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8L5226 BALANCER GROUP Serial No. 4B7794 to 4B7953 inclusive. Part of 4N4207 Engine Arrangement listed on Page 12. 3304




BASIC ENGINE

BALANCER GP
 

#UEG0882S0030
 

8L-5226: BALANCER GROUP

8L5226 BALANCER GROUP
Serial No. 4B7794 to 4B7953 inclusive. Part of 4N4207 Engine Arrangement
listed on Page 12.
c107689 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1N-8354 [2] LOCK  
  0S-1594 [4] BOLT  
  8S-0745 [1] SHAFT  
    (RIGHT HAND-20 TEETH)
  8S-0746 [1] SHAFT  
    (LEFT HAND-20 TEETH)
  4S-6417 [2] PLATE  
 

#UEG0882S0031
 

3N-2920: CYLINDER HEAD FASTENER GROUP

3N2920 CYLINDER HEAD FASTENER GROUP
Part of 4N4207 Engine Arrangement listed on Page 12
c117720 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. [5] BOLT (4.75 in. Long)  
  [5] WASHER  
2. [4] BOLT (8 in. Long)  
3. [18] WASHER  
4. [12] BOLT (6 in. Long)  
5. [2] BOLT (6.75 in. Long)  
 

#UEG0882S0032
 

5S-6425: BALANCER GP

5S6425 BALANCER GROUP
Serial No. 4B7954-Up. Part of 4N4207 Engine Arrangement listed on Page 12
c152074 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  1N-8354 [ 2] LOCK  
  0S-1594 [ 4] BOLT  
  4N-7977 [ 1] SHAFT ASSEM. (R. H. - 20 Teeth)  
  4N-7978 [ 1] SHAFT ASSEM. (L. H. - 20 Teeth)  
  4S-6417 [ 2] PLATE  
 

#UEG0882S0033
 

2P-6544: FASTENER GP-CYLINDER HEAD

2P6544 CYLINDER HEAD FASTENER GROUP
Part of 4N4207 & 6N1308 Engine Arrangements listed on Pages 12 & 14A
c222879 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-5183 [5] BOLT (3/8-16X4.75IN)  
  5B-3850 [5] WASHER  
    -OR-
  1A-5964 C [5] BOLT (3/8-16X4.5IN)  
2. 1B-7709 [4] BOLT (5/8-11X8IN)  
3. 2S-0736 [18] WASHER-HARD  
4. 1D-4595 [14] BOLT (5/8-11X6IN)  
  C   CHANGE FROM PREVIOUS TYPE
 

#UEG0882S0034
 

3N-4054: CYLINDER HEAD GP

3N4054 CYLINDER HEAD GROUP
Serial No. 4B7794 to 4B12801 inclusive
Part of 4N4207 Engine Arrangement listed on Page 12
4N7444 Cylinder Head parts are shown on Page 24B
c203182 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-5874 C [8] ROTOCOIL ASSEM.  
2. 7S-6767 [4] VALVE (Exhaust)  
3. 2A-4429 [16] LOCK  
4. 7S-7144 [8] SPRING  
5. 8S-3970 [4] CHAMBER ASSEM.  
  7S-3206 [4] SEAL  
  5M-2667 C [4] GASKET  
6. 7S-8809 [4] VALVE (Inlet)  
7. 4N-7444 Y [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6277 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#UEG0882S0035
 

3N-4054: CYLINDER HEAD GP

3N4054 CYLINDER HEAD GROUP
Serial No. 4B12802-Up
Part of 4N4207 Engine Arrangement listed on Page 12
6N8875 Cylinder Head parts are shown on Page 25
c213303 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-5874 [8] ROTOCOIL ASSEM.  
2. 7S-6767 [4] VALVE (Exhaust)  
3. 2A-4429 [16] LOCK  
4. 7S-7144 [8] SPRING  
5. 8S-3970 [4] CHAMBER ASSEM.  
  7S-3206 [4] SEAL  
  5M-2667 [4] GASKET  
6. 7S-8809 [4] VALVE (Inlet)  
7. 6N-8875 RCY [1] HEAD ASSEM.  
    (Separate Illustration)
8. 5S-6277 [1] GASKET  
  C   INDICATES CHANGE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#UEG0882S0036
 

4N-7444: CYLINDER HEAD ASSEMBLY

4N7444 CYLINDER HEAD ASSEMBLY
Serial No. 4B7794 to 4B12801 inclusive
Part of 3N4054 Cylinder Head Group shown on Page 24
c202759 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [ 12] DIRECTOR  
2. 3B-0623 [ 4] PLUG  
3. 2B-0858 [ 3] PLUG  
4. 3S-8313 [ 4] PLUG  
5. 2P-1262 [ 8] GUIDE  
7. 5S-7221 [ 4] INSERT (exhaust)  
8. 5S-7218 [ 4] INSERT (intake)  
 

#UEG0882S0037
 

6N-8875: CYLINDER HEAD AS

6N8875 CYLINDER HEAD ASSEMBLY
Serial No. 4B12802-Up
Part of 3N4054 Cylinder Head Group shown on Page 24A
c217788 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [12] DIRECTOR-WATER  
2. 3B-0623 [4] PLUG-CUP  
3. 2B-0858 [3] PLUG-PIPE  
4. 3S-8313 [4] PLUG-CUP  
5. 2P-1262 [8] GUIDE-VALVE  
6. 5S-7218 [4] INSERT-VALVE SEAT (INTAKE)  
7. 1P-6837 [4] INSERT-VALVE SEAT (EXHAUST)  
 

#UEG0882S0038
 

2P-6524: VALVE-MECHANISM GP

2P6524 VALVE MECHANISM GROUP
Part of 4N4207 Engine Arrangement listed on Page 12
c119069 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2P-3189 [1] SHAFT ASSEM.  
  0L-1026 [2] PLUG (.50 in. Diameter)  
2. 5S-5879 [1] BRACKET  
  5M-4606 [1] DOWEL  
3. 4B-4910 [3] SPRING  
4. 9H-1110 [8] WASHER  
5. 5S-5879 [2] BRACKET  
6. 5S-6855 [4] ARM ASSEM. (Exhaust)  
7. 5S-6854 [4] ARM ASSEM. (Intake)  
8. 8S-1499 [1] BRACKET ASSEM.  
  3F-6795 [1] DOWEL  
9. 9M-9886 [2] WASHER  
  9H-1112 [2] SPRING  
10. 1B-4203 [8] NUT  
11. 5S-5917 [8] SCREW  
12. 5S-5918 [8] ROD  
13. 7S-3161 [8] LIFTER  
14. 9H-1113 [2] RING  
 

#UEG0882S0039
 

3N-2921: COVER GP-VALVE MECHANISM

3N2921 VALVE MECHANISM COVER GROUP
Part of 4N4207 Engine Arrangement listed on Page 12
c117721 UEG0882S
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Parts for your 3304 INDUSTRIAL ENGINE:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2N-3871 [1] COVER AS-HEAD  
2. 8S-1606 [1] GASKET-COVER  
3. 0S-1617 [11] BOLT  
  3B-4505 [11] LOCKWASHER  
 

Information:

Disassembly and Assembly
Balancer Shafts
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Balancer Shaft Bearing
D330, D333, 3304, 3306 INDUSTRIAL & MARINE ENGINES
Balancer Shafts (3304)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Balancer Shaft Bearings (3304 Engine)
3304 & 3306 INDUSTRIAL & MARINE ENGINES
Service Magazine

Caterpillar Parts SIS Catalog 3304 :

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