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5L7268 MOTOR ASSEMBLY--R.H.--32 Volt--Part 1 of 2 5L5382 MOTOR ASSEMBLY--L.H.--32 Volt--Part 1 of 2 Part of 6L2748 Electric Starting Group shown on Page 54B-2 D379A


ELECTRICAL AND STARTING SYSTEM
STARTING MOTOR GP
ALTERNATOR GP-CHARGING

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

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
5L-7268 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
5L-5382 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
5L-7268 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
5L-5382 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
 

#UE0341710210
 

5L-5382: MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.

5L7268 MOTOR ASSEMBLY--R.H.--32 Volt--Part 1 of 2
5L5382 MOTOR ASSEMBLY--L.H.--32 Volt--Part 1 of 2
Part of 6L2748 Electric Starting Group shown on Page 54B-2
c100819 UE034171
5L5382 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H. Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-0332 [1] PLATE  
  5H-6467 [3] MACHINE SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7M-0331 [1] PLATE ASSEM.  
  [3] PLATE  
  3H-3697 [3] PIN  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3512 [12] SPRING  
    (PARTS OF PLATE ASSEM.7M330)
  4M-1849 [1] LEAD ASSEM.  
  7M-0330 [1] PLATE ASSEM.  
  8F-9206 [1] SEAL  
  4M-1847 [1] BUSHING  
  1D-4719 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  1D-5117 [1] NUT  
  3B-4508 [1] LOCKWASHER  
  7F-3494 [1] WASHER  
  4M-1848 [1] INSULATOR  
  7F-3491 [2] WASHER  
  4M-1831 [3] PLUG  
  4M-1832 [3] GASKET  
  7F-4556 [6] BOLT  
  1L-4789 [6] LOCKWASHER  
  9F-9298 [12] SCREW  
  2L-6679 [3] PLATE  
  4B-1311 [3] MACHINE SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3513 [6] HOLDER  
  7F-3522 [3] SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3520 [1] PLATE  
  7F-3521 [3] PLATE  
    (PARTS OF PLATE ASSEM.7M330)
  7F-4556 [7] BOLT  
  1L-4789 [7] LOCKWASHER  
  4M-1831 [1] PLUG  
  4M-1832 [1] GASKET  
  4M-1896 [1] BUSHING  
    (PART OF HOUSING ASSEM. 1S297)
  1S-0297 [1] HOUSING ASSEM.  
 

#UE0341710211
 

5L-7268: MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.

5L7268 MOTOR ASSEMBLY--R.H.--32 Volt--Part 2 of 2
5L5382 MOTOR ASSEMBLY--L.H.--32 Volt--Part 2 of 2
Part of 6L2748 Electric Starting Group shown on Page 54B-2
c100818 UE034171
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-6426 [1] CONNECTOR  
  1D-5117 [2] NUT  
  3B-4508 [1] LOCKWASHER  
  7F-3494 [1] WASHER (.031"THICK)  
  9H-3757 [2] WASHER (.093"THICK)  
  3L-3380 [1] BUSHING  
  2J-8163 [2] SEAL  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
  1H-9721 [1] PLUG  
  7F-3506 [1] BUSHING  
    (PARTS OF FRAME ASSEM.5L6428)
  7M-0327 [1] WASHER  
  5L-6428 [1] FRAME ASSEM.  
  4B-1221 [3] MACHINE SCREW  
  8H-0878 [3] LOCKWASHER  
  7F-3529 [3] WASHER  
  2F-2860 [12] MACHINE SCREW  
  3B-4501 [12] LOCKWASHER  
  7M-0329 [12] BRUSH ASSEM.  
  7M-0325 [1] INSULATOR  
  5L-6424 [1] ARMATURE ASSEM.  
  7M-0324 [1] COIL ASSEM.  
  4M-1855 [1] PLUNGER ASSEM.  
  4M-1828 [1] RETAINER  
  2S-4027 [1] WASHER  
  4M-1829 [1] BOOT  
  6H-3622 [4] SCREW ASSEM.  
  5L-6427 [1] SWITCH ASSEM.  
  7F-3488 [6] POLE  
  1H-2629 [3] INSULATOR  
  1M-9971 [1] SPACER  
  2F-6678 [1] SEAL  
  1M-9968 [1] BUSHING  
    (PARTS OF HOUSING ASSEM.7M333)
  9M-7609 [1] SPRING  
  7M-0333 [1] HOUSING ASSEM.  
  4M-1827 [1] RETAINER  
  2H-3429 [1] RING  
  3F-2617 [1] NUT  
  4M-1853 [1] LEVER ASSEM.  
  4M-1854 [1] SHAFT  
  1H-1023 [1] SEAL (.369"DIA.)  
  2D-6392 [1] SEAL (.239"DIA.)  
  2H-3429 [1] RING  
  4M-1851 [1] GASKET  
  5L-6429 [1] CLUTCH ASSEM.  
  1S-8931 [1] CUP KIT  
    (CONSISTS OF 2 FLANGED AND 2 STRAIGHT CUPS)
  5L-6604 [1] PINION  
  1M-9953 [1] SPRING  
    (PARTS OF CLUTCH ASSEM.5L6429)
  4M-1833 [5] SCREW  
  7M-0336 [1] SCREW  
  4L-2729 [1] WASHER  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
    (PARTS OF HOUSING ASSEM.7M333)
 

