341-2177 CYLINDER & SEAL GP-STICK S/N KBE1-UP; DBH1-UP 150-MM (6-IN) BORE X 1646-MM (64.8-IN) STROKE FIELD REPLACEMENT FOR @@@@@349-4150@@@@@ FIELD INSTALLATION 325D

HYDRAULIC SYSTEM

CYLINDER GP

0. 341-2177 CYLINDER &
1. 349-4148 CYLINDER &
2. 225-4572 CYLINDER G
3. 295-9400 CYLINDER G
4. 225-4578 CYLINDER G
5. 225-4581 CYLINDER G
6. 315-4442 CYLINDER G
7. 315-4442 CYLINDER G
8. 225-4575 CYLINDER G
9. 259-0778 CYLINDER G
0. INFORMATION

EXCAVATOR 325D EXCAVATOR DBH
325D & 325D L Excavators DBH00001-UP (MACHINE) POWERED BY C7 Engine SEBP4870 325D DBH (2006)

HYDRAULIC SYSTEM

CYLINDER GP

225-4588 CYLINDER & SEAL GP-STICK

225-4597 CYLINDER & SEAL GP-STICK

341-2177 CYLINDER & SEAL GP-STICK

349-4148 CYLINDER & SEAL GP-STICK

225-4572 CYLINDER GP-BOOM

295-9400 CYLINDER GP-BOOM

#SEBP48700440

341-2177: CYLINDER & SEAL GP-STICK

CYLINDER & SEAL GP-STICK

341-2177 CYLINDER & SEAL GP-STICK
S/N KBE1-UP; DBH1-UP
150-MM (6-IN) BORE X 1646-MM (64.8-IN) STROKE
FIELD REPLACEMENT FOR @@@@@349-4150@@@@@
FIELD INSTALLATION

i05197656 SEBP4870

3412177 CYLINDER & SEAL GP-STICK Parts scheme

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	456-0196 J	[1]	SEAL-LIP TYPE
2.	194-8355 J	[1]	RING-BACKUP
3.	350-0961 J	[1]	SEAL-U-CUP
4.	350-0956 J	[1]	SEAL-BUFFER
5.	099-5572	[1]	BUSHING
6.	099-5573	[1]	RING-RETAINING
7.	194-8353	[1]	HEAD
8.	9X-2404 M	[12]	BOLT-SOCKET HEAD (M20X2.5X90-MM)
9.	095-1723 J	[1]	SEAL-O-RING
10.	114-0706 J	[1]	RING-BACKUP
11.	350-9344	[1]	ROD AS
11A.	290-9180	[1]	BUSHING
12.	486-0797	[1]	CYLINDER AS
12A.	290-9180	[1]	BUSHING
13.	121-1548	[1]	STOP
14.	231-6805 J	[1]	RING-SEAL
15.	114-0711 J	[2]	RING-BACKUP
16.	114-0710 J	[1]	SEAL AS
17.	234-4574 J	[2]	RING
18.	114-0713 J	[2]	RING
19.	234-4573	[1]	PISTON
20.	096-6210 M	[1]	SETSCREW-SOCKET (M14X2X14-MM)
21.	4B-9880	[1]	BALL
22.	085-8605	[1]	RING-RETAINING
23.	194-8359 J	[1]	RING-SEAL
24.	121-1549	[1]	STOP
25.	085-8604	[2]	RING-RETAINING
26.	166-1494	[4]	SEAL-LIP TYPE
27.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)

			AVAILABLE REPAIR KIT(S):
	456-0205 J	[1]	KIT-SEAL (STICK CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP48700441

349-4148: CYLINDER & SEAL GP-STICK

CYLINDER & SEAL GP-STICK

349-4148 CYLINDER & SEAL GP-STICK
S/N KBE1-UP; DBH1-UP
150-MM (5.9-IN) BORE X 1646-MM (64.8-IN) STROKE
PART OF 349-4147 CYLINDER & LINES GP-STICK
AN ATTACHMENT

i04157530 SEBP4870

3494148 CYLINDER & SEAL GP-STICK Parts scheme

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	133-6909 J	[1]	SEAL-LIP TYPE
2.	194-8355 J	[1]	RING-BACKUP
3.	350-0961 J	[1]	SEAL-U-CUP
4.	350-0956 J	[1]	SEAL-BUFFER
5.	099-5572	[1]	BUSHING
6.	099-5573	[1]	RING-RETAINING
7.	194-8353	[1]	HEAD
8.	9X-2404 M	[12]	BOLT-SOCKET HEAD (M20X2.5X90-MM)
9.	095-1723 J	[1]	SEAL-O-RING
10.	114-0706 J	[1]	RING-BACKUP
11.	234-4578	[1]	ROD AS
11A.	235-7770	[1]	BUSHING
12.	234-4577	[1]	CYLINDER AS
12A.	235-7770	[1]	BUSHING
13.	121-1548	[1]	STOP
14.	194-8356 J	[1]	RING-SEAL
15.	114-0711 J	[2]	RING-BACKUP
16.	114-0710 J	[1]	SEAL AS
17.	234-4574 J	[2]	RING
18.	114-0713 J	[2]	RING
19.	234-4573	[1]	PISTON
20.	096-6210 M	[1]	SETSCREW-SOCKET (M14X2X14-MM)
21.	4B-9880	[1]	BALL
22.	085-8605	[1]	RING-RETAINING
23.	194-8359 J	[1]	RING-SEAL
24.	121-1549	[1]	STOP
25.	085-8604	[2]	RING-RETAINING
26.	096-0854	[4]	SEAL-LIP TYPE
27.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)

			AVAILABLE REPAIR KIT(S):
	350-0974 J	[1]	KIT-SEAL (STICK CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP48700442

225-4572: CYLINDER GP-BOOM

CYLINDER GP-BOOM

225-4572 CYLINDER GP-BOOM
S/N KBE1-UP
140-MM (5.5-IN) BORE X 1407-MM (55.4-IN) STROKE
PART OF 225-4571 CYLINDER & SEAL GP-BOOM
FIELD REPLACEMENT ORDER @@@@@295-9400@@@@@
AN ATTACHMENT

i02575350 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-2060 M	[1]	LOCKNUT (M80X2-THD)
2.	158-9064	[1]	PISTON
3.	158-9065 J	[2]	RING
4.	179-9667 J	[1]	RING
5.	216-0005	[1]	SEAL-U-CUP
6.	234-4504	[1]	CYLINDER AS
6A.	228-5654	[1]	BUSHING
7.	234-4508	[1]	ROD AS
7A.	235-7771	[1]	BUSHING
8.	170-9847 J	[1]	SEAL-BUFFER
9.	087-5431	[1]	STOP
10.	087-5434	[1]	HEAD
11.	087-5436 J	[1]	RING-BACKUP
12.	093-1572	[1]	RING-RETAINING
13.	095-1632 J	[1]	SEAL-O-RING
14.	096-2665 J	[1]	RING-BACKUP
15.	114-0757	[1]	BUSHING
16.	165-9289 J	[1]	SEAL-LIP TYPE
17.	6I-6787 J	[1]	RING-SEAL
18.	7Y-5215 M	[8]	BOLT-SOCKET HEAD (M24X3X90-MM)
19.	9X-3598 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	215-9985 J	[1]	KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP48700443

