-1723 [1] ELBOW  
  1D-4566 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  5F-6658 [1] JAR  
  Y   SEPARATE ILLUSTRATION
 

#UE0341710226
 

5L-8148: AIR STARTING INSTALLATION GROUP

5L8148 AIR STARTING INSTALLATION GROUP--R.H.--Type 2
3L9922 Whistle Valve, 8F256 Air Starting Oiler and 1L2073 Pressure Reducing Regulating Valve parts are shown on Pages 64 and 65
c90314 UE034171
5L8148 AIR STARTING INSTALLATION GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  5L-2534 [1] "U" BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  3L-9922 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  1L-2073 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  6F-5985 [1] COUPLING (HOSE)  
  0S-1592 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  5B-7852 [1] COVER  
    (FLYWHEEL HOUSING)
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5L-8147 [1] BRACKET  
  0S-1589 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  6F-7694 [1] COCK (SHUT-OFF)  
  8F-0256 Y [1] OILER  
    (SEE SEPARATE ILLUSTRATION)
  6F-8856 [3] ELBOW  
  3L-8993 [6] NIPPLE  
  5B-7666 [1] STREET ELL  
  1H-4725 [1] SILENCER  
  0S-1585 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  6L-1849 [1] FLANGE  
  6F-9206 [1] GASKET  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  6F-9206 [1] GASKET  
  1H-4768 [1] GASKET  
  0S-1595 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-7835 [1] RING  
  5L-1723 [1] ELBOW  
  1D-4566 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  5F-6658 [1] JAR  
  Y   SEPARATE ILLUSTRATION
 

#UE0341710227
 

5L-2717: AIR STARTING INSTALLATION GROUP

5L2717 AIR STARTING INSTALLATION GROUP--L.H.--Type 1
3L9922 Whistle Valve, 8F256 Air Starting Oiler and 1L2073 Pressure Reducing Regulating Valve parts are shown on Pages 64 amd 65
c69928 UE034171
5L2717 AIR STARTING INSTALLATION GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  1H-4725 [1] SILENCER  
  1F-4094 [1] CLAMP ASSEM.  
    (PART OF SILENCER 1H4725)
  1F-4096 [1] BOLT  
  1F-4097 [1] NUT  
  9F-8717 [1] WASHER  
  1F-4095 [1] CLAMP  
  5F-6658 [1] JAR  
  4F-7835 [1] RING  
  6F-9206 [1] GASKET  
  3H-3146 [1] ELBOW  
  6F-8858 [3] NIPPLE  
  6F-8856 [2] ELBOW  
  1B-2886 [2] BOLT (3.75" LONG)  
  0S-1595 [2] BOLT (1.25" LONG)  
  3B-4508 [4] LOCKWASHER  
  8F-0256 Y [1] OILER  
    (SEE SEPARATE ILLUSTRATION)
  6F-7694 [1] COCK (SHUT-OFF)  
  3L-1258 [1] NIPPLE  
  3L-9922 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  6F-8858 [1] NIPPLE  
  0S-1592 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  5B-7852 [1] COVER  
    (FLYWHEEL HOUSING)
  1H-4768 [1] GASKET  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5L-1723 [1] ELBOW  
  1D-4566 [2] BOLT (3.50" LONG)  
  3B-4508 [2] LOCKWASHER  
  0S-1595 [2] BOLT (1.25" LONG)  
  3B-4508 [2] LOCKWASHER  
  6F-9206 [1] GASKET  
  0S-1589 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  1L-2073 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  5L-1722 [1] BRACKET  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1L-2893 [1] NIPPLE  
  6F-8856 [1] ELBOW  
  5L-2534 [1] "U" BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  6F-5985 [1] COUPLING  
  Y   SEPARATE ILLUSTRATION
 

