6N1852 FUEL RATIO CONTROL GROUP Serial No. 38S1 to 38S2321 inclusive. For Direct Injection Turbocharged Engine 6N648 Control parts are shown on Page 263. AN ATTACHMENT 3412



FUEL SYSTEM
CONTROL GP-FUEL RATIO

ENGINE - MACHINE 3412 ENGINE - MACHINE 38S
 3412 INDUSTRIAL ENGINE 38S00001-13235 SEBP1101 3412 38S   (2018)

FUEL SYSTEM

CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
6N-1852 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
6N-0818 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
6N-6209 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
1W-5889 CONTROL GP-FUEL RATIO
 

#SEBP11011000
 

6N-1852: CONTROL GP-FUEL RATIO

6N1852 FUEL RATIO CONTROL GROUP
Serial No. 38S1 to 38S2321 inclusive. For Direct Injection Turbocharged Engine
6N648 Control parts are shown on Page 263. AN ATTACHMENT
c210677 SEBP1101
6N1852 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 8L-6557 [1] CONNECTOR  
2. 3N-4411 C [1] HOSE ASSEM. 45.72 cm(18 in.)  
3. 6N-0648 Y [1] CONTROL GROUP  
    (Separate Illustration)
4. 4N-8111 C [2] BOLT  
  9M-1974 [2] WASHER  
5. 2P-8643 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011001
 

6N-0818: CONTROL GP-FUEL RATIO

6N818 FUEL RATIO CONTROL GROUP
Serial No. 38S1 to 38S2344 inclusive. Replaced by 8N3585 shown on Page 262A
For Precombustion Chambered Turbocharged Aftercooled Engine
4N8256 Control parts are shown on Page 264. AN ATTACHMENT
c210127 SEBP1101
6N0818 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 8L-6557 [1] CONNECTOR  
2. 3N-4411 C [1] HOSE ASSEM. 45.72 cm(18 in.)  
3. 4N-8256 Y [1] CONTROL GROUP  
    (Separate Illustration)
4. 4N-8111 C [2] BOLT  
  9M-1974 [2] WASHER  
5. 2P-8643 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011002
 

6N-6209: CONTROL GP-FUEL RATIO

6N6209 FUEL RATIO CONTROL GROUP--Type 1
Serial No. 382322-Up. FOR DIRECT INJECTION TURBOCHARGED ENGINE
6N651--Page 263. AN ATTACHMENT
c231301 SEBP1101
6N6209 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 6N-3169 C [1] HOSE AS 60.96CM(24 IN)  
2. 2N-1287 C [1] ELBOW-FLARED  
3. 4N-8112 [2] BOLT  
  8F-7242 C [2] WASHER  
  3B-4505 C [2] LOCKWASHER  
4. 2P-8643 [1] GASKET  
5. 6N-0651 RY [1] CONTROL GP-FUEL RATIO  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011003
 

1W-5889: CONTROL GP-FUEL RATIO

1W5889 FUEL RATIO CONTROL GROUP--Type 1
Serial No. 38S7184-Up. 6N651--Page 263. AN ATTACHMENT
c237754 SEBP1101
1W5889 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 8L-5008 [1] ELBOW  
2. 3N-7268 [1] HOSE ASSEM. 142 cm(55.71 in.)  
3. 8M-2773 [2] CLIP  
4. 1B-2790 [2] BOLT  
  9M-1974 [2] WASHER  
5. 9L-5125 [1] ELBOW  
6. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
  3B-4505 [2] LOCKWASHER  
7. 2P-8643 [1] GASKET  
8. 6N-0651 RY [1] CONTROL GROUP  
    (Separate Illustration)
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011004
 

6N-6209: CONTROL GP-FUEL RATIO

6N6209 FUEL RATIO CONTROL GROUP--TYPE 2
Serial No. 38S2322-Up. For Direct Injection Turbocharged Engine. 2W3157
Control Parts Are Shown On Page 262D. An Attachment
c316451 SEBP1101
6N6209 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 6N-3169 [1] HOSE AS 60.96CM(24IN.)  
2. 2N-1287 [1] ELBOW-FLARED  
3. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
  3B-4505 [2] LOCKWASHER  
4. 2P-8643 [1] GASKET  
5. 2W-3157 CY [1] CONTROL GP-FUEL RATIO  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011005
 

1W-5889: CONTROL GP-FUEL RATIO

1W5889 FUEL RATIO CONTROL GROUP--TYPE 2
Serial No. 38S7184-Up. 2W6808 Control Parts Are Shown On Page 262.03
An Attachment
c309908 SEBP1101
1W5889 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 8L-5008 [1] ELBOW-PIPE  
2. 3N-7268 [1] HOSE AS 142CM(55.71IN.)  
3. 8M-2773 [2] CLIP  
4. 1B-2790 [2] BOLT  
  9M-1974 [2] WASHER  
5. 9L-5125 [1] ELBOW  
6. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
  3B-4505 [2] LOCKWASHER  
7. 2P-8643 [1] GASKET  
8. 2W-6808 CY [1] CONTROL GP-FUEL RATIO  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011006
 