295-9400: CYLINDER GP-BOOM

CYLINDER GP-BOOM

295-9400 CYLINDER GP-BOOM
S/N KBE1-UP
140-MM (5.5-IN) BORE X 1407-MM (55.4-IN) STROKE
PART OF 225-4571 CYLINDER & SEAL GP-BOOM
FIELD REPLACEMENT FOR @@@@@225-4572@@@@@
AN ATTACHMENT

i03077302 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	087-5434	[1]	HEAD
2.	123-2060 M	[1]	LOCKNUT (M80X2-THD)
3.	158-9064	[1]	PISTON
4.	158-9065 J	[2]	RING
5.	179-9667 J	[1]	RING
6.	216-0005 J	[1]	SEAL-U-CUP
7.	234-4504	[1]	CYLINDER AS
7A.	228-5654	[1]	BUSHING
8.	247-8791 J	[1]	RING-SEAL
9.	289-8196	[1]	ROD AS
9A.	235-7771	[1]	BUSHING
10.	170-9847 J	[1]	SEAL-BUFFER
11.	087-5431	[1]	STOP
12.	087-5436 J	[1]	RING-BACKUP
13.	093-1572	[1]	RING-RETAINING
14.	095-1632 J	[1]	SEAL-O-RING
15.	096-2665 J	[1]	RING-BACKUP
16.	114-0757	[1]	BUSHING
17.	165-9289 J	[1]	SEAL-LIP TYPE
18.	7Y-5215 M	[8]	BOLT-SOCKET HEAD (M24X3X90-MM)
19.	9X-3598 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	247-8792 J		KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP48700444

225-4578: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

225-4578 CYLINDER GP-BUCKET
S/N KBE1-UP
135-MM (5.32-IN) BORE X 1156-MM (45.51-IN) STROKE
PART OF 225-4577 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02575793 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4622	[1]	LOCKNUT (SPECIAL)
2.	216-0004 J	[1]	SEAL-U-CUP
3.	234-4465	[1]	CYLINDER AS
3A.	235-7769		BUSHING
4.	234-4477	[1]	ROD AS
4A.	228-5615		BUSHING
5.	234-4482	[1]	PISTON
6.	234-4483 J	[2]	RING
7.	234-4485 J	[1]	RING
8.	234-4486	[1]	HEAD
9.	234-4487 J	[1]	RING-BACKUP
10.	237-1934 J	[1]	SEAL AS
11.	128-9260	[1]	BUSHING
12.	165-9288 J	[1]	SEAL-LIP TYPE
13.	170-9846 J	[1]	SEAL-BUFFER
14.	7Y-4628 J	[1]	RING (BACKUP)
15.	7Y-4631	[1]	RING-RETAINING
16.	096-5382 J	[1]	SEAL-O-RING
17.	7Y-5216 M	[8]	BOLT-SOCKET HEAD (M20X2.5X80-MM)

			AVAILABLE REPAIR KIT(S):
	234-4488 J	[1]	KIT-SEAL (CYLINDER)(BUCKET)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP48700445

225-4581: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

225-4581 CYLINDER GP-BUCKET
S/N KBE1-UP; DBH1-UP
150-MM (5.91-IN) BORE X 1151-MM (45.31-IN) STROKE
PART OF 225-4580 CYLINDER & SEAL GP-BUCKET
AN ATTACHMENT

i02544412 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4669 J	[1]	RING-BACKUP
2.	7Y-4695 M	[1]	LOCKNUT (M80X2-THD)
3.	9X-3601 J	[1]	SEAL AS
4.	242-6781	[1]	CYLINDER AS
4A.	235-7770	[1]	BUSHING
5.	7Y-4660	[1]	HEAD
6.	170-9864 J	[1]	SEAL-U-CUP
7.	7Y-4672	[1]	RING-RETAINING
8.	242-6787	[1]	ROD AS
8A.	228-5617	[1]	BUSHING
9.	128-9265 J	[1]	SEAL-BUFFER
10.	165-9290 J	[1]	SEAL-LIP TYPE
11.	188-4216	[1]	PISTON
12.	188-4217 J	[2]	RING
13.	188-4218 J	[1]	RING
14.	095-1633 J	[1]	SEAL-O-RING
15.	114-0760	[1]	BUSHING
16.	7Y-4673 J	[1]	RING-BACKUP
17.	7Y-5215 M	[8]	BOLT-SOCKET HEAD (M24X3X90-MM)