#UE0341710228
 

5L-2717: AIR STARTING INSTALLATION GROUP

5L2717 AIR STARTING INSTALLATION GROUP--L.H.--Type 2
3L9922 Whistle Valve, 8F256 Air Starting Oiler and 1L2073 Pressure Reducing Regulating Valve parts are shown on Pages 64 and 65
c90189 UE034171
5L2717 AIR STARTING INSTALLATION GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  1H-4725 [1] SILENCER  
  1F-4094 [1] CLAMP ASSEM.  
    (PART OF SILENCER 1H4725)
  1F-4096 [1] BOLT  
  1F-4097 [1] NUT  
  9F-8717 [1] WASHER  
  1F-4095 [1] CLAMP  
  6L-1849 [1] FLANGE  
  5F-6658 [1] JAR  
  4F-7835 [1] RING  
  6F-9206 [1] GASKET  
  0S-1585 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  6F-8858 [2] NIPPLE  
  6F-8856 [2] ELBOW  
  5B-7666 [1] STREET ELL  
  3L-1258 [1] NIPPLE  
  8F-0256 Y [1] OILER  
    (SEE SEPARATE ILLUSTRATION)
    -OR-
  6L-4347 [1] OILER  
  6F-7694 [1] COCK (SHUT-OFF)  
  6F-8858 [1] NIPPLE  
  3L-9922 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  6F-8858 [1] NIPPLE  
  0S-1592 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  5B-7852 [1] COVER  
    (FLYWHEEL HOUSING)
  1H-4768 [1] GASKET  
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  5L-1723 [1] ELBOW  
  1D-4566 [2] BOLT (3.50" LONG)  
  3B-4508 [2] LOCKWASHER  
  0S-1595 [2] BOLT (1.25" LONG)  
  3B-4508 [2] LOCKWASHER  
  6F-9206 [1] GASKET  
  0S-1589 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  1L-2073 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  5L-1722 [1] BRACKET  
  0S-1594 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  1L-2893 [1] NIPPLE  
  6F-8856 [1] ELBOW  
  5L-2534 [1] "U" BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  6F-5985 [1] COUPLING  
  Y   SEPARATE ILLUSTRATION
 

#UE0341710229
 

6L-2801: AIR STARTING GROUP

6L2801 AIR STARTING GROUP--R.H.--S.A.E. Standard Engine Rotation--Type 1
3L9922 Whistle Valve, 8F256 Air Starting Oiler, 1L2073 Regulating Valve and 5L1750 Motor Assembly parts are shown on Pages 64, 65 and 66
c74282 UE034171
6L2801 AIR STARTING GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

Pos. Part No Qty Parts name Comments
  5L-2534 [1] "U" BOLT  
  1D-4717 [2] NUT  
  3B-4506 [2] LOCKWASHER  
  3L-9922 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  1L-2073 Y [1] VALVE  
    (SEE SEPARATE ILLUSTRATION)
  6F-5985 [1] COUPLING (HOSE)  
  0S-1592 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  5B-7852 [1] COVER  
    (FLYWHEEL HOUSING)
  0S-1588 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
  5L-8147 [1] BRACKET  
  3H-0510 [1] GASKET  
  0S-1589 [3] BOLT  
  3B-4510 [3] LOCKWASHER  
  6F-7694 [1] COCK (SHUT-OFF)  
  8F-0256 Y [1] OILER  
    (SEE SEPARATE ILLUSTRATION)
  6F-8856 [3] ELBOW  
  3L-8993 [6] NIPPLE  
  5B-7666 [1] STREET ELL  
  1H-4725 [1] SILENCER  
  0S-1585 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  6L-1849 [1] FLANGE  
  6F-9206 [1] GASKET  
  5L-1750 Y [1] MOTOR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  6F-9206 [1] GASKET  
  1H-4768 [1] GASKET  
  0S-1595 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  4F-7835 [1] RING  
  5L-1723 [1] ELBOW  
  1D-4566 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  5F-6658 [1] JAR  
  Y   SEPARATE ILLUSTRATION
 

Information:

