249-5299 CYLINDER GP-WHEEL LEAN S/N B9F1-UP 88.9-MM (3.5-IN) BORE X 149-MM (5.8-IN) STROKE PART OF 260-8713 CYLINDER & MTG GP-WHEEL LEAN 12M

HYDRAULIC SYSTEM

CYLINDER GP

0. 249-5299 CYLINDER G

DRIVE GP

1. 253-4677 DRIVE GP-C
2. 253-4677 DRIVE GP-C

HYDRAULIC GP

3. 265-9049 FAN AR-HYD

FILTER GP

4. 250-3507 FILTER & M
5. 191-9784 FILTER GP-
6. 249-2307 FILTER GP-
7. 249-2307 FILTER GP-

HYDRAULIC GP

8. 248-0442 HYDRAULIC

LINES GP-HYDRAULIC

9. 246-6096 LINES GP-C
0. INFORMATION

MOTOR GRADER 12M MOTOR GRADER B9F
12M Motor Grader B9F00001-UP (MACHINE) POWERED BY C6.6 Engine SEBP4979 12M B9F (2007)

HYDRAULIC SYSTEM

CYLINDER GP

249-4116 CYLINDER GP-SIDESHIFT

255-8715 CYLINDER GP-STEERING

249-5299 CYLINDER GP-WHEEL LEAN

217-3501 CYLINDER GP-HYDRAULIC

314-9338 CYLINDER GP-HYDRAULIC

#SEBP49790810

249-5299: CYLINDER GP-WHEEL LEAN

CYLINDER GP-WHEEL LEAN

249-5299 CYLINDER GP-WHEEL LEAN
S/N B9F1-UP
88.9-MM (3.5-IN) BORE X 149-MM (5.8-IN) STROKE
PART OF 260-8713 CYLINDER & MTG GP-WHEEL LEAN

i02786109 SEBP4979

2495299 CYLINDER GP-WHEEL LEAN Parts scheme

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	251-1550	[1]	CYLINDER AS
1A.	2G-8631	[1]	BUSHING
2.	173-9683 M	[1]	BOLT (M30X3.5X90-MM)
3.	9X-8399	[1]	WASHER (33X56X6-MM THK)
4.	4T-8054 J	[1]	SEAL AS
5.	7J-9885 J	[1]	RING-WEAR
6.	9T-9040	[1]	PISTON
7.	175-7898 J	[1]	SEAL-O-RING
8.	1S-0669 J	[1]	RING (BACKUP)
9.	6E-4974	[1]	HEAD
	308-1845	[1]	SEAL-WIPER
10.	121-9245	[1]	ROD AS
10A.	2G-8631	[1]	BUSHING
11.	308-1845 J	[1]	SEAL-WIPER
12.	356-8331 J	[1]	SEAL-U-CUP
13.	289-2935 J	[1]	SEAL AS-BUFFER
14.	4T-5613 J	[1]	RING-WEAR

			AVAILABLE REPAIR KIT(S):
	376-9011 J	[1]	KIT-HYD CYLINDER SEAL
			(INCLUDES RINGS & SEALS)
			(FOR USE WITH REHS1392)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49790811

253-4677: DRIVE GP-CIRCLE

DRIVE GP-CIRCLE

253-4677 DRIVE GP-CIRCLE
S/N B9F1-686
PART OF 276-1420 COMMON AR

i02774654 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-4038	[2]	CUP-BEARING
2.	1B-4046	[2]	CONE-BEARING
3.	2G-0478	[5]	PLATE-CLUTCH
4.	2G-6695	[1]	BRACKET
5.	5K-5288	[1]	SEAL GP-DUO-CONE
	5K-5129	[2]	RING-SEALING
6.	6G-5533	[1]	GEAR-WORM (36-TEETH)
7.	6G-5534	[1]	COVER AS
	6G-5537	[1]	BEARING
8.	6G-5538	[1]	COVER
9.	6G-5542	[2]	SPACER (119.2X178X9.3-MM THK)
10.	6G-6122	[1]	SPRING-DISC
11.	6Y-7953	[6]	DISC-FRICTION
12.	7D-8983 B	[10]	SHIM (0.005-IN THK)
13.	7D-8984 B	[6]	SHIM (0.007-IN THK)
14.	8D-7423	[1]	WASHER-SPECIAL (81.03X48.41X1.6MM THK)
15.	8D-7424	[1]	SPACER (48X81X6-MM THK)
16.	8T-0336	[1]	FITTING-PRESSURE RELIEF
17.	312-0782	[1]	WORM-CIRCLE DRIVE
18.	9D-1491	[1]	COUPLING
19.	105-3196 Y	[1]	MOTOR GP-GEROTOR (CIRCLE DRIVE)
20.	253-4678	[1]	HOUSING AS-DRIVE
	2D-8154	[4]	STUD-TAPERLOCK (1/2-13X2.36-IN)
	8D-7426	[1]	BUSHING
	160-0011 M	[4]	STUD-TAPERLOCK (M20X2.5X85-MM)
21.	261-8553	[1]	PINION-CIRCLE DRIVE
22.	307-1958	[1]	SHAFT-PINION DRIVE
23.	307-1959 B	[6]	SHIM (0.13-MM THK)
24.	307-1960 B	[1]	SHIM (0.25-MM THK)
25.	307-1961	[1]	PLATE
26.	307-1962 B	[4]	SHIM (0.5-MM THK)
27.	0S-1585	[4]	BOLT (1/2-13X1.5-IN)
28.	1A-1415	[1]	NUT (1-7/8-12-THD)
29.	1B-5174	[1]	PLUG-PIPE
30.	1F-7958	[4]	NUT-FULL (1/2-13-THD)
31.	1H-7339	[1]	SEAL-O-RING
32.	2B-7410	[1]	PLUG-PIPE (OIL DRAIN)
33.	2H-9247	[1]	SEAL-O-RING
34.	4F-9653	[1]	SEAL-O-RING
35.	4H-6996	[1]	PIN-SPRING
36.	5H-4909	[1]	SEAL-O-RING
37.	5K-8454	[3]	BOLT (1/2-13X1.12-IN)
38.	5P-8245	[16]	WASHER-HARD (13.5X25.5X3-MM THK)
39.	5S-7379	[4]	BOLT (3/8-16X0.875-IN)
40.	6G-5539	[1]	GASKET
41.	6G-5548	[1]	SPACER (69.5X89X0.8-MM THK)
42.	6H-1717	[5]	BOLT (1/2-13X1.125-IN)
43.	6V-5686 M	[3]	BOLT (M16X2X50-MM)
44.	8D-5054	[3]	WASHER-HARD (17X30X3-MM THK)
45.	8D-7425	[2]	WASHER-THRUST (2.81X4.25X0.12-IN THK)
46.	8T-4896	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)
	B		USE AS REQUIRED
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP49790812

253-4677: DRIVE GP-CIRCLE

DRIVE GP-CIRCLE

253-4677 DRIVE GP-CIRCLE
S/N B9F687-UP
PART OF 276-1420, 349-2550 COMMON AR

i04035875 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-4038	[2]	CUP-BEARING
2.	1B-4046	[2]	CONE-BEARING
3.	2G-0478	[5]	PLATE-CLUTCH
4.	2G-6695	[1]	BRACKET
5.	5K-5288	[1]	SEAL GP-DUO-CONE
	5K-5129	[2]	RING-SEALING
6.	323-8674 C	[1]	GEAR-WORM (36-TEETH)
7.	6G-5534	[1]	COVER AS
	6G-5537	[1]	BEARING
8.	6G-5538	[1]	COVER
9.	6G-5542	[2]	SPACER (119.2X178X9.3-MM THK)
10.	6G-6122	[1]	SPRING-DISC
11.	6Y-7953	[6]	DISC-FRICTION
12.	7D-8983 B	[10]	SHIM (0.005-IN THK)
13.	7D-8984 B	[6]	SHIM (0.007-IN THK)
14.	8D-7423	[1]	WASHER-SPECIAL (81.03X48.41X1.6MM THK)
15.	8D-7424	[1]	SPACER (48X81X6-MM THK)
16.	8T-0336	[1]	FITTING-PRESSURE RELIEF
17.	323-8675 C	[1]	WORM-CIRCLE DRIVE
18.	9D-1491	[1]	COUPLING
19.	105-3196 Y	[1]	MOTOR GP-GEROTOR (CIRCLE DRIVE)
20.	253-4678	[1]	HOUSING AS-DRIVE
	2D-8154	[4]	STUD-TAPERLOCK (1/2-13X2.36-IN)
	8D-7426	[1]	BUSHING
	286-2631 M	[4]	STUD-TAPERLOCK (M20X2.5X85-MM)
21.	261-8553	[1]	PINION-CIRCLE DRIVE
22.	307-1958	[1]	SHAFT-PINION DRIVE
23.	307-1959 B	[6]	SHIM (0.13-MM THK)
24.	307-1960 B	[1]	SHIM (0.25-MM THK)
25.	307-1961	[1]	PLATE
26.	307-1962 B	[4]	SHIM (0.5-MM THK)
27.	0S-1585	[4]	BOLT (1/2-13X1.5-IN)
28.	1A-1415	[1]	NUT (1-7/8-12-THD)
29.	1B-5174	[1]	PLUG-PIPE
30.	1F-7958	[4]	NUT-FULL (1/2-13-THD)
31.	1H-7339	[1]	SEAL-O-RING
32.	2B-0858	[1]	PLUG-PIPE (OIL DRAIN)
33.	2H-9247	[1]	SEAL-O-RING
34.	4F-9653	[1]	SEAL-O-RING
35.	4H-6996	[1]	PIN-SPRING
36.	5H-4909	[1]	SEAL-O-RING
37.	5K-8454	[3]	BOLT (1/2-13X1.12-IN)
38.	5P-8245	[16]	WASHER-HARD (13.5X25.5X3-MM THK)
39.	5S-7379	[4]	BOLT (3/8-16X0.875-IN)
40.	6G-5539	[1]	GASKET
41.	6G-5548	[1]	SPACER (69.5X89X0.8-MM THK)
42.	6H-1717	[5]	BOLT (1/2-13X1.125-IN)
43.	6V-5686 M	[3]	BOLT (M16X2X50-MM)
44.	8D-5054	[3]	WASHER-HARD (17X30X3-MM THK)
45.	8D-7425	[2]	WASHER-THRUST (2.81X4.25X0.12-IN THK)
46.	8T-4896	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP49790813

265-9049: FAN AR-HYDRAULIC

FAN AR-HYDRAULIC

265-9049 FAN AR-HYDRAULIC -ALL WHEEL DRIVE
S/N B9F1-UP
HIGH AMBIENT TEMPERATURE COOLING
PART OF 276-1420, 349-2550 COMMON AR

i03600103 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
246-7097 Y	[1]	FAN & MOTOR GP
246-6094 Y	[1]	LINES GP-HYDRAULIC FAN
		S/N B9F1-562
332-3943 Y	[1]	LINES GP-HYDRAULIC FAN (PISTON)
		S/N B9F563-UP
246-6103 Y	[1]	PUMP & MTG GP-PISTON (BRAKE, HYDRAULIC FAN)
267-6246 Y	[1]	WIRING GP-FAN
		S/N B9F1-618
Y		SEPARATE ILLUSTRATION

#SEBP49790814

250-3507: FILTER & MTG GP-HYDRAULIC

FILTER & MTG GP-HYDRAULIC

250-3507 FILTER & MTG GP-HYDRAULIC
S/N B9F1-UP
PART OF 246-6034 SERVICE CENTER AR

i02772669 SEBP4979

2503507 FILTER & MTG GP-HYDRAULIC Parts scheme

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	148-8407	[1]	PLUG AS
	9S-4191	[1]	PLUG (9/16-18-THD)
	3J-1907	[1]	SEAL-O-RING
3.	242-0407	[1]	VALVE AS-DRAIN (HYDRAULIC FILTER)
4.	245-7603	[1]	TUBE AS
5.	245-8964	[1]	BLOCK
6.	249-2307 Y	[1]	FILTER GP-OIL (HYDRAULIC TANK RETURN)
7.	257-8897	[1]	HOSE-MOLDED
8.		[2]	PLUG AS
			(EACH INCLUDES)
	9S-4183	[1]	PLUG (1-1/16-12-THD)
	3D-2824	[1]	SEAL-O-RING
9.	156-4283	[1]	CONNECTOR AS
	8T-7926	[1]	CONNECTOR
	6K-6307	[1]	SEAL-O-RING
	8T-0315	[1]	SEAL-O-RING
10.	294-9701	[1]	TUBE AS
11.	294-9702	[1]	TUBE AS
12.	4J-0524	[2]	SEAL-O-RING
13.	7X-2543 M	[2]	BOLT (M10X1.5X120-MM)
14.	8T-4121	[8]	WASHER-HARD (11X21X2.5-MM THK)
15.	8T-4133 M	[2]	NUT (M10X1.5-THD)
16.	8T-4183 M	[8]	BOLT (M12X1.75X40-MM)
17.	8T-4195 M	[4]	BOLT (M10X1.5X30-MM)
18.	8T-4223	[8]	WASHER-HARD (13.5X25.5X3-MM THK)
19.	8T-6703	[4]	CLAMP-HOSE
20.	8X-5489	[1]	SLEEVE
21.	122-6908 G		HOSE-HYDRAULIC (6.3-IN)
22.	9X-2023 E		HOSE (31-CM)
	E		ORDER BY THE CENTIMETER
	G		ORDER BY THE INCH
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP49790815

191-9784: FILTER GP-OIL

FILTER GP-OIL

191-9784 FILTER GP-OIL
S/N B9F1-UP
PART OF 246-6117, 355-0131 LINES GP-PUMP

i02773400 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1G-8878	[1]	FILTER-OIL (ADVANCED EFFICIENCY)
2.	7X-8549	[1]	SWITCH AS-PRESSURE (FILTER BYPASS)
	3J-1907	[1]	SEAL-O-RING
3.	8C-3451	[1]	CAP-DUST (HYDRAULIC OIL)
4.	183-7264	[1]	VALVE AS-FLUID SAMPLING
5.	3J-1907	[1]	SEAL-O-RING

#SEBP49790816

249-2307: FILTER GP-OIL

FILTER GP-OIL

249-2307 FILTER GP-OIL -HYDRAULIC TANK RETURN
S/N B9F1-UP
INTERNAL BYPASS
PART OF 250-3507 FILTER & MTG GP-HYDRAULIC
Type 1

i02772812 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1R-1809	[1]	FILTER ELEMENT AS-OIL (ULTRA HIGH EFFICIENCY)(HYDRAULIC TANK)
2.	241-3352	[1]	HOUSING AS (OIL FILTER)
	3J-1907	[1]	SEAL-O-RING
	9S-8004	[1]	PLUG (9/16-18-THD)
3.	249-2308 Y	[1]	BASE GP-OIL FILTER (INTERNAL BYPASS)
4.	3J-1907	[1]	SEAL-O-RING
5.	3J-7354	[1]	SEAL-O-RING
6.	9S-4182	[1]	PLUG (7/16-20-THD)
7.	9S-4191	[1]	PLUG (9/16-18-THD)
8.	130-0229	[1]	SEAL-O-RING
9.	316-5366	[1]	RING-BACKUP
	Y		SEPARATE ILLUSTRATION

#SEBP49790817

249-2307: FILTER GP-OIL

FILTER GP-OIL

249-2307 FILTER GP-OIL -HYDRAULIC TANK RETURN
S/N B9F1-UP
INTERNAL BYPASS
PART OF 250-3507 FILTER & MTG GP-HYDRAULIC
Type 2

i02964428 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	338-3540	[1]	FILTER ELEMENT-OIL (ULTRA HIGH EFFICIENCY)(HYDRAULIC TANK)
2.	321-5967 C	[1]	HOUSING GP-FILTER (OIL)
	9S-8004	[1]	PLUG (9/16-18-THD)
	214-7568	[1]	SEAL-O-RING
3.	249-2308 Y	[1]	BASE GP-OIL FILTER (HYDRAULIC TANK RETURN)
4.	214-7568	[1]	SEAL-O-RING
5.	6V-5048	[1]	SEAL-O-RING
6.	9S-4185	[1]	PLUG (3/4-16-THD)
7.	9S-4191	[1]	PLUG (9/16-18-THD)
8.	130-0229	[1]	SEAL-O-RING

	8L-2786 F	[1]	SEAL-O-RING
	C		CHANGE FROM PREVIOUS TYPE
	F		NOT SHOWN
	Y		SEPARATE ILLUSTRATION

#SEBP49790818

248-0442: HYDRAULIC AR

HYDRAULIC AR

248-0442 HYDRAULIC AR -NON-AWD
S/N B9F1-UP

i02783038 SEBP4979

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	141-6968	[1]	FILM-IDENTIFICATION (BIODEGRADABLE HYDRAULIC OIL)
			(ATTACH FILM NEAR IMPLEMENT OIL FILL)

#SEBP49790819

246-6096: LINES GP-CENTERSHIFT LOCK

LINES GP-CENTERSHIFT LOCK

246-6096 LINES GP-CENTERSHIFT LOCK
S/N B9F1-616
PART OF 276-1420 COMMON AR

i02793449 SEBP4979

2466096 LINES GP-CENTERSHIFT LOCK Parts scheme

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Parts for your 12M MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	205-5596	[2]	SPACER (11X15X35-MM THK)
2.	110-5266	[1]	ORIFICE (1.6-MM)
3.	192-1298 I	[1]	HOSE AS
4.	265-3929 I	[1]	HOSE AS
5.	266-8171 I	[1]	HOSE AS
6.	148-8336	[2]	CONNECTOR AS
			(EACH INCLUDES)
	6V-8636	[1]	CONNECTOR
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
7.	148-8367	[1]	ELBOW AS
	6V-9850	[1]	ELBOW
	6V-8397	[1]	SEAL-O-RING
8.	148-8378	[1]	ELBOW AS
	6V-8724	[1]	ELBOW
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
9.	231-0336 M	[1]	STUD-TAPERLOCK (M10X1.5X70-MM)
10.	1S-0994	[1]	CLIP (LOOP)
11.	3J-1907	[1]	SEAL-O-RING
12.	4D-7735	[2]	CLIP
13.	6V-8397	[1]	SEAL-O-RING
14.	8T-4121	[3]	WASHER-HARD (11X21X2.5-MM THK)
15.	8T-4133 M	[2]	NUT (M10X1.5-THD)
16.	8T-4137 M	[1]	BOLT (M10X1.5X20-MM)
17.	259-7140 M	[1]	STUD-TAPERLOCK (M10X1.5X80-MM)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

Information:

HYDRAULIC SYSTEM

CYLINDER GP

Operation and Maintenance Manual

Blade Lift Cylinder Socket - Lubricate
120M and 12M Motor Graders

Centershift Cylinder Socket - Lubricate
120M and 12M Motor Graders

Ripper Cylinder Bearings - Lubricate
120M and 12M Motor Graders

Steering Cylinder Ends and Tie Rods - Lubricate
120M and 12M Motor Graders

Wheel Lean Bearings - Lubricate
120M and 12M Motor Graders

Blade Lift Cylinder Socket - Check/Adjust/Replace
120M and 12M Motor Graders

Centershift Cylinder Socket - Check/Adjust/Replace
120M and 12M Motor Graders

Special Instruction

Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}

Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

MANUAL INSTALLATION OF STEERING CYLINDER POSITION SENSOR SETUP PARAMETERS{430S}
MANUAL INSTALLATION OF STEERING CYLINDER POSITION SENSOR SETUP PARAMETERS{430S}

A Procedure to Calibrate the Steering on Certain Motor Graders{430S, 4313, 4343, 7300, 7451, 7506}
A Procedure to Calibrate the Steering on Certain Motor Graders{430S, 4313, 4343, 7300, 7451, 7506}

Procedure to Rework the Scarifier Bracket Group on Certain Motor Graders{5213, 6162}
Procedure to Rework the Scarifier Bracket Group on Certain Motor Graders{5213, 6162}

Front Axle Steering Cylinder Hose Guard for Certain M Series Motor Graders{7164}
Front Axle Steering Cylinder Hose Guard for Certain M Series Motor Graders{7164}

Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}

Instructions For Installing Steering Cylinders With Position Sensors On Certain Motor Graders {4303, 7620}
Instructions For Installing Steering Cylinders With Position Sensors On Certain Motor Graders {4303, 7620}

Technical Information Bulletin

The "2007A Version 1.1" of CAT ET is Unable to Read Cylinder Trim Files{0785, 4303}
The "2007A Version 1.1" of CAT ET is Unable to Read Cylinder Trim Files{0785, 4303}

Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}

Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}

Drifting May Occur in the Articulation System on Certain M, M Series 2, and M Series 3 Motor Graders {5265}
Drifting May Occur in the Articulation System on Certain M, M Series 2, and M Series 3 Motor Graders {5265}

Specifications

Blade Tip Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Ripper Lift Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Sideshift Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Wheel Lean Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Articulation Cylinder Mounting
120M, 12M, 140M and 160M Motor Graders Machine Systems

Centershift Cylinder Mounting
120M, 12M, 140M and 160M Motor Graders Machine Systems

Blade Lift Cylinder Mounting
120M, 12M, 140M and 160M Motor Graders Machine Systems

Articulation Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Blade Lift Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Steering Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Centershift Cylinder
120M and 12M Motor Graders Hydraulic and Steering System

Tool Operating Manual

Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}

1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}

Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}

Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}

Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}

Reuse And Salvage Guidelines

Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}

Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}

Manual Length Measurement and Calibration of Position Sensors for Steering Cylinders {0738, 0759, 4303}
Manual Length Measurement and Calibration of Position Sensors for Steering Cylinders {0738, 0759, 4303}

Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}

Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}

Contamination Control Guidelines

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}

Applied Failure Analysis

Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}

Testing and Adjusting

Hydraulic Cylinder Drift - Check
120M and 12M Motor Graders Hydraulic and Steering System

Cylinder Cycle Time - Check
120M and 12M Motor Graders Hydraulic and Steering System

Steering System - Purge
120M and 12M Motor Graders Hydraulic and Steering System

Bench Test Procedures

Troubleshooting

MID 082 - CID 2200 - FMI 00
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 03
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 04
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 08
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 13
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 02
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 02
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 03
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 04
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 08
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 13
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 01
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 00
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 01
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2200 - FMI 14
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 082 - CID 2201 - FMI 14
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Implement Electronic Control System

MID 027 - CID 2200 - FMI 00
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 01
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 02
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 03
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 04
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 08
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 13
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2200 - FMI 14
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 00
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 01
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 02
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 03
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 04
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 08
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 13
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

MID 027 - CID 2201 - FMI 14
120M, 12M, 140M, 14M, 160M and 16M Motor Graders Power Train Electronic Control System

Disassembly and Assembly

Centershift Cylinder - Remove and Install
120M and 12M Motor Grader Machine Systems

Sideshift Cylinder - Remove and Install
120M and 12M Motor Grader Machine Systems

Blade Tip Cylinder - Remove and Install
120M and 12M Motor Grader Machine Systems

Blade Lift Cylinder - Remove and Install
120M and 12M Motor Grader Machine Systems

Articulation Cylinder - Remove and Install - Left Side
120M and 12M Motor Grader Machine Systems

Articulation Cylinder - Remove and Install - Right Side
120M and 12M Motor Grader Machine Systems

Wheel Lean Cylinder - Remove and Install
120M and 12M Motor Grader Machine Systems

Steering Cylinder - Remove and Install
120M and 12M Motor Grader Machine Systems

Service Magazine

Improvement to the Boot Seals for the Steering Cylinders on Certain Motor Graders {4303}
2008/03/24

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17

A New Boot Seal is Available for Certain Motor Grader Steering Cylinders {4303}
2009/07/20

Blade Lift Modulation that is Selectable is Available {5063, 5102, 7300, 7451, 7610, 7620}
2009/09/07

New Parts Update the Seal Kit for the Centershift Cylinders and the Lift Cylinders on Certain Motor Graders {5102, 5223}
2009/11/18

A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

New U-Cup Seal are Available with a Narrow Width to Service Cylinders in the Field {4303, 5101, 5102, 5104, 5456, 5457, 5458, 7562}
2010/12/24

Optional Guards are Now Available for Certain M Series and M Series 2 Motor Graders {7164}
2011/11/07

An Updated Procedure is Available for the Blade Tip Cylinder on Certain 120H, 120M, 12H, 12M, 140H, 140M, 143H, 14H, 160H, 160M, 163H, and 16H Motor Graders {5106, 7562}
2011/08/09

Steering Cylinder Bearing Bore Specifications Have Been Updated on Certain Motor Graders {4303}
2011/12/23

Cat® Reman Announces the Availability of Remanufactured Hydraulic Rods and Cylinders for Certain Cat Machines {7562}
2015/02/03

The Assembly Procedure For The Blade Lift Cylinder Has Been Improved On Certain Motor Graders {5102}
2015/02/27

New Steering Cylinders With Position Sensors are Now Available on Certain Motor Graders {4303, 7620}
New Steering Cylinders With Position Sensors are Now Available on Certain Motor Graders {4303, 7620}

Cat® Reman Announces Remanufactured Cylinders For Motor Grader Applications {4303, 5102, 5106, 5211, 5213, 5223, 5229, 5265}
2015/07/21

Improved Blade Lift Cylinder Yoke Bolts Are Now Used On Certain K and M Series Motor Graders {5102}
Improved Blade Lift Cylinder Yoke Bolts Are Now Used On Certain K and M Series Motor Graders {5102}

Caterpillar Parts SIS Catalog 12M :

255-8715 CYLINDER GP-STEERING

249-4116 CYLINDER GP-SIDESHIFT

165-2510 CYLINDER GP-SCARIFIER

326-2227 CYLINDER GP-RIPPER

113-7754 CYLINDER GP-RIPPER

335-1973 CYLINDER GP-LIFT

270-7534 CYLINDER GP-LIFT

316-3308 CYLINDER GP-HYDRAULIC

253-4677 DRIVE GP-CIRCLE

265-9049 FAN AR-HYDRAULIC

250-3507 FILTER & MTG GP-HYDRAULIC

191-9784 FILTER GP-OIL

249-2307 FILTER GP-OIL

248-0442 HYDRAULIC AR

Truck sale:

181,000

Caterpillar 12M2, Construction
- motor graders
YANCEY BROS. CO.
GA

187,500

Caterpillar 12M2, Construction
- motor graders
YANCEY BROS. CO.
GA

289,000

Caterpillar 12M2, Construction
- motor graders
WAGNER EQUIPMENT CO

170,000

Caterpillar 12M2, Construction
- motor graders
YANCEY BROS. CO.
GA

205,000

Caterpillar 12M2, Construction
- motor graders
CAROLINA CAT