3E-8700 SENSOR GP-TEMPERATURE S/N EDB1-UP; BJN1-99999 PART OF 180-9146 CASE & PARTS GP-TRANSMISSION 120H

ELECTRICAL AND STARTING SYSTEM

SENSOR GP

0. 3E-8700 SENSOR GP-

STARTING MOTOR GP

1. 111-4275 STARTING M
2. 207-1517 STARTING M

SWITCH GP

3. 164-7577 SWITCH GP-
4. 7N-0718 SWITCH GP-
5. 167-0138 SWITCH GP-

WIRING GP

6. 161-1022 WIRING GP-
7. 159-5878 WIRING GP-
8. 203-6551 WIRING GP-
9. 159-5839 WIRING GP-
0. INFORMATION

MOTOR GRADER 120H MOTOR GRADER 124
120H Motor Grader 12400001-UP (MACHINE) POWERED BY 3126B Engine SEBP3683 120H 124 (2003)

ELECTRICAL AND STARTING SYSTEM

SENSOR GP

274-7395 SENSOR GP-TEMPERATURE

274-7396 SENSOR GP-TEMPERATURE

3E-8700 SENSOR GP-TEMPERATURE

230-7570 FASTENER GP-GREASE LINES

#SEBP36830160

3E-8700: SENSOR GP-TEMPERATURE

SENSOR GP-TEMPERATURE

3E-8700 SENSOR GP-TEMPERATURE
S/N EDB1-UP; BJN1-99999
PART OF 180-9146 CASE & PARTS GP-TRANSMISSION

i00663568 SEBP3683

3E8700 SENSOR GP-TEMPERATURE Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-8730	[3]	SOCKET-CONNECTOR (16-GA TO 18-GA)
2.	155-2260	[1]	KIT-CONNECTING PLUG (3-PIN)
			(INCLUDES PLUG AS, WEDGE, & INTERFACE SEAL)
4.	9X-1813 E		SLEEVE (34-CM)
5.	3E-3368	[1]	WEDGE-PLUG LOCK (3-PIN)
	E		ORDER BY THE CENTIMETER

#SEBP36830161

111-4275: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

111-4275 STARTING MOTOR GP-ELECTRIC
S/N BMA1-UP
PART OF 199-5055 ENGINE AR-COMPLETE

i01640710 SEBP3683

1114275 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	118-9573 M	[3]	BOLT-12 POINT HEAD (M10X1.5X35-MM)
2.	207-1517 CY	[1]	STARTING MOTOR GP-ELECTRIC
3.	3K-3257	[1]	GASKET
4.	8T-4191 M	[1]	BOLT (M10X1.5X16-MM)
5.	8Y-9603	[1]	CABLE AS-STARTING MOTOR
	1S-7251	[1]	TERMINAL-CABLE (00-GA, 1/2-IN SCREW)
	1S-7252	[1]	TERMINAL-CABLE (00-GA, 3/8-IN SCREW)
	5P-0747 E		CABLE (00-GA, BLACK)(28CM)
6.	8T-4121	[4]	WASHER-HARD (11X21X2.5-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP36830162

207-1517: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

207-1517 STARTING MOTOR GP-ELECTRIC
S/N BMA1-UP
24 VOLT
PART OF 111-4275 STARTING MOTOR GP-ELECTRIC

i01618266 SEBP3683

2071517 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-9884	[1]	KIT-INSULATOR (STARTING MOTOR)
			(INCLUDES INSULATORS & BUSHING)
2.	106-7149	[1]	HOUSING AS
3.	102-9863	[1]	TERMINAL AS
4.	6V-8188	[4]	NUT (1/2-13-THD)
5.	7X-0562	[4]	WASHER-HARD (13.5X19X0.8-MM THK)
6.	3E-7853	[1]	TERMINAL
7.	9X-4821	[1]	PLATE AS
8.	3E-7852	[1]	COIL-STARTING MOTOR (24-VOLT)
9.	7T-3454	[1]	INSULATOR
10.	9X-4271	[1]	CONNECTOR
11.	7T-3451	[1]	KIT-INSULATOR (STARTING MOTOR)
			(INCLUDES INSULATORS & GROMMET)
12.	8T-8569	[1]	INSULATOR-TERMINAL
13.	5S-7349	[4]	BOLT (1/4-20X0.5-IN)
14.	8T-4205	[4]	WASHER-HARD (7.2X14.5X2-MM THK)
15.	7X-1950	[4]	SHOE-POLE
16.	3E-7861	[1]	KIT-LEVER (STARTING MOTOR)
			(INCLUDES LEVER AS, SHAFT AS, GASKET, O-RINGS, RING & NUT)
17.	3R-8797	[8]	SCREW & WASHER AS (3/8-24X0.72-IN)
18.	3E-7855	[1]	ARMATURE AS-STARTER (24-VOLT)
19.	7X-1952	[1]	HOUSING AS-LEVER
20.	4M-1831	[1]	PLUG-LEVER HOUSING
21.	7L-2894	[1]	GASKET
22.	0S-1597	[5]	BOLT (1/4-28X1-IN)
23.	3E-7857	[1]	DRIVE AS-STARTING MOTOR
24.	3E-7858	[1]	HOUSING AS
25.	7X-3373	[6]	BOLT (5/16-18X0.88-IN)
26.	206-8784	[1]	KIT-SOLENOID (24-VOLT)
			(INCLUDES SOLENOID AS, BOLT, CONNECTORS & NUTS)
27.	6V-8378	[2]	NUT (10-32-THD)
28.	8F-1434	[1]	LOCKWASHER
29.	8T-0328	[2]	WASHER-HARD (5.5X10X1-MM THK)
30.	9X-4824	[1]	COVER-STARTING MOTOR
31.	9X-4825	[1]	KIT-BRUSH (24-VOLT)
			(INCLUDES O-RING, SCREWS, BRUSHES & SPRINGS)

			AVAILABLE REPAIR KIT(S):
	3E-7860	[1]	KIT-BUSHING (STARTING MOTOR)
			(INCLUDES BUSHINGS, PLUGS, CUPS, SEAL, NUT, O-RINGS, GASKET, SPACER, WASHERS & SCREW ASSEMBLIES)

#SEBP36830163

164-7577: SWITCH GP-BYPASS

SWITCH GP-BYPASS

164-7577 SWITCH GP-BYPASS -POWERTRAIN OIL FILTER
S/N 1241-UP
PART OF 207-3819 FILTER GP-OIL

i01893393 SEBP3683

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-1813 E		SLEEVE (19CM)
2.	102-8802 J	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
3.	186-3735	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
4.	3E-3365 J	[1]	WEDGE-RECEPTACLE LOCK (2-PIN)
5.	3D-2824	[1]	SEAL-O-RING
6.	Z	[1]	SWITCH AS (POWERTRAIN OIL FILTER BYPASS)
	E		ORDER BY THE CENTIMETER
	J		KIT MARKED J SERVICES PART(S) MARKED J
	Z		NOT SERVICED SEPARATELY

#SEBP36830164

7N-0718: SWITCH GP-DISCONNECT

SWITCH GP-DISCONNECT

7N-0718 SWITCH GP-DISCONNECT
S/N 1241-UP
PART OF 178-0163 WIRING GP-REAR

i00124764 SEBP3683

7N0718 SWITCH GP-DISCONNECT Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8H-5306	[1]	KEY (BATTERY DISCONNECT)(DISCONNECT SWITCH)
2.	8H-5303	[1]	NUT (3/4-16-THD)
3.	2H-3922	[1]	LOCKWASHER
4.	9F-5644	[2]	LOCKWASHER
5.	6F-7045	[2]	NUT-FULL (3/8-24-THD)

#SEBP36830165

167-0138: SWITCH GP-MAGNETIC

SWITCH GP-MAGNETIC

167-0138 SWITCH GP-MAGNETIC -MAIN RELAY-MAIN RELAY
S/N 1241-UP
PART OF 178-0163 WIRING GP-REAR

i01456766 SEBP3683

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4F-2294	[2]	NUT-JAM (5/16-24-THD)
2.	6V-8186	[2]	NUT-FULL (5/16-24-THD)
3.	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS & WEDGE)
4.	8T-8730	[2]	SOCKET-CONNECTOR (16-GA TO 18-GA)
5.	3E-3362	[1]	WEDGE-PLUG LOCK (2-PIN)

#SEBP36830166

161-1022: WIRING GP-BLADE CUSHION

WIRING GP-BLADE CUSHION

161-1022 WIRING GP-BLADE CUSHION
S/N 1241-UP
PART OF 166-3337 ACCUMULATOR AR-BLADE CUSHION
AN ATTACHMENT

i01904312 SEBP3683

1611022 WIRING GP-BLADE CUSHION Parts scheme

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-2093	[2]	STRAP-CABLE
2.	130-5300	[2]	CLIP
3.	169-3147	[1]	HARNESS AS-CHASSIS (BLADE CUSHION)
	102-8802	[4]	KIT-RECEPTACLE (2-PIN)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[4]	KIT-CONNECTING PLUG (2-PIN)
			(INCLUDES PLUG AS & WEDGE)
4.	033-8248	[1]	CLIP (LOOP)
5.	147-0385	[2]	CLIP
6.	4L-6459	[2]	BOLT (3/8-16X2.5-IN)
7.	5P-8167	[1]	BOLT (3/8-16X0.625-IN)
8.	6V-8801	[2]	NUT (3/8-16-THD)
10.	8T-4896	[5]	WASHER-HARD (10.2X18.5X2.5-MM THK)
11.	3E-8763	[1]	SWITCH AS (24-VOLT)(BLADE CUSHION)
	3E-8812	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)(BLADE CUSHION)

#SEBP36830167

159-5878: WIRING GP-CAB

WIRING GP-CAB

159-5878 WIRING GP-CAB
S/N 1241-UP
PART OF 2C-9820 GENERAL AR

i01859451 SEBP3683

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-0109	[3]	PLUG (ROCKER SWITCH)
2.	3E-6389 Y	[1]	LAMP GP-DOME (24-VOLT)
3.	3S-2093	[23]	STRAP-CABLE
4.	4E-4454	[1]	PLUG
5.	6V-6578	[2]	RIVET-BLIND
6.	7T-9302	[2]	KNOB AS-WIPER SWITCH (WASHER)(UPPER/LOWER FRONT)
7.	9W-1441	[1]	FUSE (15-AMPERE)(UPPER/LOWER FRONT WIPERS)
8.	112-6174	[2]	SWITCH GP-ROTARY (WIPER, WASHER)(UPPER/LOWER FRONT WIPERS)
			(EACH INCLUDES)
	2H-3920	[1]	LOCKWASHER
	6V-8369	[1]	NUT (7/16-28-THD)
	186-3735	[6]	PIN-CONNECTOR (16-GA TO 18-GA)
	8T-8737	[2]	PLUG-SEAL
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
9.	160-6382	[1]	GROMMET
10.	167-7504	[1]	HARNESS AS-CAB
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2265	[4]	KIT-CONNECTING PLUG (8-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
11.	167-7505	[1]	HARNESS AS-CAB
	102-8802	[2]	KIT-RECEPTACLE (2-PIN)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2270	[2]	KIT-CONNECTING PLUG (2-PIN)
	155-2274	[1]	KIT-CONNECTING PLUG (6-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
12.	168-8248	[1]	HARNESS AS-CAB
	102-8802	[9]	KIT-RECEPTACLE (2-PIN)
	102-8803	[2]	KIT-RECEPTACLE (3-PIN)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
	102-8801	[2]	KIT-RECEPTACLE (12-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[2]	KIT-CONNECTING PLUG (12-PIN)
	155-2265	[1]	KIT-CONNECTING PLUG (8-PIN)
	155-2270	[9]	KIT-CONNECTING PLUG (2-PIN)
	155-2274	[1]	KIT-CONNECTING PLUG (6-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
	155-2260	[3]	KIT-CONNECTING PLUG (3-PIN)
13.	169-8938	[1]	PLATE AS
14.	172-6555	[1]	PANEL
15.	172-8641	[1]	PLATE
16.	172-9316	[1]	FILM-FUSE (LIGHTS, WASHER, WIPER, DEFROST)
17.	096-6166	[3]	WASHER-HARD (4.5X9X1-MM THK)
18.	5C-8312 M	[3]	NUT (M4X0.7-THD)
19.	6V-5645	[4]	SCREW-MACHINE (10-32X0.87-IN)
20.	6V-8801	[1]	NUT (3/8-16-THD)
21.	8T-4896	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
22.	9X-1046 M	[3]	SCREW (M4X0.7X18-MM)
23.	9X-2042 M	[4]	SCREW-TRUSS HEAD (M6X1X12-MM)
24.	7X-7877 E		STRIP-EDGE (10CM)
	E		ORDER BY THE CENTIMETER
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP36830168

203-6551: WIRING GP-CAB

WIRING GP-CAB

203-6551 WIRING GP-CAB -MOLDBOARD
S/N 1241-UP
PART OF 203-6536 LIGHTING AR-FLOOD
AN ATTACHMENT

i01901391 SEBP3683

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-0109	[5]	PLUG (ROCKER SWITCH)
2.	3S-2093	[2]	STRAP-CABLE
3.	9W-1442	[1]	FUSE (10-AMPERE)(BLADE FLOODS)
4.	145-3350	[1]	PLATE
5.	153-2147	[1]	PLATE
6.	168-8243	[1]	HARNESS AS-PANEL
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
	155-2265	[4]	KIT-CONNECTING PLUG (8-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
	155-2269	[1]	PLUG AS-CONNECTOR (2-PIN)
	155-2271	[1]	KIT-CONNECTING PLUG (4-PIN)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
	102-8804	[2]	KIT-RECEPTACLE (4-PIN)
	102-8806	[1]	KIT-RECEPTACLE (8-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
7.	172-6556	[1]	PANEL
8.	188-3862	[1]	BRACKET AS
9.	3E-8766	[1]	SWITCH AS (24-VOLT)(MOLDBOARD LAMPS)
	3E-8782	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)(MOLDBOARD/INDICATOR)
10.	9X-2043 M	[6]	SCREW-TRUSS HEAD (M6X1X14-MM)
	M		METRIC PART

#SEBP36830169

159-5839: WIRING GP-CONSOLE

WIRING GP-CONSOLE

159-5839 WIRING GP-CONSOLE
S/N 1241-UP
PART OF 2C-9820 GENERAL AR

i01859433 SEBP3683

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Parts for your 120H MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-0109	[4]	PLUG (ROCKER SWITCH)
2.	3E-6328 Y	[1]	ALARM GP (24-VOLT)(ACTION)
3.	3S-2093	[5]	STRAP-CABLE
4.	7N-5876	[1]	LAMP (24-VOLT, 0.2-AMPERE)(CENTERSHIFT PIN INDICATOR)
5.	8C-6354	[1]	CAP-RECEPTACLE (ET CONNECTOR)
6.	110-7887	[1]	SWITCH AS-START (KEY)
	3E-3377	[1]	WEDGE-RECEPTACLE LOCK (4-PIN)
	7T-6799	[1]	NUT-MOUNTING (1-32-THD)
	186-3735	[4]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
8.	167-7506	[1]	HARNESS AS-OPERATOR CONTROLS
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
	102-8805	[1]	KIT-RECEPTACLE (6-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[2]	KIT-CONNECTING PLUG (12-PIN)
	155-2271	[2]	KIT-CONNECTING PLUG (4-PIN)
	155-2274	[2]	KIT-CONNECTING PLUG (6-PIN)
			(EACH INCLUDES PLUG AS & WEDGE)
	199-8382	[1]	RECEPTACLE AS
	155-2269	[1]	PLUG AS-CONNECTOR (2-PIN)
9.	167-7536	[1]	HARNESS AS-CONSOLE
	7X-6222	[1]	PLUG AS-CONNECTOR (24-PIN)
	102-8804	[1]	KIT-RECEPTACLE (4-PIN)
	102-8801	[1]	KIT-RECEPTACLE (12-PIN)
			(EACH INCLUDES RECEPTACLE AS & WEDGE)
	155-2255	[1]	KIT-CONNECTING PLUG (12-PIN)
			(INCLUDES PLUG AS & WEDGE)
10.	169-5414	[2]	CLIP
11.	196-7268	[1]	SWITCH AS (THROTTLE SPEED SET)
	3E-8825	[2]	LAMP (24-VOLT)(THROTTLE SPEED SET)
	183-2136	[1]	ACTUATOR
12.	185-2197	[1]	SWITCH AS-ROCKER (THROTTLE HOLD MODE)
	3E-8825	[2]	LAMP (24-VOLT)(THROTTLE HOLD MODE)
	187-9380	[1]	ACTUATOR
13.	130-5300	[2]	CLIP
14.	2V-8259	[2]	GROMMET
15.	3H-2900	[1]	GROMMET
16.	4D-7794	[1]	CLIP
17.	4L-6454	[1]	BOLT (3/8-16X1-IN)
18.	4P-7581	[1]	CLIP (LADDER)
19.	5M-3062	[3]	BOLT (3/8-16X0.75-IN)
20.	5S-4246	[4]	LOCKWASHER
21.	6B-4540	[4]	NUT (4-40-THD)
22.	6V-2480	[4]	SCREW (4-40X0.5-IN)
23.	6V-8801	[1]	NUT (3/8-16-THD)
24.	7C-4354	[1]	CLIP
25.	7G-7053	[1]	GROMMET
26.	8M-2770	[1]	CLIP (LOOP)
27.	8T-4121	[1]	WASHER-HARD (11X21X2.5-MM THK)
28.	8T-4137 M	[1]	BOLT (M10X1.5X20-MM)
29.	8T-4896	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)
30.	9W-0335	[1]	LIGHTER AS-CIGAR (24-VOLT)
31.	3E-9327	[1]	SWITCH AS (CENTERSHIFT PIN PULLER)
	3E-8817	[1]	ACTUATOR
	3E-8825	[1]	LAMP (24-VOLT)(CENTERSHIFT PIN PULLER)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

Information:

ELECTRICAL AND STARTING SYSTEM

SENSOR GP

Special Instruction

Selecting Correct Part Numbers For Sensors and Adapter Harnesses for Certain Machines and Engines{1408, 1439}
Selecting Correct Part Numbers For Sensors and Adapter Harnesses for Certain Machines and Engines{1408, 1439}

Incorrect Output Signal from Rotary Position Sensor in Certain Cat Products{1913, 4809, 5737}
Incorrect Output Signal from Rotary Position Sensor in Certain Cat Products{1913, 4809, 5737}

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

Installation Procedure for Blade Slope Indication (IMU Sensor) kit on Certain Motor Graders {1408, 1439, 1901, 7490, 7620}
Installation Procedure for Blade Slope Indication (IMU Sensor) kit on Certain Motor Graders {1408, 1439, 1901, 7490, 7620}

Technical Information Bulletin

Incorrect Output Signal from Rotary Position Sensor in Certain Cat Products{1913, 4809, 5737}
Incorrect Output Signal from Rotary Position Sensor in Certain Cat Products{1913, 4809, 5737}

Specifications

Position Sender (Articulation)
120H and 135H Motor Graders Hydraulic and Steering System

Engine Oil Pressure Sensor - If Equipped
3126B Engine for Caterpillar Built Machines

Atmospheric Pressure Sensor - If Equipped
3126B Engine for Caterpillar Built Machines

Inlet Air Temperature Sensor
3126B Engine for Caterpillar Built Machines

Injection Actuation Pressure Sensor
3126B Engine for Caterpillar Built Machines

Coolant Temperature Sensor
3126B Engine for Caterpillar Built Machines

Engine Oil Temperature Sensor
3126B Engine for Caterpillar Built Machines

Fuel Pressure Sensor
3126B Engine for Caterpillar Built Machines

Speed/Timing Sensor
3126B Engine for Caterpillar Built Machines

Turbocharger Outlet Pressure Sensor
3126B Engine for Caterpillar Built Machines

Turbocharger Inlet Pressure Sensor
3126B Engine for Caterpillar Built Machines

Speed Sensor (Transmission Output)
120H and 135H Motor Graders Power Train

Temperature Sensor (Transmission Oil)
120H and 135H Motor Graders Power Train

Speed Sensor (Transmission Input)
120H and 135H Motor Graders Power Train

Speed Sensor
3126B Engine for Caterpillar Built Machines

Pressure Sensor (Hydraulic Fan)
120H and 135H Motor Graders Hydraulic and Steering System

Tool Operating Manual

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 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}
Using the 453-3204 Pressure and Temperature Test Group{0374, 0599, 0706, 0708, 0709, 0731, 0732, 0738, 1408, 1439}

Systems Operation

Sensors
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

Reuse And Salvage Guidelines

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

Testing and Adjusting

Position Sender (Articulation) - Adjust
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders Hydraulic and Steering System

Position Sensor (Clutch Pedal) - Calibrate
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

Troubleshooting

CID 0261 FMI 13 Engine Timing Calibration required
3126B Engine for Caterpillar Built Machines

CID 0100 FMI 03 Engine Oil Pressure open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0100 FMI 04 Engine Oil Pressure short to ground
3126B Engine for Caterpillar Built Machines

CID 0172 FMI 03 Intake Manifold Air Temp open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0172 FMI 04 Intake Manifold Air Temp short to ground
3126B Engine for Caterpillar Built Machines

CID 0262 FMI 04 5 Volt Sensor DC Power Supply short to ground
3126B Engine for Caterpillar Built Machines

CID 0273 FMI 03 Turbo Outlet Pressure open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0273 FMI 04 Turbo Outlet Pressure short to ground
3126B Engine for Caterpillar Built Machines

CID 0274 FMI 03 Atmospheric Pressure open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0274 FMI 04 Atmospheric Pressure short to ground
3126B Engine for Caterpillar Built Machines

Sensor Dynamic Operation
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

Pulse Width Modulated Sensor
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

CID 0094 FMI 03 Fuel Pressure open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0094 FMI 04 Fuel Pressure short to ground
3126B Engine for Caterpillar Built Machines

CID 0110 FMI 03 Engine Coolant Temperature open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0110 FMI 04 Engine Coolant Temperature short to ground
3126B Engine for Caterpillar Built Machines

CID 0164 FMI 00 High Injector Actuation Pressure
3126B Engine for Caterpillar Built Machines

CID 0164 FMI 03 Injector Actuation Pressure voltage high
3126B Engine for Caterpillar Built Machines

CID 0175 FMI 03 Engine Oil Temperature open/short to +batt
3126B Engine for Caterpillar Built Machines

CID 0175 FMI 04 Engine Oil Temperature short to ground
3126B Engine for Caterpillar Built Machines

Sensor Signal Voltage
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

MID 030 - CID 0263 - FMI 03
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

MID 030 - CID 0263 - FMI 04
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

MID 030 - CID 0601 - FMI 08
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

CID 0164 FMI 11 Injector Actuation Pressure system fault
3126B Engine for Caterpillar Built Machines

CID 0190 FMI 02 Loss of Engine Speed Signal
3126B Engine for Caterpillar Built Machines

CID 0190 FMI 11 Engine Speed Sensor mechanical failure
3126B Engine for Caterpillar Built Machines

Engine Speed/Timing Sensor Circuit - Test
3126B Engine for Caterpillar Built Machines

Engine Speed/Timing Sensor - Calibrate
3126B Engine for Caterpillar Built Machines

MID 081 - CID 0177 - FMI 03
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0177 - FMI 04
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0573 - FMI 03
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0573 - FMI 04
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0573 - FMI 13
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0585 - FMI 02
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0669 - FMI 02
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

MID 081 - CID 0673 - FMI 02
120H, 12H, 135H, 140H, 143H, 160H and 163H Motor Graders

Throttle Position Sensor Circuit - Test
3126B Engine for Caterpillar Built Machines

Digital Sensor Supply Circuit - Test
3126B Engine for Caterpillar Built Machines

CID 0164 FMI 02 Injector Actuation Pressure signal erratic
3126B Engine for Caterpillar Built Machines

CID 0342 FMI 02 Loss of Secondary Engine Speed signal
3126B Engine for Caterpillar Built Machines

Engine Temperature Sensor Open or Short Circuit - Test
3126B Engine for Caterpillar Built Machines

MID 030 - CID 0084 - FMI 08
120H, 12H, 135H, 140H, 143H, 14H, 160H, 163H and 16H Motor Graders Caterpillar Monitoring System

CID 0164 FMI 04 Injector Actuation Pressure voltage low
3126B Engine for Caterpillar Built Machines

E095 Fuel Filter Restriction Warning
3126B Engine for Caterpillar Built Machines

CID 0342 FMI 11 Secondary Engine Speed Sensor mechanical failure
3126B Engine for Caterpillar Built Machines

Injection Actuation Pressure Sensor - Test
3126B Engine for Caterpillar Built Machines

Sensors and Electrical Connectors
3126B Engine for Caterpillar Built Machines

5 Volt Engine Pressure Sensor Supply Circuit - Test
3126B Engine for Caterpillar Built Machines

Engine Pressure Sensor Open or Short Circuit - Test
3126B Engine for Caterpillar Built Machines

CID 0262 FMI 03 5 Volt Sensor DC Power Supply short to +batt
3126B Engine for Caterpillar Built Machines

MID 122 - CID 0269 - FMI 03
Product Link 121S/300

MID 122 - CID 0269 - FMI 04
Product Link 121S/300

Service Magazine

A New Speed Sensor is Available {1907}
2004/03/08

Correction to Troubleshooting Manual, "Sensor Signal Voltage" {5574}
2004/09/20

Coolant Level Sensor Installation Service Notes {5574}
2008/07/14

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

Improved Rotary Position Sensor Is Now Used on Certain Cat<SUP>®</SUP> Products {1439, 1913, 4806, 4809, 5736, 5737}
2012/07/11

Caterpillar Parts SIS Catalog 120H :

274-7396 SENSOR GP-TEMPERATURE

274-7395 SENSOR GP-TEMPERATURE

204-0320 SENSOR GP-TEMPERATURE

191-6587 SENSOR GP-TEMPERATURE

130-9811 SENSOR GP-TEMPERATURE

236-6221 SENSOR GP-SPEED

183-8597 SENSOR GP-SPEED

111-4275 STARTING MOTOR GP-ELECTRIC

207-1517 STARTING MOTOR GP-ELECTRIC

164-7577 SWITCH GP-BYPASS

7N-0718 SWITCH GP-DISCONNECT

167-0138 SWITCH GP-MAGNETIC

161-1022 WIRING GP-BLADE CUSHION

159-5878 WIRING GP-CAB

203-6551 WIRING GP-CAB

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