6A6669 CYLINDER BLOCK ASSEMBLY ENGINE SERIAL NO. 48V35434 TO 48V52798 INCLUSIVE PART OF 6A3834 CYLINDER BLOCK GROUP SHOWN ON PAGE 8 955L

BASIC ENGINE

CYLINDER BLOCK GP

0. 6A-6669 CYLINDER B
1. 7N-6552 CYLINDER B
2. 1N-3574 CYLINDER B

CRANKSHAFT GP

3. 4N-7692 CRANKSHAFT
4. 2P-6218 CRANKSHAFT
5. 6N-8080 CRANKSHAFT
6. 2P-6223 SEAL GP-CR
7. CRANKSHAFT
8. 2P-6224 SEAL GP-CR

CAMSHAFT GP

9. 2P-6201 CAMSHAFT G
0. INFORMATION

TRACK LOADER 955L TRACK LOADER 08Y
955L TRACK LOADER / POWER SHIFT / 08Y00001-UP (MACHINE) POWERED BY 3304 ENGINE HEBP1225 955L 08Y (1978)

BASIC ENGINE

CYLINDER BLOCK GP

6A-3834 CYLINDER BLOCK GP

6A-6610 COVER GP-CYLINDER BLOCK

7N-1088 COVER GP-CYLINDER BLOCK

7N-8014 CYLINDER BLOCK GP

6A-6669 CYLINDER BLOCK AS

7N-6552 CYLINDER BLOCK AS

1N-3574 CYLINDER BLOCK GP

#HEBP12250010

6A-6669: CYLINDER BLOCK AS

CYLINDER BLOCK AS

6A6669 CYLINDER BLOCK ASSEMBLY
ENGINE SERIAL NO. 48V35434 TO 48V52798 INCLUSIVE
PART OF 6A3834 CYLINDER BLOCK GROUP SHOWN ON PAGE 8

c143401 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	7M-4046	[2]	BEARING
2.	8B-1312	[2]	DOWEL
3.	5B-7652	[2]	DOWEL
4.	4B-5387	[3]	PLUG
5.	5M-6213	[1]	PLUG
6.	8B-6349	[2]	DOWEL
7.	5S-8462	[1]	STUD
8.	9M-5477	[1]	BEARING
9.	1P-2717	[5]	CAP
10.	7S-3224	[10]	BOLT
11.	2S-5658	[10]	WASHER
12.	5S-6420	[2]	BEARING
13.	4B-9782	[5]	BALL
14.	5S-6419	[4]	BEARING
15.	2A-3798	[2]	DOWEL

#HEBP12250011

7N-6552: CYLINDER BLOCK AS

CYLINDER BLOCK AS

7N6552 CYLINDER BLOCK ASSEMBLY
ENGINE SERIAL NO. 48V52799-UP. PART OF 7N8014 CYLINDER BLOCK GROUP SHOWN
ON PAGE 8B. FOR FIELD REPLACEMENT ORDER 1N3574 SHOWN ON PAGE 9B

c479941 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	6N-8003	[5]	CAP-CRANKSHAFT BEARING
2.	7S-3224	[10]	BOLT
	2S-5658	[10]	WASHER-HARD
3.	2P-8889	[4]	LINER-CYLINDER
4.	2W-6134	[4]	BAND-FILLER
5.	5S-6670	[12]	SEAL-O-RING

#HEBP12250012

1N-3574: CYLINDER BLOCK GP

CYLINDER BLOCK GP

1N3574 CYLINDER BLOCK GROUP-FIELD INSTALLATION
ENGINE SERIAL NO. 48V52799-UP

c232392 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	2B-0858	[1]	PLUG-PIPE
2.	8K-1207	[2]	PIN-DOWEL
3.	5B-7652	[2]	DOWEL
4.	1S-9540	[1]	DOWEL
5.	8B-6349	[2]	DOWEL
6.	5S-8462	[1]	STUD
7.	7M-4046	[2]	BEARING-SLEEVE
8.	8N-4110	[1]	BEARING-SLEEVE
9.	4B-3938	[2]	PLUG-CUP
10.	6N-8003	[5]	CAP-CRANKSHAFT BEARING
11.	7S-3224	[10]	BOLT
	2S-5658	[10]	WASHER-HARD
12.	5S-6419	[4]	BEARING-SLEEVE
13.	5S-6420	[2]	BEARING-SLEEVE
14.	4B-9782	[5]	BALL
15.	4B-5387	[1]	PLUG-CUP
16.	2A-3798	[2]	DOWEL

#HEBP12250013

4N-7692: CRANKSHAFT AS

CRANKSHAFT AS

4N7692 CRANKSHAFT ASSEMBLY-FIELD INSTALLATION*R

c224348 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	2P-3858	[1]	SLEEVE-WEAR
2.	9F-2247	[4]	PLUG
3.	7N-4525 C	[1]	GEAR-CRANKSHAFT
			(40 TEETH)
4.	5H-2671	[1]	KEY-WOODRUFF
5.	2P-3859	[1]	SLEEVE-WEAR
	C		CHANGE FROM PREVIOUS TYPE

#HEBP12250014

2P-6218: CRANKSHAFT GP

CRANKSHAFT GP

2P6218 CRANKSHAFT GROUP
ENGINE SERIAL NO. 48V35434 TO 48V52798 INCLUSIVE. NOTE: FOR FIELD
REPLACEMENT OF 4N7695 CRANKSHAFT ASSEMBLY ORDER 4N7692 SHOWN ON PAGE 10

c211892 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	6N-8940 C	[2]	PLATE
2.	4N-7695	[1]	CRANKSHAFT ASSEM.
3.	9F-2247	[4]	PLUG
4.	3S-9730	[5]	BEARING
	C		INDICATES CHANGE

#HEBP12250015

6N-8080: CRANKSHAFT GP

CRANKSHAFT GP

6N8080 CRANKSHAFT GROUP
ENGINE SERIAL NO. 48V52799-UP. NOTE: FOR FIELD REPLACEMENT OF 4N7695
CRANKSHAFT ASSEMBLY ORDER 4N7692 SHOWN ON PAGE 10

c222680 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	7N-9342	[2]	PLATE
2.	4N-7695	[1]	CRANKSHAFT ASSEM.
			(Includes)
3.	9F-2247	[4]	PLUG
4.	3S-9730	[5]	BEARING

#HEBP12250016

2P-6223: SEAL GP-CRANKSHAFT

SEAL GP-CRANKSHAFT

2P6223 CRANKSHAFT SEAL GROUP
ENGINE SERIAL NO. 48V35434 TO 48V51434 INCLUSIVE

c117077 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name	Comments
1.	5S-9022	[1]	SEAL
2.	5S-9021	[1]	SEAL

#HEBP12250017

CRANKSHAFT BEARING REPLACEMENTS

HEBP12250017 HEBP1225

For full view, you need register

Parts for your 955L TRACK LOADER:

Part No	Qty	Parts name
		CYLINDER BLOCK NOT REBORED
		CRANKSHAFT GROUND FOR UNDERSIZE
		MAIN BEARING I.D. OF:
8N-8225	[4]	0.25MM
8N-8226	[4]	0.51MM
8N-8227	[4]	0.76MM
		CYLINDER BLOCK REBORED (0.51MM)
		(FOR BEARING OVERSIZE O.D.)
		CRANKSHAFT GROUND FOR UNDERSIZE
		MAIN BEARING I.D. OF:
8N-8228	[4]	0 (STANDARD)
8N-8229	[4]	0.25MM

#HEBP12250018

2P-6224: SEAL GP-CRANKSHAFT

SEAL GP-CRANKSHAFT

2P6224 CRANKSHAFT SEAL GROUP
ENGINE SERIAL NO. 48V51435-UP

c403889 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	4W-0452 C	[1]	SEAL GP-CRANKSHAFT
2.	2P-3859	[1]	SLEEVE-WEAR
3.	5S-6296	[1]	SEAL-LIP TYPE
	C		INDICATES CHANGE

#HEBP12250019

2P-6201: CAMSHAFT GP-SINGLE

CAMSHAFT GP-SINGLE

2P6201 CAMSHAFT GROUP

c227965 HEBP1225

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Parts for your 955L TRACK LOADER:

Pos.	Part No	Qty	Parts name
1.	8N-4111 C	[1]	CAMSHAFT
2.	7S-2204	[1]	WASHER-THRUST
3.	8S-1491	[1]	LOCK
4.	0S-0509	[2]	BOLT
	C		CHANGE FROM PREVIOUS TYPE

Information:

BASIC ENGINE

CYLINDER BLOCK GP

Special Instruction

Using Caterpillar Cylinder Pack Pulling Tools{1239}
Using Caterpillar Cylinder Pack Pulling Tools{1239}

Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}
Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}

Installation Of 2P8774 And 2P8776 Cylinder Block Assemblies{1201}
Installation Of 2P8774 And 2P8776 Cylinder Block Assemblies{1201}

Installation Of Service Replacement Thrust Plates{1203}
Installation Of Service Replacement Thrust Plates{1203}

Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}

Installation Of 8N628 Service Replacement Bearing For Rear Of Injection Pump Camshaft In Sleeve Metering Fuel Injection Pump Housing{1253}
Installation Of 8N628 Service Replacement Bearing For Rear Of Injection Pump Camshaft In Sleeve Metering Fuel Injection Pump Housing{1253}

Installation Of 1N3574 Or 1N3576 Cylinder Block Service Group (Spacer Plate) As A Replacement For The Former Counterbored Cylinder Block{1201}
Installation Of 1N3574 Or 1N3576 Cylinder Block Service Group (Spacer Plate) As A Replacement For The Former Counterbored Cylinder Block{1201}

Installation Of Crankshaft Seals And Wear Sleeves{1203}
Installation Of Crankshaft Seals And Wear Sleeves{1203}

Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}
Use Of 1P4000 Line Boring Tool Group{0672, 1201, 1203}

Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}

Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}
Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}

Use Of 8T0455 Cylinder Liner Projection Indicator Group{0760, 1216}
Use Of 8T0455 Cylinder Liner Projection Indicator Group{0760, 1216}

Cylinder Block Cleaning Procedure{1201}
Cylinder Block Cleaning Procedure{1201}

Using 5P4175 Boring Tool Group And 5P1618 Tool Arrangement{0672, 1200}
Using 5P4175 Boring Tool Group And 5P1618 Tool Arrangement{0672, 1200}

Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}

Using the <NOBR> 6V-7840</NOBR> Deck Checking Tool Assembly {0701, 1201, 7225}
Using the 6V-7840 Deck Checking Tool Assembly {0701, 1201, 7225}

Service Letter-NACD

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING SEAL KITS THAT ARE INCLUDED WITH THE CLASSIC LINER KITS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING SEAL KITS THAT ARE INCLUDED WITH THE CLASSIC LINER KITS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Specifications

Cylinder Block
3304 VEHICULAR ENGINE

Cylinder Liner
3304 VEHICULAR ENGINE

Cylinder Liner Projection
3304 VEHICULAR ENGINE

Bearing Surface (Journal) For Main Bearings
3304 VEHICULAR ENGINE

Main Bearings And Connecting Rod Bearings
3304 VEHICULAR ENGINE

Tool Operating Manual

9U7990 Counter Bore Tool Group for 3176, 3300 and 3400 Series Engines{1201}
9U7990 Counter Bore Tool Group for 3176, 3300 and 3400 Series Engines{1201}

Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}
Setup and Operation of the 368-8645 Tool Kit (CRANKCASE PRESSURE){1317}

Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}
Using the 8T-2700 Blowby/Air Flow Indicator{0781, 0785, 1317}

420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}
420-7630 Main Bearing Cap Lifting Device{0599, 0629, 0632, 0701, 1201, 1203, 1230}

Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}

Service Letter-China

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING SEAL KITS THAT ARE INCLUDED WITH THE CLASSIC LINER KITS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING SEAL KITS THAT ARE INCLUDED WITH THE CLASSIC LINER KITS

Service Letter-Asia

Reuse And Salvage Guidelines

Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}
Reuse and Salvage for Cast Iron Cylinder Blocks {1201, 1201}

Reuse and Salvage for 3176, 3300, 3400 & C-Series Engine Cylinder Blocks {0670, 0672, 0761, 1201, 7225}
Reuse and Salvage for 3176, 3300, 3400 & C-Series Engine Cylinder Blocks {0670, 0672, 0761, 1201, 7225}

Reuse and Salvage for 3114, 3116, and 3126 Engine Series Cylinder Blocks {1201}
Reuse and Salvage for 3114, 3116, and 3126 Engine Series Cylinder Blocks {1201}

Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}
Inspection and Reconditioning Procedures of Main Bearing Bores in Cylinder Blocks {1201, 1202, 1224, 1224}

Inspection and Reuse Guideline of Cylinder Liners in Cat Engines {0761, 1201, 1213, 1216, 1216}
Inspection and Reuse Guideline of Cylinder Liners in Cat Engines {0761, 1201, 1213, 1216, 1216}

Using the <NOBR> 6V-7840</NOBR> Deck Checking Tool Assembly {0701, 1201, 7225}
Using the 6V-7840 Deck Checking Tool Assembly {0701, 1201, 7225}

Cylinder Block Salvage Procedure Using Belzona® 1311 (Ceramic R Metal) {0700, 0701, 1000, 1201}
Cylinder Block Salvage Procedure Using Belzona® 1311 (Ceramic R Metal) {0700, 0701, 1000, 1201}

Cylinder Block Cleaning and Audit Procedure {0644, 0680, 0701}
Cylinder Block Cleaning and Audit Procedure {0644, 0680, 0701}

Service Letter-APD

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING SEAL KITS THAT ARE INCLUDED WITH THE CLASSIC LINER KITS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING SEAL KITS THAT ARE INCLUDED WITH THE CLASSIC LINER KITS

Disassembly and Assembly

Crankshaft Main Bearings
3304 VEHICULAR ENGINE FOR 955L TRACK-TYPE LOADER

Valve Guides, Cylinder Liners
3304 VEHICULAR ENGINE FOR 955L TRACK-TYPE LOADER

Cylinder Liners
3304 VEHICULAR ENGINE FOR 955L TRACK-TYPE LOADER

Camshaft Bearings
3304 VEHICULAR ENGINE FOR 955L TRACK-TYPE LOADER

Service Magazine

Use Of A Flex-Hone For Cylinder Liner Reconditioning{0664,0674,1216}
1981/12/21

Use New Special Instruction To Install 5P6595 Insert In Cylinder Liner Seats{1216,0621}
1982/05/03

Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03

Service Information For Easier Use Of The 6V3100 Timing Indicator Group{0651,1250,1156,1157}
1982/10/11

Use FT1711 Light Table For Cylinder Liner Inspection {0652,1216}
1982/11/29

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29

Procedure To Clean Oil Passages In Crankshafts And Cylinder Blocks{0622,0675,1201,1202}
1983/05/16

Reuse Of Engine Bearings{1230}
1983/05/16

Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08

New Indicator Instrument Group Available To Measure Crankcase Blowby And Radiator Air Velocity{0781,1200,1350}
1986/10/27

Cylinder Head Water Directors No Longer Needed In Direct Injection Engines {1115}
1987/03/09

Additional Guidelines For Using The 8T2700 Blowby/Air Flow Indicator Group {0781,1200,1350}
1987/07/20

Remanufactured Short Blocks Available For All 3304 Engines {1200}
1987/08/03

5P8665 Cylinder Liner Puller Makes Liner Removal Easier And Faster{0621,1216}
1978/01/09

Use New Main Bearings In Replacement Cylinder Blocks{1203,1201}
1978/06/12

New Information On Reusable Cylinder Liners{1216}
1978/06/19

Change In Procedure To Check Main Bearing Clearance{1203}
1978/08/28

New Centering Rings For Oversized Main Bearings{0665,1230}
1979/06/04

New Specification For Installation Of Camshaft Front Bearing In Cylinder Block{1211}
1979/06/11

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

Pin Bore Is Now Offset (Not In The Center) .059" (1.5 mm) In The Piston To Stop Vibration Of The Cylinder Liners Which Can Cause Pitting On The Coolant Side Of The Cylinder Liners {1214,1216}
1979/09/10

Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17

Use Only Stainless Steel Cylinder Liner Shims To Salvage Damaged 4.75" Bore Cylinder Blocks{1201,1216,1217}
1990/11/19

Checking Crankshaft Journal Surface Hardness On Remanufactured Crankshafts{1202}
1991/01/07

Correction For Camshaft And Valve Seat Specifications{1210,1103}
1992/07/20

Be Sure To Use Correct Cup Plugs On 0R2077, 0R2554, And 0R3258 Remanufactured Short Blocks{1200,1201}
1992/11/23

Cylinder Pack Puller Groups Improved {0705,1239}
1993/01/18

Camshaft And Follower Lubricant Recommended During Rebuild And Assembly Of Engines {1210,1211}
1999/01/18

Improved Seal Kits for Cylinder Liner Kits {1216}
2005/11/14

Caterpillar Parts SIS Catalog 955L :

7N-8014 CYLINDER BLOCK GP

7N-1088 COVER GP-CYLINDER BLOCK

6A-6610 COVER GP-CYLINDER BLOCK

6A-3834 CYLINDER BLOCK GP

5C-1597 ENGINE ARRANGEMENT-WITH SOUND SUPPRESSION

6A-7359 ENGINE ARRANGEMENT

7N-6552 CYLINDER BLOCK AS

1N-3574 CYLINDER BLOCK GP

4N-7692 CRANKSHAFT AS

2P-6218 CRANKSHAFT GP

6N-8080 CRANKSHAFT GP

2P-6223 SEAL GP-CRANKSHAFT

CRANKSHAFT BEARING REPLACEMENTS

2P-6224 SEAL GP-CRANKSHAFT

Truck sale:

Caterpillar 955L
- track loaders
FOLEY EQUIPMENT COMPANY

19,200

Caterpillar 955L, Construction
- track loaders
FOLEY EQUIPMENT COMPANY

Caterpillar 955L, Construction
- track loaders
NMC

Caterpillar 955L, Construction
- track loaders
FABICK CAT

17,000

Caterpillar 955L, Construction
- track loaders
HOLT CAT

6A6669 CYLINDER BLOCK ASSEMBLY ENGINE SERIAL NO. 48V35434 TO 48V52798 INCLUSIVE PART OF 6A3834 CYLINDER BLOCK GROUP SHOWN ON PAGE 8 955L

BASIC ENGINE

6A-6669: CYLINDER BLOCK AS

Parts for your 955L TRACK LOADER:

7N-6552: CYLINDER BLOCK AS

Parts for your 955L TRACK LOADER:

1N-3574: CYLINDER BLOCK GP

Parts for your 955L TRACK LOADER:

4N-7692: CRANKSHAFT AS

Parts for your 955L TRACK LOADER:

2P-6218: CRANKSHAFT GP

Parts for your 955L TRACK LOADER:

6N-8080: CRANKSHAFT GP

Parts for your 955L TRACK LOADER:

2P-6223: SEAL GP-CRANKSHAFT

Parts for your 955L TRACK LOADER:

CRANKSHAFT BEARING REPLACEMENTS

Parts for your 955L TRACK LOADER:

2P-6224: SEAL GP-CRANKSHAFT

Parts for your 955L TRACK LOADER:

2P-6201: CAMSHAFT GP-SINGLE

Parts for your 955L TRACK LOADER:

Information:

Caterpillar Parts SIS Catalog 955L :

Truck sale:

Modal