			AVAILABLE REPAIR KIT(S):
	191-5619 J	[1]	KIT-SEAL
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP48700446

315-4442: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

315-4442 CYLINDER GP-BUCKET
S/N KBE1-UP; DBH1-UP
150-MM (5.9-IN) BORE X 1151-MM (45.3-IN) STROKE
PART OF 225-4580 CYLINDER & SEAL GP-BUCKET
Type 1
AN ATTACHMENT

i03043982 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4660	[1]	HEAD
2.	7Y-4669 J	[1]	RING-BACKUP
3.	7Y-4695 M	[1]	LOCKNUT (M80X2-THD)
4.	9X-3601 J	[1]	SEAL AS
5.	128-9265 J	[1]	SEAL-BUFFER
6.	188-4216	[1]	PISTON
7.	188-4218 J	[1]	RING
8.	242-6787	[1]	ROD AS
8A.	228-5617	[1]	BUSHING
9.	315-4443	[1]	CYLINDER AS-HYDRAULIC
9A.	235-7770	[1]	BUSHING
10.	7Y-4672	[1]	RING-RETAINING
11.	165-9290 J	[1]	SEAL-LIP TYPE
12.	170-9864 J	[1]	SEAL-U-CUP
13.	188-4217 J	[2]	RING
14.	095-1633 J	[1]	SEAL-O-RING
15.	114-0760	[1]	BUSHING
16.	7Y-4673 J	[1]	RING-BACKUP
17.	7Y-5215 M	[8]	BOLT-SOCKET HEAD (M24X3X90-MM)

			AVAILABLE REPAIR KIT(S):
	191-5619 J	[1]	KIT-SEAL (BUCKET CYLINDER)
			(ALSO INCLUDES RING-SEAL)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP48700447

315-4442: CYLINDER GP-BUCKET

CYLINDER GP-BUCKET

315-4442 CYLINDER GP-BUCKET
S/N KBE1-UP; DBH1-UP
150-MM (5.9-IN) BORE X 1151-MM (45.3-IN) STROKE
PART OF 225-4580 CYLINDER & SEAL GP-BUCKET
Type 2
AN ATTACHMENT

i04498012 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	358-8524 C	[1]	HEAD
2.	7Y-4669 J	[1]	RING-BACKUP
3.	7Y-4695 M	[1]	LOCKNUT (M80X2-THD)
4.	9X-3601 J	[1]	SEAL AS
5.	324-6438 CJ	[1]	SEAL-BUFFER
6.	188-4216	[1]	PISTON
7.	188-4218 J	[1]	RING
8.	242-6787	[1]	ROD AS
8A.	228-5617	[1]	BUSHING
9.	315-4443	[1]	CYLINDER AS-HYDRAULIC
9A.	235-7770	[1]	BUSHING
10.	7Y-4672	[1]	RING-RETAINING
11.	165-9290 J	[1]	SEAL-LIP TYPE
12.	324-6439 CJ	[1]	SEAL-U-CUP
13.	188-4217 J	[2]	RING
14.	095-1633 J	[1]	SEAL-O-RING
15.	114-0760	[1]	BUSHING
16.	7Y-4673 J	[1]	RING-BACKUP
17.	7Y-5215 M	[8]	BOLT-SOCKET HEAD (M24X3X90-MM)

			AVAILABLE REPAIR KIT(S):
	376-4331 CJ	[1]	KIT-SEAL (BUCKET CYLINDER)
	C		CHANGE FROM PREVIOUS TYPE
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP48700448

225-4575: CYLINDER GP-STICK

CYLINDER GP-STICK

225-4575 CYLINDER GP-STICK
S/N KBE1-UP
105-MM (4.1-IN) BORE X 1646-MM (64.8-IN) STROKE
PART OF 225-4574 CYLINDER & SEAL GP-STICK
AN ATTACHMENT

i02575357 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-4660	[1]	HEAD
2.	7Y-4669 J	[1]	RING-BACKUP
3.	7Y-4672	[1]	RING-RETAINING
4.	7Y-4695 M	[1]	LOCKNUT (M80X2-THD)
5.	9X-3601 J	[1]	SEAL AS
6.	188-4217 J	[2]	RING
7.	188-4218 J	[1]	RING
8.	234-4509	[1]	CYLINDER AS
8A.	235-7770	[1]	BUSHING
9.	242-6833 J	[1]	RING-SEAL
10.	266-7839	[1]	ROD AS
10A.	343-9336	[1]	BUSHING
11.	165-9290 J	[1]	SEAL-LIP TYPE
12.	170-9864 J	[1]	SEAL-U-CUP
13.	188-4216	[1]	PISTON
14.	095-0929	[2]	RING-RETAINING (EXTERNAL)
15.	095-1633 J	[1]	SEAL-O-RING
16.	103-8378	[1]	RING-RETAINING
17.	103-8379	[1]	RING
18.	103-8380	[1]	STOP
19.	114-0760	[1]	BUSHING
20.	128-9265 J	[1]	SEAL-BUFFER
21.	7Y-4673 J	[1]	RING-BACKUP
22.	7Y-4918	[1]	STOP
23.	7Y-5215 M	[8]	BOLT-SOCKET HEAD (M24X3X90-MM)

			AVAILABLE REPAIR KIT(S):
	242-6840 J	[1]	KIT-SEAL (STICK CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP48700449

259-0778: CYLINDER GP-STICK

CYLINDER GP-STICK

259-0778 CYLINDER GP-STICK
S/N KBE1-UP; DBH1-UP
150-MM (5.9-IN) BORE X 1646-MM (64.8-IN) STROKE
PART OF 259-0777 CYLINDER & LINES GP-STICK
AN ATTACHMENT

i02532091 SEBP4870

For full view, you need register

Parts for your 325D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	133-6909 J	[1]	SEAL-LIP TYPE
2.	194-8355 J	[1]	RING-BACKUP
3.	194-8354 J	[1]	SEAL-U-CUP
4.	209-6009 J	[1]	SEAL
5.	099-5572	[1]	BUSHING
6.	099-5573	[1]	RING-RETAINING
7.	194-8353	[1]	HEAD
8.	9X-2404 M	[12]	BOLT-SOCKET HEAD (M20X2.5X90-MM)
9.	095-1723 J	[1]	SEAL-O-RING
10.	114-0706 J	[1]	RING-BACKUP
11.	234-4578	[1]	ROD AS
11A.	235-7770	[1]	BUSHING
12.	234-4577	[1]	CYLINDER AS
12A.	235-7770	[1]	BUSHING
13.	121-1548	[1]	STOP
14.	231-6805 J	[1]	RING-SEAL
15.	114-0711 J	[2]	RING-BACKUP
16.	114-0710 J	[1]	SEAL AS
17.	234-4574 J	[2]	RING
18.	114-0713 J	[2]	RING
19.	234-4573	[1]	PISTON
20.	096-6210 M	[1]	SETSCREW-SOCKET (M14X2X14-MM)
21.	4B-9880	[1]	BALL
22.	085-8605	[1]	RING-RETAINING
23.	194-8359 J	[1]	RING-SEAL
24.	121-1549	[1]	STOP
25.	085-8604	[2]	RING-RETAINING
26.	166-1494	[4]	SEAL-LIP TYPE
27.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)

			AVAILABLE REPAIR KIT(S):
	259-0779 J		KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

Information:

HYDRAULIC SYSTEM

CYLINDER GP

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}

Procedure for the Ultrasonic Inspection of the Welded Joint Between the Rod and the Eye of Hydraulic Cylinders{7562}
Procedure for the Ultrasonic Inspection of the Welded Joint Between the Rod and the Eye of Hydraulic Cylinders{7562}

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

Service Letter-NACD

PRODUCT IMPROVEMENT PROGRAM FOR REMOVING MACHINES FROM SERVICE AND INSPECTING/REPLACING CYLINDERS ON CERTAIN 320D, 321D, 324D, 325D, AND 328D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REMOVING MACHINES FROM SERVICE AND INSPECTING/REPLACING CYLINDERS ON CERTAIN 320D, 321D, 324D, 325D, AND 328D EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE STICK CYLINDER SEAL KIT AND IF NECESSARY, THE STICK CYLINDER ASSEMBLY, ON CERTAIN 325D, 328D, AND 329D HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACEMENT OF THE STICK CYLINDER SEAL KIT AND IF NECESSARY, THE STICK CYLINDER ASSEMBLY, ON CERTAIN 325D, 328D, AND 329D HYDRAULIC EXCAVATORS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}

Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}

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}

Specifications

Boom Lines
325D and 329D Excavators Machine System Specifications

Bucket Cylinder
325D and 329D Excavators Machine System Specifications

Stick Cylinder
325D and 329D Excavators Machine System Specifications

Bucket Cylinder
325D and 329D Excavators Machine System Specifications

Stick Cylinder
325D and 329D Excavators Machine System Specifications

Boom Cylinder Lines
325D and 329D Excavators Machine System Specifications

Boom Lines
325D and 329D Excavators Machine System Specifications

Stick Cylinder
325D and 329D Excavators Machine System Specifications

Boom Cylinder
325D and 329D Excavators Machine System Specifications

Stick Cylinder
325D and 329D Excavators Machine System Specifications

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}

Service Letter-China

Service Letter-Asia

Systems Operation

Cylinders (Boom, Stick and Bucket)
325D and 329D Excavators Hydraulic System

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}

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}

Service Letter-APD

Testing and Adjusting

Cylinder Speed - Check
325D and 329D Excavators Hydraulic System

Cylinder Drift - Check - Loaded Bucket
325D and 329D Excavators Hydraulic System

Cylinder Drift - Check - Empty Bucket
325D and 329D Excavators Hydraulic System

Bench Test Procedures

Disassembly and Assembly

Bucket Cylinder - Remove and Install
324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems

Boom Cylinder - Remove and Install
324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems

Stick Cylinder - Remove and Install
324D, 325D, 326D and 329D Excavators and 329D MHPU Mobile Hydraulic Power Unit Machine Systems

Service Magazine

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

Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16

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

Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}
Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}

Improved Pin Assemblies and Bushings for the Boom, the Stick, and the Bucket Pin Joints Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5456, 5457, 5458, 6501, 6502, 6513}
2012/12/19

Improved Seals for Implement Cylinders are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5456, 5457}
2013/01/28

A New Seal Kit is Now Available for the Stick Cylinder for Certain 325D, 328D, and 329D Excavators {5458}
2013/09/18

Hydraulic Cylinder Piston Assembly for Certain 320D/320E to 329D/329E Excavators {5456, 5457, 5458}
2014/03/27

Cat® Reman Announces the Availability of Remanufactured Hydraulic Rods and Cylinders for Certain Cat Machines {7562}
2015/08/21

Caterpillar Parts SIS Catalog 325D :

225-4597 CYLINDER & SEAL GP-STICK

225-4588 CYLINDER & SEAL GP-STICK

225-4574 CYLINDER & SEAL GP-STICK

349-4152 CYLINDER & SEAL GP-BUCKET

341-2182 CYLINDER & SEAL GP-BUCKET

225-4599 CYLINDER & SEAL GP-BUCKET

225-4591 CYLINDER & SEAL GP-BUCKET

225-4580 CYLINDER & SEAL GP-BUCKET

349-4148 CYLINDER & SEAL GP-STICK

225-4572 CYLINDER GP-BOOM

295-9400 CYLINDER GP-BOOM

225-4578 CYLINDER GP-BUCKET

225-4581 CYLINDER GP-BUCKET

315-4442 CYLINDER GP-BUCKET

225-4575 CYLINDER GP-STICK

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Caterpillar 325D
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