4T3754 LINES GP-FUEL PART 1 OF 2 S/N 6BB1-1231 621E WHEEL TRACTOR

FUEL SYSTEM

LINES GP-FUEL

0. 4T-3754 LINES GP-F
1. 4T-3754 LINES GP-F
2. 4T-3754 LINES GP-F
3. 4T-3754 LINES GP-F
4. 7W-8971 LINES GP-F

FILTER GP-FUEL

5. 4N-7935 COVER GP-F
6. 4N-1981 FILTER GP-

PUMP GP-FUEL PRIMING

7. 1W-4279 PUMP GP-FU
8. 8W-2110 PUMP GP-FU
9. 8N-3365 PUMP GP-FU
0. INFORMATION

WHEEL TRACTOR 621E WHEEL TRACTOR 6AB
621E TRACTOR-SCRAPER / POWER SHIFT / 6AB00001-01427 (MACHINE) POWERED BY 3406 ENGINE SEBP1628 621E 6AB (1986)

FUEL SYSTEM

LINES GP-FUEL

5T-1283 LINES GP-FUEL

4T-3754 LINES GP-FUEL

7W-8971 LINES GP-FUEL FILTER

#SEBP16280140

4T-3754: LINES GP-FUEL

LINES GP-FUEL

4T3754 LINES GP-FUEL PART 1 OF 2
S/N 6BB1-1231

c347566 SEBP1628

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-8982	[1]	ELBOW-90 DEGREE
2.	6V-9170	[1]	NUT-BULKHEAD
3.	6V-9852	[1]	ELBOW-SWIVEL
4.	7J-9108	[4]	SEAL-O-RING
5.	6V-8980	[1]	ELBOW-90 DEGREE
	6V-9168	[1]	NUT
6.	6V-9850	[1]	ELBOW
7.	6V-8397	[4]	SEAL-O-RING
8.	0S-0509	[10]	BOLT
	5M-2894	[10]	WASHER
9.	8W-2749 I	[1]	HOSE AS
10.	8W-2746 I	[1]	HOSE AS
11.	8M-2773	[9]	CLIP (SMALL)
12.	6D-4636	[9]	CLIP (LARGE)
13.	6V-8722	[1]	ELBOW-FACE SEAL
14.	3K-0360	[2]	SEAL-O-RING
15.	8T-0081	[1]	VALVE-BALL
	I		SEE HOSE FABRICATION GUIDE

#SEBP16280141

4T-3754: LINES GP-FUEL

LINES GP-FUEL

4T3754 LINES GP-FUEL PART 2 OF 2
S/N 6BB1-1231

c734902 SEBP1628

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
16.	6D-4636	[3]	CLIP (23.81MM ID)
17.	0S-0509	[3]	BOLT (3/8-16X.75IN)
18.	6V-9852	[2]	ELBOW-SWIVEL
19.	7J-9108	[7]	SEAL-O-RING (15.72MM ID)
20.	6V-8996	[1]	UNION-BULKHEAD
21.	6V-9170	[1]	NUT-BULKHEAD (1-14 THD)
22.	6V-9845	[1]	TEE-SWIVEL
23.	7D-7233	[2]	CLIP (38.1MM ID)
24.	5K-9107	[1]	BOLT-LOCKING (3/8-16X0.75IN)
25.	5M-2894	[5]	WASHER (2.5MM THK)
26.	0S-1594	[1]	BOLT (3/8-16X1IN)
	1D-4717	[1]	NUT (3/8-16 THD)
27.	8W-2754	[1]	TUBE AS
28.	3K-0360	[5]	SEAL-O-RING (16.36MM ID)
29.	6V-8724	[1]	ELBOW (9/16-18 THD)
	3J-1907	[1]	SEAL-O-RING (11.89MM ID)
30.	8W-2744 I	[1]	HOSE AS
31.	8T-0081	[2]	VALVE-BALL
32.	9S-4185	[1]	PLUG-O-RING (3/4-16 THD)
33.	8W-2743 I	[1]	HOSE AS
34.	6V-8722	[1]	ELBOW-FACE SEAL
	I		SEE HOSE FABRICATION GUIDE

#SEBP16280142

4T-3754: LINES GP-FUEL

LINES GP-FUEL

4T3754 LINES GP-FUEL-PART 1 OF 2
S/N 6BB1232-UP

c494216 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-8982	[1]	ELBOW-90 DEGREE
2.	6V-9170	[1]	NUT-BULKHEAD
3.	6V-9852	[1]	ELBOW-SWIVEL
4.	7J-9108	[4]	SEAL-O-RING
5.	6V-8980	[1]	ELBOW-90 DEGREE
	6V-9168	[1]	NUT
6.	6V-9850	[1]	ELBOW
7.	6V-8397	[4]	SEAL-O-RING
8.	5M-3062	[10]	BOLT
	8T-4896 C	[10]	WASHER-HARD
9.	8W-9748 C	[1]	HOSE AS
10.	8W-2746 I	[1]	HOSE AS
11.	8M-2773	[9]	CLIP (SMALL)
12.	6D-4636	[9]	CLIP (LARGE)
	C		CHANGE FROM PREVIOUS TYPE
	I		SEE HOSE FABRICATION GUIDE

#SEBP16280143

4T-3754: LINES GP-FUEL

LINES GP-FUEL

4T3754 LINES GP-FUEL-PART 2 OF 2
S/N 6BB1232-UP

c734903 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
13.	6V-8632 C	[1]	CONNECTOR-SEAL
14.	8T-5464 C	[1]	VALVE-BALL
15.	8T-0249 C	[1]	ELBOW-SWIVEL
16.	6V-8398 C	[1]	SEAL-O-RING (12.47MM ID)
17.	9S-4185	[1]	PLUG-O-RING (3/4-16 THD)
18.	8T-0081	[2]	VALVE-BALL
19.	3K-0360	[5]	SEAL-O-RING (16.36MM ID)
20.	7D-7233	[2]	CLIP (38.1MM ID)
21.	5M-3062 C	[1]	BOLT (3/8-16X.750IN)
22.	8T-4896 C	[2]	WASHER-HARD (2.5MM THK)
23.	4L-6454 C	[1]	BOLT (3/8-16X1.0IN)
	1D-4717	[1]	NUT (3/8-16 THD)
24.	8W-2754	[1]	TUBE AS
25.	6V-8724	[1]	ELBOW (9/16-18 THD)
	3J-1907	[1]	SEAL-O-RING (11.89MM ID)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280144

7W-8971: LINES GP-FUEL FILTER

LINES GP-FUEL FILTER

7W8971 LINES GP-FUEL FILTER

c673092 SEBP1628

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8W-3106 I	[1]	HOSE AS
2.	9X-7408	[2]	SEAL-O-RING (12.42MM(.489IN)ID)
3.	8T-6876	[2]	ELBOW-ORFS
4.	6V-5049	[4]	SEAL-O-RING (11.89MM(.468IN)ID)
5.	5P-8874	[1]	ADAPTER
6.	3Y-2888	[1]	CONNECTOR
7.	112-5282	[1]	SEAL-O-RING (16.36MM(.644IN)ID)
8.	8T-6338	[1]	TEE-O-RING PORT
9.	6V-9851	[1]	ELBOW-90 DEGREE SWIVEL
	I		SEE HOSE FABRICATION GUIDE

#SEBP16280145

4N-7935: COVER GP-FUEL FILTER BASE

COVER GP-FUEL FILTER BASE

4N7935 COVER GP-FUEL FILTER BASE
S/N 6AB1-UP

c563005 SEBP1628

4N7935 COVER GP-FUEL FILTER BASE Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8C-3121	[1]	BOLT
2.	6N-4414 C	[1]	COVER-FILTER BASE
3.	1P-0436	[1]	GASKET
4.	8C-0617 C	[1]	BOLT
5.	8T-4224	[1]	WASHER-HARD
6.	8T-4205	[1]	WASHER-HARD
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280146

4N-1981: FILTER GP-FUEL

FILTER GP-FUEL

4N1981 FILTER GP-FUEL
S/N 6AB1-UP

c629079 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1N-3789 C	[1]	BASE AS-FILTER
2.	9S-4167	[1]	STUD-HOLLOW
3.	1R-0749	[1]	FILTER AS-FUEL
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280147

1W-4279: PUMP GP-FUEL TFR & PRIMING

PUMP GP-FUEL TFR & PRIMING

1W4279 PUMP GP-FUEL TRANSFER & PRIMING
S/N 6BB1-UP
PART OF 8W2110 PUMP-FUEL TRANSFER & PRIMING
AN ATTACHMENT

c328426 SEBP1628

1W4279 PUMP GP-FUEL TFR & PRIMING Parts scheme

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-9737	[1]	HOUSING-PLUG
2.	7N-7779	[1]	SOCKET
3.	7N-7780	[1]	PIN-CONNECTOR
4.	1W-8339	[1]	CAN AS
5.	6V-0417	[1]	PLUG-O RING
6.	1J-9671	[1]	SEAL-O-RING
7.	3B-4615 C	[1]	PIN-COTTER
8.	1W-8611	[1]	BASE-FUEL PRIMING PUMP
9.	1W-8612	[1]	BRACKET
10.	6V-7412 C	[3]	SCREW-WASHER HEAD 22.2M(.875IN)LONG
			-OR-
	3N-1645	[3]	SCREW-FORMING 25.4M(1IN)LONG
11.	1W-9803	[1]	CLAMP AS
12.	6V-5721	[1]	SEAL-RING
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280148

8W-2110: PUMP GP-FUEL TFR & PRIMING

PUMP GP-FUEL TFR & PRIMING

8W2110 PUMP GP-FUEL TRANSFER & PRIMING
S/N 6BB1-UP
1W4279-PAGE 80
AN ATTACHMENT

c501181 SEBP1628

8W2110 PUMP GP-FUEL TFR & PRIMING Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	030-8535	[1]	BOLT-SELF LOCKING
2.	5M-2894	[1]	WASHER
3.	8W-2745 I	[1]	HOSE AS
4.	6V-8632	[2]	CONNECTOR-SEAL
5.	3K-0360	[2]	SEAL-O-RING
6.	6V-9852	[2]	ELBOW-SWIVEL
7.	1W-4279 Y	[1]	PUMP GP-FUEL TFR & PRIMING
8.	7J-9108	[2]	SEAL-O-RING
	I		SEE HOSE FABRICATION GUIDE
	Y		SEPARATE ILLUSTRATION

#SEBP16280149

8N-3365: PUMP GP-FUEL PRIMING

PUMP GP-FUEL PRIMING

8N3365 PUMP GP-FUEL PRIMING
S/N 6AB1-UP
PART OF 8N5251 FUEL PRIMING & PRIMARY FILTER PUMP

c630133 SEBP1628

8N3365 PUMP GP-FUEL PRIMING Parts scheme

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7B-2742	[1]	BOLT (1/4-20X1.25IN)
	5P-0537	[1]	WASHER (2MM THK)
2.	105-2508	[1]	PUMP AS-FUEL PRIMING
	7F-8607	[1]	SEAL-O-RING
			(18.72MM ID)
	7E-5346	[2]	VALVE AS
3.	9S-8003	[2]	PLUG-O-RING (1/2-20)
	1J-9671	[2]	SEAL-O-RING (10.52MM ID)
4.	1B-7182	[1]	BOLT (5/16-18X1.25IN)
	9M-1974	[1]	WASHER-HARD (2MM THK)
5.	7E-5346	[1]	VALVE AS
6.	1P-0436	[1]	GASKET
7.	8N-0803	[1]	BASE-FILTER