2W-6808: CONTROL GP-FUEL RATIO

2W6808 FUEL RATIO CONTROL GROUP
Part of 1W5889 Fuel Ratio Control
AN ATTACHMENT
c309909 SEBP1101
2W6808 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 2P-8939 [1] VALVE-INTERNAL  
2. 9S-5282 [3] WASHER-HARD  
3. 4J-2506 [1] SEAL-O-RING  
4. 6L-5766 [1] GASKET  
5. 2P-8226 [1] COVER-DIAPHRAGM  
6. 1W-4797 [1] DIAPHRAGM  
7. 2P-8875 [1] RETAINER AS  
8. 6N-0515 [1] SPRING (INNER)  
9. 7N-8512 [1] SEAL  
10. 2P-8225 [1] HOUSING-DIAPHRAGM  
11. 2W-3156 [1] VALVE AS-LIMITER  
12. 6V-2627 [3] BOLT-12 POINT HEAD  
13. 1W-2567 [1] RETAINER-SPRING  
14. 7N-0209 [1] SPRING (OUTER)  
15. 2P-8803 [1] WASHER  
16. 4B-3388 [2] BOLT  
  8F-7242 [2] WASHER  
17. 6N-0513 [1] SPRING  
18. 6N-7148 [1] COVER  
19. 7N-5715 [1] PIN  
 

#SEBP11011007
 

7N-3585: FUEL RATIO CONTROL GROUP

7N3585 FUEL RATIO CONTROL GROUP
Serial No. 38S1 to 38S2344 inclusive
For Precombustion Chambered Turbocharged Aftercooled Engine
4N8256 Control parts are shown on Page 264. AN ATTACHMENT
c213864 SEBP1101
7N3585 FUEL RATIO CONTROL GROUP Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 8L-5008 [1] ELBOW  
2. 3N-7268 [1] HOSE ASSEM.  
3. 1B-2790 [2] BOLT  
4. 9M-1974 [4] WASHER  
5. 8M-2773 [2] CLIP  
6. 4N-8111 [2] BOLT  
7. 2N-1287 [1] ELBOW  
8. 2P-8643 [1] GASKET  
9. 4N-8256 Y [1] CONTROL GROUP  
    (Separate Illustration)
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011008
 

7N-9250: CONTROL GP-FUEL RATIO

7N9250 FUEL RATIO CONTROL GROUP
Serial No. 38S2345-Up. For Precombustion Chambered Turbocharged Aftercooled
Engine. 7N5486 Control parts are shown on Page 264A. AN ATTACHMENT
c171954 SEBP1101
7N9250 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 8L-5008 [1] ELBOW-PIPE  
2. 3N-7268 [1] HOSE AS  
    142CM(55.71 IN.)
3. 8M-2773 [2] CLIP  
4. 1B-2790 [2] BOLT  
  9M-1974 [2] WASHER  
5. 2N-1287 [1] ELBOW-FLARED  
6. 4N-8112 [2] BOLT  
  8F-7242 [2] WASHER  
  3B-4505 [2] LOCKWASHER  
7. 2P-8643 [1] GASKET  
8. 7N-5486 YR [1] CONTROL GP-FUEL RATIO  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11011009
 

6N-0648: CONTROL GP-FUEL RATIO

6N648 FUEL RATIO CONTROL GROUP--Type 1
Serial No. 38S1 to 38S2321 inclusive. FOR DIRECT INJECTION TURBOCHARGED ENGINE
Part of 6N1852 Fuel Ratio Control
c222310 SEBP1101
6N0648 CONTROL GP-FUEL RATIO Parts scheme
  For full view, you need register

Parts for your 3412 ENGINE - MACHINE:

Pos. Part No Qty Parts name Comments
1. 2P-8939 [1] VALVE  
2. 0S-1347 [1] BOLT  
3. 4J-2506 [1] SEAL  
4. 6L-5766 [1] GASKET  
5. 2P-8226 [1] COVER  
6. 2P-8804 [1] DIAPHRAGM  
7. 2P-8875 [1] RETAINER ASSEM.  
8. 6N-0515 [1] SPRING (inner)  
9. 3P-1979 C [1] SEAL  
10. 2P-8225 [1] HOUSING  
11. 6N-0602 [1] VALVE ASSEM.  
12. 2P-8234 [1] SEAL  
13. 2P-8801 [1] RETAINER  
14. 7N-0209 C [1] SPRING (outer)  
15. 2P-8803 [1] WASHER  
16. 4B-3388 [2] BOLT  
  8F-7242 [2] WASHER  
17. 6N-0513 [1] SPRING  
18. 6N-7148 C [1] COVER  
19. 7N-5715 C [1] PIN (spring)  
20. 9S-5282 C [3] WASHER  
21. 0S-1615 [2] BOLT  
  C   INDICATES CHANGE
 

