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3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 1 of 3--Type 2 Specification No. 34004 Part of 3N5772 Marine Gear Arrangement listed on Page 125 3406


MARINE TRANSMISSION
TRANSMISSION GP-MARINE

MARINE ENGINE 3406 MARINE ENGINE 91U
 3406 MARINE ENGINE 91U00001-00122 UEG0747S 3406 91U   (1975)

MARINE TRANSMISSION

TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
 

#UEG0747S0380
 

3N-4681: TRANSMISSION GP-MARINE

3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 1 of 3--Type 2
Specification No. 34004
Part of 3N5772 Marine Gear Arrangement listed on Page 125
c143282 UEG0747S
3N4681 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9F-2247 [1] PLUG (125" PIPE)  
  5L-3199 [1] SPRING  
  5L-3202 [1] PIN  
  2N-4619 [26] BLOCK  
  6L-6369 [2] PINION (27 TEETH)  
  6L-3621 [1] TUBE ASSEM.  
  6L-3616 [1] FITTING  
  4L-9765 [1] GASKET  
  6L-3618 [1] RETAINER  
  4H-8101 [1] SEAL  
  4L-9797 [1] SPIDER  
  4L-9771 [2] WASHER  
  2L-1701 [1] BOLT  
  4L-9761 [1] GASKET  
  6L-5222 [1] SHAFT  
  6L-5218 [2] KEY  
  6L-2702 [6] BOLT  
  6L-6374 [1] GEAR (42 TEETH)  
  6L-2177 [1] RETAINER  
  1A-2209 [3] BOLT  
  4L-9744 [1] PLATE  
  2L-1740 [1] RING  
  6L-6376 [1] KEY  
  5L-3196 [1] WASHER  
  2K-2711 [1] RACE  
  6L-2319 [1] RACE & ROLLER ASSEM.  
  5L-3201 [1] PIN  
  5L-3199 [1] SPRING  
  9F-2247 [1] PLUG (125 PIPE)  
  6L-4336 [1] PAN  
  6L-6372 [1] GEAR (54 TEETH)  
  2N-9418 [1] BREATHER ASSEM.  
  7L-2175 [1] RING  
  0L-1351 [11] BOLT  
  6L-5208 [1] COVER  
  6L-5209 [1] GASKET  
  4L-9764 [1] GASKET  
  0S-1594 [9] BOLT  
  6L-5219 [2] KEY  
  4M-8610 [2] RING  
  4L-9829 [2] SCREW  
  4L-9769 [1] PLATE  
  4L-9758 [1] RING  
  4H-1641 [4] PIN  
  4L-9779 [32] SPRING  
  4L-9811 [4] SET SCREW  
  4L-9782 [32] SPRING  
  3N-6915 [1] SEAL  
  7L-4090 [1] RING  
  4L-9760 [1] GASKET  
  3N-0710 [1] BEARING ASSEM.  
  4L-9770 [1] WASHER  
  6L-6378 [1] SHAFT  
  4L-9822 [2] SEAL  
  4L-9801 [1] RETAINER  
  0T-0320 [7] BOLT  
  4L-9768 [3] SHIM (.005 in. thick)  
  3N-0709 [1] SHIM (.007 in. thick)  
  1F-6660 [1] NIPPLE  
 

#UEG0747S0381
 

3N-4681: TRANSMISSION GP-MARINE

3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 2 of 3--Type 2
Specification No. 34004
Part of 3N5772 Marine Gear Arrangement listed on Page 125
c217548 UEG0747S
3N4681 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2029 [12] BOLT  
  0L-0364 [12] LOCK  
  0S-1616 [2] BOLT  
  4L-9767 [1] GASKET  
  5L-7722 [2] OUTER RACE AND ROLLER ASSEM.  
  5L-7723 [2] INNER RACE  
  6L-6375 [1] GEAR (42 TEETH)  
  3N-6914 [1] CARRIER  
  2H-6234 [2] RING  
  6L-2701 [4] BOLT  
  6L-6565 [2] RING  
  6L-6377 [1] SHAFT  
  3H-2617 [2] PIN  
  2L-1701 [1] BOLT  
  3N-6911 [1] HOUSING  
  6L-6564 [2] INNER RACE  
  6L-6566 [2] PLATE  
  6L-6563 [2] OUTER RACE AND ROLLER ASSEM.  
  9F-2247 [1] PLUG (125" PIPE)  
  5L-3199 [1] SPRING  
  5L-3197 [1] PIN  
  4L-9772 [2] SPACER  
  0S-1594 [14] BOLT  
  6L-2178 [1] RETAINER  
  4L-9762 [1] GASKET  
  7L-8497 [1] KIT (CLUTCH)  
    (CONSISTS OF ONE HALF PARTS MARKED H-REPAIR OF ONE CLUTCH)
  4L-3220 [2] BEARING  
  3N-6913 [1] HOUSING  
  1T-0143 [2] DOWEL (3749" LONG)  
  4L-9793 [2] DOWEL (4375" LONG)  
  6L-5224 [2] SPIDER  
  7L-7782 [14] PLATE  
  6L-2179 [14] PLATE  
  3N-6915 [1] SEAL  
  7L-8273 H [4] PIN  
  5N-2745 C [2] PLATE  
  8F-8833 C [2] PIN  
  4L-9825 [2] BEARING  
  4L-9754 [1] NUT  
  4L-9757 [1] RING  
  4L-9752 [1] PIN  
  4L-9751 [1] SLEEVE  
  4L-9763 [1] GASKET  
  4L-9783 [2] RING  
  7L-8274 H [2] RETAINER  
  6L-2194 H [2] RING  
  5N-2744 C [2] CARRIER  
  6L-4335 [2] PISTON  
  4L-9820 [2] RING  
  2B-7412 [1] PLUG  
  6L-4329 [1] COVER  
  C   INDICATES CHANGE
 

#UEG0747S0382
 

3N-4681: TRANSMISSION GP-MARINE

3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 3 of 3--Type 2
Specification No. 34004
Part of 3N5772 Marine Gear Arrangement listed on Page 125
4L9753 Pump and 7L7310 Valve parts are shown on Page 179
c205728 UEG0747S
3N4681 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5K-9243 [1] ELBOW  
  2L-5893 [2] PIN (.156 in. diameter)  
  2L-5894 [1] PIN (.094 in. diameter)  
  4L-9567 [1] SPRING  
  [1] PISTON  
    (Parts of 6L3622 Assem.)
  6L-3622 [1] TUBE ASSEM.  
  3H-9675 [1] PIN  
  2L-5895 [1] GASKET  
  3N-9385 C [1] GAUGE ASSEM.  
  7L-7310 Y [1] VALVE ASSEM.  
    (Separate Illustration)
  8B-2664 [1] BUSHING  
  0T-0573 [2] BOLT (2.75 in. long)  
  3N-9384 C [1] TUBE ASSEM.  
  0T-0055 [2] BOLT (4.25 in. long)  
  5L-1990 [1] PLATE (name)  
  4B-4158 [4] SCREW (drive)  
    (NOT SHOWN)
  3B-6554 [1] STREET ELL  
  4L-9753 Y [1] PUMP ASSEM.  
    (Separate Illustration)
  0S-1591 [2] BOLT  
    (Part of 3N4378 Assem.)
  0S-1594 [2] BOLT  
  3N-4378 [1] MANIFOLD ASSEM.  
  7H-3171 [5] PLUG (.25 in. pipe)  
  9F-2247 [1] PLUG (1.25 in. pipe)  
    (Parts of 3N4378 Assem.)
  0S-1594 [2] BOLT  
  0L-0364 [2] LOCK  
  1A-2029 [18] BOLT  
  4L-3191 [1] PLATE  
  0S-1594 [2] BOLT  
  8B-7016 [1] LINK  
  8B-7245 [1] CHAIN  
  6F-5272 [1] CLIP  
  5B-6172 [1] WASHER  
  5L-7820 [2] BOLT  
  2B-7457 [2] PLUG  
    (PART OF 3N4378 ASSEM.)
  0S-1594 [4] BOLT  
  2L-1808 [1] COVER  
  2L-1388 [1] GASKET  
  2B-7457 [1] PLUG  
  4L-9750 [1] COVER  
  0S-1571 [6] BOLT  
  2H-3939 [1] FITTING  
  4L-9748 [1] GASKET  
  4L-9747 [1] ELEMENT  
  6B-9081 [1] BUSHING  
  4L-9746 [1] HOSE  
  3B-8485 [1] FITTING  
  4L-9810 [1] PLATE  
  2L-1701 [3] BOLT  
  6L-6367 [1] FLANGE  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0747S0383
 

3N-4681: TRANSMISSION GP-MARINE

3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 1 of 3--Type 3
Specification No. 34004
Part of 3N5772 Marine Gear Arrangement listed on Page 125
c173640 UEG0747S
3N4681 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9F-2247 [1] PLUG (125" PIPE)  
  5L-3199 [1] SPRING  
  5L-3202 [1] PIN  
  2N-4619 [26] BLOCK  
  6L-6369 [2] PINION (27 TEETH)  
  6L-3621 [1] TUBE ASSEM.  
  6L-3616 [1] FITTING  
  4L-9765 [1] GASKET  
  6L-3618 [1] RETAINER  
  4H-8101 [1] SEAL  
  4L-9797 [1] SPIDER  
  4L-9771 [2] WASHER  
  2L-1701 [1] BOLT  
  4L-9761 [1] GASKET  
  6L-5222 [1] SHAFT  
  6L-5218 [2] KEY  
  5D-0353 C [6] BOLT  
  5N-5881 C [1] GEAR (42 TEETH)  
  5N-5888 C [1] RETAINER GROUP  
  1A-2209 [3] BOLT  
  4L-9744 [1] PLATE  
  2L-1740 [1] RING  
  6L-6376 [1] KEY  
  5L-3196 [1] WASHER  
  2K-2711 [1] RACE  
  6L-2319 [1] RACE & ROLLER ASSEM.  
  5L-3201 [1] PIN  
  5L-3199 [1] SPRING  
  9F-2247 [1] PLUG (.125" pipe)  
  6L-4336 [1] PAN  
  6L-6372 [1] GEAR (54 teeth)  
  2N-9418 [1] BREATHER ASSEM  
  7L-2175 [1] RING  
  0L-1351 [11] BOLT  
  6L-5208 [1] COVER  
  6L-5209 [1] GASKET  
  4L-9764 [1] GASKET  
  0S-1594 [9] BOLT  
  6L-5219 [2] KEY  
  4M-8610 [2] RING  
  4L-9829 [2] SCREW  
  4L-9769 [1] PLATE  
  4L-9758 [1] RING  
  4H-1641 [4] PIN  
  4L-9779 [32] SPRING  
  4L-9811 [4] SET SCREW  
  4L-9782 [32] SPRING  
  3N-6915 [1] SEAL  
  7L-4090 [1] RING  
  4L-9760 [1] GASKET  
  3N-0710 [1] BEARING ASSEM  
  4L-9770 [1] WASHER  
  6L-6378 [1] SHAFT  
  4L-9822 [2] SEAL  
  4L-9801 [1] RETAINER  
  0T-0320 [7] BOLT  
  4L-9768 [3] SHIM (.005 in. thick)  
  3N-0709 [1] SHIM (.007 in. thick)  
  1F-6660 [1] NIPPLE  
  C   INDICATES CHANGE
 

#UEG0747S0384
 

3N-4681: TRANSMISSION GP-MARINE

3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 2 of 3--Type 3
Specification No. 34004
Part of 3N5772 Marine Gear Arrangement listed on Page 125
c173641 UEG0747S
3N4681 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5D-0353 [6] BOLT  
    (Part of 5N5889 Group)
  0S-1616 [2] BOLT  
  4L-9767 [1] GASKET  
  5L-7722 [2] OUTER RACE AND ROLLER ASSEM.  
  5L-7723 [2] INNER RACE  
  5N-5881 C [1] GEAR (42 teeth)  
  3N-6914 [1] CARRIER  
  2H-6234 [2] RING  
  2J-3118 C [4] BOLT  
  6L-6565 [2] RING  
  6L-6377 [1] SHAFT  
  3H-2617 [2] PIN  
  2L-1701 [1] BOLT  
  3N-6911 [1] HOUSING  
  6L-6564 [2] INNER RACE  
  6L-6566 [2] PLATE  
  6L-6563 [2] OUTER RACE AND ROLLER ASSEM.  
  9F-2247 [1] PLUG (.125" PIPE)  
  5L-3199 [1] SPRING  
  5L-3197 [1] PIN  
  4L-9772 [2] SPACER  
  0S-1594 [14] BOLT  
  5N-5889 C [1] RETAINER GROUP  
  4L-9762 [1] GASKET  
  7L-8497 [1] KIT (CLUTCH)  
    (CONSISTS OF ONE HALF PARTS MARKED H-REPAIR OF ONE CLUTCH)
  4L-3220 [2] BEARING  
  3N-6913 [1] HOUSING  
  1T-0143 [2] DOWEL (.3749" long)  
  4L-9793 [2] DOWEL (.4375" long)  
  6L-5224 [2] SPIDER  
  7L-7782 [14] PLATE  
  6L-2179 [14] PLATE  
  3N-6915 [1] SEAL  
  7L-8273 A [4] PIN  
  5N-2745 C [2] PLATE  
  8F-8833 C [2] PIN  
  4L-9825 [2] BEARING  
  4L-9754 [1] NUT  
  4L-9757 [1] RING  
  4L-9752 [1] PIN  
  4L-9751 [1] SLEEVE  
  4L-9763 [1] GASKET  
  4L-9783 [2] RING  
  7L-8274 A [2] RETAINER  
  6L-2194 A [2] RING  
  5N-2744 C [2] CARRIER  
  6L-4335 [2] PISTON  
  4L-9820 [2] RING  
  2B-7412 [1] PLUG  
  6L-4329 [1] COVER  
  C   INDICATES CHANGE
 

#UEG0747S0385
 

3N-4681: TRANSMISSION GP-MARINE

3N4681 MARINE GEAR GROUP--2.00:1 Ratio--Part 3 of 3--Type 3
Specification No. 34004
Part of 3N5772 Marine Gear Arrangement listed on Page 125
4L9753 Pump and 7L7310 Valve parts are shown on Page 179
c173642 UEG0747S
3N4681 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5K-9243 [1] ELBOW  
  2L-5893 [2] PIN (.156 in. diameter)  
  2L-5894 [1] PIN (.094 in. diameter)  
  4L-9567 [1] SPRING  
  [1] PISTON  
    (Parts of 6L3622 Assem.)
  6L-3622 [1] TUBE ASSEM.  
  3H-9675 [1] PIN  
  2L-5895 [1] GASKET  
  3N-9385 [1] GAUGE ASSEM.  
  7L-7310 Y [1] VALVE ASSEM.  
    (Separate Illustration)
  8B-2664 [1] BUSHING  
  0T-0573 [2] BOLT (2.75 in. long)  
  3N-9384 [1] TUBE ASSEM.  
  0T-0055 [2] BOLT (4.25 in. long)  
  5L-1990 [1] PLATE (name)  
  4B-4158 [4] SCREW (drive)  
    (NOT SHOWN)
  3B-6554 [1] STREET ELL  
  4L-9753 Y [1] PUMP ASSEM.  
    (Separate Illustration)
  0S-1591 [2] BOLT  
    (Part of 3N4378 Assem.)
  0S-1594 [2] BOLT  
  3N-4378 [1] MANIFOLD ASSEM.  
  [5] PLUG (.25 in. pipe)  
  9F-2247 [1] PLUG (1.25 in. pipe)  
    (Parts of 3N4378 Assem.)
  0S-1594 [2] BOLT  
  0L-0364 [2] LOCK  
  1A-2029 [18] BOLT  
  4L-3191 [1] PLATE  
  0S-1594 [2] BOLT  
  8B-7016 [1] LINK  
  8B-7245 [1] CHAIN  
  6F-5272 [1] CLIP  
  5B-6172 [1] WASHER  
  5L-7820 [2] BOLT  
  2B-7457 [2] PLUG  
    (Part of 3N4378 Assem.)
  0S-1594 [4] BOLT  
  2L-1808 [1] COVER  
  2L-1388 [1] GASKET  
  2B-7457 [1] PLUG  
  4L-9750 [1] COVER  
  0S-1571 [6] BOLT  
  2H-3939 [1] FITTING  
  4L-9748 [1] GASKET  
  4L-9747 [1] ELEMENT  
  6B-9081 [1] BUSHING  
  4L-9746 [1] HOSE  
  3B-8485 [1] FITTING  
  4L-9810 [1] PLATE  
  2L-1701 [3] BOLT  
  6L-6367 [1] FLANGE  
  Y   SEPARATE ILLUSTRATION
 

#UEG0747S0386
 

3N-4682: TRANSMISSION GP-MARINE

3N4682 MARINE GEAR GROUP--2.95:1 Ratio--Part 1 of 3--Type 1
Specification No. 34014
Part of 3N5773 Marine Gear Arrangement listed on Page 125
c143285 UEG0747S
3N4682 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9F-2247 [1] PLUG (.125" Pipe)  
  5L-3199 [1] SPRING  
  5L-3202 [1] PIN  
  2N-4619 [26] BLOCK  
  6L-6370 [2] PINION (20 Teeth)  
  6L-3621 [1] TUBE ASSEM.  
  6L-3616 [1] FITTING  
  4L-9765 [1] GASKET  
  6L-3618 [1] RETAINER  
  4H-8101 [1] SEAL  
  4L-9797 [1] SPIDER  
  4L-9771 [2] WASHER  
  2L-1701 [1] BOLT  
  4L-9761 [1] SEAL  
  6L-5222 [1] SHAFT  
  6L-5218 [2] KEY  
  6L-2702 [6] BOLT  
  6L-6374 [1] GEAR (42 teeth)  
  6L-2177 [1] RETAINER  
  2K-2711 [1] INNER RACE  
  1A-2209 [3] BOLT  
  4L-9744 [1] PLATE (Lock)  
  6L-6376 [1] KEY  
  5L-3196 [1] WASHER  
  6L-2319 [1] OUTER RACE AND ROLLER ASSEM.  
  5L-3201 [1] PIN  
  5L-3199 [1] SPRING  
  9F-2247 [1] PLUG (.125 in. long)  
  6L-4336 [1] PAN  
  6L-6373 [1] GEAR (59 teeth)  
  2N-9418 [1] BREATHER ASSEM.  
  7L-2175 [1] RING  
  0L-1351 [11] BOLT  
  6L-5208 [1] COVER  
  6L-5209 [1] GASKET  
  4L-9764 [1] GASKET  
  0S-1594 [9] BOLT  
  6L-5219 [2] KEY  
  4M-8610 [2] RING  
  4L-9829 [2] SCREW  
  4L-9769 [1] PLATE  
  4L-9758 [1] RING  
  4H-1641 [4] PIN  
  4L-9779 [32] SPRING (Outer)  
  4L-9811 [4] SET SCREW  
  4L-9782 [32] SPRING (Inner)  
  3N-6915 [1] SEAL  
  7L-4090 [1] RING  
  4L-9760 [1] SEAL  
  3N-0710 [1] BEARING ASSEM.  
  4L-9770 [1] WASHER  
  6L-6378 [1] SHAFT  
  4L-9822 [2] SEAL  
  4L-9801 [1] RETAINER  
  0T-0320 [7] BOLT  
  4L-9768 [3] SHIM (.005 in. thick)  
  3N-0709 [1] SHIM (.007 in. thick)  
  1F-6660 [1] NIPPLE  
 

#UEG0747S0387
 

3N-4682: TRANSMISSION GP-MARINE

3N4682 MARINE GEAR GROUP--2.95:1 Ratio--Part 2 of 3--Type 1
Specification No. 34014
Part of 3N5773 Marine Gear Arrangement listed on Page 125
c143286 UEG0747S
3N4682 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1A-2029 [12] BOLT  
  0L-0364 [12] LOCK  
  0S-1616 [2] BOLT  
  4L-9767 [1] GASKET  
  5L-7722 [2] OUTER RACE AND ROLLER ASSEM.  
  2L-1740 [1] RING  
  5L-7723 [2] INNER RACE  
  6L-6375 [1] GEAR (42 Teeth)  
  3N-6914 [1] CARRIER  
  2H-6234 [2] RING  
  6L-2701 [4] BOLT  
  6L-6565 [2] RING  
  6L-6377 [1] SHAFT  
  3H-2617 [2] PIN  
  2L-1701 [1] BOLT  
  3N-6911 [1] HOUSING  
  6L-6564 [2] INNER RACE  
  6L-6566 [2] PLATE  
  6L-6563 [2] OUTER RACE AND ROLLER ASSEM.  
  9F-2247 [1] PLUG (.125" Pipe)  
  5L-3199 [1] SPRING  
  5L-3197 [1] PIN  
  4L-9772 [2] SPACER  
  0S-1594 [14] BOLT  
  6L-2178 [1] RETAINER  
  4L-9762 [1] GASKET  
  7L-8497 H [1] KIT (Clutch)  
    (Consists of one half of parts marked H-for repair of one clutch)
  4L-3220 [2] BEARING  
  3N-6913 [1] HOUSING  
  1T-0143 [2] DOWEL (.3749 in. long)  
  4L-9793 [2] DOWEL (.4375 in. long)  
  6L-5224 [2] SPIDER  
  7L-7782 [14] PLATE  
  6L-2179 [14] PLATE  
  3N-6915 [1] SEAL  
  7L-8273 H [4] PIN  
  6L-5220 [2] PLATE  
  4L-9825 [2] BEARING  
  4L-9754 [1] NUT  
  4L-9757 [1] RING  
  4L-9752 [1] PIN  
  4L-9751 [1] SLEEVE  
  4L-9763 [1] GASKET  
  4L-9783 [2] RING  
  7L-8274 H [2] RETAINER  
  6L-2194 H [2] RING  
  6L-5213 [2] CARRIER  
  6L-4335 [2] PISTON  
  4L-9820 [2] RING  
  2B-7412 [1] PLUG  
  6L-4329 [1] COVER  
 

#UEG0747S0388
 

3N-4682: TRANSMISSION GP-MARINE

3N4682 MARINE GEAR GROUP--2.95:1 Ratio--Part 3 of 3--Type 1
Specification No. 34014
Part of 3N5773 Marine Gear Arrangement listed on Page 125
4L9753 Pump and 7L7310 Valve parts are shown on Page 179
c143287 UEG0747S
3N4682 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  5K-9243 [1] ELBOW  
  2L-5893 [2] PIN (.156" Diameter)  
  2L-5894 [1] PIN (.094" Diameter)  
  4L-9567 [1] SPRING  
  [1] PISTON  
    (Parts of Tube Assem. 6L3622)
  6L-3622 [1] TUBE ASSEM.  
  3H-9675 [1] PIN  
  2L-5895 [1] GASKET  
  6L-4331 [1] GAUGE ASSEM.  
  2L-3287 [1] TUBE  
  0T-0573 [2] BOLT (2.75" Long)  
  7L-7310 Y [1] VALVE ASSEM.  
    (Separate Illustration)
  8B-2664 [1] BUSHING  
  0T-0055 [2] BOLT (4.25" Long)  
  3B-6554 [1] STREET ELL  
  5L-1990 [1] PLATE (Name)  
  4B-4158 [4] SCREW (Drive)  
    (Not Shown)
  4L-9753 Y [1] PUMP ASSEM.  
    (Separate Illustration)
  0S-1591 [2] BOLT  
    (Part of 3N4378 Assem.)
  0S-1594 [2] BOLT  
  3N-4378 [1] MANIFOLD ASSEM.  
  7H-3171 [5] PLUG (.25 in. long)  
  9F-2247 [1] PLUG (.125 in. long)  
    (Parts of 3N4378 Assem.)
  0S-1594 [2] BOLT  
  0L-0364 [2] LOCK  
  1A-2029 [18] BOLT  
  4L-3191 [1] PLATE  
  0S-1594 [2] BOLT  
  8B-7016 [1] LINK  
  8B-7245 [1] CHAIN  
  6F-5272 [1] CLIP  
  5B-6172 [1] WASHER  
  5L-7820 [2] BOLT  
  2B-7457 [2] PLUG  
    (Part of 3N4378 Assem.)
  0S-1594 [4] BOLT  
  2L-1808 [1] COVER  
  2L-1388 [1] GASKET  
  2B-7457 [1] PLUG  
  4L-9750 [1] COVER  
  0S-1571 [6] BOLT  
  2H-3939 [1] FITTING  
  4L-9748 [1] GASKET  
  4L-9747 [1] ELEMENT ASSEM.  
  6B-9081 [1] BUSHING  
  4L-9746 [1] HOSE  
  3B-8485 [1] FITTING  
  4L-9810 [1] PLATE (Lock)  
  2L-1701 [3] BOLT  
  6L-6367 [1] FLANGE  
  Y   SEPARATE ILLUSTRATION
 

#UEG0747S0389
 

3N-4682: TRANSMISSION GP-MARINE

3N4682 MARINE GEAR GROUP--2.95:1 Ratio--Part 1 of 3--Type 2
Specification No. 34014
Part of 3N5773 Marine Gear Arrangement listed on Page 125
c143285 UEG0747S
3N4682 TRANSMISSION GP-MARINE Parts scheme
  For full view, you need register

