6N277 GOVERNOR AND FUEL INJECTION PUMP GROUP Serial No. 48V12848 to 48V14966 inclusive. 6N243 Governor and Fuel Injection Pump and 6N581 Torque Control parts are shown on Pages 55 through 57 D4D





FUEL SYSTEM

GOVERNOR GP
 

#HEBP10740090
 

6N-0277: GOV & FUEL INJ PUMP GP

6N277 GOVERNOR AND FUEL INJECTION PUMP GROUP
Serial No. 48V12848 to 48V14966 inclusive. 6N243 Governor and Fuel Injection
Pump and 6N581 Torque Control parts are shown on Pages 55 through 57
c205452 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 6N-0581 [1] TORQUE CONTROL  
2. 6N-0243 Y [1] GOVERNOR & FUEL INJECTION PUMP  
    (Separate Illustration)
3. 4N-0443 [1] PIN  
4. 4N-4225 [1] SPRING  
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740091
 

6N-0277: GOV & FUEL INJ PUMP GP

6N277 GOVERNOR AND FUEL INJECTION PUMP GROUP
Serial No. 48V14967-Up. 6N243 Governor and Fuel Injection Pump and 6N2505
Torque Control parts are shown on Pages 55 through 57
c209516 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 6N-2505 Y [1] TORQUE CONTROL  
    (Separate Illustration)
2. 6N-0243 Y [1] GOVERNOR AND FUEL INJECTION PUMP  
    (Separate Illustration)
3. 4N-0443 [1] PIN  
4. 4N-4225 [1] SPRING  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740092
 

6N-2476: GOVERNOR AND FUEL INJECTION PUMP GROUP

6N2476 GOVERNOR AND FUEL INJECTION PUMP GROUP--Field Installation
Replaced by 4N6116 listed on Page 53B
HEBP10740092 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
  6N-2477 Y [1] GOVERNOR AND FUEL INJECTION PUMP GROUP  
  2H-3934 [1] SEAL  
  6L-5773 [1] GASKET  
  8L-8601 [6] SPACER .002" (0.05 MM)  
  9L-3625 [1] TORQUE SPRING .022" (0.55 MM)  
  9L-3626 [1] SPACER .016" (0.41 MM)  
  9L-5176 [1] TORQUE SPRING .024" (0.61 MM)  
  9L-6483 [1] TORQUE SPRING .020" (0.52 MM)  
  9L-7235 [3] SHIM .039" (0.99 MM)  
  9L-9347 [2] SHIM .020" (0.52 MM)  
  5M-6214 [1] PLUG  
  4N-0049 [1] GASKET  
  4N-0159 [1] GASKET  
  4N-0402 [1] GASKET  
  4N-0508 [1] GASKET  
  4N-0594 [1] GASKET  
  4N-4227 [1] GOVERNOR SPRING 1.94" (49.18 MM)  
  4N-4228 [1] GOVERNOR SPRING 1.93" (48.96 MM)  
  4N-7777 [3] SPACER .010" (0.25 MM)  
  4N-9056 [1] GASKET  
  4N-9098 [1] SPACER .200" (5.08 MM)  
  4N-9337 [1] GASKET  
  6N-2504 [1] SPACER .005" (0.12 MM)  
  6N-2843 [1] GASKET  
  1P-0436 [1] GASKET  
  1P-6453 [1] STOP BAR .250" (6.35 MM)  
  2P-0726 [1] SPRING  
  [1] FILM  
  9S-8597 [1] SPRING  
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740093
 

4N-6116: GOV & FUEL INJ PUMP GP

4N6116 GOVERNOR AND FUEL INJECTION PUMP GROUP--Field Installation
HEBP10740093 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
  4N-6115 Y [1] GOVERNOR & FUEL INJECTION PUMP GROUP  
  2H-3934 [1] SEAL  
  6L-5773 [1] GASKET  
  8L-8601 [6] SPACER .002" (0.05 MM)  
  9L-3625 [1] SPRING .022" (0.55 MM)  
  9L-3626 [1] SPACER .016" (0.41 MM)  
  9L-5176 [1] SPRING .024" (0.61 MM)  
  9L-6483 [1] SPRING .020" (0.52 MM)  
  9L-7235 [3] SHIM .039" (0.99 MM)  
  9L-9347 [2] SHIM .020" (0.52 MM)  
  5M-6214 [1] PLUG  
  4N-0049 [1] GASKET  
  4N-0159 [1] GASKET  
  4N-0402 [1] GASKET  
  4N-0508 [1] GASKET  
  4N-0594 [1] GASKET  
  4N-4224 [1] GOVERNOR SPRING (2) YELLOW & (1) WHITE STRIPE  
  4N-4227 [1] GOVERNOR SPRING (2) YELLOW & (1) GREEN STRIPE  
  4N-4228 [1] GOVERNOR SPRING (2) YELLOW & (1) PURPLE STRIPE  
  4N-7777 [3] SPACER .010" (0.25 MM)  
  4N-9056 [1] GASKET  
  4N-9098 [1] SPACER .200" (5.08 MM)  
  4N-9337 [1] GASKET  
  6N-2504 [1] SPACER .005" (0.12 MM)  
  6N-2843 [1] GASKET  
  1P-0436 [1] GASKET  
  1P-6453 [1] BAR .250" (6.35 MM)  
  2P-0726 [1] SPRING (1) RED STRIPE  
  9S-8597 [1] SPRING (1) WHITE STRIPE  
  [1] FILM  
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740094
 

6N-2477: GOVERNOR AND FUEL INJECTION PUMP GROUP

6N2477 GOVERNOR AND FUEL INJECTION PUMP GROUP--Replaced by 4N6115
Part of 6N2476 Governor and Fuel Injection Pump Group listed on Page 53. 4N1834 Governor and
Fuel Injection Pump and 6N509 Torque Control parts are shown on Pages 58 through 65 & 66
c206892 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-0053 [1] COVER  
2. 0S-1616 [1] BOLT 1 in. (2.54 cm) long  
  8S-4710 [2] BOLT 4 in. (10.16 cm) long  
3. 4N-0159 [1] GASKET  
4. 4N-4320 [1] SHAFT ASSEM.  
6. 4N-1834 YC [1] GOVERNOR AND FUEL PUMP  
    (Separate Illustration)
7. 6N-2957 C [2] WASHER  
8. 4N-9338 [1] COVER  
  4N-9056 [1] GASKET  
9. 9S-4180 [1] PLUG  
  4J-7533 [1] SEAL  
10. 0S-1615 [8] BOLT  
11. 6D-0238 [1] VALVE ASSEM.  
12. 4N-4366 [1] SPRING  
13. 6N-0509 YC [1] CONTROL GROUP  
    (Separate Illustration)
14. 4N-0443 C [1] PIN  
15. 4N-8179 [1] PIN  
16. 4N-0444 [2] SPACER  
17. 4N-4225 [1] SPRING  
18. 6N-2956 C [1] WASHER (Spring)  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740095
 

4N-6115: GOV & FUEL INJ PUMP GP

4N6115 GOVERNOR AND FUEL INJECTION PUMP GROUP
Part of 4N6116 Governor and Fuel Injection Pump Group listed on Page 53B. 6N5356 Governor
& Fuel Injection Pump and 6N509 Torque Control parts are shown on Pages 65A through 66
c211933 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-0053 [1] COVER  
2. 0S-1616 [1] BOLT 2.54 cm(1 in.) long  
3. 8S-4710 [2] BOLT 10.16 cm(4 in.) long  
4. 4N-0159 [1] GASKET  
5. 4N-4320 [1] SHAFT ASSEM.  
6. 6N-5356 Y [1] GOVERNOR AND FUEL PUMP  
    (Separate Illustration)
7. 4N-0444 [2] SPACER  
8. 4N-9338 [1] COVER  
  4N-9056 [1] GASKET  
9. 9S-4180 [1] PLUG  
  4J-7533 [1] SEAL  
10. 0S-1615 [8] BOLT  
11. 6D-0238 [1] VALVE ASSEM.  
12. 4N-4366 [1] SPRING  
13. 4N-8179 [1] PIN  
14. 6N-0509 Y [1] TORQUE CONTROL GROUP  
    (Separate Illustration)
15. 4N-0443 [1] PIN  
16. 4N-4225 [1] SPRING  
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740096
 

6N-0243: GOV & FUEL INJ PUMP GP

6N243 GOVERNOR AND FUEL INJECTION PUMP GROUP
Serial No. 48V12848 to 48V18800 inclusive. Part of 6N277 Governor and Fuel Injection Pump Group
shown on Page 52. 4N1834 Governor and Fuel Injection Pump parts are shown on Pages 58 through 65
c201371 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-0053 [ 1] COVER  
2. 0S-1616 [ 1] BOLT (1 in. long)  
  8S-4710 [ 2] BOLT (4 in. long)  
3. 4N-0159 [ 1] GASKET  
4. 4N-4320 [ 1] SHAFT ASSEM.  
6. Y [ 1] GOVERNOR AND FUEL PUMP  
    (Separate Illustration)
7. 9L-5914 [ 1] WASHER  
8. 4N-9338 [ 1] COVER  
  4N-9056 [ 1] GASKET  
9. 9S-4180 [ 1] PLUG  
  4J-7533 [ 1] SEAL  
10. 0S-1615 [ 8] BOLT  
11. 6D-0238 [ 1] VALVE ASSEM.  
12. 4N-4366 [ 1] SPRING  
13. 6N-0242 [ 1] COVER  
  4N-0403 [ 1] GASKET  
14. 2A-0762 [ 2] BOLT  
15. 4N-8179 [ 1] PIN  
16. 4N-0444 [ 2] SPACER  
    Separate Illustration
 

#HEBP10740097
 

6N-0243: GOV & FUEL INJ PUMP GP

6N243 GOVERNOR AND FUEL INJECTION PUMP GROUP
Serial No. 48V18801-Up. Part of 6N277 Governor and Fuel Injection Pump Group shown on Page 52
4N1834 Governor and Fuel Injection Pump parts are shown on Pages 58 through 65
c219221 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4N-0053 [1] COVER  
2. 0S-1616 [1] BOLT 25.40 mm(1 in.) long  
  8S-4710 [2] BOLT 101.60 mm(4 in.) long  
3. 4N-0159 [1] GASKET  
4. 4N-4320 [1] SHAFT ASSEM.  
5. 4N-8179 [1] PIN  
6. 4N-1834 Y [1] GOVERNOR AND FUEL PUMP  
    (Separate Illustration)
7. 4N-0444 [2] SPACER  
8. 7N-2057 C [1] COVER  
  4N-9056 [1] GASKET  
9. 9S-4180 [1] PLUG  
  4J-7533 [1] SEAL  
10. 0S-1615 [8] BOLT  
11. 7N-0450 C [1] VALVE ASSEM.  
12. 4N-4366 [1] SPRING  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP10740098
 

6N-0581: TORQUE CONTROL GP

6N581 TORQUE CONTROL GROUP
Engine Serial No. 48V12848 to 48V14966 inclusive
Part of 6N277 Governor and Fuel Injection Pump Group shown on Page 52
c201372 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4L-6458 [1] NUT-FULL  
2. 4L-7124 [1] BOLT  
3. 8M-9064 [1] SHIM-SPRING (.064IN THK)  
4. 1P-6452 [2] INSULATOR  
5. 4N-3882 [1] CONTACT-STOP  
6. 9L-7235 [3] SHIM-TORQUE SPRING (.039IN THK)  
7. 4N-7777 [3] SPACER (.010IN THK)  
8. 4N-9098 [1] SPACER (.200IN THK)  
9. 1P-6453 [1] BAR-LOAD STOP  
10. 9L-5176 [1] SPRING-TORQUE  
11. 8L-8601 [6] SPACER  
12. 9L-9347 [1] SHIM-TORQUE SPRING  
 

#HEBP10740099
 

6N-2505: CONTROL GP-TORQUE

6N2505 TORQUE CONTROL GROUP
Engine Serial No. 48V14967-Up. Part of 6N277 Governor and
Fuel Injection Pump Group shown on Page 52
c163295 HEBP1074
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Parts for your D4D TRACK-TYPE TRACTOR:

Pos. Part No Qty Parts name Comments
1. 4L-6458 [1] NUT  
2. 4L-7124 [1] BOLT  
3. 8M-9064 [1] SHIM 1.63 mm(.064 in.) thick  
4. 1P-6452 [2] INSULATOR  
5. 4N-3882 [1] CONTACT  
6. 9L-7235 [3] SHIM .99 mm(.039 in.) thick  
7. 4N-7777 [2] SPACER .254 mm(.010 in.) thick  
8. 4N-9098 [1] SPACER 5.08 mm(.20 in.) thick  
9. 1P-6453 [1] BAR  
10. 9L-5176 [1] SPRING .61 mm(.024 in.) thick  
11. 8L-8601 [6] SHIM .051 mm(.002 in.) thick  
12. 9L-9347 [1] SHIM .508 mm(.020 in.) thick  
13. 6N-2504 [1] SPACER .127mm(.005 in.) thick  
 

Information:

Caterpillar Parts SIS Catalog D4D :

Truck sale:

14,000 
Caterpillar D4D, Construction
- Dozers
MICHIGAN CAT
 
CATERPILLAR D4D 1966
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
 
CATERPILLAR D4D 1973
- TRACK TYPE TRACTORS
MICHIGAN CAT
US (Mid, North), Canada, ON West: John Kinney; US (NE, SE, SW), Canada QU East, AUS: Bill Dowd;
USD $39,016 
CAT D4D

Hydraulics & Tractors Service Pty Ltd
Dubbo, NSW, Australia
USD $18,900 
CAT D4D

DRC Ranch