3V6318 CYLINDER & SEAL GP-LIFT 3G2991-PAGE 189 IT28B INTEGRATED TOOLCARRIER

HYDRAULIC SYSTEM

CYLINDER GP

0. 3V-6318 CYLINDER &
1. 3V-6329 CYLINDER &
2. 8V-9684 CYLINDER &
3. 9T-2352 CYLINDER G
4. 6E-5393 CYLINDER G
5. 9T-8485 CYLINDER G

STEERING SYSTEM

CYLINDER GP

6. 3G-3501 CYLINDER G

HYDRAULIC SYSTEM

CYLINDER GP

7. 3G-2991 CYLINDER G
8. 3G-2991 CYLINDER G
9. 4T-5545 CYLINDER G
0. INFORMATION

INTEGRATED TOOLCARRIER IT28B INTEGRATED TOOLCARRIER 1HF
IT28B INTEGRATED TOOLCARRIER 1HF00001-UP (MACHINE) POWERED BY 3204 ENGINE SEBP1646 IT28B 1HF (1987)

HYDRAULIC SYSTEM

CYLINDER GP

8R-1546 CYLINDER & MOUNTING GP

3V-6318 CYLINDER & SEAL GP-LIFT

3V-6329 CYLINDER & SEAL GP

8V-9684 CYLINDER & SEAL GP

9T-2352 CYLINDER GP-PIN COUPLER

#SEBP16460360

3V-6318: CYLINDER & SEAL GP-LIFT

CYLINDER & SEAL GP-LIFT

3V6318 CYLINDER & SEAL GP-LIFT
3G2991-PAGE 189

c319245 SEBP1646

3V6318 CYLINDER & SEAL GP-LIFT Parts scheme

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-2991 Y	[1]	CYLINDER GP-LIFT
2.	7K-9204	[4]	SEAL-LIP TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP16460361

3V-6329: CYLINDER & SEAL GP

CYLINDER & SEAL GP

3V6329 CYLINDER & SEAL GP-STEERING
3G3501-PAGE 188
PART OF 3V6286 CYLINDER & MOUNTING

c319055 SEBP1646

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-3501 Y	[1]	CYLINDER GP-STEERING
2.	7K-9201	[4]	SEAL-LIP TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP16460362

8V-9684: CYLINDER & SEAL GP

CYLINDER & SEAL GP

8V9684 CYLINDER & SEAL GP-TILT

SEBP16460362 SEBP1646

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Part No	Qty	Parts name



4T-5545 Y	[1]	CYLINDER GP-TILT

7K-9203	[2]	SEAL
Y		SEPARATE ILLUSTRATION

#SEBP16460363

9T-2352: CYLINDER GP-PIN COUPLER

CYLINDER GP-PIN COUPLER

9T2352 CYLINDER GP-PIN COUPLER
50.8 MM (2 IN) BORE X 79 MM (3.11 IN) STROKE
S/N 1HF1-1520
PART OF 9V8921 CYLINDER & MOUNTING

c334083 SEBP1646

9T2352 CYLINDER GP-PIN COUPLER Parts scheme

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9T-2351	[2]	ROD
	9T-0418 BF	[1]	SEAL KIT
			(INCLUDES SEALS & RINGS)
	B		USE AS REQUIRED
	F		NOT SHOWN

#SEBP16460364

6E-5393: CYLINDER GP-PIN COUPLER

CYLINDER GP-PIN COUPLER

6E5393 CYLINDER GP-PIN COUPLER
51 MM (2 IN) BORE X 230 MM (9 IN) STROKE. S/N 1HF2334-UP
PART OF 8R1546 CYLINDER & MOUNTING

c523045 SEBP1646

6E5393 CYLINDER GP-PIN COUPLER Parts scheme

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6E-5394	[2]	ROD-PISTON
	9T-0418 BF	[1]	KIT-SEAL
			(INCLUDES SEALS & RINGS)
	B		USE AS REQUIRED
	F		NOT SHOWN

#SEBP16460365

9T-8485: CYLINDER GP

CYLINDER GP

9T8485 CYLINDER GP-PIN COUPLER
51 MM (2 IN) BORE X 79 MM (3 IN) STROKE. S/N 1HF1521-2333
PART OF 8R1546 CYLINDER & MOUNTING

c519604 SEBP1646

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6E-1989	[2]	ROD-PISTON
	9T-0418 BF	[1]	KIT-SEAL
			(INCLUDES SEALS AND RINGS)
	B		USE AS REQUIRED
	F		NOT SHOWN

#SEBP16460366

3G-3501: CYLINDER GP-STEERING

CYLINDER GP-STEERING

3G3501 CYLINDER GP-STEERING-(CHANGE 6)
76.2MM (3IN) BORE X 450MM (17.7IN) STROKE
PART OF 3V6329 CYLINDER & SEAL

c326155 SEBP1646

3G3501 CYLINDER GP-STEERING Parts scheme

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3G-3316 R	[1]	CYLINDER AS
	3G-8115	[1]	BEARING-SLEEVE
2.	7J-5639	[1]	BOLT-SELF LOCKING
	5P-8250	[1]	WASHER
3.	6J-5733 J	[1]	RING-WEAR
4.	6J-1972 J	[1]	SEAL AS
5.	6J-9733 J	[1]	SEAL-RING
6.	5J-8150 J	[1]	SEAL-U-CUP
7.	4J-8979 J	[1]	SEAL-LIP TYPE
8.	3G-3313 R	[1]	ROD AS
	3G-7570	[1]	BEARING-SLEEVE
9.	8J-5911	[1]	CROWN
10.	5H-8848 J	[1]	SEAL-O-RING
	6J-5731 J	[1]	RING-BACK-UP
11.	8J-0556	[1]	HEAD
12.	8J-0553	[1]	PISTON

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	8T-1435 C	[1]	KIT-HYD CYLINDER SEAL
			(INCL PARTS MARKED J)
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE

#SEBP16460367

3G-2991: CYLINDER GP-LIFT

CYLINDER GP-LIFT

3G2991 CYLINDER GP-LIFT-(CHANGE 6)
TYPE 1 - 120.65MM (4.75IN) BORE X 675MM (26.5IN) STROKE
PART OF 3V6318 CYLINDER & SEAL

c352681 SEBP1646

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4J-3342	[1]	RING-WEAR
2.	5J-4987	[1]	SEAL AS
3.	8J-5965	[1]	PISTON
4.	5J-3620	[1]	SEAL-RING
5.	5J-0964	[1]	SEAL-U-CUP
6.	3G-3910	[1]	CROWN

7.	3G-2983 R	[1]	ROD AS
8.	1K-6982	[1]	SEAL-LIP TYPE
9.	2J-3961	[1]	RING-BACK-UP
10.	5H-6734	[1]	SEAL-O-RING
11.	8J-5966	[1]	HEAD
12.	9T-4305 CR	[1]	CYLINDER AS
13.	3G-2977	[1]	BEARING-SLEEVE
14.	3S-6162	[1]	WASHER-HARD

15.	8J-6164	[1]	BOLT-SELF LOCKING
			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	8T-1381	[1]	KIT-HYD CYLINDER SEAL
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE

#SEBP16460368

3G-2991: CYLINDER GP-LIFT

CYLINDER GP-LIFT

3G2991 CYLINDER GP-LIFT-(CHANGE 07)
TYPE 2 - 120.65MM (4.75IN) BORE X 675MM (26.5IN) STROKE
PART OF 3V6318 CYLINDER & SEAL

c409992 SEBP1646

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4J-3342 J	[1]	RING-WEAR
2.	5J-4987	[1]	SEAL AS
3.	8J-5965	[1]	PISTON
4.	5J-3620 J	[1]	SEAL-RING
5.	5J-0964 J	[1]	SEAL-U-CUP
6.	3G-3910	[1]	CROWN
7.	3G-2983 R	[1]	ROD AS
8.	1K-6982 J	[1]	SEAL-LIP TYPE
9.	2J-3961 J	[1]	RING-BACK-UP
10.	5H-6734 J	[1]	SEAL-O-RING
11.	9T-4763 C	[1]	HEAD
12.	9T-4305 R	[1]	CYLINDER AS
13.	3G-2977	[1]	BEARING-SLEEVE
14.	3S-6162	[1]	WASHER-HARD
15.	8J-6164	[1]	BOLT-SELF LOCKING
16.	8T-5668 C	[1]	RING-WEAR
			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	8T-1381	[1]	KIT-HYD CYLINDER SEAL
			(INCL PARTS MARKED J)
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE

#SEBP16460369

4T-5545: CYLINDER GP-TILT

CYLINDER GP-TILT

4T5545 CYLINDER GP-TILT-(CHANGE 02)
MULTI-PURPOSE FRONT END
107.95MM (4.25IN) BORE X 726MM (28.6IN) STROKE. TYPE 1
PART OF 8V9684 CYLINDER & SEAL

c323099 SEBP1646

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Parts for your IT28B INTEGRATED TOOLCARRIER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4T-5788 R	[1]	CYLINDER AS.
	7J-9682	[1]	BEARING
2.	6J-4003	[1]	RING
3.	5J-7854	[1]	SEAL AS.
4.	4T-5784	[1]	PISTON
5.	8J-8431	[1]	HEAD
6.	4T-5101	[1]	CROWN
7.	4T-5786	[1]	ROD AS.
8.	1K-6982	[1]	SEAL
9.	5J-0964	[1]	SEAL
10.	5J-7865	[1]	RING
11.	1H-6227	[1]	SEAL
12.	5J-3620	[1]	SEAL
13.	5P-8250	[1]	WASHER
14.	7J-5639	[1]	BOLT
	R		REMFG PART MAY BE AVAILABLE

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 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}

Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}

Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {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}

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}

Specifications

Makeup And Relief Valve For Rod End Of Coupler Cylinder (4T947)
IT28 & IT28B INTEGRATED TOOLCARRIER SERVICE MANUAL

Makeup And Relief Valve For Head End Of Coupler, Tilt And Attachment Cylinders (4T7002)
IT28 & IT28B INTEGRATED TOOLCARRIER SERVICE MANUAL

Relief Valve For Rod End Of Tilt And Attachment Cylinders (9T5310)
IT28 & IT28B INTEGRATED TOOLCARRIER SERVICE MANUAL

Coupler Cylinder (9T2352)
IT28 & IT28B INTEGRATED TOOLCARRIER SERVICE MANUAL

Attachment Coupler Cylinder (4T5544)
IT28 & IT28B INTEGRATED TOOLCARRIER SERVICE MANUAL

Cylinder Mounting Group (9V8921)
IT28 & IT28B INTEGRATED TOOLCARRIER SERVICE MANUAL

Makeup And Relief Valve For Rod End Of Coupler Cylinder 4T947
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

Makeup And Relief Valve For Head End Of Coupler, Tilt And Attachment Cylinders 4T7002
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

Relief Valve For Rod End Of Tilt And Attachment Cylinders
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

Lift Cylinders 3G2991
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

Tilt Cylinders 4T5545
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

Coupler Cylinder 4T9981 (earlier) 9T2352 (later)
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

Attachment Coupler Cylinder 4T5544
IT28 & IT28B INTEGRATED TOOLCARRIERS HYDRAULIC SYSTEM

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}

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}

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}

Bench Test Procedures

Disassembly and Assembly

Coupler Cylinder (Quick)
IT18, IT18B, IT28, & IT28B INTEGRATED TOOLCARRIERS VEHICLE S

Tilt Cylinders
IT18, IT18B, IT28, & IT28B INTEGRATED TOOLCARRIERS VEHICLE S

Lift Cylinders
IT18, IT18B, IT28, & IT28B INTEGRATED TOOLCARRIERS VEHICLE S

Cylinders (Lift, Tilt, & Steering)
IT18, IT18B, IT28, & IT28B INTEGRATED TOOLCARRIERS VEHICLE S

Service Magazine

New Mounting And Cylinder Group, Quick Coupler Group And Lines Group Improve Visibility{5133,5057,6129}
1990/02/12

Spacer Blocks And Shims Improve Rod Retention And Pin Alignment Of Coupler Cylinder {6129,5133}
1990/11/12

New Cylinder Group Available For Quick Coupler And Mounting Group{6129,5133}
1991/01/07

New Quick Coupler Cylinder Groups Contain Components To Prevent Piston/Rod Nuts From Becoming Loose{6129,5133}
1991/12/02

New Quick Coupler Cylinder Rods Require A Drilled Hole To Secure Spring Retaining Pin{6129,5133}
1992/06/01

Implement Retainer Pin Holes May Not Align With Quick Coupler Holes; Coupler Cylinder Piston Rods May Damage Implement Retainer Pin Mounting Holes{6129,5133}
1992/06/01

Serviceable Parts Available For Tilt Cylinder Load Control Valve Groups{5104,5117,5123,5127}
1993/11/01

Snap Ring Improves Rod Wiper Seal Retention {4303,5101,5102,5104,5213}
1999/07/12

New Backup Rings Are Available for Sealing Hydraulic Cylinders with Pitted Grooves {4303, 5102, 5104, 5106, 5456, 7562}
2002/07/01

New Assembly Instructions for Rod Seals on Hydraulic Cylinders are Available {7562}
2001/07/30

Correctly Assembling the Buffer Seal Will Prevent Failure of the U-Cup Seals {7562}
2001/07/30

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 IT28B :

8R-1546 CYLINDER & MOUNTING GP

3V-6286 CYLINDER & MOUNTING GP

9V-8921 CYLINDER & MOUNTING GP

8V-4502 MOUNTING GP-HYDRAULIC TANK

4T-0489 TANK & FILTER GP

9T-8367 TANK & FILTER GP

3V-6329 CYLINDER & SEAL GP

8V-9684 CYLINDER & SEAL GP

9T-2352 CYLINDER GP-PIN COUPLER

6E-5393 CYLINDER GP-PIN COUPLER

9T-8485 CYLINDER GP

3G-3501 CYLINDER GP-STEERING

3G-2991 CYLINDER GP-LIFT

Truck sale:

11,215 USD

Caterpillar IT28B, Construction
- Wheel Loaders
FINNING CANADA
Canada

16,000

Caterpillar IT28B, Construction
- Wheel Loaders
MILTON CAT

36,000

Caterpillar IT28B, Construction
- Wheel Loaders
N C MACHINERY CO.

CATERPILLAR IT28B 1991
- WHEEL LOADERS/INTEGRATED TOOLCARRIERS
N C MACHINERY
- Billings - United States

CATERPILLAR IT28B 1989
- WHEEL LOADERS/INTEGRATED TOOLCARRIERS
CARTER MACHINERY
United States