Parts for your 3406 MARINE ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  9F-2247 [1] PLUG (.125" Pipe)  
  5L-3199 [1] SPRING  
  5L-3202 [1] PIN  
  2N-4619 [26] BLOCK  
  6L-6370 [2] PINION (20 Teeth)  
  6L-3621 [1] TUBE ASSEM.  
  6L-3616 [1] FITTING  
  4L-9765 [1] GASKET  
  6L-3618 [1] RETAINER  
  4H-8101 [1] SEAL  
  4L-9797 [1] SPIDER  
  4L-9771 [2] WASHER  
  2L-1701 [1] BOLT  
  4L-9761 [1] SEAL  
  6L-5222 [1] SHAFT  
  6L-5218 [2] KEY  
  6L-2702 [6] BOLT  
  6L-6374 [1] GEAR (42 teeth)  
  6L-2177 [1] RETAINER  
  2K-2711 [1] INNER RACE  
  1A-2209 [3] BOLT  
  4L-9744 [1] PLATE (Lock)  
  6L-6376 [1] KEY  
  5L-3196 [1] WASHER  
  6L-2319 [1] OUTER RACE AND ROLLER ASSEM.  
  5L-3201 [1] PIN  
  5L-3199 [1] SPRING  
  9F-2247 [1] PLUG (.125 in. long)  
  6L-4336 [1] PAN  
  6L-6373 [1] GEAR (59 teeth)  
  2N-9418 [1] BREATHER ASSEM.  
  7L-2175 [1] RING  
  0L-1351 [11] BOLT  
  6L-5208 [1] COVER  
  6L-5209 [1] GASKET  
  4L-9764 [1] GASKET  
  0S-1594 [9] BOLT  
  6L-5219 [2] KEY  
  4M-8610 [2] RING  
  4L-9829 [2] SCREW  
  4L-9769 [1] PLATE  
  4L-9758 [1] RING  
  4H-1641 [4] PIN  
  4L-9779 [32] SPRING (Outer)  
  4L-9811 [4] SET SCREW  
  4L-9782 [32] SPRING (Inner)  
  3N-6915 [1] SEAL  
  7L-4090 [1] RING  
  4L-9760 [1] SEAL  
  3N-0710 [1] BEARING ASSEM.  
  4L-9770 [1] WASHER  
  6L-6378 [1] SHAFT  
  4L-9822 [2] SEAL  
  4L-9801 [1] RETAINER  
  0T-0320 [7] BOLT  
  4L-9768 [3] SHIM (.005 in. thick)  
  3N-0709 [1] SHIM (.007 in. thick)  
  1F-6660 [1] NIPPLE  
 

Information:

Engine News
New Hose Assembly Will Give Longer Service Life With High Oil Temperatures
1979/05/23
New Housing Assembly, Front Housing And Carrier Used In 8L4230 And 8L4231 Marine Gear Groups (Twin Disc MG509)
1983/08/17
2N4620 Rubber Drive Block Reinstated For Parts Service
1990/03/01
Special Instruction
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Alignment Of Caterpillar Marine Transmissions And Marine Engines{1000, 3300}
Sea Trial Measurements On Caterpillar Marine Engines{1000, 3300}
Sea Trial Measurements On Caterpillar Marine Engines{1000, 3300}
Disassembly and Assembly
Marine Gear Oil Cooler Core
3406 INDUSTRIAL & MARINE ENGINES
Marine Gear Oil Cooler
3406 INDUSTRIAL & MARINE ENGINES
Service Magazine
New Housing Assembly, Front Housing And Carrier Used In 8L4230 And 8L4231 Marine Gear Groups (Twin Disc MG509){3300}
1983/08/08
Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25
New Oil Pressure Gauge Available For Marine Transmissions Used On D348, D349, D353, D379, D398, D399, 3406 And 3408 Marine Engines{7457,3300}
1978/04/24
New Springs Available For Forward And Reverse Clutches, And New Tool To Correctly Position The Clutches Of Twin Disc MG514 Marine Transmission{3302,0626}
1978/09/25
New Hose Assembly Will Give Longer Service Life With High Oil Temperatures{3314}
1979/05/07
New "L-Shaped" Clutch Plates Now Used{3302}
1979/06/04

Caterpillar Parts SIS Catalog 3406 :

TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4680 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4680 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4680 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4680 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4680 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4681 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4682 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4682 TRANSMISSION GP-MARINE
TRANSMISSION GP-MARINE
3N-4682 TRANSMISSION GP-MARINE

Truck sale:

Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
45.000 
Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
MACALLISTER MACHINERY CO., INC
 
32.000 
Caterpillar 3406-365, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
- Stationary Generator Sets
FINNING CHILE S.A.
 
41.565 
Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung


 
55.000 
Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung


Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung
45.000 
Caterpillar 3406, Stationäre Stromaggregate, Bau-Und Bergbauausrüstung


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