6Y-2301 CLUTCH GP-TRANSMISSION S/N 7JX800-99999; 4KY451-UP FORWARD PART OF 144-2232, 9W-5126 TRANSMISSION AR 120H

POWER TRAIN

TRANSMISSION GP

0. 6Y-2301 CLUTCH GP-
1. 6Y-2302 CLUTCH GP-
2. 6Y-2305 CLUTCH GP-
3. 8E-9317 CLUTCH GP-

CONTROL GP-DIFFERENTIAL LOCK

4. 8W-5935 CONTROL GP

CONTROL GP-TRANSMISSION HYD

5. 145-9531 CONTROL GP
6. 6Y-7821 CONTROL GP
7. 6Y-7822 CONTROL GP

COOLER GP

8. 117-9571 COOLER GP-

COUPLING GP

9. 6Y-3978 COUPLING G
0. INFORMATION

MOTOR GRADER 120H MOTOR GRADER 2AN
120H Motor Grader 2AN00001-UP (MACHINE) POWERED BY 3116 Engine SEBP2544 120H 2AN (1996)

POWER TRAIN

TRANSMISSION GP

144-2205 CASE & PARTS GP-PLANETARY

9W-5128 CASE & PARTS GP-PLANETARY

6Y-2301 CLUTCH GP-TRANSMISSION

6Y-2302 CLUTCH GP-TRANSMISSION

6Y-2305 CLUTCH GP-TRANSMISSION

8E-9317 CLUTCH GP-TRANSMISSION

#SEBP25440210

6Y-2301: CLUTCH GP-TRANSMISSION

CLUTCH GP-TRANSMISSION

6Y-2301 CLUTCH GP-TRANSMISSION
S/N 7JX800-99999; 4KY451-UP
FORWARD
PART OF 144-2232, 9W-5126 TRANSMISSION AR

i00124702 SEBP2544

6Y2301 CLUTCH GP-TRANSMISSION Parts scheme

For full view, you need register

Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6Y-1885	[1]	SHAFT AS (54-TEETH)
2.	1P-0604	[1]	PLUG-CUP
3.	8E-6140	[2]	VALVE AS
4.	9U-8815	[2]	SPRING
5.	6Y-1114	[2]	LOCKWASHER
6.	6Y-1115	[4]	RING-HALF
7.	8E-8319	[4]	DISC-THRUST
8.	5H-8985	[1]	PIN-SPRING
9.	4M-6107	[1]	BEARING-INNER
10.	8E-9750	[2]	PISTON
11.	8E-1263	[2]	BEARING-ROLLER
12.	6Y-3853	[1]	GEAR AS (50-TEETH)
13.	9W-9901	[2]	HUB AS
14.	6I-8911	[5]	DISC-FRICTION
15.	9U-9995	[6]	PLATE-CLUTCH
16.	8E-5742	[2]	RING-SEAL (INTERNAL)
17.	9W-9371	[2]	RING-SEAL
18.	6I-8641	[1]	RACE & BEARING
19.	7G-4822	[3]	RING-SEAL
20.	6V-1819 M	[2]	BOLT (M10X1.5X100-MM)
21.	6Y-1119	[1]	CARRIER-SEAL
22.	8F-3469	[4]	SEAL-O-RING
23.	7T-4897	[2]	DISC-THRUST
24.	6Y-1116	[1]	GEAR AS (43-TEETH)
25.	110-7723	[6]	PLATE-CLUTCH
26.	6I-8912	[7]	DISC-FRICTION
27.	108-5751	[2]	DISC-FRICTION
28.	9W-2029	[1]	RACE-THRUST BEARING
	M		METRIC PART

#SEBP25440211

6Y-2302: CLUTCH GP-TRANSMISSION

CLUTCH GP-TRANSMISSION

6Y-2302 CLUTCH GP-TRANSMISSION
S/N 7JX800-99999; 4KY451-UP
REVERSE & 2ND
PART OF 144-2232, 9W-5126 TRANSMISSION AR

i00124703 SEBP2544

6Y2302 CLUTCH GP-TRANSMISSION Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6Y-2424	[1]	SHAFT AS (54-TEETH)
2.	1P-0604	[1]	PLUG-CUP
3.	8E-6140	[1]	VALVE AS
4.	9U-8815	[1]	SPRING
5.	6Y-1114	[2]	LOCKWASHER
6.	6Y-1115	[4]	RING-HALF
7.	8E-8319	[4]	DISC-THRUST
8.	7T-4897	[1]	DISC-THRUST
9.	4M-6107	[1]	BEARING-INNER
10.	6Y-3855	[1]	GEAR AS (46-TEETH)
11.	8E-9750	[1]	PISTON
12.	8E-1263	[1]	BEARING-ROLLER
13.	9W-9901	[1]	HUB AS
14.	110-7723	[9]	PLATE-CLUTCH
15.	6I-8912	[11]	DISC-FRICTION
16.	5H-8985	[1]	PIN-SPRING
17.	8E-5742	[2]	RING-SEAL (INTERNAL)
18.	9W-9371	[1]	RING-SEAL
19.	8E-5734	[1]	RING-SEAL EXTENSION
20.	6Y-2299	[1]	SPACER
21.	6Y-0976	[1]	GEAR (29-TEETH)
22.	6Y-2307	[1]	SPACER (61X82.55X43.88-MM THK)
23.	6I-8641	[1]	RACE & BEARING
24.	6Y-1119	[1]	CARRIER-SEAL
25.	6V-1819 M	[2]	BOLT (M10X1.5X100-MM)
26.	7G-4822	[3]	RING-SEAL
27.	8F-3469	[4]	SEAL-O-RING
28.	8E-1908	[1]	GEAR AS (44-TEETH)
29.	6Y-1895	[1]	BUSHING
30.	6Y-1887	[1]	PISTON
31.	102-5881	[1]	SPRING-WAVE
32.	9W-9905	[2]	RING-LOCK
33.	6Y-1891	[1]	HUB AS
34.	9W-2029	[1]	RACE-THRUST BEARING
	M		METRIC PART

#SEBP25440212

6Y-2305: CLUTCH GP-TRANSMISSION

CLUTCH GP-TRANSMISSION

6Y-2305 CLUTCH GP-TRANSMISSION
S/N 7JX800-99999; 4KY451-UP
1ST & 3RD
PART OF 144-2232, 9W-5126 TRANSMISSION AR

i00124705 SEBP2544

6Y2305 CLUTCH GP-TRANSMISSION Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6Y-1878	[1]	SHAFT AS (64-TEETH)
2.	6Y-1001	[1]	GEAR (71-TEETH)(71 TEETH)
3.	8E-1909	[1]	GEAR AS (54-TEETH)
4.	6Y-1895	[1]	BUSHING
5.	3B-8921	[1]	BEARING-INNER
6.	6Y-8285	[1]	RING-SEAL
7.	7T-4897	[2]	DISC-THRUST
8.	6Y-1891	[1]	HUB AS
9.	8E-5734	[2]	RING-SEAL EXTENSION
10.	6Y-1887	[2]	PISTON
11.	5H-8985	[1]	PIN-SPRING
12.	6Y-7932	[10]	DISC-FRICTION
13.	6Y-5632	[8]	PLATE-CLUTCH
14.	6Y-2312	[1]	HUB AS
15.	8E-1910	[1]	GEAR AS (79-TEETH)
16.	6Y-2419	[1]	BUSHING
17.	6I-8641	[1]	RACE & BEARING
18.	7G-4822	[3]	RING-SEAL
19.	6V-1819 M	[2]	BOLT (M10X1.5X100-MM)
20.	6Y-2425	[1]	CARRIER-SEAL
21.	8F-3469	[3]	SEAL-O-RING
22.	7T-4898	[4]	DISC-THRUST
23.	6Y-1115	[4]	RING-HALF
24.	6Y-1114	[2]	LOCKWASHER
25.	9W-9905	[4]	RING-LOCK
26.	102-5881	[2]	SPRING-WAVE
27.	8E-5742	[2]	RING-SEAL (INTERNAL)
28.	6Y-0983	[1]	GEAR (32-TEETH)(32 TEETH)
	M		METRIC PART

#SEBP25440213

8E-9317: CLUTCH GP-TRANSMISSION

CLUTCH GP-TRANSMISSION

8E-9317 CLUTCH GP-TRANSMISSION
S/N 7JX800-99999; 4KY451-UP
HI & LO
PART OF 144-2232, 9W-5126 TRANSMISSION AR

i00124785 SEBP2544

8E9317 CLUTCH GP-TRANSMISSION Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6Y-1864	[1]	SHAFT AS
2.	8M-4295	[15]	SPRING
3.	6Y-2428	[1]	PISTON
4.	6Y-1890	[1]	RING-RETAINING
5.	9W-9905	[4]	RING-LOCK
6.	6Y-1114	[2]	LOCKWASHER
7.	6Y-1115	[4]	RING-HALF
8.	8E-8319	[4]	DISC-THRUST
9.	7T-4897	[1]	DISC-THRUST
10.	3B-8921	[1]	BEARING-INNER
11.	8E-1911	[1]	GEAR AS (82-TEETH)(82 TEETH)
12.	9W-6467	[2]	BUSHING
13.	6Y-7981	[7]	DISC-FRICTION
14.	3P-0337	[8]	PLATE-CLUTCH
15.	8E-5736	[2]	RING-SEAL EXTENSION
16.	6Y-2429	[1]	PISTON-BALANCE
17.	102-5881	[1]	SPRING-WAVE
18.	8E-5742	[2]	RING-SEAL (INTERNAL)
19.	8E-5734	[1]	RING-SEAL EXTENSION
20.	110-7723	[5]	PLATE-CLUTCH
21.	6I-8912	[6]	DISC-FRICTION
22.	8E-1912	[1]	GEAR AS (43 TEETH)
23.	9W-6467	[2]	BUSHING
24.	6I-8641	[1]	RACE & BEARING
25.	6Y-2425	[1]	CARRIER-SEAL
26.	6V-1819 M	[2]	BOLT (M10X1.5X100-MM)
27.	7G-4822	[3]	RING-SEAL
28.	8F-3469	[3]	SEAL-O-RING
29.	6Y-2312	[1]	HUB AS
30.	5H-8985	[1]	PIN-SPRING
31.	6Y-1887	[1]	PISTON
32.	6Y-2430	[1]	HUB AS
33.	8E-1161	[1]	ROTOR
	M		METRIC PART

#SEBP25440214

8W-5935: CONTROL GP-DIFFERENTIAL LOCK

CONTROL GP-DIFFERENTIAL LOCK

8W-5935 CONTROL GP-DIFFERENTIAL LOCK
S/N 2AN1-UP
PART OF 2C-9623 CHASSIS AR

i00124824 SEBP2544

8W5935 CONTROL GP-DIFFERENTIAL LOCK Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7T-9073 Y	[1]	VALVE & MTG GP-DIFF LOCK
2.	8M-4438	[2]	SEAL-O-RING
3.	136-1892	[1]	PLATE
4.	8X-5492	[1]	TUBE
5.	4J-2506	[2]	SEAL-O-RING
6.	5P-7981	[2]	ELBOW
7.	3J-7354	[3]	SEAL-O-RING
8.	7J-6729 I	[1]	HOSE AS
9.	8T-2501	[2]	BOLT (3/8-16X2-IN)
10.	8T-4896	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
11.	135-9941	[1]	ADAPTER
12.	6V-3965	[1]	FITTING (QUICK DISCONNECT)
13.	3J-1907	[2]	SEAL-O-RING
14.	6V-0852	[1]	CAP-DUST
15.	4P-8134	[1]	CLIP (LADDER)
16.	9X-6772	[1]	STRAP-CABLE
17.	5D-1260 I	[1]	HOSE AS
18.	5P-7982	[1]	ELBOW (9/16-18-THD)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	Y		SEPARATE ILLUSTRATION

#SEBP25440215

145-9531: CONTROL GP-TRANSMISSION HYD

CONTROL GP-TRANSMISSION HYD

145-9531 CONTROL GP-TRANSMISSION HYD
S/N 4KY451-UP
PART OF 144-2232 TRANSMISSION AR

i00640561 SEBP2544

1459531 CONTROL GP-TRANSMISSION HYD Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	145-9533 Y	[1]	VALVE GP-TRANSMISSION CONTROL
2.	6V-3918 M	[5]	BOLT (M8X1.25X50-MM)
3.	9P-9150	[66]	WASHER (8.25X18X0.84-MM THK)
4.	1T-0738	[33]	WASHER (8.4X19X1.83-MM THK)
5.	8C-4984 M	[14]	BOLT (M8X1.25X150-MM)
6.	3E-8005 M	[14]	BOLT (M8X1.25X160-MM)
7.	4S-5879	[1]	SEAL-O-RING
8.	147-1771	[1]	HARNESS AS-TRANSMISSION
9.	8T-0639 M	[3]	BOLT (M6X1X12-MM)
10.	111-7088	[1]	SWITCH AS-PRESSURE
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9738	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
11.	144-2231	[1]	CLIP
12.	9M-1974	[1]	WASHER-HARD (8.8X16X2-MM THK)
13.	6V-5217 M	[3]	BOLT (M8X1.25X20-MM)
14.	3J-1907	[2]	SEAL-O-RING
15.	6V-0484	[1]	ELBOW
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP25440216

6Y-7821: CONTROL GP-TRANSMISSION HYD

CONTROL GP-TRANSMISSION HYD

6Y-7821 CONTROL GP-TRANSMISSION HYD
S/N 7JX800-99999
PART OF 9W-5126 TRANSMISSION AR

i00124708 SEBP2544

6Y7821 CONTROL GP-TRANSMISSION HYD Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6Y-7822 Y	[1]	CONTROL GP-TRANSMISSION HYD
2.	6V-3918 M	[5]	BOLT (M8X1.25X50-MM)
3.	9P-9150	[66]	WASHER (8.25X18X0.84-MM THK)
4.	1T-0738	[33]	WASHER (8.4X19X1.83-MM THK)
5.	8C-4984 M	[14]	BOLT (M8X1.25X150-MM)
6.	3E-8005 M	[14]	BOLT (M8X1.25X160-MM)
7.	4S-5879	[1]	SEAL-O-RING
8.	9U-9312	[1]	HARNESS AS-SOLENOID
9.	8T-0639 M	[2]	BOLT (M6X1X12-MM)
10.	111-7088	[1]	SWITCH AS-PRESSURE
	7N-7779	[1]	SOCKET-CONNECTOR (14-GA TO 18-GA)
	7N-7780	[1]	PIN-CONNECTOR (14-GA TO 18-GA)
	7N-9738	[1]	HOUSING-RECEPTACLE (14-GA TO 18-GA)
11.	9G-9150	[1]	CLIP
12.	9M-1974	[1]	WASHER-HARD (8.8X16X2-MM THK)
13.	6V-5217 M	[4]	BOLT (M8X1.25X20-MM)
14.	3J-1907	[1]	SEAL-O-RING
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP25440217

6Y-7822: CONTROL GP-TRANSMISSION HYD

CONTROL GP-TRANSMISSION HYD

6Y-7822 CONTROL GP-TRANSMISSION HYD
S/N 7JX800-99999
PART OF 6Y-7821 CONTROL GP-TRANSMISSION HYD

i00124709 SEBP2544

6Y7822 CONTROL GP-TRANSMISSION HYD Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6Y-7823 Y	[1]	VALVE GP-SELECTOR & PRESS CONT (TRANSMISSION)
2.	8E-9476	[1]	PLATE
3.	6Y-7824 Y	[1]	VALVE GP-SELECTOR & PRESS CONT (TRANSMISSION)
4.	110-5161	[1]	MANIFOLD
5.	8E-9478	[1]	PLATE
6.	8E-9474	[1]	COVER
7.	6I-9395	[1]	SCREEN
8.	6V-5217 M	[1]	BOLT (M8X1.25X20-MM)
9.	6V-3965	[8]	FITTING (QUICK DISCONNECT)
10.	3J-1907	[9]	SEAL-O-RING
11.	6V-0852	[8]	CAP-DUST
12.	6Y-2584	[1]	RETAINER
13.	6I-8823	[1]	PLATE-SOLENOID CHART
14.	1T-0738	[2]	WASHER (8.4X19X1.83-MM THK)
15.	9P-9150	[4]	WASHER (8.25X18X0.84-MM THK)
16.	3E-8006 M	[2]	BOLT (M8X1.25X130-MM)
17.	3J-6956	[1]	SPRING
18.	9L-9068	[6]	DOWEL
19.	8F-6230	[1]	SEAL-O-RING
20.	4D-6695	[4]	SEAL-O-RING
21.	6Y-4978	[1]	POPPET
22.	4D-1322	[1]	RING-RETAINING
23.	9S-4191	[1]	PLUG (9/16-18-THD)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP25440218

117-9571: COOLER GP-TRANSMISSION OIL

COOLER GP-TRANSMISSION OIL

117-9571 COOLER GP-TRANSMISSION OIL
S/N 2AN1-UP
PART OF 112-5820 INSTALLATION AR-ENGINE

i00125067 SEBP2544

For full view, you need register

Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
5S-7383	[4]	BOLT (3/8-16X1.75-IN)
1W-0289	[1]	CORE AS-OIL COOLER
111-9959	[2]	PLUG-PIPE
101-3120	[4]	SPACER (10.5X25X20-MM THK)
5P-1075	[4]	WASHER-HARD (10.2X22.5X3-MM THK)

#SEBP25440219

6Y-3978: COUPLING GP-TORSIONAL

COUPLING GP-TORSIONAL

6Y-3978 COUPLING GP-TORSIONAL
S/N 2AN1-UP
PART OF 115-4848 POWER TRAIN AR

i00124707 SEBP2544

6Y3978 COUPLING GP-TORSIONAL Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8E-1368	[1]	COUPLING AS
2.	6V-1820 M	[12]	BOLT (M10X1.5X30-MM)
	M		METRIC PART

Information:

POWER TRAIN

TRANSMISSION GP

Operation and Maintenance Manual

Transmission and Differential Oil - Change
120H Motor Grader

Transmission and Differential Oil Sample - Obtain
120H Motor Grader

Transmission and Differential Oil Level - Check
120H Motor Grader

Service Letter-NACD

Product Support Program For Replacing The 9X7876 Coil Assemblies On The Transmissions Of Certain 12H, 120H, 135H, 140H, 143H, 160H And 163H Motor Graders
Product Support Program For Replacing The 9X7876 Coil Assemblies On The Transmissions Of Certain 12H, 120H, 135H, 140H, 143H, 160H And 163H Motor Graders

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

PRODUCT SUPPORT PROGRAM FOR DIRECTIONAL CLUTCH FAILURES ON CERTAIN 12H, 120H, 135H, 140H, 143H, 160H, AND 163H MOTOR GRADERS
PRODUCT SUPPORT PROGRAM FOR DIRECTIONAL CLUTCH FAILURES ON CERTAIN 12H, 120H, 135H, 140H, 143H, 160H, AND 163H MOTOR GRADERS

Product Support Program For Replacing The Transmission Manual Modulation Pressure Switches On Certain 120H, 135H, 140H, 143H, 160H, 163H, And 12H Motor Graders
Product Support Program For Replacing The Transmission Manual Modulation Pressure Switches On Certain 120H, 135H, 140H, 143H, 160H, 163H, And 12H Motor Graders

Service Letter-Australia

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Service Letter-CFEL

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Service Letter-CSARL

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Service Letter-Americas

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Service Letter-Brazil

Technical Information Bulletin

Reverse Clutch May Fail
Reverse Clutch May Fail

Transmission Valve Bodies/Manifolds May Not Be Flat
Transmission Valve Bodies/Manifolds May Not Be Flat

Bond Failure Of The Transmission Friction Disc
Bond Failure Of The Transmission Friction Disc

Failure Of The Number 7 Clutch In The Transmission
Failure Of The Number 7 Clutch In The Transmission

8F-3469 O-Ring Seal Failures May Be Caused by a Transmission Clutch Shaft That Is Too Short
8F-3469 O-Ring Seal Failures May Be Caused by a Transmission Clutch Shaft That Is Too Short

Specifications

Transmission Oil Filter 125-3286
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Transmission Oil Pump 6Y-8764
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Transmission Control Valve Group 6Y-7821
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Transmission 9W-5126
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Transmission Drive Shaft 8W-5621
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Clutch Group (Forward) 6Y-2301
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Clutch Group (Reverse And Second) 6Y-2302
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Clutch Group (Third And First) 6Y-2305
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Clutch Group (Output Gear Group, High And Low) 8E-9317
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Procedure To Measure Running Clearance
120H AUSTRALIAN VERSION MOTOR GRADER POWER TRAIN

Transmission Case
120H and 135H Motor Graders Power Train

Transmission
120H and 135H Motor Graders Power Train

Tool Operating Manual

425-0720 Lifting Fixture Assembly{0599, 0629, 0632, 3063, 3155}
425-0720 Lifting Fixture Assembly{0599, 0629, 0632, 3063, 3155}

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Service Letter-China

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Service Letter-Asia

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Systems Operation

Transmission
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

Reuse And Salvage Guidelines

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Transmission Clutch Plates and Disc Assemblies with Cellulose Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Cellulose Friction Material {3030, 3155, 3190}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Transmission Reuse and Salvage Manual Contents {0374, 3030}
Transmission Reuse and Salvage Manual Contents {0374, 3030}

Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}

Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}

Reuse and Salvage of Transmission Components {3030}
Reuse and Salvage of Transmission Components {3030}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}
Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}

Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}
Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}

Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Contamination Control Guidelines

Filtration Procedure for Transmission Oil on Motor Graders Without Ecology Drain {0680, 0768, 3030}
Filtration Procedure for Transmission Oil on Motor Graders Without Ecology Drain {0680, 0768, 3030}

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Service Letter-APD

6Y8285 Seals Need To Be Removed From Dealer Parts Stock
6Y8285 Seals Need To Be Removed From Dealer Parts Stock

Testing and Adjusting

Initial Pressures - Test and Adjust
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

Bench Test Procedures

Bench Test Procedure for a 120H, 12H, 135H, 140H, 143H, 160H, and 163H Motor Grader Transmission {3030, 3073}
Bench Test Procedure for a 120H, 12H, 135H, 140H, 143H, 160H, and 163H Motor Grader Transmission {3030, 3073}

Disassembly and Assembly

Transmission Oil Cooler
SUPPLEMENT FOR 120H & 135H MOTOR GRADERS - 3116 ENGINE

Transmission Speed Sensor
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Oil Filter
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Oil Filter Base
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Magnetic Screen Filter Group
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Magnetic Screen Filter Base
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Oil Pump
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Oil Cooler
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission Hydraulic Control Valve
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission
120H & 135H MOTOR GRADERS POWER TRAIN

Transmission & Transmission Hydraulic Control Valve, Testing and Adjusting
120H & 135H MOTOR GRADERS POWER TRAIN

Service Magazine

Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25

Revised Service Manual Module For Transmission Electronic Control Available {3168,3030}
1997/03/03

Proper Method Of Programming Transmission ECM Transmission Configuration Code Without An ECAP {3168,3030}
1997/04/21

New Solenoid Valve Group For Transmission Selector Valve Group Has Improved Coil For Reliability And Longer Service Life {5066,5479}
1997/07/21

New Service Tool Available For Adjusting Transmission Control Valve Initial Pressures{3074}
1997/07/28

Transmission Shift Control Group Improved For Reliability And Longer Service Life {3168}
1997/09/15

Reliability Of Transmission Fluid Level Reading Improved With Addition Of Baffle Plate{3081,3080}
1997/10/27

Prodecure To Program Transmission ECM Configuration Code Corrected {3168}
1997/11/10

Use 139-7050 For Initial Pressure Adjustment Procedure{3150}
1998/03/23

Aluminum Spools Used in Transmission Hydraulic Controls {3030,3167}
1998/06/29

New Transmission Control Group (Shift Control) Available With Enhancements For Increased Service Life{3168}
1998/07/20

New Lip Seal In Parking Brake Improves Sealing Of The Transmission Output Shaft {4267,3077}
1998/07/27

New Clutches Reduce Drag And Improve Efficiency{3030,3155}
1998/09/14

Locks Prevent Transmission Suction Tube Bolts From Loosening{3030,3064}
1998/10/12

Revised Special Instruction, REHS0126-02, "Caterpillar Electronic Controls Service Code Information Description List", Available{0374,1901,1927,1930,1948,3168,4348,4802,4808,4810,4812,5511,5701,7490,7494,7601,7602,7610}
1998/11/16

New Transmission Arrangements Available For Parts Service {3030}
1999/05/17

New Relief Valve Has Improved Service Life {3182,3064}
1999/10/18

The Transmission Case has Changed to Accommodate a New Flange Half {3064, 3154}
2000/08/28

The Temperature Switch for the Transmission Has Changed {7413}
2000/08/07

New Shaft Assemblies and a New Hub Improve the Retention of the Hub {3030, 3063, 3132, 3155, 3190}
2000/11/13

Correction to the Service Magazine , "Correction for Clutch Pack Running Clearances" {3132, 3155}
2000/12/25

New Gear Assemblies are now Used in Clutch Groups in the Transmission {3155}
2001/08/27

Puller Holes Have Been Added to Gear Assemblies for the Transmission {3061}
2001/11/26

An Improved Assembly Process Is Used for Installing the Clutch Piston Seals {0720, 3030, 3170}
2004/02/23

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

A New Process for Checking Seal Ring Carrier to Clutch Shaft Clearance {3063, 3155, 3170}
2007/11/19

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

Cat® Reman Announces the Addition of Transmission Clutch Plates for Certain Machine Transmissions {3160}
Cat® Reman Announces the Addition of Transmission Clutch Plates for Certain Machine Transmissions {3160}

New Clutch Pistons Now Available for 120-160 Series M, M2, M3, K, H, and 14 Series L Motor Graders {3030, 3063, 3155, 3170}
New Clutch Pistons Now Available for 120-160 Series M, M2, M3, K, H, and 14 Series L Motor Graders {3030, 3063, 3155, 3170}

Caterpillar Parts SIS Catalog 120H :

8X-2924 CHAIN GP-DRIVE

8X-1854 CHAIN GP-DRIVE

9W-5128 CASE & PARTS GP-PLANETARY

144-2205 CASE & PARTS GP-PLANETARY

8X-7708 WIRING GP-STEERING CONSOLE

6Y-2302 CLUTCH GP-TRANSMISSION

6Y-2305 CLUTCH GP-TRANSMISSION

8E-9317 CLUTCH GP-TRANSMISSION

8W-5935 CONTROL GP-DIFFERENTIAL LOCK

145-9531 CONTROL GP-TRANSMISSION HYD

6Y-7821 CONTROL GP-TRANSMISSION HYD

6Y-7822 CONTROL GP-TRANSMISSION HYD

117-9571 COOLER GP-TRANSMISSION OIL

Truck sale:

Caterpillar 120H
- motor graders
CAVPOWER

105,000

Caterpillar 120H, motor graders, Construction

105,000

Caterpillar 120H, motor graders, Construction

105,000

Caterpillar 120H, motor graders, Construction

RING POWER CORP.

Caterpillar 120H, motorgrader mijnbouw, Bouw

CGT - COMPAGNIA GENERALE TRATTORI