#UE0341710212
 

5L-5382: MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.

5L7268 MOTOR ASSEMBLY--R.H.--32 Volt--Part 2 of 2
5L5382 MOTOR ASSEMBLY--L.H.--32 Volt--Part 2 of 2
Part of 6L2748 Electric Starting Group shown on Page 54B-2
c100818 UE034171
5L5382 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H. Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-6426 [1] CONNECTOR  
  1D-5117 [2] NUT  
  3B-4508 [1] LOCKWASHER  
  7F-3494 [1] WASHER (.031"THICK)  
  9H-3757 [2] WASHER (.093"THICK)  
  3L-3380 [1] BUSHING  
  2J-8163 [2] SEAL  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
  1H-9721 [1] PLUG  
  7F-3506 [1] BUSHING  
    (PARTS OF FRAME ASSEM.5L6428)
  7M-0327 [1] WASHER  
  5L-6428 [1] FRAME ASSEM.  
  4B-1221 [3] MACHINE SCREW  
  8H-0878 [3] LOCKWASHER  
  7F-3529 [3] WASHER  
  2F-2860 [12] MACHINE SCREW  
  3B-4501 [12] LOCKWASHER  
  7M-0329 [12] BRUSH ASSEM.  
  7M-0325 [1] INSULATOR  
  5L-6424 [1] ARMATURE ASSEM.  
  7M-0324 [1] COIL ASSEM.  
  4M-1855 [1] PLUNGER ASSEM.  
  4M-1828 [1] RETAINER  
  2S-4027 [1] WASHER  
  4M-1829 [1] BOOT  
  6H-3622 [4] SCREW ASSEM.  
  5L-6427 [1] SWITCH ASSEM.  
  7F-3488 [6] POLE  
  1H-2629 [3] INSULATOR  
  1M-9971 [1] SPACER  
  2F-6678 [1] SEAL  
  1M-9968 [1] BUSHING  
    (PARTS OF HOUSING ASSEM.7M333)
  9M-7609 [1] SPRING  
  7M-0333 [1] HOUSING ASSEM.  
  4M-1827 [1] RETAINER  
  2H-3429 [1] RING  
  3F-2617 [1] NUT  
  4M-1853 [1] LEVER ASSEM.  
  4M-1854 [1] SHAFT  
  1H-1023 [1] SEAL (.369"DIA.)  
  2D-6392 [1] SEAL (.239"DIA.)  
  2H-3429 [1] RING  
  4M-1851 [1] GASKET  
  5L-6429 [1] CLUTCH ASSEM.  
  1S-8931 [1] CUP KIT  
    (CONSISTS OF 2 FLANGED AND 2 STRAIGHT CUPS)
  5L-6604 [1] PINION  
  1M-9953 [1] SPRING  
    (PARTS OF CLUTCH ASSEM.5L6429)
  4M-1833 [5] SCREW  
  7M-0336 [1] SCREW  
  4L-2729 [1] WASHER  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
    (PARTS OF HOUSING ASSEM.7M333)
 

#UE0341710213
 

8L-6205: MOTOR AS-ELECTRIC STARTING

8L6205 MOTOR ASSEMBLY--R.H. and L.H.--32 Volt--Part 1 of 2
Part of 6L2748 Electric Starting Group shown on Page 54C
c123095 UE034171
8L6205 MOTOR AS-ELECTRIC STARTING Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-0332 [1] PLATE  
  5H-6467 [3] MACHINE SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7M-0331 [1] PLATE ASSEM  
  [3] PLATE  
  3H-3697 [3] PIN  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3512 [12] SPRING  
    (PARTS OF PLATE ASSEM. 7M330)
  4M-1849 [1] LEAD ASSEM.  
  7M-0330 [1] PLATE ASSEM  
  8F-9206 [1] SEAL  
  4M-1847 [1] BUSHING  
  1D-4719 [1] NUT  
  9F-4976 [1] LOCKWASHER  
  3H-3680 [1] NUT  
  9F-4976 [1] LOCKWASHER  
  7F-3494 [1] WASHER  
  4M-1848 [1] INSULATOR  
  7F-3491 [2] WASHER  
  4M-1831 [3] PLUG  
  7L-2894 [3] GASKET  
  7F-4556 [6] BOLT  
  8H-3481 [6] LOCKWASHER  
  3F-0379 [12] SCREW  
  2L-6679 [3] PLATE  
  4B-1311 [3] MACHINE SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3513 [6] HOLDER  
  7F-3522 [3] SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-3525 [3] WASHER  
  7F-3520 [1] PLATE  
  7F-3521 [3] PLATE  
    (PARTS OF PLATE ASSEM 7M330)
  7F-4556 [7] BOLT  
  8H-3481 [7] LOCKWASHER  
  4M-1831 [1] PLUG  
  7L-2894 [1] GASKET  
  4M-1896 [1] BUSHING  
    (PART OF HOUSING ASSEM 1S297)
  1S-0297 [1] HOUSING ASSEM.  
 

#UE0341710214
 

8L-6205: MOTOR AS-ELECTRIC STARTING

8L6205 MOTOR ASSEMBLY--R.H. and L.H.--32 Volt--Part 2 of 2
Part of 6L2748 Electric Starting Group shown on Page 54C
5L8595 Switch parts are shown on Page 55
c123094 UE034171
8L6205 MOTOR AS-ELECTRIC STARTING Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7M-0326 [1] CONNECTOR  
  3H-3680 [2] NUT  
  9F-4976 [1] LOCKWASHER  
  7F-3494 [1] WASHER (.031" THICK)  
  9H-3757 [2] WASHER (.093" THICK)  
  3L-3380 [1] BUSHING  
  4M-0189 [2] SEAL  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
  1H-9721 [1] PLUG  
  7F-3506 [1] BUSHING  
    (PARTS OF FRAME ASSEM 5L6428)
  7M-0327 [1] WASHER  
  5L-6428 [1] FRAME ASSEM  
  4B-1221 [3] SCREW  
  8H-0878 [3] LOCKWASHER  
  7F-3529 [3] WASHER  
  2F-2860 [12] SCREW  
  7M-0329 [12] BRUSH ASSEM.  
  7M-0325 [1] INSULATOR  
  7M-8651 [1] ARMATURE ASSEM  
  5L-6425 [1] COIL ASSEM  
  4M-1855 [1] PLUNGER ASSEM  
  4M-1828 [1] RETAINER  
  4M-0188 [1] WASHER  
  4M-1829 [1] BOOT  
  6H-3622 [4] SCREW ASSEM  
  5L-8595 Y [1] SWITCH ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  7F-3488 [6] POLE  
  1H-2629 [3] INSULATOR  
  1M-9971 [1] SPACER  
  2F-6678 [1] SEAL  
  1M-9968 [1] BUSHING  
    (PARTS OF HOUSING ASSEM 7M333)
  9M-7609 [1] SPRING  
  7M-0333 [1] HOUSING ASSEM  
  4M-1827 [1] RETAINER  
  9M-7611 [1] RING  
  3F-2617 [1] NUT  
  4M-1853 [1] LEVER ASSEM.  
  4M-1854 [1] SHAFT  
  1H-1023 [1] SEAL (.369" DIA.)  
  2D-6392 [1] SEAL (.239" DIA.)  
  9M-7611 [1] RING  
  4M-1851 [1] GASKET  
  8L-9782 [1] CLUTCH ASSEM  
  4M-1833 [5] SCREW (1.50" LONG)  
  7M-0336 [1] SCREW (.86" LONG)  
  4L-2729 [1] WASHER  
  2B-4602 [1] PLUG  
  9F-2547 [1] WICK  
    (PARTS OF HOUSING ASSEM 7M333)
  Y   SEPARATE ILLUSTRATION
 

#UE0341710215
 

5L-1019: ALTERNATOR GP

5L1019 ALTERNATOR GROUP--32 Volt, 60 Ampere--Type 1
5L1243 Alternator Assembly parts are shown on Pages 60C and 60D
c85574 UE034171
5L1019 ALTERNATOR GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-2320 [1] WIRING KIT GROUP  
  6B-2500 [27] FT. WIRE (NO. 10)  
  6B-2501 [22] FT. WIRE (NO. 6)  
  1L-9899 [1] MARKERS (CARD OF:)  
  2L-1944 [1] TAPE (ELEC. 1/2"X150")  
  2L-9724 [10] CLIP  
  2L-8049 [10] TERMINAL (NO. 10 SCREW)  
  2L-8050 [2] TERMINAL (1/4" SCREW)  
  2L-8052 [1] TERMINAL (3/8" SCREW)  
  2L-8054 [2] TERMINAL (1/2" SCREW)  
  2L-8051 [2] TERMINAL (1 5/6" SCREW)  
    (USED WITH NO. 6 WIRE)
  2L-8066 [7] TERMINAL (NO. 10 SCREW)  
  2L-8067 [5] TERMINAL (1/4" SCREW)  
  2L-8069 [2] TERMINAL (3/8" SCREW)  
  2L-8071 [2] TERMINAL (1/2" SCREW)  
    (USED WITH NO. 10 WIRE)
  5L-1243 Y [1] ALTERNATOR  
    (SEE SEPARATE ILLUS. FOR PARTS)
  0L-2070 [1] BOLT (2.25" LONG)  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-1647 [2] INSULATOR  
  5L-3907 [1] BRACKET  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4B-4278 [4] WASHER  
  5L-1244 [1] REGULATOR  
  0S-1571 [1] BOLT (1.75" LONG)  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-1647 [2] INSULATOR  
  5L-4167 [1] CAPACITOR  
  6F-5641 [1] AMMETER  
  2L-3402 [1] SWITCH  
  5L-3935 [1] BRACKET  
  0S-1594 [1] BOLT (1" LONG)  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-3980 [1] VEE BELT SET  
    (CONSISTS OF 2 BELTS)
  5L-1413 [1] PULLEY (DRIVE)  
  3B-5412 [1] NUT (SLOTTED)  
  [1] WASHER  
  [1] COTTER PIN  
  1B-8707 [1] KEY  
  5L-3940 [1] GUARD ASSEM.  
  5L-1552 [1] PULLEY (GENERATOR)  
  [1] WIRING DIAGRAM  
  5L-1647 [2] INSULATOR  
  0S-1571 [1] BOLT (1.75" LONG)  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  0L-1351 [1] BOLT  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  7B-2742 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
  4B-5269 [4] WASHER  
  6F-5884 [1] SHOCK MOUNT KIT  
  8F-0383 [1] BRACKET ASSEM. (1 HOLE)  
  8F-0385 [1] LEAD ASSEM.  
  8F-0382 [1] BRACKET ASSEM. (2 HOLE)  
  7H-1246 [3] SCREW  
  1B-4427 [3] NUT  
  3B-4504 [3] LOCKWASHER  
  1F-0082 [3] GROMMET ASSEM.  
  Y   SEPARATE ILLUSTRATION
 

#UE0341710216
 

5L-1019: ALTERNATOR GP

5L1019 ALTERNATOR GROUP--32 Volt, 60 Ampere--Type 2
5L1243 Alternator Assembly parts are shown on Pages 60C and 60D
c71623 UE034171
5L1019 ALTERNATOR GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-2320 [1] WIRING KIT GROUP  
  6B-2500 [27 FT.] WIRE (NO.10)  
  6B-2501 [22 FT.] WIRE (NO 6)  
  1L-9899 [1] MARKERS (CARD OF:)  
  2L-1944 [1] TAPE (ELEC. 1/2" X 150")  
  2L-9724 [10] CLIP  
  2L-8049 [10] TERMINAL (NO. 10 SCREW)  
  2L-8050 [2] TERMINAL (1/4" SCREW)  
  2L-8052 [1] TERMINAL (3/8" SCREW)  
  2L-8054 [2] TERMINAL (1/2" SCREW)  
  2L-8051 [2] TERMINAL (1 5/6" SCREW)  
    (USED WITH NO.6 WIRE)
  2L-8066 [7] TERMINAL (NO.10 SCREW)  
  2L-8067 [5] TERMINAL (1/4" SCREW)  
  2L-8069 [2] TERMINAL (3/8" SCREW)  
  2L-8071 [2] TERMINAL (1/2" SCREW)  
    (USED WITH NO.10 WIRE)
  5L-1243 Y [1] ALTERNATOR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0L-2070 [1] BOLT (2.25" LONG)  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-1647 [2] INSULATOR  
  5L-3907 [1] BRACKET  
  8M-3146 [1] SHOCK MOUNT KIT  
    (INCLUDES LEAD ASSEMBLY BRACKET ASSEMBLIES, SCREWS, NUTS AND LOCKWASHER)
  2L-3402 [1] SWITCH  
  8M-7892 [1] AMMETER  
  0S-1571 [1] BOLT (1.75" LONG)  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-1647 [2] INSULATOR  
  5L-3935 [1] BRACKET  
  0S-1594 [1] BOLT (1" LONG)  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-3980 [1] VEE BELT SET  
    (CONSISTS OF 2 BELTS)
  5L-1413 [1] PULLEY (DRIVE)  
  3B-5412 [1] NUT (SLOTTED)  
  [1] WASHER  
  [1] COTTER PIN  
  1B-8707 [1] KEY  
  5L-3940 [1] GUARD ASSEM.  
  5L-1552 [1] PULLEY (ALTERNATOR)  
  [1] WIRING DIAGRAM  
  5L-1647 [2] INSULATOR  
  0S-1571 [1] BOLT (1.75" LONG)  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  0L-1351 [1] BOLT  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4B-4278 [4] WASHER  
  5L-1244 [1] REGULATOR  
  7B-2742 [4] BOLT  
  3B-4504 [4] LOCKWASHER  
  4B-5269 [4] WASHER  
  Y   SEPARATE ILLUSTRATION
 

#UE0341710217
 

5L-1019: ALTERNATOR GP

5L1019 ALTERNATOR GROUP--32 Volt, 60 Ampere--Type 3
5L1243 Alternator Assembly, 6L5397 and 6L5658 Regulator Assembly parts are shown on Pages 60C, 60D and 60E
For 30 Volt application substitute 6L5658 for 6L5397
c79350 UE034171
5L1019 ALTERNATOR GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5L-2320 [1] WIRING KIT GROUP  
  6B-2500 [27FT.] WIRE (NO.10)  
  6B-2501 [22FT.] WIRE (NO.6)  
  1L-9899 [1] MARKERS (CARD OF:)  
  2L-1944 [1] TAPE (ELEC. 1/2" X 150")  
  2L-9724 [10] CLIP  
  2L-8049 [10] TERMINAL (NO.10 SCREW)  
  2L-8050 [2] TERMINAL (1/4" SCREW)  
  2L-8052 [1] TERMINAL (3/8" SCREW)  
  2L-8054 [2] TERMINAL (1/2" SCREW)  
  2L-8051 [2] TERMINAL (5/16" SCREW)  
    (USED WITH NO.6 WIRE)
  2L-8066 [7] TERMINAL (NO.10 SCREW)  
  2L-8067 [5] TERMINAL (1/4" SCREW)  
  2L-8069 [2] TERMINAL (3/8" SCREW)  
  2L-8071 [2] TERMINAL (1/2" SCREW)  
    (USED WITH NO.10 WIRE)
  2L-8077 [2] TERMINAL (1/4" SCREW)  
  2L-8076 [1] TERMINAL (NO.10 SCREW)  
    (USED WITH REGULATOR WIRE)
  5L-1243 Y [1] ALTERNATOR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  0L-2070 [1] BOLT (2.25" LONG)  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-1647 [2] INSULATOR  
  5L-3907 [1] BRACKET  
  2L-3402 [1] SWITCH  
  8M-7892 [1] AMMETER  
  0S-1571 [1] BOLT (1.75" LONG)  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-1647 [2] INSULATOR  
  6L-3483 [3] COVER  
  5L-3935 [1] BRACKET  
  0S-1594 [1] BOLT (1" LONG)  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  5L-3980 [1] VEE BELT SET  
    (CONSISTS OF 2 BELTS)
  5L-1413 [1] PULLEY (DRIVE)  
  3B-5412 [1] NUT (SLOTTED)  
  [1] WASHER  
  [1] COTTER PIN  
  1B-8707 [1] KEY  
  5L-3940 [1] GUARD ASSEM.  
  5L-1552 [1] PULLEY (ALTERNATOR)  
  [1] WIRING DIAGRAM  
  5L-1647 [2] INSULATOR  
  0S-1571 [1] BOLT (1.75" LONG)  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  4B-4278 [1] WASHER  
  0L-1351 [1] BOLT  
  1D-4717 [1] NUT  
  3B-4506 [1] LOCKWASHER  
  0L-1351 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
  4B-4278 [4] WASHER  
  6L-5397 [1] REGULATOR ASSEM.  
    -OR-
  6L-5658 YH [1] REGULATOR ASSEM.  
    (SEE SEPARATE ILLUSTRATION)
  6L-3484 [1] WIRE ASSEM.  
  0S-1616 [3] BOLT  
  3B-4504 [3] LOCKWASHER  
  4B-4276 [3] WASHER  
  H   NOT PART OF ALTERNATOR GROUP 5
  Y   SEPARATE ILLUSTRATION
 

#UE0341710218
 

5L-1243: ALTERNATOR AS

5L1243 ALTERNATOR ASSEMBLY--32 Volt, 60 Ampere--Type 1
Part of 5L1019 Alternator Group shown on Pages 60, 60A and 60B
c80848 UE034171
5L1243 ALTERNATOR AS Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [2] STUD  
  4L-5694 [4] NUT  
  2H-9071 [4] LOCKWASHER  
  9B-8932 [2] WASHER  
  3F-3711 [2] WASHER  
  7F-9809 [2] BUSHING  
  5L-4279 [1] STUD  
  5L-4426 [2] NUT  
  8H-3481 [2] LOCKWASHER  
  3F-9556 [1] LOCKWASHER  
  2H-9048 [1] WASHER  
  5L-4277 [2] BUSHING  
  [1] PIN  
  [1] PIN  
    (PARTS OF FRAME ASSEM. 5L4267)
  5L-6485 [1] KIT (BRUSH REPLACEMENT)  
  5L-6488 [1] SLIP RING ASSEM.  
    (PART OF ROTOR ASSEM. 5L6487)
  4L-0563 [1] PLUG  
    (PART OF FRAME ASSEM. 5L4267)
  2L-7414 [1] BEARING  
  2L-6840 [1] RING  
    (PART OF FRAME ASSEM. 5L4267)
  5L-4285 [1] BRACKET  
  5L-6484 [3] KIT (NEGATIVE RECTIFIER)  
  5L-6483 [3] KIT (POSITIVE RECTIFIER)  
  5L-4267 [1] FRAME ASSEM.  
  5L-4282 [4] BUSHING  
  5L-4266 [1] BUSHING  
  5L-4265 [1] SLEEVE  
    (PARTS OF FRAME ASSEM. 5L4267)
  5L-4507 [2] SCREW  
  7H-2079 [2] LOCKWASHER  
  3H-0240 [2] WASHER  
  9B-9178 [1] SCREW  
  8H-3481 [1] LOCKWASHER  
  5L-6487 [1] ROTOR ASSEM.  
  5L-4283 [4] BOLT  
  5L-6486 [1] STATOR ASSEM.  
  5L-4274 [1] CONNECTOR  
  5L-4273 [1] FRAME  
  5L-6489 [1] RETAINER  
  5L-4284 [1] GASKET  
  6B-0924 [1] BEARING  
  9B-8935 [1] COLLAR  
  1B-8704 [1] KEY  
  8F-2707 [1] NUT  
  5L-3483 [1] LOCKWASHER  
  9B-9113 [1] WASHER  
  5L-4276 [1] RETAINER  
  5L-6490 [3] SCREW  
  9F-8125 [3] LOCKWASHER  
  5L-4203 [1] FAN & BAFFLE ASSEM.  
 

#UE0341710219
 

5L-1243: ALTERNATOR AS

5L1243 ALTERNATOR ASSEMBLY--32 Volt, 60 Ampere--Type 2
Part of 5L1019 Alternator Group shown on Pages 60, 60A and 60B
c104943 UE034171
5L1243 ALTERNATOR AS Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9B-8934 [2] STUD ASSEM.  
  4B-2051 [4] NUT  
  2H-9071 [4] LOCKWASHER  
  9B-8932 [2] WASHER  
  3F-3711 [2] WASHER  
  5L-4279 [1] STUD  
  5L-4426 [2] NUT  
  8H-3481 [2] LOCKWASHER  
  3F-9556 [1] LOCKWASHER  
  7F-4920 [1] WASHER  
  5L-4277 [2] BUSHING  
  6L-4468 [1] CONNECTOR  
  5L-6488 [1] SLIP RING ASSEM.  
    (PART OF ROTOR ASSEM. 5L6487)
  2L-7414 [1] BEARING  
  5L-4285 [1] BRACKET  
  6L-3661 [3] WIRE ASSEM.  
  5L-8412 [1] FRAME ASSEM.  
  5L-4282 [4] BUSHING  
  5L-4507 [2] SCREW  
  7H-2079 [2] LOCKWASHER  
  3H-0240 [2] WASHER  
  9B-9178 [1] SCREW  
  8H-3481 [1] LOCKWASHER  
  5L-6487 [1] ROTOR ASSEM.  
  5L-4286 [1] STATOR ASSEM.  
  5L-4274 [1] CONNECTOR  
  5L-4283 [4] BOLT  
  5L-4273 [1] FRAME  
  5L-6489 [1] RETAINER  
  5L-4284 [1] GASKET  
  6B-0924 [1] BEARING  
  9B-8935 [1] COLLAR  
  1B-8704 [1] KEY  
  6L-4153 [1] NUT  
  4L-0573 [1] WASHER  
  9B-9113 [1] WASHER  
  5L-4276 [1] RETAINER  
  5L-6490 [3] SCREW  
  9F-8125 [3] LOCKWASHER  
  5L-4203 [1] FAN AND BAFFLE ASSEM.  
  5L-6483 H [3] KIT (POSITIVE RECTIFIER)  
  5L-6484 H [3] KIT (NEGATIVE RECTIFIER)  
  5L-6485 H [1] KIT (BRUSH REPLACEMENT)  
  6L-4853 H [1] KIT (TERMINAL AND HOLDER)  
  H   NOT PART OF 5L1243 ALTERNATOR
 

Information:

General Service Information
Introduction
DELCO REMY CRANKING MOTORS 30-MT, 35-MT, 40-MT, 50-MT SERIES
Delco Remy
DELCO REMY CRANKING MOTORS 30-MT, 35-MT, 40-MT, 50-MT SERIES
Engine News
New Air Starting Motor Group Available
1982/08/25
New Air Starting Motor Has A Slip-Clutch Type Drive Gear
1983/10/26
12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors
1987/02/01
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts
1987/03/01
Testing The Starter On The Engine
1987/05/01
Remanufactured Heavy-Duty Starters And High-Amp Alternators
1987/06/01
Be Sure Battery Cable To Starter Connection Has Correct Torque
1988/03/01
Magnetic Switches (Starter Relays) Improved
1988/03/01
Air Starter Relay Valve Improved
1991/07/01
Improved Remanufactured Electric Starting Motors are Now Available {1453}
2003/11/01
Special Instruction
Installation of Electric Starting Motors{1453}
Installation of Electric Starting Motors{1453}
Caterpillar PRELUB<SUP>&reg;</SUP> Diagnostics{1469}
Caterpillar PRELUB® Diagnostics{1469}
Solenoid (Starting Motor) &minus; Replace{1467}
Solenoid (Starting Motor) − Replace{1467}
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Installation of New Shift Lever Assembly for All Starter Motors {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Procedure to Install the Insulator on to Series Starters on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Installation of Repair Kit-Solenoid Plunger Assembly on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Terminal Kit on All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Install Brush Holder Assembly in All Engines {1453}
Procedure to Replace Armature of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1408, 1450, 1453}
Procedure to Replace Armature of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1408, 1450, 1453}
Procedure to Replace Commutator End (CE) Housing of Starter Motor On All Cat® Products {1408, 1450, 1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat<SUP>&reg;</SUP> Products {1453}
Procedure to Replace Drive Assembly of Starter Motor On All Cat® Products {1453}
Specifications
Prelube Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starter Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starter Solenoids
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Pressure Regulating Valve For Air Starting Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Air Starting Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Hydraulic Starting Motor
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Charging Pump For Hydraulic Starting
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Hand Pump For Hydraulic Starter
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Pressure Accumulator For Hydraulic Starter
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starting Motor
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor
Starting Motor - Delco 50-MT
Systems Operation
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Component Description
37-MT, 41-MT, and 42-MT Series Starting Motors
Normal Operation
37-MT, 41-MT, and 42-MT Series Starting Motors
Component Description
Starting Motor - Delco 50-MT
General Information
Starting Motor - Delco 50-MT
Normal Operation
Starting Motor - Delco 50-MT
Testing and Adjusting
No Load - Test
37-MT, 41-MT, and 42-MT Series Starting Motors
Brush and Brush Holder - Check
37-MT, 41-MT, and 42-MT Series Starting Motors
Pinion Clearance - Adjust
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor Solenoid - Test
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor Solenoid - Test
Starting Motor - Delco 50-MT
Field Winding - Test
Starting Motor - Delco 50-MT
Armature - Test
Starting Motor - Delco 50-MT
Brush and Brush Holder - Check
Starting Motor - Delco 50-MT
Pinion Drive - Check
Starting Motor - Delco 50-MT
No Load - Test
Starting Motor - Delco 50-MT
Pinion Clearance - Adjust
Starting Motor - Delco 50-MT
Troubleshooting
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor Does Not Turn or Turns Slowly
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
Starting Motor - Delco 50-MT
Pinion Does Not Engage Ring Gear
Starting Motor - Delco 50-MT
Engine Does Not Crank with Starting Motor On and Pinion Engaging Ring Gear
Starting Motor - Delco 50-MT
Starting Motor Continues to Operate after Start Switch Has Been Released
Starting Motor - Delco 50-MT
Pinion Continues to Engage after Engine Starts
Starting Motor - Delco 50-MT
Starting Motor Does Not Turn or Turns Slowly
Starting Motor - Delco 50-MT
Disassembly and Assembly
Prelubrication Oil Pump (D399)
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Sump Pump
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Electric Starting Motors
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Air Starter
D379, D398, D399 INDUSTRIAL & MARINE ENGINES
Starting Motor - Disassemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Assemble - 37-MT and 41-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Disassemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
Starting Motor - Assemble - 42-MT
37-MT, 41-MT, and 42-MT Series Starting Motors
General Information
Starting Motor - Delco 50-MT
Starting Motor - Disassemble
Starting Motor - Delco 50-MT
Starting Motor - Assemble
Starting Motor - Delco 50-MT
Service Magazine
Replacement Of Brush Holder Pins In Delco-Remy Electric Starting Motors{1453}
1982/06/28
New Air Starting Motor Group Available{1451}
1982/07/19
New Air Starting Motor Has A Slip-Clutch Type Drive Gear{1451}
1983/10/17
New Start Switch Used {1416,1453}
1986/07/07
Adjust Bosch Solenoid If Replaced Or Reinstalled{1407,1453}
1986/11/10
12-Volt Starter Solenoid Available For 7T2265 And 7T2266 Starting Motors{1407}
1987/02/16
Modification To Prevent Starter From Remaining Engaged With Flywheel After Engine Starts{1400,1450}
1987/03/16
Testing The Starter On The Engine{1401,1450}
1987/05/04
Remanufactured Heavy-Duty Starters And High-Amp Alternators{1405,1453}
1987/05/25
Be Sure Battery Cable-To-Starter Connection Has Correct Torque{1453}
1988/03/14
Magnetic Switches (Starter Relays) Improved{1450}
1988/03/14
Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05
Limitations On Engine Cranking Time{1453,1401}
1989/03/27
Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24
Air Starter Relay Valve Improved{1462}
1991/06/24

Caterpillar Parts SIS Catalog D379A :

5L-7268 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-5939 MOTOR AS-ELECTRIC STARTING
STARTING MOTOR AS-ELECTRIC
8L-5937 STARTING MOTOR AS-ELECTRIC
STARTING MOTOR AS-ELECTRIC
8L-5937 STARTING MOTOR AS-ELECTRIC
STARTING MOTOR AS-ELECTRIC
8L-5937 STARTING MOTOR AS-ELECTRIC
5L-7268 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
5L-5382 MOTOR ASSEMBLY--R.H.,MOTOR ASSEMBLY--L.H.
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
MOTOR AS-ELECTRIC STARTING
8L-6205 MOTOR AS-ELECTRIC STARTING
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR GP
5L-1019 ALTERNATOR GP
ALTERNATOR AS
5L-1243 ALTERNATOR AS

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