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1M2381 REGULATOR--6 Volt, 18 Ampere Part of 2L6805 and 2L9395 Generator Groups shown on Pages 131 and 132 D353C




ELECTRICAL AND STARTING SYSTEM

ALTERNATOR GP-CHARGING
 

#UE0335830260
 

1M-2381: REGULATOR

1M2381 REGULATOR--6 Volt, 18 Ampere
Part of 2L6805 and 2L9395 Generator Groups shown on Pages 131 and 132
c55534 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  7H-1242 [2] SCREW & LOCKWASHER  
  9B-1117 [2] LOCKWASHER  
  7F-6765 [1] SCREW  
  8F-0380 [1] CONTACTOR ASSEM.  
  2F-5824 [4] SCREW  
  1F-0075 [2] LOCKWASHER  
  7H-1245 [1] COVER  
  1M-2422 [1] ARMATURE  
  7H-1244 [1] GASKET  
  1F-0082 [3] GROMMET  
  7F-3821 [1] SPRING  
  3L-8345 [1] SPRING  
  5H-1787 [2] SCREW  
  7F-3826 [2] RESISTOR  
  [1] CONNECTOR  
  7H-1243 [1] CONTACTOR ASSEM.  
  5H-1788 [2] INSULATOR  
  7F-3827 [2] INSULATOR  
  7H-4605 [2] SCREW  
  3L-8354 [2] LOCKWASHER  
  1F-0073 [3] CLAMP  
  1F-0072 [3] SCREW  
 

#UE0335830261
 

9H-6316: REGULATOR

9H6316 REGULATOR--6 Volt, 40 Ampere
Part of 2L6806 and 2L9396 Generator Groups shown on Pages 132 and 133
c53637 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1H-3241 [1] SCREW  
  8F-1325 [1] CLIP  
  1M-4644 [1] COIL ASSEM.  
  2H-6038 [1] COIL ASSEM.  
  8F-1433 [3] YOKE ASSEM.  
  8F-1344 [3] WASHER (INSUL.)  
  1H-3238 [1] WASHER (INSUL.)  
  7H-7887 [1] WASHER (SPACING)  
  1M-4636 [3] PLATE (SPACING)  
  6H-6301 [2] SCREW ASSEM.  
  2H-5326 [1] WASHER (INSUL.)  
  1M-4640 [1] COVER  
  8F-1318 [1] GASKET  
  6H-9217 [1] BRACKET ASSEM.  
  8F-1444 [1] BRACKET  
  6H-9213 [2] BUSHING  
  [1] TUBE  
  8F-1339 [1] ARMATURE ASSEM.  
  8F-1437 [1] BAR  
  8F-1439 [3] PLATE  
  1M-4645 [1] BRACKET  
  6H-9214 [1] BUSHING (INSUL.)  
  6H-9215 [1] BUSHING (INSUL.)  
  8F-1342 [4] SCREW  
  8F-1330 [4] PLATE  
  6F-6633 [1] NIPPLE  
  8F-1331 [1] PLATE (TERMINAL)  
  6H-9212 [2] SCREW ASSEM.  
  8F-1445 [2] NUT  
  7H-7891 [2] PLATE (CONNECTOR)  
  8F-1329 [1] PLATE  
  7H-7896 [1] RESISTOR (6 OHM)  
  7H-7895 [1] RESISTOR (12 OHM)  
  4F-2307 [1] NUT  
  4F-5395 [1] WASHER  
  6H-9210 [2] SCREW ASSEM.  
  8F-1337 [2] SPRING  
  6H-9220 [1] ARMATURE ASSEM.  
  1M-4635 [1] SPRING  
  1M-4637 [1] ARMATURE ASSEM.  
  5H-9247 [1] PLATE (INSUL.)  
  5H-9245 [6] WASHER (INSUL.)  
  8F-1320 [2] WASHER (INSUL.)  
  5H-9246 [3] WASHER (INSUL.)  
  2H-5155 [1] COIL ASSEM.  
  7H-7886 [1] WASHER (SPACING)  
  6H-9219 [3] SCREW ASSEM.  
  7H-7882 [1] PLATE  
  7H-7881 [1] BRACKET  
  7H-7880 [1] CONNECTOR  
  6H-9409 [2] BUSHING (INSUL.)  
  8F-1448 [6] WASHER (INSUL.)  
  7H-7883 [6] SCREW ASSEM.  
  6F-5832 [1] SCREW  
  4F-2307 [2] NUT  
  1H-4393 [1] LOCKWASHER  
  8F-1326 [1] WASHER (PLAIN)  
  4F-5395 [1] LOCKWASHER  
  [1] SCREW  
  8F-1445 [1] NUT  
  6F-5832 [1] SCREW  
  8F-1478 [1] BUSHING  
  8F-1445 [1] NUT  
  8F-1332 [3] PLATE (TERMINAL)  
  6H-9542 [5] NUT  
  8F-1434 [5] LOCKWASHER  
  8F-1436 [1] WASHER (PLAIN)  
  8F-1464 [1] WASHER (INSUL.)  
  8F-1320 [2] WASHER (INSUL.)  
  7H-7894 [1] RESISTOR (9 OHM)  
  8F-1335 [1] PLATE  
  1M-4641 [1] BASE ASSEM.  
 

#UE0335830262
 

1L-3467: REGULATOR

1L3467 REGULATOR--12 Volt, 40 Ampere
Part of 2L9398 and 2L6808 Generator Groups shown on Pages 135 and 136
c39105 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8F-0382 [1] BRACKET  
  8F-0384 [2] SCREW  
  1B-4427 [2] NUT  
  3B-4504 [2] LOCKWASHER  
  8F-0381 [1] ARMATURE ASSEM.  
  1F-0082 [3] GROMMET  
  8F-0385 [1] LEAD  
  1F-0070 [2] SCREW  
  5H-1789 [2] WASHER  
  7F-6765 [1] SCREW  
  1F-0078 [1] COVER  
  1F-0077 [1] GASKET  
  1F-0072 [3] SCREW  
  1F-0073 [3] CLAMP  
  4B-1218 [2] SCREW  
  9B-1117 [2] LOCKWASHER  
  8F-0383 [1] BRACKET  
  8F-0384 [1] SCREW  
  1B-4427 [1] NUT  
  3B-4504 [1] LOCKWASHER  
  [1] CONNECTOR  
  2F-5824 [4] SCREW  
  1F-0075 [2] LOCKWASHER  
  5H-1788 [2] INSULATOR  
  8F-0380 [2] CONTACTOR ASSEM.  
  7F-3827 [2] INSULATOR  
  7F-3821 [2] SPRING  
  5H-1787 [2] SCREW  
  [1] RESISTANCE  
  8F-0378 [1] RESISTANCE  
 

#UE0335830263
 

3H-2273: REGULATOR

3H2273 REGULATOR--32 Volt, 15 Ampere
Part of 2L6809 and 2L9399 Generator Groups shown on Pages 137 and 138
Relay and Element Assembly parts are shown on Page 148
c37164 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-1237 [4] SCREW  
  4B-4863 [4] WASHER  
  3B-4502 [4] LOCKWASHER  
  [4] BUSHING  
  7F-8491 [4] RESISTOR  
    (750 OHMS.)
  7F-8490 [2] RESISTOR  
    (300 OHMS.)
  7F-8492 [2] CONNECTOR  
  7F-8489 [1] RESISTOR  
    (200 OHMS)
  [1] LEAD ASSEM.  
  [1] BASE  
  4B-1235 [1] SCREW  
  3B-4502 [1] LOCKWASHER  
  [1] PANEL  
  1H-2281 [1] LEAD ASSEM.  
  3H-8390 Y [1] ELEMENT ASSEM.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  1H-2280 [1] LEAD ASSEM.  
  3H-8393 Y [1] ELEMENT ASSEM.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  1H-2284 [2] BRACKET ASSEM.  
  [4] SCREW  
  7F-8508 [4] LOCKWASHER  
  1H-2285 [1] STUD & LEAD ASSEM.  
  3H-8395 [1] RESISTOR  
  4B-2049 [4] NUT  
  [2] WASHER (INSUL.)  
  4B-4274 [2] WASHER (STEEL)  
  3B-4502 [4] LOCKWASHER  
  4B-1235 [2] MACH. SCREW  
  3B-4502 [2] LOCKWASHER  
  3H-8394 [1] STUD & LEAD ASSEM.  
  9B-8916 [2] SCREW  
  7F-8468 [2] LOCKWASHER  
  1H-2270 Y [1] RELAY ASSEM.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  1H-2273 Y [1] RELAY ASSEM.  
    (SEE SEPARATE ILLUS. FOR PARTS)
  [1] SCREW  
  4B-2041 [1] NUT  
  9B-1117 [1] LOCKWASHER  
  7F-3526 [1] SCREW  
  3B-4501 [1] LOCKWASHER  
  [1] PANEL  
  1B-4202 [6] NUT  
  4B-4277 [3] WASHER  
  3B-4505 [6] LOCKWASHER  
  [1] INSULATOR  
  [3] TERMINAL  
  7F-8500 [1] GASKET  
  4B-8979 [3] SCREW  
  3B-4502 [3] LOCKWASHER  
  7F-8501 [1] SCREW  
  3B-4502 [1] LOCKWASHER  
  4B-1238 [1] SCREW  
  [1] WASHER  
  3B-4502 [1] LOCKWASHER  
  7F-8456 [1] COVER ASSEM.  
  [1] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#UE0335830264
 

7M-7792: REGULATOR ASSEMBLY

7M7792 REGULATOR ASSEMBLY--6 Volt, 40 Ampere
Part of 2L6806 Generator Group shown on Page 131B.
Provides field replacement for 9H6316 Regulator shown on Page 145
c123007 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7H-7890 [3] GROMMET  
2. 7H-7889 [3] BUSHING  
3. 6F-6633 [1] NIPPLE  
4. 8M-1547 [1] COVER  
5. 8F-1318 [1] GASKET  
    THE FOLLOWING REPAIR KITS ARE AVAILABLE:
  8M-1649 [1] KIT (Voltage Regulator)  
    (Consists of such parts as Armature Assem. Spring, Coil Assem., Contact Assem., Plates & Hardware)
  8M-1650 [1] KIT (Current Limiter)  
    (Consists of such parts as Armature Assem., Contact Assem., Spring, Plates, & Hardware)
  8M-1651 [1] KIT (Resistor)  
    (Consists of such parts as Plates, Resistors, & Hardware)
  8M-1653 [1] KIT (Cut Out)  
    (Consists of such parts as Armature Assem., Contact Assem., Spring, Plates & Hardware)
 

#UE0335830265
 

RELAY AND ELEMENT ASSEMBLIES

RELAY AND ELEMENT ASSEMBLIES
Part of 3H2273 Regulator shown on Page 147
c37165 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  [1] SPRING  
  [2] INSULATOR  
  [2] INSULATOR  
  2F-5824 [2] SCREW  
  6B-4542 [2] LOCKWASHER  
  [2] WASHER  
  [1] SCREW  
  6B-4542 [1] LOCKWASHER  
  [1] LEAD  
  [1] LEAD  
  4B-2049 [1] NUT  
  3B-4502 [1] LOCKWASHER  
    (PARTS OF ASSEM. 1H2270)
  7F-3526 [1] SCREW  
  3B-4501 [2] LOCKWASHER  
  [2] SCREW  
  3B-4501 [2] LOCKWASHER  
  7F-3529 [2] WASHER  
  3H-8392 [1] COIL ASSEM.  
  1B-4201 [1] NUT  
  1H-3244 [1] LOCKWASHER  
    (PARTS OF ASSEM. 3H8390)
  7F-3526 [1] SCREW  
  3B-4501 [2] LOCKWASHER  
    (PARTS OF ASSEM. 3H8393)
  [2] SCREW  
  9B-1117 [2] LOCKWASHER  
  [2] WASHER  
    (PARTS OF ASSEM. 1H2270)
  [2] SCREW  
  3B-4501 [2] LOCKWASHER  
  [1] INSULATOR  
  7F-8488 [1] WINDING  
  1B-4201 [1] NUT  
  1H-3244 [1] LOCKWASHER  
    (PARTS OF ASSEM. 3H8393)
  [1] SCREW  
  [1] NUT  
  1H-3244 [1] LOCKWASHER  
    (PARTS OF ASSEM. 3H8391)
  [4] SCREW  
  3B-4501 [4] LOCKWASHER  
  7F-3529 [4] WASHER  
  3H-8391 [1] CONTACT ASSEM.  
  1H-2276 [1] BREAKER ASSEM.  
  3H-8498 [1] ARMATURE ASSEM.  
  [1] BRACKET  
  [1] INSULATOR  
  [2] SCREW  
  7F-3529 [2] WASHER  
  3B-4501 [2] LOCKWASHER  
  [1] SPRING  
    (PARTS OF ASSEM. 3H8390)
  4B-1303 [1] SCREW  
  7F-3529 [1] WASHER  
  3B-4501 [1] LOCKWASHER  
    (PARTS OF ASSEM. 3H8390)
  [1] SCREW  
  [1] NUT  
  1H-3244 [1] LOCKWASHER  
    (PARTS OF ASSEM. 3H8391)
  3H-8499 [1] ARMATURE ASSEM.  
  [1] SPRING  
  [2] SCREW  
  3B-4501 [2] LOCKWASHER  
  7F-3529 [2] WASHER  
  [1] BRACKET  
  4B-1303 [1] SCREW  
  3B-4501 [1] LOCKWASHER  
  7F-3529 [1] WASHER  
  [4] SCREW  
  3B-4501 [4] LOCKWASHER  
  7F-3529 [4] WASHER  
  3H-8391 [1] CONTACT ASSEM.  
    (PARTS OF ASSEM. 3H8393)
  [2] SCREW  
  9B-1117 [2] LOCKWASHER  
  [2] WASHER  
  [1] SPRING  
  4B-2049 [1] NUT  
  3B-4502 [1] LOCKWASHER  
    (PARTS OF ASSEM. 1H2273)
 

#UE0335830266
 

4F-0148: REGULATOR

4F148 REGULATOR--12 Volt, 10 Ampere
Part of 2L9397 and 2L6807 Generator Groups shown on Pages 133 and 134
c22739 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-1218 [2] MACHINE SCREW  
  [2] LOCKWASHER  
  [1] RESISTANCE  
  [2] SCREW  
  [2] LOCKWASHER  
  [1] WASHER (INNER)  
  [1] WASHER (OUTER)  
  [1] ARMATURE  
  [2] SCREW  
  [2] LOCKWASHER  
  [2] WASHER  
  [1] LEAD  
  [1] ARMATURE  
  [1] SCREW  
  9B-8910 [1] WASHER  
  [1] COVER  
  [1] SPRING  
  9B-8895 [1] GASKET  
  9B-8916 [3] SCREW  
  [3] LOCKWASHER  
 

#UE0335830267
 

3L-2040: TORQUE CONVERTER FLUID CHARGING GROUP

3L2040 TORQUE CONVERTER FLUID CHARGING GROUP
c77519 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5M-4212 [1] SCREW  
  0L-1146 [1] GASKET  
  2H-9621 [1] FILTER  
  5H-5790 [1] TUBE (24.68" LONG)  
    (3L8813 ADAPTER TO 4L1439 TUBE)
  1F-1344 [2] NUT  
    (PART OF FITTING 3B9000)
  3B-9000 [1] FITTING  
  1H-7922 [2] FITTING  
  1F-1344 [2] NUT  
    (1 IN EACH FITTING 1H7922)
  2H-5832 [2] FERRULE  
    (PART OF ADAPTER ASSEM. 3L8813)
  4B-3408 [1] SPRING  
  4M-9640 [1] PLUG  
  6B-7020 [1] GASKET  
  0S-1614 [1] BOLT  
  3B-4504 [1] LOCKWASHER  
  5B-9628 [3] SPACER  
  3L-8813 [1] ADAPTER ASSEM.  
  3F-6808 [1] DOWEL  
  7H-3171 [1] PLUG  
  5H-8510 [1] BUSHING  
    (PARTS OF ADAPTER ASSEM. 3L8813)
  6B-7526 [1] CLIP  
  5B-0494 [1] GROMMET  
  4B-0479 [1] PLUNGER  
  4L-1439 [1] TUBE (21.36" LONG)  
    (5H5790 TUBE TO CONVERTER COOLER)
 

#UE0335830268
 

8H-2570: TORQUE CONVERTER COOLER GROUP

8H2570 TORQUE CONVERTER COOLER GROUP--Type 1
c48642 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  0S-1590 [7] BOLT  
  3B-4506 [7] LOCKWASHER  
  5H-4176 [1] BRACKET  
  0S-1595 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  0S-1621 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  5H-9524 [1] SEAL  
  1D-4566 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  5H-4164 [1] CORE ASSEM.  
  7B-3235 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
  5H-4165 [1] BONNET  
  5H-4039 [1] GASKET  
  5H-4163 [1] GASKET  
  5H-4162 [1] BRACKET  
  1A-5822 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  3L-2288 [1] BONNET  
  7B-3235 [4] BOLT  
  3B-4508 [4] LOCKWASHER  
  0L-1329 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  2B-7411 [1] PLUG  
  0S-1573 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  5H-4038 [2] GASKET  
 

#UE0335830269
 

8H-2570: TORQUE CONVERTER COOLER GROUP

8H2570 TORQUE CONVERTER COOLER GROUP--TYPE 2
c77521 UE033583
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Parts for your D353C INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5H-4176 [1] BRACKET  
  0S-1595 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  2B-7408 [1] PLUG  
  0S-1621 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  5H-9524 [1] SEAL  
  1D-4566 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  1S-6765 [1] CORE ASSEM.  
  7B-3235 [3] BOLT  
  3B-4508 [3] LOCKWASHER  
  7B-3235 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  2M-5469 [1] BONNET  
  0S-1590 [7] BOLT  
  3B-4506 [7] LOCKWASHER  
  5H-4039 [1] GASKET  
  4M-6806 [1] GASKET  
  5H-4162 [1] BRACKET  
  0V-0375 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  3L-2288 [1] BONNET  
  0S-1587 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  0L-1329 [1] BOLT  
  3B-4508 [1] LOCKWASHER  
  2B-7411 [1] PLUG  
  0S-1573 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
  5H-4038 [2] GASKET  
 

Information:

Engine News
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
Alternator Regulators
D353 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
D353 INDUSTRIAL & MARINE ENGINES
Alternator - Disassemble
30SI Series and 34SI Series Alternator
Alternator - Assemble
30SI Series and 34SI Series Alternator
Service Magazine
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 D353C :

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