Engine News
New Regulator And Field Coil Assemblies Used
1981/11/25
FT1808 Cable Permits Easier Use Of 6V2100 Multitach To Check Engine Or Alternator RPM
1984/01/18
Identification Of External Terminals On Alternators
1987/04/01
Remanufactured Heavy-Duty Starters And High-Amp Alternators
1987/06/01
8T5314 Socket Adapter Available To Correctly Install Alternator Pulley Nut
1988/01/01
Repair Parts Available for Alternator R-Terminal {1405}
2000/12/01
Harness Repair of Alternator R-Terminal Connector {1405}
2000/12/01
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Engines {1406, 7569}
Special Instruction
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Upgrading Alternators To Include An Integrated Circuit Regulator{1405, 1410}
Charging System Troubleshooting {1406}
Charging System Troubleshooting {1406}
Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure for Replacing Regulator Kit on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Procedure to Install Brush Holder Assembly to End Frame on All Engines {1405}
Specifications
Alternators And Regulators
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Alternator Regulators
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Generator Regulator
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Alternator
30SI Series and 34SI Series Alternator
Systems Operation
General Information
30SI Series and 34SI Series Alternator
Normal Operation
30SI Series and 34SI Series Alternator
Component Description
30SI Series and 34SI Series Alternator
Testing and Adjusting
T1 Alternator Output - Test
30SI Series and 34SI Series Alternator
T2 Electrical System Current - Test
30SI Series and 34SI Series Alternator
T3 Charging System - Test
30SI Series and 34SI Series Alternator
T4 Alternator Drive System - Check
30SI Series and 34SI Series Alternator
T5 Alternator Current - Test
30SI Series and 34SI Series Alternator
T6 Residual Magnetism Restoration
30SI Series and 34SI Series Alternator
T7 Identifying Source of Current Draw - Test
30SI Series and 34SI Series Alternator
T8 Alternator Overcharging - Test
30SI Series and 34SI Series Alternator
General Information
30SI Series and 34SI Series Alternator
Initial Troubleshooting Procedure
30SI Series and 34SI Series Alternator
Component - Test
30SI Series and 34SI Series Alternator
Disassembly and Assembly
Alternator - Disassemble
30SI Series and 34SI Series Alternator
Alternator - Assemble
30SI Series and 34SI Series Alternator
Service Magazine
New Regulator And Field Coil Assemblies Used{1410,1405}
1981/11/23
Voltage Regulator Cross Reference Chart{1410,1405}
1985/07/01
Identification Of External Terminals On Alternators{1405,1406,1400}
1987/03/23
Alternator "R" Terminal Wire Assembly Available For Wiring Harness Repair{1408}
1987/05/04
Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04
Check Alternator Output Connection Prior To Machine Delivery{1405}
1987/05/18
Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25
Correct Torque Value For Alternator Drive Pulley Retaining Nut Is Important{1405}
1987/11/23
8T5314 Socket Adapter Available To Correctly Install Alternator Pulley Nut {0601}
1988/01/25
New 35-Ampere Alternator Used On Some Engines In Caterpillar Equipment{1405,1406}
1979/08/13
Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22
Repair Parts Available for Alternator R-Terminal {1405}
2000/10/02
Harness Repair of Alternator R-Terminal Connector {1405, 1408, 7553}
2000/10/02
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}
Charging System Troubleshooting Guide Has Been Updated for All Machines {1406, 7569}

Caterpillar Parts SIS Catalog D379A :

ALTERNATOR AS
5L-1243 ALTERNATOR AS
ALTERNATOR AS
5L-1243 ALTERNATOR AS
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR GP
5L-1019 ALTERNATOR GP
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
5L-5382 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
BATTERY GP
7L-7871 BATTERY GP
BATTERY GP
3N-4653 BATTERY GP
BATTERY GP
5F-5276 BATTERY GP
BATTERY GROUP
1L-5663 BATTERY GROUP
AIR STARTING INSTALLATION GROUP
5L-8148 AIR STARTING INSTALLATION GROUP
AIR STARTING INSTALLATION GROUP
5L-8148 AIR STARTING INSTALLATION GROUP
AIR STARTING INSTALLATION GROUP
5L-2717 AIR STARTING INSTALLATION GROUP
AIR STARTING INSTALLATION GROUP
5L-2717 AIR STARTING INSTALLATION GROUP

Truck sale: