518-0753 CYLINDER & SEAL GP-STICK S/N NEG1-UP PART OF 358-8458 CYLINDER & LINES GP-STICK AN ATTACHMENT 345D

HYDRAULIC SYSTEM

CYLINDER GP

0. 518-0753 CYLINDER &
1. 301-6876 CYLINDER A
2. 301-6877 CYLINDER A
3. 225-4523 CYLINDER G
4. 266-8087 CYLINDER G
5. 389-1041 CYLINDER G
6. 225-4529 CYLINDER G
7. 225-4532 CYLINDER G
8. 274-2456 CYLINDER G
9. 274-2459 CYLINDER G
0. INFORMATION

EXCAVATOR 345D EXCAVATOR NEG
345D Excavator NEG00001-UP (MACHINE) POWERED BY C13 Engine SEBP4958 345D NEG (2008)

HYDRAULIC SYSTEM

CYLINDER GP

358-8460 CYLINDER & SEAL GP-STICK

518-0753 CYLINDER & SEAL GP-STICK

301-6876 CYLINDER AR-HYDRAULIC

301-6877 CYLINDER AR-HYDRAULIC

225-4523 CYLINDER GP-BOOM

#SEBP49580680

518-0753: CYLINDER & SEAL GP-STICK

CYLINDER & SEAL GP-STICK

518-0753 CYLINDER & SEAL GP-STICK
S/N NEG1-UP
PART OF 358-8458 CYLINDER & LINES GP-STICK
AN ATTACHMENT

i06991282 SEBP4958

5180753 CYLINDER & SEAL GP-STICK Parts scheme

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Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	513-3691 Y	[1]	CYLINDER GP-STICK
2.	166-1496	[4]	SEAL-LIP TYPE
3.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP49580681

301-6876: CYLINDER AR-HYDRAULIC

CYLINDER AR-HYDRAULIC

301-6876 CYLINDER AR-HYDRAULIC -COLD WEATHER, TB2-FAMILY
S/N NEG1-UP
AN ATTACHMENT

i05415881 SEBP4958

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Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
301-6878 Y	[1]	CYLINDER & LINES GP-BOOM (LH)
301-6879 Y	[1]	CYLINDER & LINES GP-BOOM (RH)
274-2454 Y	[1]	CYLINDER & LINES GP-BUCKET
		-OR-
369-9689 Y	[1]	CYLINDER & LINES GP-BUCKET
274-2451 Y	[1]	CYLINDER & LINES GP-STICK
Y		SEPARATE ILLUSTRATION

#SEBP49580682

301-6877: CYLINDER AR-HYDRAULIC

CYLINDER AR-HYDRAULIC

301-6877 CYLINDER AR-HYDRAULIC -COLD WEATHER, UB-FAMILY
S/N NEG1-UP
AN ATTACHMENT

i02882409 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
301-6878 Y	[1]	CYLINDER & LINES GP-BOOM (LH)
301-6879 Y	[1]	CYLINDER & LINES GP-BOOM (RH)
274-2457 Y	[1]	CYLINDER & LINES GP-BUCKET
274-2451 Y	[1]	CYLINDER & LINES GP-STICK
Y		SEPARATE ILLUSTRATION

#SEBP49580683

225-4523: CYLINDER GP-BOOM

CYLINDER GP-BOOM

225-4523 CYLINDER GP-BOOM
S/N NEG1-UP
160-MM (6.3-IN) BORE X 1575-MM (62-IN) STROKE
PART OF 225-4522 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT

i02215388 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-3604 J	[1]	SEAL AS
2.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
3.	126-2084	[1]	STOP
4.	191-3128 J	[1]	RING-SEAL
5.	225-4617	[1]	CYLINDER AS
5A.	228-5620	[1]	BUSHING
6.	234-4463	[1]	ROD AS
6A.	235-7527	[1]	BUSHING
7.	7Y-4941 J	[1]	RING-BACKUP
8.	7Y-4944	[1]	RING-RETAINING
9.	358-8528	[1]	HEAD
10.	333-8687 J	[1]	SEAL-BUFFER
11.	165-9291 J	[1]	SEAL-LIP TYPE
12.	185-0230 J	[2]	RING
13.	185-0231 J	[1]	RING
14.	185-0232	[1]	PISTON
15.	087-5550 J	[1]	RING-BACKUP
16.	095-1635 J	[1]	SEAL-O-RING
17.	114-0762	[1]	BUSHING
18.	333-8688 J	[1]	SEAL-U-CUP
19.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	376-4336 J	[1]	KIT-SEAL (CYLINDER)(BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49580684

266-8087: CYLINDER GP-BOOM

CYLINDER GP-BOOM

266-8087 CYLINDER GP-BOOM
S/N NEG1-UP
160-MM (6.3-IN) BORE X 1575-MM (62.0-IN) STROKE
PART OF 266-8086 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT

i02505086 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4941 J	[1]	RING-BACKUP
2.	506-2321 J	[1]	SEAL AS
3.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
4.	389-1066	[1]	STOP
5.	165-9291 J	[1]	SEAL-LIP TYPE
6.	185-0231 J	[1]	RING
7.	358-8527	[1]	PISTON
8.	191-3128 J	[1]	RING-SEAL
9.	381-0454	[1]	CYLINDER AS
9A.	228-5620	[1]	BUSHING
10.	389-1056	[1]	ROD AS
10A.	235-7527	[1]	BUSHING
11.	259-0734 J	[1]	SEAL-U-CUP
12.	266-7957 J	[1]	SEAL-BUFFER
13.	266-7960 J	[1]	SEAL-O-RING
14.	7Y-4944	[1]	RING-RETAINING
15.	358-8528	[1]	HEAD
16.	185-0230 J	[2]	RING
17.	087-5550 J	[1]	RING-BACKUP
18.	114-0762	[1]	BUSHING
19.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	525-3507 J	[1]	KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PARTS(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49580685

389-1041: CYLINDER GP-BOOM

CYLINDER GP-BOOM

389-1041 CYLINDER GP-BOOM
S/N NEG1-UP
160-MM (6.3-IN) BORE X 1575-MM (62-IN) STROKE
PART OF 225-4522 CYLINDER & SEAL GP-BOOM
AN ATTACHMENT

i05581949 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
2.	191-3128 J	[1]	RING-SEAL
3.	333-8687 J	[1]	SEAL-BUFFER
4.	358-8527	[1]	PISTON
5.	358-8528	[1]	HEAD
6.	381-0454	[1]	CYLINDER AS
6A.	228-5620	[1]	BUSHING
7.	389-1056	[1]	ROD AS
7A.	235-7527	[1]	BUSHING
8.	389-1066	[1]	STOP
9.	087-5550 J	[1]	RING-BACKUP
10.	095-1635 J	[1]	SEAL-O-RING
11.	114-0762	[1]	BUSHING
12.	165-9291 J	[1]	SEAL-LIP TYPE
13.	185-0230 J	[2]	RING
14.	185-0231 J	[1]	RING
15.	333-8688 J	[1]	SEAL-U-CUP
16.	7Y-4941 J	[1]	RING-BACKUP
17.	7Y-4944	[1]	RING-RETAINING
18.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
19.	506-2321 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	518-5139 J	[1]	KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49580686

225-4529: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

225-4529 CYLINDER GP-BUCKET
S/N NEG1-UP
160-MM (6.3-IN) BORE X 1356-MM (53.4-IN) STROKE
PART OF 225-4528 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02212142 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	118-3936	[1]	CYLINDER AS
1A.	087-5533	[1]	BUSHING
2.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
3.	185-0230 J	[2]	RING
4.	9X-3604 J	[1]	SEAL AS
5.	185-0231 J	[1]	RING
6.	185-0232	[1]	PISTON
7.	095-1635 J	[1]	SEAL-O-RING
8.	087-5550 J	[1]	RING-BACKUP
9.	7Y-4944	[1]	RING-RETAINING
10.	114-0762	[1]	BUSHING
11.	333-8687 J	[1]	SEAL-BUFFER
12.	358-8528	[1]	HEAD
13.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)
14.	333-8688 J	[1]	SEAL-U-CUP
15.	7Y-4941 J	[1]	RING-BACKUP
16.	165-9291 J	[1]	SEAL-LIP TYPE
17.	247-8904	[1]	ROD AS
17A.	087-5548	[1]	BUSHING

			AVAILABLE REPAIR KIT(S):
	333-8750 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49580687

225-4532: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

225-4532 CYLINDER GP-BUCKET
S/N NEG1-UP
170-MM (6.7-IN) BORE X 1396-MM (55-IN) STROKE
PART OF 225-4531 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02210981 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	358-8521	[1]	HEAD
2.	7Y-4956 M	[1]	LOCKNUT (M90X2-THD)
3.	9X-3607 J	[1]	SEAL AS
4.	358-8514	[1]	ROD AS
4A.	4I-1520	[1]	BUSHING
5.	234-4516	[1]	CYLINDER AS
5A.	087-5379	[1]	BUSHING
6.	7Y-4941 J	[1]	RING-BACKUP
7.	7Y-4944	[1]	RING-RETAINING
8.	333-8687 J	[1]	SEAL-BUFFER
9.	165-9291 J	[1]	SEAL-LIP TYPE
10.	358-8525	[1]	PISTON
11.	191-5604 J	[2]	RING
12.	191-5605 J	[1]	RING
13.	095-1726 J	[1]	SEAL-O-RING
14.	114-0761	[1]	BUSHING
15.	333-8688 J	[1]	SEAL-U-CUP
16.	7Y-4945 J	[1]	RING-BACKUP
17.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	333-8675 J		KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49580688

274-2456: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

274-2456 CYLINDER GP-BUCKET
S/N NEG1-UP
160-MM (6.3-IN) BORE X 1356-MM (53.4-IN) STROKE
PART OF 274-2455 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02505112 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9X-3604 J	[1]	SEAL AS
2.	118-3936	[1]	CYLINDER AS
2A.	087-5533	[1]	BUSHING
3.	165-9291 J	[1]	SEAL-LIP TYPE
4.	185-0231 J	[1]	RING
5.	185-0232	[1]	PISTON
6.	247-8904	[1]	ROD AS
6A.	087-5548	[1]	BUSHING
7.	259-0734 J	[1]	SEAL-U-CUP
8.	266-7957 J	[1]	SEAL-BUFFER
9.	266-7960 J	[1]	SEAL-O-RING
10.	7Y-4944	[1]	RING-RETAINING
11.	087-5551	[1]	HEAD
12.	123-2112 M	[1]	LOCKNUT-SPECIAL (M90X2-THD)
13.	185-0230 J	[2]	RING
14.	087-5550 J	[1]	RING-BACKUP
15.	114-0762	[1]	BUSHING
16.	7Y-4941 J	[1]	RING-BACKUP
17.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)


			AVAILABLE REPAIR KIT(S):
	274-2460 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP49580689

274-2459: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

274-2459 CYLINDER GP-BUCKET
S/N NEG1-UP
170-MM (6.7-IN) BORE X 1396-MM (54.9-IN) STROKE
PART OF 274-2458 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02505171 SEBP4958

For full view, you need register

Parts for your 345D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	358-8521	[1]	HEAD
2.	7Y-4941 J	[1]	RING-BACKUP
3.	7Y-4956 M	[1]	LOCKNUT (M90X2-THD)
4.	506-2322 J	[1]	SEAL AS
5.	165-9291 J	[1]	SEAL-LIP TYPE
6.	358-8525	[1]	PISTON
7.	191-5605 J	[1]	RING
8.	358-8504	[1]	CYLINDER AS
8A.	351-4760	[1]	CAP AS
9.	358-8514	[1]	ROD AS
9A.	4I-1520	[1]	BUSHING
10.	259-0734 J	[1]	SEAL-U-CUP
11.	266-7957 J	[1]	SEAL-BUFFER
12.	266-7961 J	[1]	SEAL-O-RING
13.	7Y-4944	[1]	RING-RETAINING
14.	191-5604 J	[2]	RING
15.	114-0761	[1]	BUSHING
16.	7Y-4945 J	[1]	RING-BACKUP
17.	7Y-5239 M	[8]	BOLT-SOCKET HEAD (M24X3X100-MM)

			AVAILABLE REPAIR KIT(S):
	519-7961 J	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE