131-1327 LINES GP-AUXILIARY HYDRAULIC S/N 6TL1-409 VARIABLE ADJUSTMENT BOOM PART OF 138-3365 CONTROL AR-AUXILIARY AN ATTACHMENT M312

HYDRAULIC SYSTEM

LINES GP-AUXILIARY

0. 131-1327 LINES GP-A

LINES GP-CYLINDER

1. 120-0408 LINES GP-B
2. 120-0438 LINES GP-B

LINES GP-BOOM

3. 118-5325 LINES GP-B
4. 118-5343 LINES GP-B

LINES GP-CYLINDER

5. 118-5331 LINES GP-B

LINES GP-BUCKET

6. 122-7012 LINES GP-B

LINES GP-HYDRAULIC

7. 122-6711 LINES GP-C
8. 122-6712 LINES GP-C
9. 123-9432 LINES GP-C
0. INFORMATION

EXCAVATOR M312 EXCAVATOR 6TL
M312 Excavator 6TL00001-00409 (MACHINE) POWERED BY 3054 Engine SEBP2433 M312 6TL (1988)

HYDRAULIC SYSTEM

LINES GP-AUXILIARY

118-7721 LINES GP-AUXILIARY HYDRAULIC

126-8812 LINES GP-AUXILIARY HYDRAULIC

131-1327 LINES GP-AUXILIARY HYDRAULIC

123-9486 VALVE & LINES AR-AUXILIARY

123-9488 VALVE & LINES AR-AUXILIARY

111-2047 VALVE & LINES GP-AUXILIARY

#SEBP24330280

131-1327: LINES GP-AUXILIARY HYDRAULIC

LINES GP-AUXILIARY HYDRAULIC

131-1327 LINES GP-AUXILIARY HYDRAULIC
S/N 6TL1-409
VARIABLE ADJUSTMENT BOOM
PART OF 138-3365 CONTROL AR-AUXILIARY
AN ATTACHMENT

i00644977 SEBP2433

1311327 LINES GP-AUXILIARY HYDRAULIC Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	126-0949 I	[2]	HOSE AS
2.	131-1335	[1]	PLATE
3.	136-6877	[2]	PLATE
4.	136-8489	[3]	PLATE
5.	096-0061 B	[14]	STRAP-CABLE
6.	6V-8398	[8]	SEAL-O-RING
7.	6V-8981	[2]	ELBOW
8.	6V-8995	[2]	UNION (STRAIGHT)
9.	6V-9169	[4]	NUT (13/16-16-THD)
10.	6V-9830	[2]	CAP
11.	8T-1160 M	[6]	BOLT-SOCKET HEAD (M10X1.5X50-MM)
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP24330281

120-0408: LINES GP-BLADE CYLINDER

LINES GP-BLADE CYLINDER

120-0408 LINES GP-BLADE CYLINDER
S/N 6TL1-409
PART OF 120-0407 BLADE AR
AN ATTACHMENT

i00522913 SEBP2433

1200408 LINES GP-BLADE CYLINDER Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	115-7992 I	[2]	HOSE AS
2.	115-7993 I	[2]	HOSE AS
3.	3K-0360	[4]	SEAL-O-RING
4.	6V-8398	[8]	SEAL-O-RING
5.	6V-8625	[4]	ELBOW
6.	6V-9837	[2]	TEE-SWIVEL
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP24330282

120-0438: LINES GP-BLADE CYLINDER

LINES GP-BLADE CYLINDER

120-0438 LINES GP-BLADE CYLINDER
S/N 6TL1-409
PART OF 123-9454 STABILIZER AR
AN ATTACHMENT

i00522922 SEBP2433

1200438 LINES GP-BLADE CYLINDER Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	112-7174 Y	[1]	VALVE GP-SOLENOID
2.	115-7992 I	[1]	HOSE AS
3.	115-7993 I	[2]	HOSE AS
4.	115-7994 I	[1]	HOSE AS
5.	115-7995 I	[1]	HOSE AS
6.	140-6110	[1]	HOSE AS
7.	118-6503 M	[2]	BOLT (M6X1X55-MM)
8.	3J-1907	[1]	SEAL-O-RING
9.	3K-0360	[6]	SEAL-O-RING
10.	6V-8398	[11]	SEAL-O-RING
11.	6V-8625	[6]	ELBOW
12.	6V-9837	[2]	TEE-SWIVEL
13.	8T-6876	[1]	ELBOW
14.	122-2366	[1]	WIRE AS
15.	136-9010	[1]	STRAP-CABLE
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP24330283

118-5325: LINES GP-BOOM

LINES GP-BOOM

118-5325 LINES GP-BOOM
S/N 6TL1-409
1 PIECE
PART OF 118-5308 BOOM AR
AN ATTACHMENT

i00484508 SEBP2433

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5W-9857	[8]	FLANGE-HALF
2.	116-6298	[1]	PLATE
3.	120-6850 I	[1]	HOSE AS
4.	120-6851 I	[1]	HOSE AS
5.	122-1544	[1]	CLAMP AS
6.	122-3583	[2]	TUBE AS
7.	122-3584	[1]	TUBE AS
8.	122-3585	[1]	TUBE AS
9.	122-3586	[1]	TUBE AS
10.	105-3478 M	[16]	BOLT-SOCKET HEAD (M10X1.5X35-MM)
11.	116-3157	[6]	CLAMP
12.	120-9811	[16]	CLAMP
13.	121-0221	[4]	CLAMP
14.	4J-5267	[5]	SEAL-O-RING
15.	8T-4136 M	[3]	BOLT (M10X1.5X25-MM)
16.	8T-4957 M	[30]	BOLT-SOCKET HEAD (M10X1.5X30-MM)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP24330284

118-5343: LINES GP-BOOM

LINES GP-BOOM

118-5343 LINES GP-BOOM
S/N 6TL1-409
PART OF 118-5336 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT

i00484615 SEBP2433

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5W-6228	[2]	CLAMP
2.	5W-6808	[2]	COLLAR
3.	5W-9857	[18]	FLANGE-HALF
4.	8U-0677	[4]	FLANGE-HALF
5.	116-6298	[1]	PLATE
6.	116-8151	[4]	CLAMP-SINGLE
7.	120-8500	[4]	TUBE AS
8.	122-1544	[1]	CLAMP AS
9.	122-3586	[1]	TUBE AS
10.	122-9705	[1]	HOSE AS
11.	123-0686	[1]	PLATE AS
	8U-1242	[2]	PLATE
12.	124-6966	[1]	TUBE AS
13.	124-6967	[1]	TUBE AS
14.	124-6968	[1]	TUBE AS
15.	124-6969	[1]	TUBE AS
16.	124-6970 I	[1]	HOSE AS
17.	124-6971 I	[1]	HOSE AS
18.	124-8579 I	[1]	HOSE AS
19.	124-9265 I	[2]	HOSE AS
20.	105-3478 M	[40]	BOLT-SOCKET HEAD (M10X1.5X35-MM)
21.	116-3157	[4]	CLAMP
22.	120-9811	[16]	CLAMP
23.	121-0221	[4]	CLAMP
24.	4J-5140	[2]	SEAL-O-RING
25.	4J-5267	[11]	SEAL-O-RING
26.	6V-5192 M	[8]	BOLT-SOCKET HEAD (M8X1.25X30-MM)
27.	8T-0342 M	[1]	BOLT-SOCKET HEAD (M10X1.5X80-MM)
28.	8T-4136 M	[3]	BOLT (M10X1.5X25-MM)
29.	8T-4957 M	[28]	BOLT-SOCKET HEAD (M10X1.5X30-MM)
30.	8T-8894 M	[2]	BOLT-SOCKET HEAD (M10X1.5X20-MM)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP24330285

118-5331: LINES GP-BOOM CYLINDER

LINES GP-BOOM CYLINDER

118-5331 LINES GP-BOOM CYLINDER
S/N 6TL1-409
PART OF 118-5308 BOOM AR, 118-5336 BOOM AR-VARIABLE ADJUSTABLE
AN ATTACHMENT

i00484559 SEBP2433

1185331 LINES GP-BOOM CYLINDER Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	113-4054	[2]	PLATE
2.	114-8589	[1]	TUBE AS
3.	114-8590	[1]	TUBE AS
4.	117-1688	[1]	TUBE AS
5.	117-1689	[1]	TUBE AS
6.	122-1203	[2]	CLAMP AS
7.	8T-4121	[4]	WASHER-HARD (11X21X2.5-MM THK)
8.	8T-4136 M	[6]	BOLT (M10X1.5X25-MM)
9.	8T-4196 M	[4]	BOLT (M10X1.5X35-MM)
10.	8U-5490	[4]	SEAL-O-RING
11.	9X-6032 M	[16]	BOLT-SOCKET HEAD (M10X1.5X30-MM)
	M		METRIC PART

#SEBP24330286

122-7012: LINES GP-BUCKET TILT CYLINDER

LINES GP-BUCKET TILT CYLINDER

122-7012 LINES GP-BUCKET TILT CYLINDER
S/N 6TL1-409
PART OF 128-6184 LINKAGE AR-BUCKET
AN ATTACHMENT

i00521120 SEBP2433

1227012 LINES GP-BUCKET TILT CYLINDER Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8U-2586 B	[2]	WASHER (22X32X0.5-MM THK)
2.	114-9149	[2]	FITTING (QUICK DISCONNECT, MALE)
3.	114-9154	[2]	CAP
4.	330-4706	[1]	TUBE AS
5.	331-1434	[1]	TUBE AS
6.	173-9962	[2]	PLATE
7.	176-3276 I	[2]	HOSE AS
8.	179-5693 I	[2]	HOSE AS
9.	124-3109	[2]	ELBOW
10.	148-8375	[2]	ELBOW AS
			(EACH INCLUDES)
	6V-8398	[2]	SEAL-O-RING
	6V-8981	[1]	ELBOW
11.	148-8457	[2]	UNION AS (STRAIGHT)
			(EACH INCLUDES)
	6V-8398	[2]	SEAL-O-RING
	6V-8995	[1]	UNION (STRAIGHT)
12.	6V-8398	[4]	SEAL-O-RING
13.	6V-9169	[4]	NUT (13/16-16-THD)
14.	8T-4136 M	[8]	BOLT (M10X1.5X25-MM)
15.	8T-7524	[2]	SEAL-O-RING
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART

#SEBP24330287

122-6711: LINES GP-CHECK VALVE

LINES GP-CHECK VALVE

122-6711 LINES GP-CHECK VALVE
S/N 6TL1-409
STICK LOWERING CONTROL, ONE PIECE BOOM
AN ATTACHMENT

i00521040 SEBP2433

1226711 LINES GP-CHECK VALVE Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	108-9656 B	[10]	STRAP-CABLE
2.	113-7180 Y	[1]	VALVE GP-LOAD CONTROL (BOOM)
3.	115-8002 I	[1]	HOSE AS
4.	115-8003 I	[1]	HOSE AS
5.	118-7399 I	[1]	HOSE AS
6.	119-1363	[1]	HOSE AS
7.	122-1197	[1]	TUBE AS
8.	122-1198	[1]	TUBE AS
9.	122-3594	[1]	TUBE AS
10.	101-7399 M	[4]	BOLT-SOCKET HEAD (M10X1.5X120-MM)
11.	2M-9780	[1]	SEAL-O-RING
12.	3J-1907	[1]	SEAL-O-RING
13.	4J-5267	[1]	SEAL-O-RING
14.	6V-8397	[6]	SEAL-O-RING
15.	6V-8626	[1]	ELBOW
16.	6V-8636	[1]	CONNECTOR
17.	6V-8730	[1]	UNION (FACE SEAL)
18.	6V-8732	[1]	UNION
19.	6V-8781	[1]	TEE
20.	6V-8994	[1]	UNION (STRAIGHT)
21.	6V-8996	[1]	UNION
22.	6V-9168	[1]	NUT (11/16-16-THD)
23.	6V-9170	[1]	NUT-BULKHEAD (1-14-THD)
24.	7J-9108	[5]	SEAL-O-RING
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP24330288

122-6712: LINES GP-CHECK VALVE

LINES GP-CHECK VALVE

122-6712 LINES GP-CHECK VALVE
S/N 6TL1-409
VARIABLE ADJUSTMENT BOOM CYLINDER
AN ATTACHMENT

i00521042 SEBP2433

1226712 LINES GP-CHECK VALVE Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	108-9656 B	[2]	STRAP-CABLE
2.	116-7248 I	[1]	HOSE AS
3.	116-7249 I	[1]	HOSE AS
4.	116-7286	[1]	CLAMP-SINGLE
5.	124-8580 I	[1]	HOSE AS
6.	101-7399 M	[4]	BOLT-SOCKET HEAD (M10X1.5X120-MM)
7.	113-7181 Y	[1]	VALVE GP-LOAD CONTROL (BOOM)
9.	2M-9780	[1]	SEAL-O-RING
10.	3J-1907	[1]	SEAL-O-RING
11.	4J-5267	[1]	SEAL-O-RING
12.	6V-8397	[2]	SEAL-O-RING
13.	6V-8626	[1]	ELBOW
14.	6V-8724	[1]	ELBOW
15.	6V-8781	[1]	TEE
16.	6V-9746	[2]	SEAL-O-RING
17.	6V-9839	[1]	TEE-SWIVEL
18.	7J-9108	[1]	SEAL-O-RING
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP24330289

123-9432: LINES GP-CHECK VALVE

LINES GP-CHECK VALVE

123-9432 LINES GP-CHECK VALVE
S/N 6TL1-409
BOOM LOWERING CONTROL
AN ATTACHMENT

i00515991 SEBP2433

1239432 LINES GP-CHECK VALVE Parts scheme

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Parts for your M312 EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	108-9656 B	[2]	STRAP-CABLE
2.	152-7467 Y	[2]	VALVE GP-LOAD CONTROL
3.	113-0049	[1]	PLATE
4.	113-4056	[2]	TUBE AS
5.	116-7252 I	[1]	HOSE AS
6.	116-7253 I	[1]	HOSE AS
7.	116-7257 I	[1]	HOSE AS
8.	124-9269 I	[1]	HOSE AS
9.	124-9270 I	[1]	HOSE AS
10.	101-7399 M	[8]	BOLT-SOCKET HEAD (M10X1.5X120-MM)
11.	2M-9780	[2]	SEAL-O-RING
12.	3J-1907	[4]	SEAL-O-RING
13.	4J-5267	[2]	SEAL-O-RING
14.	6V-8397	[5]	SEAL-O-RING
15.	6V-8636	[2]	CONNECTOR
16.	6V-8642	[2]	CONNECTOR
17.	6V-8724	[1]	ELBOW
18.	6V-8781	[1]	TEE
19.	6V-9838	[1]	TEE-SWIVEL
20.	7J-9108	[4]	SEAL-O-RING
21.	8T-0271 M	[4]	BOLT-SOCKET HEAD (M10X1.5X35-MM)
22.	8T-6466 M	[1]	BOLT (M10X1.5X60-MM)
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION