158-8990 CYLINDER & LINES GP-BOOM -RH S/N EAG1-UP PART OF 163-7737, 176-2713 BOOM AR-1 PIECE LONG AN ATTACHMENT 320C L

204-3614 CYLINDER & SEAL GP-BOOM
S/N EAG1-UP
120-MM (4.72-IN) BORE X 1260-MM (49.6-IN) STROKE
PART OF 158-8989, 158-8990 CYLINDER & LINES GP-BOOM
AN ATTACHMENT

i02145395 SEBP4503

2043614 CYLINDER & SEAL GP-BOOM Parts scheme

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Parts for your 320C L EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	121-1611 J	[1]	SEAL-LIP TYPE
2.	096-1568 J	[1]	RING-BACKUP
3.	096-1567 J	[1]	SEAL-U-CUP
4.	204-3622 J	[1]	SEAL-BUFFER
5.	096-4402	[1]	BUSHING
6.	094-0747	[1]	RING-RETAINING
7.	185-0334	[1]	HEAD
8.	8T-1447 M	[12]	BOLT-SOCKET HEAD (M16X2X70-MM)
9.	096-3964 J	[1]	RING-BACKUP
10.	095-1717 J	[1]	SEAL-O-RING
11.	177-2575	[1]	ROD AS
11A.	163-3746	[1]	BUSHING
12.	177-2574	[1]	CYLINDER AS
12A.	163-3753	[1]	BUSHING
13.	4I-8864	[1]	STOP
14.	126-1935 J	[1]	RING-SEAL
15.	4I-3614	[1]	PISTON
16.	4I-3615 J	[2]	RING-BACKUP
17.	096-7803 J	[1]	SEAL AS
18.	247-8865 J	[2]	RING
19.	086-0255 J	[2]	RING
20.	096-4408 J	[1]	SHIM (0.3-MM THK)
21.	096-3216 M	[1]	SETSCREW-SOCKET (M12X1.75X12-MM)
22.	3D-2891	[1]	BALL
23.	177-2572	[1]	LOCKNUT-SPECIAL
24.	177-2573	[2]	SEAL-LIP TYPE
25.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)
26.	166-1494	[2]	SEAL-LIP TYPE

			AVAILABLE REPAIR KIT(S):
	247-8998 J	[1]	KIT-SEAL (BOOM CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP45030205

204-3689: CYLINDER & SEAL GP-BUCKET

CYLINDER & SEAL GP-BUCKET

204-3689 CYLINDER & SEAL GP-BUCKET
S/N EAG1-UP
120-MM (4.72-IN) BORE X 1030-MM (40.55-IN) STROKE
PART OF 158-8996 CYLINDER & LINES GP-BUCKET
AN ATTACHMENT

i02132021 SEBP4503

2043689 CYLINDER & SEAL GP-BUCKET Parts scheme

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Parts for your 320C L EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	121-1611 J	[1]	SEAL-LIP TYPE
2.	096-1568 J	[1]	RING-BACKUP
3.	096-1567 J	[1]	SEAL-U-CUP
4.	204-3622 J	[1]	SEAL-BUFFER
5.	096-4402	[1]	BUSHING
6.	094-0747	[1]	RING-RETAINING
7.	177-2611	[1]	HEAD
8.	8T-1447 M	[12]	BOLT-SOCKET HEAD (M16X2X70-MM)
9.	096-3964 J	[1]	RING-BACKUP
10.	095-1717 J	[1]	SEAL-O-RING
11.	204-3695	[1]	ROD AS
11A.	163-3751	[1]	BUSHING
12.	204-3693	[1]	CYLINDER AS
12A.	163-3748	[1]	BUSHING
13.	204-3690	[1]	PISTON
14.	4I-3615 J	[2]	RING-BACKUP
15.	096-7803 J	[1]	SEAL AS
16.	247-8865 J	[2]	RING
17.	086-0255 J	[2]	RING
18.	5I-4616 J	[1]	SHIM (0.3-MM THK)
19.	096-3216 M	[1]	SETSCREW-SOCKET (M12X1.75X12-MM)
20.	3D-2891	[1]	BALL
21.	185-0222	[1]	LOCKNUT-SPECIAL
22.	177-2573	[2]	SEAL-LIP TYPE
23.	150-5849	[2]	SEAL-LIP TYPE
24.	3B-8489	[2]	FITTING-GREASE (1/8-27 PTF)

			AVAILABLE REPAIR KIT(S):
	247-9001	[1]	KIT-SEAL (BUCKET CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP45030206

204-3615: CYLINDER & SEAL GP-STICK

CYLINDER & SEAL GP-STICK

204-3615 CYLINDER & SEAL GP-STICK
S/N EAG1-UP
140-MM (5.51-IN) BORE X 1430-MM (56.3-IN) STROKE
PART OF 158-8992 CYLINDER & LINES GP-STICK
AN ATTACHMENT

i02267040 SEBP4503

2043615 CYLINDER & SEAL GP-STICK Parts scheme

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Parts for your 320C L EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	133-6904 J	[1]	SEAL-LIP TYPE
2.	121-1372 J	[1]	RING-BACKUP
3.	121-1371 J	[1]	SEAL-U-CUP
4.	204-3623 J	[1]	SEAL-BUFFER
5.	096-5625	[1]	BUSHING
6.	094-1931	[1]	RING-RETAINING
7.	185-0335	[1]	HEAD
8.	4I-3628 M	[12]	BOLT-SOCKET HEAD (M18X2.5X80-MM)
9.	4I-3627 J	[1]	RING-BACKUP
10.	095-1721 J	[1]	SEAL-O-RING
11.	177-2599	[1]	ROD AS
11A.	236-6269	[1]	BUSHING
12.	177-2598	[1]	CYLINDER AS
12A.	236-6269	[1]	BUSHING
13.	4I-8869	[1]	STOP
14.	126-1876 J	[1]	RING-SEAL
15.	105-2593	[1]	PISTON
16.	4I-3631 J	[2]	RING-BACKUP
17.	096-1570 J	[1]	SEAL AS
18.	247-8874 J	[2]	RING
19.	096-1571 J	[2]	RING
20.	096-5741 J	[1]	SHIM (0.3-MM THK)
21.	096-6210 M	[1]	SETSCREW-SOCKET (M14X2X14-MM)
22.	4B-9880	[1]	BALL
23.	177-2596 M	[1]	LOCKNUT-SPECIAL
24.	096-4461	[1]	RING-RETAINING
25.	126-1879 J	[1]	RING-SEAL
26.	126-1878	[1]	STOP
27.	6I-6971	[2]	RING-RETAINING
28.	177-2573	[4]	SEAL-LIP TYPE
29.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)

			AVAILABLE REPAIR KIT(S):
	259-0633 J	[1]	KIT-SEAL (STICK CYLINDER)
	J		KIT MARKED J INCLUDES PART(S) MARKED J
	M		METRIC PART

#SEBP45030207

214-4500: CYLINDER & SEAL GP-STICK

CYLINDER & SEAL GP-STICK

214-4500 CYLINDER & SEAL GP-STICK
S/N EAG1-UP
PART OF 214-4499 CYLINDER & LINES GP-STICK
AN ATTACHMENT

i02411121 SEBP4503

2144500 CYLINDER & SEAL GP-STICK Parts scheme

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Parts for your 320C L EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	133-6904 J	[1]	SEAL-LIP TYPE
2.	121-1372 J	[1]	RING-BACKUP
3.	121-1371 J	[1]	SEAL-U-CUP
4.	204-3623 J	[1]	SEAL-BUFFER
5.	096-5625	[1]	BUSHING
6.	094-1931	[1]	RING-RETAINING
7.	185-0335	[1]	HEAD
8.	4I-3628 M	[12]	BOLT-SOCKET HEAD (M18X2.5X80-MM)
9.	4I-3627 J	[1]	RING-BACKUP
10.	095-1721 J	[1]	SEAL-O-RING
11.	177-2599	[1]	ROD AS
11A.	236-6269	[1]	BUSHING
12.	177-2598	[1]	CYLINDER AS
12A.	236-6269	[1]	BUSHING
13.	4I-8869	[1]	STOP
14.	214-4501 J	[1]	RING-SEAL
15.	105-2593	[1]	PISTON
16.	4I-3631 J	[2]	RING-BACKUP
17.	096-1570 J	[1]	SEAL AS
18.	247-8874 J	[2]	RING
19.	096-1571 J	[2]	RING
20.	096-5741 J	[1]	SHIM (0.3-MM THK)
21.	096-6210 M	[1]	SETSCREW-SOCKET (M14X2X14-MM)
22.	4B-9880	[1]	BALL
23.	177-2596 M	[1]	LOCKNUT-SPECIAL
24.	096-4461	[1]	RING-RETAINING
25.	126-1879 J	[1]	RING-SEAL
26.	126-1878	[1]	STOP
27.	6I-6971	[2]	RING-RETAINING
28.	177-2573	[4]	SEAL-LIP TYPE
29.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)

			AVAILABLE REPAIR KIT(S):
	259-0635 J	[1]	KIT-SEAL (STICK CYLINDER)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP45030208

148-4644: DRIVE GP-SWING

DRIVE GP-SWING

148-4644 DRIVE GP-SWING -WITHOUT MOTOR
S/N EAG1-UP
PART OF 148-4679 DRIVE GP-SWING

i01319773 SEBP4503

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Parts for your 320C L EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	094-0584	[6]	WASHER (40.3X72X1-MM THK)
2.	094-1509	[3]	SHAFT-PLANETARY
3.	148-4733	[3]	GEAR-PLANETARY (26-TEETH)
4.	114-1581	[1]	SPACER (57.5X74X6-MM THK)
5.	148-4732	[1]	GEAR-SUN (20-TEETH)
6.	093-1729	[2]	RING-RETAINING
7.	148-4632	[1]	GEAR-SUN (23-TEETH)
8.	191-2578	[1]	CARRIER-PLANETARY
9.	7Y-1434	[1]	SPACER (40X69.5X6-MM THK)
10.	148-4637	[1]	CARRIER-PLANETARY
11.	148-4640	[1]	RING-RETAINING
12.	148-4643	[1]	BEARING
13.	095-1022	[1]	BEARING-ROLLER
14.	148-4642	[1]	SEAL-O-RING
15.	227-6228	[1]	CAGE
16.	453-3447 M	[6]	BOLT (M12X1.75X40-MM)
17.	451-2182	[6]	WASHER-HARD (13.5X25.5X3-MM THK)
18.	199-4561	[2]	SEAL-LIP TYPE
19.	148-4636	[1]	SHAFT-PINION
20.	148-4638	[1]	HOUSING
21.	3K-0360	[1]	SEAL-O-RING
22.	6V-7238	[1]	VALVE-SHUTOFF (SWING DRIVE)
23.	148-4634	[3]	SHAFT-PLANETARY
24.	095-0891	[3]	PIN-SPRING
25.	148-4635	[1]	GEAR-RING (73-TEETH)
26.	148-4633	[3]	GEAR-PLANETARY (25-TEETH)
27.	7Y-0252	[6]	BEARING AS-ROLLER
28.	094-0611	[6]	WASHER (47.3X76X1-MM THK)
29.	095-0886	[3]	PIN-SPRING
30.	094-1516	[3]	BEARING-ROLLER
31.	171-9383	[1]	SPACER

	1U-8846 BF		SEALANT-GASKET
	B		USE AS REQUIRED
	F		NOT SHOWN
	M		METRIC PART

#SEBP45030209

148-4679: DRIVE GP-SWING

DRIVE GP-SWING

148-4679 DRIVE GP-SWING -WITH MOTOR
S/N EAG1-UP
PART OF 148-4681 POWER TRAIN AR
Type 1

i01319734 SEBP4503

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Parts for your 320C L EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	148-4644 Y	[1]	DRIVE GP-SWING (WITHOUT MOTOR)
2.	114-1398	[1]	GAUGE-OIL LEVEL (SWING DRIVE)
3.	114-1399	[1]	PIPE-GAUGE
4.	158-8985 Y	[1]	MOTOR & MTG GP-SWING
5.	1U-8846 B		SEALANT-GASKET
6.	231-6864	[1]	BREATHER AS
6A.	114-8234	[1]	BREATHER (SWING DRIVE)
6B.	231-6969	[1]	NIPPLE-PIPE
6C.	093-5150	[1]	COUPLING-PIPE
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION

Information:

HYDRAULIC SYSTEM

CYLINDER GP

Special Instruction

Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}

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

Technical Information Bulletin

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}

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 Magazine

Double Lip Wiper Seals Must Be Installed Properly {7562}
2002/12/09

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}
2009/01/05

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

Caterpillar Parts SIS Catalog 320C L :

158-8989 CYLINDER & LINES GP-BOOM

162-6177 COUPLING GP-PUMP

272-4795 COUPLING GP-FLEXIBLE

255-2943 COUPLING GP-FLEXIBLE

215-5924 CONTROL AR-COUPLER

200-6640 CONTROL AR-AUXILIARY

173-7977 CONTROL AR-AUXILIARY

158-8996 CYLINDER & LINES GP-BUCKET

158-8992 CYLINDER & LINES GP-STICK

214-4499 CYLINDER & LINES GP-STICK

204-3614 CYLINDER & SEAL GP-BOOM

204-3689 CYLINDER & SEAL GP-BUCKET

204-3615 CYLINDER & SEAL GP-STICK

214-4500 CYLINDER & SEAL GP-STICK

148-4644 DRIVE GP-SWING

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