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2N6961 CLUTCH ASSEMBLY--Type 2 Specification No. 35281 Part of 6L8549 Power Take-Off Group shown on Page 126A D379A


BASIC ENGINE
POWER TAKE-OFF GP
FUEL SYSTEM
CONTROL GP-GOVERNOR
MARINE TRANSMISSION
TRANSMISSION GP-MARINE
ENCLOSURES, GUARDS AND BASES
RAIL GP
BASIC ENGINE
FLYWHEEL GP
LUBRICATION SYSTEM
PUMP GP-SUMP
FUEL SYSTEM
CONTROL GP-GOVERNOR

MARINE ENGINE D379A MARINE ENGINE 69B
 D379B MARINE ENGINE 69B00824-01226 UEG0046S D379A 69B   (1961)

BASIC ENGINE

POWER TAKE-OFF GP
POWER TAKE-OFF GP-FRONT
6L-8549 POWER TAKE-OFF GP-FRONT
FRONT POWER TAKE-OFF GROUP
6L-4053 FRONT POWER TAKE-OFF GROUP
POWER TAKE-OFF GP-FRONT
6L-8549 POWER TAKE-OFF GP-FRONT
POWER TAKE-OFF GP-FRONT
6L-8549 POWER TAKE-OFF GP-FRONT
REDUCTION GEAR ASSEMBLY
3L-2981 REDUCTION GEAR ASSEMBLY
REDUCTION GEAR ASSEMBLY
3L-2981 REDUCTION GEAR ASSEMBLY
CLUTCH ASSEMBLY
2R-6853 CLUTCH ASSEMBLY
CLUTCH GP
2N-6961 CLUTCH GP
CLUTCH GP
2N-6961 CLUTCH GP
 

#UEG0046S0390
 

2N-6961: CLUTCH GP

2N6961 CLUTCH ASSEMBLY--Type 2
Specification No. 35281
Part of 6L8549 Power Take-Off Group shown on Page 126A
c151322 UEG0046S
2N6961 CLUTCH GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4B-4810 [1] LEVER ASSEM.  
  0S-1587 [1] BOLT  
    (Part of 4B4810 Assem.)
  4B-4721 [8] LINK  
  6L-3967 [8] PIN  
  6L-3964 [8] COTTER PIN  
  6L-3972 [4] PIN  
  6L-3961 [4] COTTER PIN  
  1L-4863 [8] WASHER  
  4H-0002 [4] LEVER  
  8B-7987 [1] KEY  
  3H-9574 [1] SLEEVE  
  3H-9572 [1] RING  
  5L-9653 [1] NUT  
  5L-9654 [1] LOCK  
  5L-9652 [1] HUB  
  3H-9571 [1] PLATE  
  3N-8124 [1] SPRING  
  3N-8123 [1] PIN  
    (Parts of 3N8125 Assem.)
  3N-8125 C [1] PLATE ASSEM.  
  6L-4750 [2] PLATE ASSEM.  
  4H-0014 [1] RING  
  8B-7121 [2] FITTING  
  1L-6931 [4] SCREW ASSEM.  
  4L-2849 [1] PLATE  
  3B-8489 [1] FITTING  
  9S-1354 [1] NUT  
  6F-0253 [1] LOCKWASHER  
  5B-2410 [1] HOSE ASSEM.  
  3B-8489 [1] FITTING  
  0S-1617 [1] BOLT  
  3F-9556 [1] LOCKWASHER  
  5B-2407 [1] LOCK  
  7F-8896 [1] KEY  
  0L-0639 [2] BOLT  
  2L-6267 [2] NUT  
  4B-4758 [2] SHIM  
    (PARTS OF COLLAR ASSEM 4B4716)
  3B-8490 [1] FITTING  
  4B-4716 [1] COLLAR ASSEM.  
  2B-4602 [1] PLUG  
  5L-9553 [1] SHAFT  
  6B-3223 [2] CUP  
  4B-7270 [2] CONE  
  5L-9655 [1] RETAINER  
  7F-8916 [1] CARRIER  
  1A-1460 [6] BOLT  
  3B-4508 [6] LOCKWASHER  
  6L-5151 [2] KEY  
  4B-4754 [1] SHAFT  
  4B-4792 [1] YOKE ASSEM.  
  0S-1591 [2] BOLT  
  3B-4506 [2] LOCKWASHER  
    (Parts of 4B4792 Assem.)
  7F-8897 [1] PLATE  
  C   INDICATES CHANGE
 

#UEG0046S0391
 

3N-9283: MOUNTING GP-ACTUATOR

3N9283 ACTUATOR MOUNTING GROUP
FOR USE WITH 7241 MARINE GEAR SERIAL NO. 39E298-Up
c156231 UEG0046S
3N9283 MOUNTING GP-ACTUATOR Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3N-9535 [2] SPACER  
2. 9H-8260 [2] BOLT  
3. 3B-4508 [4] LOCKWASHER  
4. 3N-8819 [1] BRACKET  
5. 3N-8841 [1] BRACKET ASSEM.  
6. 4B-4278 [1] WASHER  
  3B-4617 [1] COTTER PIN  
7. 7M-2836 [1] BOLT  
  4B-4279 [1] WASHER  
8. 1D-4717 [3] NUT  
  3B-4506 [3] LOCKWASHER  
9. 1D-4566 [2] BOLT  
10. 8K-5858 [2] SPACER  
11. 0S-1588 [2] BOLT  
 

#UEG0046S0392
 

2N-9826: CONVERSION ARRANGEMENT

2N9826 CONVERSION ARRANGEMENT--Marine Gear
FOR USE WITH 7241 MARINE GEAR
UEG0046S0392 UEG0046S
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  Y [1] FLYWHEEL GROUP  
  Y [1] SUMP PUMP GROUP  
    - or -
  3N-2643 Y [1] SUMP PUMP GROUP  
  2N-9311 Y [1] RAILS GROUP  
  3N-2009 Y [1] SUMP CONNECTIONS GROUP  
  Y   SEPARATE ILLUSTRATION
 

#UEG0046S0393
 

2N-9311: RAILS GP

2N9311 ENGINE SUPPORT RAILS GROUP
Part of 2N9826 Conversion Arrangement
Note: Quantities shown are those required for both R.H.
and L.H. sides. Only separate parts serviced
c135884 UEG0046S
2N9311 RAILS GP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  4L-6665 [4] SET SCREW  
  1B-4209 [4] NUT  
  2N-9302 [1] SUPPORT ASSEM.  
    (Right Hand)
  2N-9303 [1] SUPPORT ASSEM.  
    (Left Hand)
  1A-8063 [10] BOLT  
  3B-4512 [10] LOCKWASHER  
  0L-1178 [16] BOLT  
  3B-4512 [16] LOCKWASHER  
 

#UEG0046S0394
 

2N-4039: FLYWHEEL GROUP

2N4039 FLYWHEEL GROUP--Type 1
Part of 2N9826 Conversion Arrangement listed on Page 128B
Only separate parts serviced
c135883 UEG0046S
2N4039 FLYWHEEL GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-6745 [1] POINTER  
2. 2N-3971 [1] FLYWHEEL ASSEM.  
3. 1N-5742 [1] GEAR (183 Teeth)  
4. 1D-5873 [10] BOLT  
  4L-7870 [5] LOCK  
 

#UEG0046S0395
 

2N-4039: FLYWHEEL GROUP

2N4039 FLYWHEEL GROUP--Type 2
Part of 2N9826 Conversion Arrangement listed on Page 128B
Only separate parts serviced
c138274 UEG0046S
2N4039 FLYWHEEL GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5L-6745 [1] POINTER  
2. 2N-3971 [1] FLYWHEEL ASSEM.  
3. 1N-5742 [1] GEAR (183 Teeth)  
4. 0S-1596 C [10] BOLT  
  4M-6953 C [10] WASHER  
  C   INDICATES CHANGE
 

#UEG0046S0396
 

2N-5056: OIL SUMP PUMP GROUP

2N5056 OIL SUMP PUMP GROUP
Serial No. 69B824 to 69B1158 inclusive
Part of 2N9826 Conversion Arrangement listed on Page 128B
4L8232 Pump parts are shown on Page 48. Only separate parts serviced
c111852 UEG0046S
2N5056 OIL SUMP PUMP GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-0247 H HOSE 19.250"  
2. 1S-0036 [4] COUPLING  
3. 5F-6371 [2] UNION  
4. 9B-4202 [2] COCK  
5. 1A-2209 [4] BOLT  
  1B-4203 [4] NUT  
  3B-4506 [4] LOCKWASHER  
6. 4L-8232 Y [1] PUMP ASSEM.  
    (See Separate Illustration)
7. 1B-5174 [1] PLUG  
8. 6L-4590 [1] LEVER  
9. 4B-3574 [1] SETSCREW  
10. 6B-8128 [1] NIPPLE  
11. 3B-7270 [2] NIPPLE  
12. 3B-6554 [2] ELBOW  
13. 9S-0247 H HOSE 69.062"  
14. 0S-1621 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
15. 6F-0496 [1] TEE  
16. 5L-3578 [1] BRACKET  
17. 3B-6555 [1] ELBOW  
18. 6B-9081 [1] BUSHING  
  H   ORDER BY THE INCH
  Y   SEPARATE ILLUSTRATION
 

#UEG0046S0397
 

3N-2643: OIL SUMP PUMP GROUP

3N2643 OIL SUMP PUMP GROUP
Serial No. 69B1159-Up
Part of 2N9826 Conversion Arrangement listed on Page 128B. 2N8908 Pump parts are shown on Page 49B
c138677 UEG0046S
3N2643 OIL SUMP PUMP GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-8908 Y [1] PUMP ASSEM.  
    (Separate Illustration)
2. 2N-9335 [1] BRACKET ASSEM.  
3. 9B-4202 [2] COCK  
4. 5F-6371 [2] UNION  
5. 1S-0036 [4] COUPLING  
6. 9S-0247 CH HOSE 62"  
7. 3B-6554 [2] ELBOW  
8. 3B-6555 [1] ELBOW  
9. 6B-9081 [1] BUSHING  
10. 9S-0247 H HOSE 19.25"  
11. 0S-1621 [2] BOLT  
  3B-4508 [2] LOCKWASHER  
12. 3B-7270 [2] NIPPLE  
13. 1L-8444 [1] TEE  
14. 1B-5174 [1] PLUG  
15. 3B-7732 C [2] ELBOW  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
  H   ORDER BY THE INCH
 

#UEG0046S0398
 

3N-2009: SUMP CONNECTIONS GROUP

3N2009 SUMP CONNECTIONS GROUP
Serial No. 69B1117-Up
Part of 2N9826 Conversion Arrangement listed on Page 128B
1N9924 Valve parts are shown on Page 49B
Only separate parts serviced
c135882 UEG0046S
3N2009 SUMP CONNECTIONS GROUP Parts scheme
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-6554 [1] ELBOW  
2. 1S-0036 [2] COUPLING  
3. 9B-1008 [1] VALVE  
4. 1N-9924 Y [1] VALVE ASSEM.  
    (See Separate Illustration)
5. 3B-7280 [1] NIPPLE  
6. 3B-0551 [1] PLUG  
7. 6B-9081 [1] BUSHING  
8. 5F-6371 [1] UNION  
9. 1L-8181 [2] CLIP  
10. 2S-6668 HOSE 76"  
    (For Use With R.H. Mounting)
    -OR-
  2S-6668 HOSE 132"  
    (For Use With L.H. Mounting)
  Y   SEPARATE ILLUSTRATION
 

#UEG0046S0399
 

2N-2953: SINGLE LEVER GOVERNOR CONTROL ARRANGEMENT

2N2953 SINGLE LEVER GOVERNOR CONTROL ARRANGEMENT
FOR USE WITH 3192 OR 7251 MARINE GEARS
UEG0046S0399 UEG0046S
  For full view, you need register

Parts for your D379A MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8L-4445 Y [1] GOVERNOR CONTROL GROUP  
  3L-3901 [2] TERMINAL BLOCK  
  4L-0911 [1] CONTROL UNIT  
  4L-6461 [1] GEAR UNIT ASSEMBLY  
  4L-6632 [1] LEVER ASSEMBLY  
  6L-2221 [1] MOUNTING ASSEMBLY  
  6L-2222 [1] CABLE 15 FOOT  
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog D379A :

CLUTCH GP
2N-6961 CLUTCH GP
CLUTCH ASSEMBLY
2R-6853 CLUTCH ASSEMBLY
REDUCTION GEAR ASSEMBLY
3L-2981 REDUCTION GEAR ASSEMBLY
REDUCTION GEAR ASSEMBLY
3L-2981 REDUCTION GEAR ASSEMBLY
POWER TAKE-OFF GP-FRONT
6L-8549 POWER TAKE-OFF GP-FRONT
HYDRAULIC PUMP DRIVE MOUNTING GROUP
3N-5851 HYDRAULIC PUMP DRIVE MOUNTING GROUP
POWER TAKE-OFF GP-FRONT
6L-8549 POWER TAKE-OFF GP-FRONT
FRONT POWER TAKE-OFF GROUP
6L-4053 FRONT POWER TAKE-OFF GROUP
MOUNTING GP-ACTUATOR
3N-9283 MOUNTING GP-ACTUATOR
2N-9826 CONVERSION ARRANGEMENT
RAILS GP
2N-9311 RAILS GP
FLYWHEEL GROUP
2N-4039 FLYWHEEL GROUP
FLYWHEEL GROUP
2N-4039 FLYWHEEL GROUP
OIL SUMP PUMP GROUP
2N-5056 OIL SUMP PUMP GROUP
OIL SUMP PUMP GROUP
3N-2643 OIL SUMP PUMP GROUP
SUMP CONNECTIONS GROUP
3N-2009 SUMP CONNECTIONS GROUP

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