Information:

Engine News
Possible Cause Of A Low Idle Misfire And/Or Backfire
1980/06/04
Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly
1981/01/28
Troubleshooting The Fuel Ratio Control Group For Low Power Complaints
1981/09/16
New Diaphragm Used In Fuel Ratio Control
1982/03/17
Improvements Made To Fuel Ratio Control {1278}
1982/12/15
Information For Repair Of Hydraulic Fuel Ratio Controls
1983/08/17
Serviceable Parts For New Fuel Ratio Control; Pressurize Control To Set Rack
1987/05/01
New Components Used In Fuel Ratio Control Groups
1992/05/01
New Diaphragm Used In Fuel Ratio Control Groups
1992/06/01
Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Air Fuel Ratio Control (AFRC) Setting {1278,1287}
1996/01/17
New Spring Used In Fuel Ratio Control
1977/03/15
New Adjustment Pin And Valve Seal Used In Fuel Ratio Control
1977/08/24
Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups
1978/02/08
Special Instruction
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
Fuel System and Fuel Ratio Control Test Procedure{1264, 1278}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
"A Series" Governor And Air/Fuel Ratio Control Response And Low Power Test{0374}
Specifications
Fuel Ratio Control
3408C & 3412C INDUSTRIAL ENGINES
Fuel Ratio Control
3412 INDUSTRIAL AND MARINE ENGINES
Disassembly and Assembly
Fuel Ratio Control
3408C & 3412C INDUSTRIAL ENGINES
Fuel Ratio Control
3412 INDUSTRIAL & MARINE ENGINES
Service Magazine
Possible Cause Of A Low Idle Misfire And/Or Backfire{1278,1076,1250}
1980/05/12
Inspection And Test Procedures To Follow When Fuel Ratio Control Does Not Operate Correctly{1278}
1981/01/19
6V2029 Fixture Group Available For Adjustment Of Air/Fuel Ratio Control {0626,1278,0652}
1981/03/23
Troubleshooting The Fuel Ratio Control Group For Low Power Complaints{1278}
1981/08/24
New Diaphragm Used In Fuel Ratio Control{1278}
1982/03/15
Improvements Made To Fuel Ratio Control {1278}
1982/11/29
Information For Repair Of Hydraulic Fuel Ratio Controls{1278}
1983/08/15
Remanufactured Air Fuel Ratio Controls {1278,7754}
1985/01/14
New Spring Used In Fuel Ratio Control{1278}
1977/03/21
New Adjustment Pin And Valve Seal Used In Fuel Ratio Control{1278}
1977/07/11
Change In Design Of Engine Governor, Fuel Injection And Transfer Pump Groups, And Fuel Ratio Control Groups{1264,1278,1286}
1978/01/23
New Components Help Prevent Air Leaks In Improved Fuel Ratio Control Groups{1278}
1992/05/25
New Diaphragm Used In Fuel Ratio Control Groups{1278}
1992/06/15
Tamper Resistant Plugs And Tamper Resistant Bolts Used To Prevent Changes To Fuel Ratio Control (FRC) Setting{1278,1287}
1996/01/22

Caterpillar Parts SIS Catalog 3412 :

SWITCH GP
7N-4196 SWITCH GP
SWITCH GP
7N-4196 SWITCH GP
CONVERSION GP-WOODWARD GOV
8N-3104 CONVERSION GP-WOODWARD GOV
CONVERSION GP-WOODWARD GOV
8N-3104 CONVERSION GP-WOODWARD GOV
CONVERSION GP-WOODWARD GOV
8N-3104 CONVERSION GP-WOODWARD GOV
CONVERSION GP-WOODWARD GOV
8N-3104 CONVERSION GP-WOODWARD GOV
CONVERSION GP-WOODWARD GOV
8N-3104 CONVERSION GP-WOODWARD GOV
CONVERSION GP-WOODWARD GOV
8N-3104 CONVERSION GP-WOODWARD GOV
CONTROL GP-FUEL RATIO
6N-0818 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
6N-6209 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
1W-5889 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
6N-6209 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
1W-5889 CONTROL GP-FUEL RATIO
CONTROL GP-FUEL RATIO
2W-6808 CONTROL GP-FUEL RATIO
FUEL RATIO CONTROL GROUP
7N-3585 FUEL RATIO CONTROL GROUP
CONTROL GP-FUEL RATIO
7N-9250 CONTROL GP-FUEL RATIO

Truck sale:

Caterpillar 3412, mobile generator sets, Construction
95,720 
Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
Caterpillar 3412, mobile generator sets, Construction
96,795 
Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
Caterpillar 3412, mobile generator sets, Construction
93,569 
Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.
Caterpillar 3412, Stationary Generator Sets, Construction
60,000 
Caterpillar 3412, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY
Caterpillar 3412, Stationary Generator Sets, Construction
159,600 
Caterpillar 3412, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY