7C2108 LINES GP-FUEL INJECTION ENGINE S/N 70V22151-22818 PART OF 1W0557 LINES-FUEL INJECTION 621E WHEEL TRACTOR

FUEL SYSTEM

LINES GP-FUEL INJECTION

0. 7C-2108 LINES GP-F
1. 7C-2107 LINES GP-F
2. 7C-3428 LINES GP-F
3. 7C-3418 LINES GP-F
4. 7C-9936 LINES GP-F
5. 7C-9935 LINES GP-F
6. 7C-9937 LINES GP-F

NOZZLE AS-FUEL VALVE

7. 4W-7017 NOZZLE AS-

LINES GP-FUEL

8. 5T-1283 LINES GP-F
9. 5T-1283 LINES GP-F
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 INJECTION

4W-1566 LINES GP-FUEL INJECTION

7C-2108 LINES GP-FUEL INJECTION

7C-2107 LINES GP-FUEL INJECTION

7C-3428 LINES GP-FUEL INJECTION

7C-3418 LINES GP-FUEL INJECTION

#SEBP16280130

7C-2108: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C2108 LINES GP-FUEL INJECTION
ENGINE S/N 70V22151-22818
PART OF 1W0557 LINES-FUEL INJECTION

c346120 SEBP1628

7C2108 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-2103	[1]	LINE AS-FUEL INJ (NO 3)
2.	7C-2104	[1]	LINE AS-FUEL INJ (NO 4)
3.	7C-2105	[1]	LINE AS-FUEL INJ (NO 5)
4.	7C-2106	[1]	LINE AS-FUEL INJ (NO 6)
5.	1W-9168	[6]	CLAMP
6.	1W-9169	[6]	CLAMP
7.	5P-4939	[6]	SCREW AS-MACHINE

#SEBP16280131

7C-2107: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C2107 LINES GP-FUEL INJECTION
ENGINE S/N 70V22151-22818
PART OF 1W0557 LINES-FUEL INJECTION

c346117 SEBP1628

7C2107 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-2101	[1]	LINE AS-FUEL INJ (NO 1)
2.	7C-2102	[1]	LINE AS-FUEL INJ (NO 2)
3.	1W-9168	[4]	CLAMP
4.	1W-9169	[4]	CLAMP
5.	5P-4939	[4]	SCREW AS-MACHINE

#SEBP16280132

7C-3428: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C3428 LINES GP-FUEL INJECTION
ENGINE S/N 70V22819-23842
PART OF 1W0557 LINES-FUEL INJECTION

c352729 SEBP1628

7C3428 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-3423 C	[1]	LINE AS-FUEL INJ (NO 3)
2.	7C-3424 C	[1]	LINE AS-FUEL INJ (NO 4)
3.	7C-3425 C	[1]	LINE AS-FUEL INJ (NO 5)
4.	7C-3426 C	[1]	LINE AS-FUEL INJ (NO 6)
5.	1W-9168	[6]	CLAMP (HOLE)
6.	1W-9169	[1]	CLAMP (TAPPED HOLE)
7.	5P-4939	[6]	SCREW AS-MACHINE
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280133

7C-3418: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C3418 LINES GP-FUEL INJECTION
ENGINE S/N 70V22819-23842
PART OF 1W0557 LINES-FUEL INJECTION

c352730 SEBP1628

7C3418 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-3421 C	[1]	LINE AS-FUEL INJ (NO 1)
2.	7C-3422 C	[1]	LINE AS-FUEL INJ (NO 2)
3.	1W-9168	[4]	CLAMP (HOLE)
	1W-9169	[4]	CLAMP (TAPPED HOLE)
	5P-4939	[4]	SCREW AS-MACHINE
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280134

7C-9936: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C9936 LINES GP-FUEL INJECTION
ENGINE S/N 70V23843-UP
PART OF 1W0557, 4W1566 LINES-FUEL INJECTION

c469245 SEBP1628

7C9936 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-3423	[1]	LINE AS-FUEL INJ
2.	7C-3424	[1]	LINE AS-FUEL INJ
3.	1W-9168	[5]	CLAMP
4.	1W-9169	[3]	CLAMP
5.	5P-4939	[3]	SCREW AS-MACHINE
6.	7M-9831	[1]	SCREW-MACHINE
	4B-2047	[1]	NUT
	6V-7699	[2]	WASHER-HARD

#SEBP16280135

7C-9935: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C9935 LINES GP-FUEL INJECTION
ENGINE S/N 70V23843-UP
PART OF 1W0557, 4W1566 LINES-FUEL INJECTION

c470961 SEBP1628

7C9935 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-3421	[1]	LINE AS-FUEL INJ (NO 1)
2.	7C-3422	[1]	LINE AS-FUEL INJ (NO 2)
3.	1W-9169	[3]	CLAMP (TAPPED HOLE)
	5P-4939	[3]	SCREW AS-MACHINE
4.	1W-9168	[5]	CLAMP (HOLE)
5.	9N-3388	[1]	SCREW-SELF LOCKING 19.05MM(.75IN)LG
			-OR-
	7M-9831	[1]	SCREW-MACHINE 22.3MM(.88IN)LG
	6V-7699	[2]	WASHER-HARD
6.	4B-2047	[1]	NUT

#SEBP16280136

7C-9937: LINES GP-FUEL INJECTION

LINES GP-FUEL INJECTION

7C9937 LINES GP-FUEL INJECTION
ENGINE S/N 70V23843-UP
PART OF 1W0557, 4W1566 LINES-FUEL INJECTION

c506629 SEBP1628

7C9937 LINES GP-FUEL INJECTION Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7C-3425	[1]	LINE AS-FUEL INJ
2.	7C-3426	[1]	LINE AS-FUEL INJ
3.	1W-9168	[6]	CLAMP
4.	1W-9169	[2]	CLAMP
5.	5P-4939	[2]	SCREW AS-MACHINE
6.	6V-7699	[4]	WASHER-HARD
7.	4B-2047	[2]	NUT
	7M-9831	[2]	SCREW-MACHINE

#SEBP16280137

4W-7017: NOZZLE AS-FUEL VALVE

NOZZLE AS-FUEL VALVE

4W7017 NOZZLE AS-FUEL VALVE*R
PART OF 1W0557, 4W1566 LINES-FUEL INJECTION

c621820 SEBP1628

4W7017 NOZZLE AS-FUEL VALVE Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9L-9098	[1]	SEAL-CARBON STOP
2.	7W-4487	[1]	WASHER
3.	9X-2836 M	[1]	SCREW-BUTTON HEAD
	114-3364	[1]	WASHER (SEALING)
	M		METRIC PART

#SEBP16280138

5T-1283: LINES GP-FUEL

LINES GP-FUEL

5T1283 LINES GP-FUEL-PART 1 OF 2
S/N 6AB1-UP

c732639 SEBP1628

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8W-3100 I	[1]	HOSE AS
2.	8W-3101 I	[1]	HOSE AS
3.	5K-5338	[4]	CLIP
4.	8W-3107 I	[1]	HOSE AS
5.	3S-8664	[3]	CLIP
6.	105-0251 I	[1]	HOSE AS
	6V-8367	[1]	LOCKWASHER-TOOTH
7.	6V-8397	[3]	SEAL-O-RING (9.27MM ID)
8.	7W-9156	[1]	ELBOW AS
	3J-1907 C	[1]	SEAL-O-RING (11.8)
9.	8W-3106 I	[1]	HOSE AS
10.	3S-2093	[3]	STRAP-CABLE (1.75IN DIA)
11.	5P-8167	[3]	BOLT (3/8-16X.625IN)
12.	8T-4896	[3]	WASHER-HARD (2.5MM THK)
13.	8J-8197	[1]	CLIP (23.8MM ID)
14.	8W-4302 I	[1]	HOSE AS
15.	6V-9168	[1]	NUT (11/16-16 THD)
16.	6V-8994	[1]	UNION-BULKHEAD (11/16-16 THD)
17.	5T-2273	[1]	TUBE AS
18.	5T-2272	[1]	TUBE AS
19.	6V-8996	[1]	UNION-BULKHEAD
	7J-9108	[2]	SEAL-O-RING (15.72MM ID)
20.	6V-9170	[1]	NUT-BULKHEAD (1-14 THD)
	2H-3924	[1]	LOCKWASHER
21.	8T-8908 C	[1]	BOLT (1/4-20X1IN)
	8T-4205 C	[1]	WASHER-HARD (2MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	I		SEE HOSE FABRICATION GUIDE

#SEBP16280139

5T-1283: LINES GP-FUEL

LINES GP-FUEL

5T1283 LINES GP-FUEL-PART 2 OF 2
S/N 6AB1-UP

c732640 SEBP1628

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
22.	6V-8625	[2]	ELBOW-90 DEGREE (3/4-16 THD)
23.	6V-8398	[11]	SEAL-O-RING (12.47MM ID)
			13.11MM (.517IN) I.D.
24.	3K-0360	[3]	SEAL-O-RING (16.36MM ID)
			16.36MM (.645IN) I.D.
25.	8T-0081	[1]	VALVE-BALL
26.	8T-2502	[4]	BOLT (3/8-16X1.13IN)
27.	8T-4896	[4]	WASHER-HARD (2.5MM THK)
28.	8W-0552	[1]	TUBE AS
29.	6V-8721	[1]	ELBOW-90 DEGREE (7/8-14 THD)
	2M-9780	[1]	SEAL-O-RING (19.18MM ID)
30.	6V-8981	[2]	ELBOW-90 DEGREE BULKHEAD
31.	6V-9169	[4]	NUT-BULKHEAD (13/16-16 )
32.	6V-9353	[1]	UNION-BULKHEAD
33.	7J-9108	[5]	SEAL-O-RING (16.23MM (.639IN) I.D.)
34.	8W-0553	[1]	TUBE AS
35.	5P-8874	[1]	ADAPTER
36.	3J-1907 C	[2]	SEAL-O-RING
			11.89MM (.468IN) I.D.
37.	9S-4182	[1]	PLUG (7/16-20 THD)
	3J-7354	[1]	SEAL-O-RING (8.92MM ID)
38.	6V-9873	[1]	CONNECTOR
39.	8W-0554	[1]	TUBE AS
40.	8W-0551	[1]	TUBE AS
41.	6V-8995	[1]	UNION-BULKHEAD
42.	6V-9170	[2]	NUT-BULKHEAD (1-14 THD)
43.	6V-8982	[1]	ELBOW-90 DEGREE
44.	2H-3924	[2]	LOCKWASHER
45.	6V-8996	[1]	UNION-BULKHEAD
46.	6V-8994	[1]	UNION-BULKHEAD (11/16-16 THD)
47.	6V-8397	[5]	SEAL-O-RING (9.27MM ID)
48.	6V-9168	[2]	NUT
49.	8W-3102 I	[1]	HOSE AS
50.	8W-3103 I	[1]	HOSE AS
51.	6V-9850	[1]	ELBOW-SWIVEL (11/16-16 THD)
52.	6V-8367	[2]	LOCKWASHER-TOOTH
	C		CHANGE FROM PREVIOUS TYPE
	I		SEE HOSE FABRICATION GUIDE