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2P6486 CYLINDER HEAD GROUP Engine Serial No. 49V12459 to 49V13930 inclusive 4N7446 Cylinder Head parts are shown on Page 12 D6D


BASIC ENGINE
CYLINDER HEAD GP

TRACK-TYPE TRACTOR D6D TRACK-TYPE TRACTOR 20X
 D6D TRACTOR / POWER SHIFT / 20X00001-03041 (MACHINE) POWERED BY 3306 ENGINE HEBP1162 D6D 20X   (1977)

BASIC ENGINE

CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
 

#HEBP11620020
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
Engine Serial No. 49V12459 to 49V13930 inclusive
4N7446 Cylinder Head parts are shown on Page 12
c144578 HEBP1162
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4N-7446 Y [1] HEAD ASSEM.  
    (Separate Illustration)
2. 5S-6452 C [6] VALVE (Intake)  
3. 5S-7232 C [6] VALVE (Exhaust)  
4. 7S-7144 [12] SPRING  
5. 2A-4429 [24] LOCK  
6. 5S-5874 [12] ROTOCOIL  
7. 8S-3970 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  2S-8966 [6] KIT (Gasket)  
8. 5S-6281 [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP11620021
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
Engine Serial No. 49V13931 to 49V17612 inclusive
6N8889 Cylinder Head parts are shown on Page 11B
c215310 HEBP1162
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6N-8889 YC [1] HEAD ASSEM.  
    (Separate Illustration)
2. 5S-6452 [6] VALVE (intake)  
3. 5S-7232 [6] VALVE (exhaust)  
4. 7S-7144 [12] SPRING  
5. 2A-4429 [24] LOCK  
6. 5S-5874 [12] ROTOCOIL  
7. 8S-3970 [6] CHAMBER ASSEM.  
  7S-3206 [6] SEAL  
  5M-2667 C [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 C [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 C [6] GASKET 6.3 mm(.248 in.) thick  
8. 5S-6281 C [1] GASKET  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP11620022
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
Engine Serial No. 49V17613 to 49V20065 inclusive
c216924 HEBP1162
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 5S-5874 [12] ROTOCOIL  
3. 2A-4429 [24] LOCK  
4. 6N-8120 C [1] HEAD ASSEM.  
    (Includes)
5. 0S-1594 [4] BOLT  
6. 5M-2894 [4] WASHER  
7. 1P-6367 [1] COVER  
8. 5S-6735 [1] GASKET  
9. 3B-0623 [6] PLUG  
10. 3S-8313 [7] PLUG  
11. 1S-3062 [18] DIRECTOR  
12. 2B-0858 [3] PLUG  
13. 7N-4448 [6] INSERT (intake)  
14. 5S-7221 [6] INSERT (exhaust)  
15. 2P-1262 [12] GUIDE  
16. 5M-2667 [6] GASKET 4.93 mm(.194 in.) thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.) thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.) thick  
17. 7S-3206 [6] SEAL  
18. 8S-3970 [6] CHAMBER ASSEM.  
19. 6N-7263 C [1] GASKET  
20. 5S-6452 [6] VALVE (intake)  
21. 5S-7232 [6] VALVE (exhaust)  
  C   INDICATES CHANGE
 

#HEBP11620023
 

2P-6486: CYLINDER HEAD GP

2P6486 CYLINDER HEAD GROUP
Engine Serial No. 49V20066 to 49V24230 inclusive. 8N1187 Cylinder Head parts are shown on Page 11D
c228335 HEBP1162
2P6486 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 5S-5874 [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 8N-1187 RCY [1] HEAD GROUP  
    (Separate Illustration)
5. 5M-2667 [6] GASKET 4.93 mm(.194 in.)thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.)thick  
  2S-8960 [6] GASKET 6.3 mm(.248 in.)thick  
6. 7S-3206 [6] SEAL  
7. 8S-3970 [6] CHAMBER ASSEM.  
8. 6N-7263 [1] GASKET  
9. 5S-6452 [6] VALVE (intake)  
10. 5S-7232 [6] VALVE (exhaust)  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#HEBP11620024
 

7N-8536: CYLINDER HEAD GP

7N8536 CYLINDER HEAD GROUP
Engine Serial No.49V24231-Up. 8N1187 Cylinder Head parts are shown on Page 11D
c178555 HEBP1162
7N8536 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 7S-7144 [12] SPRING  
2. 8N-7782 C [12] ROTOCOIL ASSEM.  
3. 2A-4429 [24] LOCK  
4. 8N-1187 RY [1] HEAD GROUP  
    (Separate Illustration)
5. 8S-3970 [6] CHAMBER ASSEM.  
6. 7N-7999 [1] GASKET  
7. 5S-6452 [6] VALVE (intake)  
8. 8N-0875 C [6] VALVE (exhaust)  
9. 7N-8025 [18] SEAL  
10. 3S-5496 [1] SEAL  
11. 7N-8018 [6] SEAL  
12. 5M-2667 [6] GASKET 4.93mm(.194 in.)thick  
  2S-8959 [6] GASKET 5.66 mm(.223 in.)thick  
  2S-8960 [6] GASKET 6.3mm(.248 in.)thick  
13. 7S-3206 [6] SEAL  
  R   REMFG PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
  C   INDICATES CHANGE
 

#HEBP11620025
 

6N-8889: CYLINDER HEAD AS

6N8889 CYLINDER HEAD ASSEMBLY
Engine Serial No. 49V13931 to 49V17612 inclusive
Part of 2P6486 Cylinder Head Group shown on Page 11A
c212515 HEBP1162
6N8889 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [18] DIRECTOR-WATER  
2. 2B-0858 [3] PLUG-PIPE  
3. 3B-0623 [6] PLUG-CUP  
4. 3S-8313 [7] PLUG-CUP  
5. 1P-6367 [1] COVER  
6. 5S-6735 [1] GASKET  
7. 0S-1594 [4] BOLT  
  5M-2894 [4] WASHER  
8. 2P-1262 [12] GUIDE-VALVE  
9. 5S-7218 [6] INSERT-VALVE SEAT (INTAKE)  
10. 5S-7221 [6] INSERT (EXHAUST)  
 

#HEBP11620026
 

8N-1187: CYLINDER HEAD GP

8N1187 CYLINDER HEAD ASSEMBLY
Engine Serial No. 49V20066-Up. Part of 2P6486 and 7N8536 Cylinder Head Groups shown on Pages 11A-2 and 11A-3
c223144 HEBP1162
8N1187 CYLINDER HEAD GP Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [4] BOLT  
2. 5M-2894 [4] WASHER  
3. 1P-6367 [1] COVER  
4. 5S-6735 [1] GASKET  
5. 3B-0623 [6] PLUG  
6. 3S-8313 [7] PLUG  
7. 1S-3062 [18] DIRECTOR  
8. 2B-0858 [3] PLUG  
9. 7N-4448 [6] INSERT (intake)  
10. 5S-7221 [6] INSERT (exhaust)  
11. 2P-1262 [12] GUIDE  
12. 7N-2597 [1] SPACER  
 

#HEBP11620027
 

4N-7446: CYLINDER HEAD AS

4N7446 CYLINDER HEAD ASSEMBLY
Engine Serial No. 49V12459 to 49V13930 inclusive
Part of 2P6486 Cylinder Head Group shown on Page 11
c205775 HEBP1162
4N7446 CYLINDER HEAD AS Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1S-3062 [18] DIRECTOR  
2. 2B-0858 C [3] PLUG  
3. 3B-0623 [6] PLUG  
4. 3S-8313 [7] PLUG  
5. 1P-6367 [1] COVER  
6. 5S-6735 [1] GASKET  
7. 0S-1594 [4] BOLT  
  3B-4506 [4] LOCKWASHER  
8. 2P-1262 [12] GUIDE  
9. 5S-7218 [6] INSERT (intake)  
10. 5S-7221 [6] INSERT (exhaust)  
  C   INDICATES CHANGE
 

#HEBP11620028
 

2P-6546: FASTENER GP-CYLINDER HEAD

2P6546 CYLINDER HEAD FASTENER GROUP
Engine Serial No. 49V12459 to 49V24230 inclusive
c117080 HEBP1162
2P6546 FASTENER GP-CYLINDER HEAD Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1A-5183 [7] BOLT  
  5B-3850 [7] WASHER  
2. 1B-7709 [6] BOLT (Location X)  
  2S-0736 [6] WASHER  
3. 1D-4595 [20] BOLT  
  2S-0736 [20] WASHER  
 

#HEBP11620029
 

7N-9536: FASTENER GP-CYLINDER HEAD

7N9536 CYLINDER HEAD FASTENER GROUP
Engine Serial No. 49V24231-Up
c226521 HEBP1162
7N9536 FASTENER GP-CYLINDER HEAD Parts scheme
  For full view, you need register

Parts for your D6D TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5B-9603 [7] BOLT  
2. 1B-7709 C [5] BOLT (LOCATION X)  
3. 1D-4595 B [20] BOLT  
4. 2S-0736 C [25] WASHER-HARD  
  B   USE AS REQUIRED
  C   CHANGE FROM PREVIOUS TYPE
 

Information:

Special Instruction
3306 Cylinder Head To Block Joint Repair Procedure{1124, 1101, 1201}
3306 Cylinder Head To Block Joint Repair Procedure{1124, 1101, 1201}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Service Letter-NACD
Cylinder Head Gasket And Spacer Deck Gasket Replacement In Various Gasket Kits
Cylinder Head Gasket And Spacer Deck Gasket Replacement In Various Gasket Kits
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-Brazil
Service Letter-Truck/Ag/Marine
Specifications
VALVES (PC)
3306 VEHICULAR ENGINE FOR D5B, D6D & D7G TRACTORS
Valves (DI)
3306 VEHICULAR ENGINE FOR D5B, D6D & D7G TRACTORS
Cylinder Head
3306 VEHICULAR ENGINE FOR D5B, D6D & D7G TRACTORS
Valve Cover
3306 VEHICULAR ENGINE FOR D5B, D6D & D7G TRACTORS
Fuel Injection Nozzles
3306C Engines for Caterpillar Built Machines
Cylinder Head
3306C Engines for Caterpillar Built Machines
Cylinder Head Valves
3306C Engines for Caterpillar Built Machines
Tool Operating Manual
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}
188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
Service Letter-China
Cylinder Head Gasket And Spacer Deck Gasket Replacement In Various Gasket Kits
Cylinder Head Gasket And Spacer Deck Gasket Replacement In Various Gasket Kits
Service Letter-Asia
Reuse And Salvage Guidelines
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Applied Failure Analysis
Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}
Service Letter-APD
Cylinder Head Gasket And Spacer Deck Gasket Replacement In Various Gasket Kits
Cylinder Head Gasket And Spacer Deck Gasket Replacement In Various Gasket Kits
Testing and Adjusting
Fuel Injection Nozzle - Test
3306C Engines for Caterpillar Built Machines
Engine Valve Lash - Inspect/Adjust
3306C Engines for Caterpillar Built Machines
Disassembly and Assembly
Precombustion Chambers
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Valve Cover
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Cylinder Head (Earlier)
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Cylinder Head (Later)
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Valves
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Valve Seat Inserts
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Water Directors
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Valve Guides
3306 VEHICULAR ENGINE FOR D6D TRACTORS
Inlet and Exhaust Valves - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Inlet and Exhaust Valve Guides - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Inlet and Exhaust Valve Seat Inserts - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Cylinder Head - Remove
3304B and 3306B Engines for Caterpillar Built Machines
Camshaft Bearings - Remove and Install
3304B and 3306B Engines for Caterpillar Built Machines
Cylinder Head - Install
3304B and 3306B Engines for Caterpillar Built Machines
Service Magazine
Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06
New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29
Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17
Remanufactured Cylinder Head Groups{1100,1101,7554}
1984/11/19
Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14
Use Correct Valves When Rebuilding Engines{1105,1103}
1985/09/02
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07
Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16
Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22
Cylinder Head Water Directors No Longer Needed In Direct Injection Engines {1115}
1987/03/09
Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30
Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16
Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30
Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06
New Torque Specification Used On Bolts That Hold The Cylinder Head{1101}
1978/09/04
Silicone Water Passage Seal Can Be Used Where Contact With Oil Is Unavoidable During Assembly Of Cylinder Heads{1100}
1988/06/06
A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28
Improved Engine Design Uses Cylinder Block With Spacer Plate And New Crankshaft Thrust Plates{1000}
1979/07/02
Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27
Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17
New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08
7S3161 Valve Lifter Has Three Different Designs{1209}
1991/10/14
Correction For Camshaft And Valve Seat Specifications{1210,1103}
1992/07/20
New Valve Guide Available{1104}
1995/12/25
New Valve Cover Seal Used {1107}
1998/05/25
New Cast Iron Valve Guide And New Exhaust Valve With Chrome Plated Stem Will Help Prevent Early Hour Exhaust Valve Sticking In 3304 And 3306 Machine Engines {1104,1105}
1998/06/22
Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03
Later Pre-Chamber Cylinder Heads On Early 3304 Engines Without Drilled Rocker Stands Are Used {1100}
2012/10/11

Caterpillar Parts SIS Catalog D6D :

CAMSHAFT GP-SINGLE
2P-6202 CAMSHAFT GP-SINGLE
PISTON & ROD GP
9S-8912 PISTON & ROD GP
SEAL GP-CRANKSHAFT
2P-6226 SEAL GP-CRANKSHAFT
CRANKSHAFT BEARING REPLACEMENTS
SEAL GP-CRANKSHAFT
2P-6225 SEAL GP-CRANKSHAFT
CRANKSHAFT GP
6N-8079 CRANKSHAFT GP
CRANKSHAFT AS
4N-7693 CRANKSHAFT AS
CRANKSHAFT GP
2P-6222 CRANKSHAFT GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
2P-6486 CYLINDER HEAD GP
CYLINDER HEAD GP
7N-8536 CYLINDER HEAD GP
CYLINDER HEAD AS
6N-8889 CYLINDER HEAD AS
CYLINDER HEAD GP
8N-1187 CYLINDER HEAD GP
CYLINDER HEAD AS
4N-7446 CYLINDER HEAD AS
FASTENER GP-CYLINDER HEAD
2P-6546 FASTENER GP-CYLINDER HEAD

Truck sale:

Caterpillar D6D
 
Caterpillar D6D
- Crawler dozers
HOLT CAT
Caterpillar D6D
 
Caterpillar D6D
- Crawler dozers
GREGORY POOLE EQUIPMENT CO.
 
25,000 
Caterpillar D6D, Crawler dozers, Construction


 
59,000 
Caterpillar D6D, Crawler dozers, Construction


Caterpillar D6D, Crawler dozers, Construction
22,417 
Caterpillar D6D, Crawler dozers, Construction

TOROMONT CAT
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