5N7741 FUEL DRAIN GROUP--Alarm Switch and Lines ONLY FOR USE WITH DIRECT INJECTION FUEL SYSTEM AND 5N7710 FUEL INJECTION LINES GROUP SHOWN ON PAGE 108A AN ATTACHMENT 3406

5N7741 FUEL DRAIN GROUP--Alarm Switch and Lines
ONLY FOR USE WITH DIRECT INJECTION FUEL SYSTEM AND 5N7710 FUEL INJECTION LINES GROUP SHOWN ON PAGE 108A
AN ATTACHMENT

c232556 UEG0728S

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5K-9243	[7]	ELBOW
2.	5N-7740	[4]	TUBE ASSEM.
3.	5P-1198 H	[5]	TUBE 13 cm (5.12 in.) each
	4B-8756	[10]	NUT
4.	8B-6127	[3]	CLIP
5.	5P-1198 H		TUBE 29 cm (11.42 in.)
	4B-8756	[2]	NUT
6.	0S-1617	[2]	BOLT
	9M-1974	[2]	WASHER
	5K-6437	[2]	CLIP
7.	9L-8557	[5]	TEE
8.	5P-1198 H		TUBE 66cm (25.99 in.)
	4B-8756	[2]	NUT
9.	3P-9200	[1]	CLIP
10.	0S-1594	[3]	BOLT
	1D-4717	[3]	NUT
	5M-2894	[3]	WASHER
11.	4M-5317	[1]	BUSHING
12.	5N-7733	[1]	PLATE
13.	5P-1198 H		TUBE 23 cm (9.06 in.)
	4B-8756	[1]	NUT
14.	2B-2404	[1]	CLIP
	0S-1616	[2]	BOLT
	5P-0537	[4]	WASHER
	1B-4330	[2]	NUT
15.	2N-9768	[1]	SWITCH
16.	8B-1931	[1]	BUSHING
17.	9L-8492	[1]	PLUG
18.	9L-8496	[1]	TEE
	H		ORDER BY THE CENTIMETER

#UEG0728S0301

4N-3948: FUEL TRANSFER PUMP GROUP

FUEL TRANSFER PUMP GROUP

4N3948 FUEL TRANSFER PUMP GROUP (4N3949 N/S)
Serial No. 90U1 to 90U299 inclusive

c201448 UEG0728S

4N3948 FUEL TRANSFER PUMP GROUP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-3943	[1]	BODY ASSEM.
2.	2S-7467	[1]	BEARING
3.	4N-4249	[1]	SEAL
4.	4N-4248	[1]	SEAL
5.	4N-3944	[1]	SHAFT
6.	4B-3388 CH	[2]	BOLT
7.	4N-3945	[1]	SHAFT ASSEM.
8.	8S-4368	[1]	GEAR (10 teeth)
9.	6J-2419	[1]	SEAL
10.	4N-5434 H	[1]	GASKET
11.	8S-4368	[1]	GEAR (10 teeth)
12.	4N-3942	[1]	COVER ASSEM.
	1P-2298	[1]	VALVE
13.	1T-0099 C	[1]	PIN
14.	9S-4190	[1]	PLUG
	2M-9780	[1]	SEAL
15.	9S-4185	[1]	PLUG
16.	3K-0360	[1]	SEAL
17.	4N-3938	[1]	SEAT
18.	2S-0982	[1]	SPRING
19.	4N-1767	[1]	VALVE
20.	2B-2694	[6]	BOLT
	C		INDICATES CHANGE
	H		NOT PART OF 4N3948 FUEL TRANSF

#UEG0728S0302

4N-3287: PUMP GP-FUEL PRIMING

PUMP GP-FUEL PRIMING

4N3287 FUEL PRIMING PUMP GROUP

c215540 UEG0728S

4N3287 PUMP GP-FUEL PRIMING Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1P-0436	[1]	GASKET
2.	4B-3388	[1]	BOLT
			2.86 CM(1.125 IN)LONG
			-OR-
	1B-2790 C	[1]	BOLT
			3.49 CM(1.375 IN)LONG
	9M-1974 C	[1]	WASHER
			7.95 MM(.313 IN)DIA
3.	0S-1616	[1]	BOLT
			2.54 CM(1 IN)LONG
			-OR-
	7B-2742 C	[1]	BOLT
			3.18 CM(1.25 IN)LONG
	5P-0537 C	[1]	WASHER
			6.35 MM(.25 IN)DIA
4.	4N-2511	[1]	PUMP AS-FUEL PRIMING
	C		CHANGE FROM PREVIOUS TYPE

#UEG0728S0303

4N-3948: FUEL TRANSFER PUMP GROUP

FUEL TRANSFER PUMP GROUP

4N3948 FUEL TRANSFER PUMP GROUP (4N3949 N/S)
Serial No. 90U300-Up
Part of 4N2238 Basic Engine Arrangement listed on Pages 15 and 15B

c208826 UEG0728S

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-3943	[1]	BODY ASSEM.
2.	2S-7467	[1]	BEARING
3.	4N-4249	[1]	SEAL
4.	4N-4248	[1]	SEAL
5.	4N-3944	[1]	SHAFT
6.	4B-3388 H	[2]	BOLT
7.	4N-3945	[1]	SHAFT ASSEM.
8.	8S-4368	[1]	GEAR (10 teeth)
9.	6J-2419	[1]	SEAL
10.	4N-5434 H	[1]	GASKET
11.	8S-4368	[1]	GEAR (10 teeth)
12.	6N-3561 C	[1]	COVER ASSEM.
	1P-2298	[1]	VALVE
13.	1T-0099	[1]	PIN
14.	9S-4190	[1]	PLUG
	2M-9780	[1]	SEAL
15.	7S-4440 C	[1]	BOLT
16.	4N-7465 C	[1]	GASKET
17.	2P-4252 C	[1]	SPRING
18.	8M-0874 C	[1]	PLUNGER ASSEM.
19.	5M-6213 C	[1]	PLUG
20.	2B-2694	[6]	BOLT
21.	7M-7260 C		LIQUID GASKET
	C		INDICATES CHANGE
	H		NOT PART OF 4N3948 FUEL TRANSF

#UEG0728S0304

4N-3950: GOVERNOR AND FUEL PUMP DRIVE GROUP

GOVERNOR AND FUEL PUMP DRIVE GROUP

4N3950 GOVERNOR AND FUEL PUMP DRIVE GROUP
Serial No. 90U1 to 90U239 inclusive
Part of 4N2238 Basic Engine Arrangement listed on Page 15
Only separate parts serviced

c201812 UEG0728S

4N3950 GOVERNOR AND FUEL PUMP DRIVE GROUP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0582	[2]	WEIGHT
2.	4N-0577	[2]	SPRING
3.	4N-0576	[2]	SPRING
4.	4N-0673	[1]	GEAR ASSEM. (64 Teeth)
5.	4N-0578	[1]	RING
6.	4N-5230	[1]	GASKET
7.	6H-3957	[1]	BEARING
8.	1T-0033	[1]	RING
9.	4N-3937	[1]	SHAFT
10.	4N-3936	[1]	HOUSING ASSEM.
11.	4N-0684	[2]	PIN
12.	4N-4551	[1]	SHAFT ASSEM. (11 Teeth)
	6L-4081	[1]	BEARING
	6L-4082	[2]	RACE
13.	4N-3934	[1]	ADAPTER
	4N-3933	[1]	GASKET
14.	1B-7182	[2]	BOLT
	9M-1974	[2]	WASHER
15.	2N-7013	[1]	STOP
16.	8H-9788	[2]	GASKET
17.	2N-7014	[1]	SPACER
18.	2P-3203	[6]	BOLT (1.25 in. long)
19.	2P-3205	[1]	BOLT (1.75 in. long)
20.	5M-2894 C	[3]	WASHER
21.	4N-0813	[1]	GASKET
22.	2P-3204	[2]	BOLT
23.	5H-7370	[1]	SEAL
24.	4N-5232	[1]	RETAINER
25.	4N-0580	[2]	SLIDE
26.	4N-0644	[1]	FLANGE ASSEM.
27.	9M-4007	[2]	DOWEL
28.	2P-3696	[1]	RETAINER
29.	1A-8537	[1]	BOLT
	C		INDICATES CHANGE

#UEG0728S0305

4N-8008: DRIVE GP-GOVERNOR & FUEL PUMP

DRIVE GP-GOVERNOR & FUEL PUMP

4N8008 GOVERNOR AND FUEL PUMP GROUP DRIVE GROUP
Serial No. 90U240-Up

c217206 UEG0728S

4N8008 DRIVE GP-GOVERNOR & FUEL PUMP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0582	[2]	WEIGHT
2.	4N-0577	[2]	SPRING
3.	7N-5576 C	[2]	SPRING
4.	7N-5579 C	[1]	GEAR ASSEM. (64 Teeth)
5.	6N-0493	[1]	RING
6.	4N-5230	[1]	GASKET
7.	6H-3957	[1]	BEARING
8.	1T-0033	[1]	RING
9.	6N-0491	[1]	SHAFT
10.	4N-3936	[1]	HOUSING ASSEM.
11.	4N-0684	[2]	PIN
12.	4N-4551	[1]	SHAFT ASSEM. (11 Teeth)
	6L-4081	[1]	BEARING
	6L-4082	[2]	RACE
13.	4N-3934	[1]	ADAPTER
	4N-3933	[1]	GASKET
14.	1B-7182	[2]	BOLT
	9M-1974	[2]	WASHER
15.	2N-7013	[1]	STOP
16.	8H-9788	[2]	GASKET
17.	2N-7014	[1]	SPACER
18.	0S-1588	[6]	BOLT 3.18 cm(1.25 in.) long
19.	0S-1571	[1]	BOLT 4.45 cm(1.75 in.) long
20.	5M-2894	[7]	WASHER
21.	4N-0813	[1]	GASKET
22.	0S-1591	[2]	BOLT
23.	5H-7370	[1]	SEAL
24.	4N-5232	[1]	RETAINER
25.	4N-0580	[2]	SLIDE
26.	6N-0495	[1]	FLANGE ASSEM.
27.	6N-3927 C	[1]	RETAINER
28.	5J-5793	[4]	BOLT
29.	4N-4248 C	[1]	SEAL
	C		INDICATES CHANGE

#UEG0728S0306

4N-2482: GOVERNOR AND FUEL INJECTION PUMP GROUP

GOVERNOR AND FUEL INJECTION PUMP GROUP

4N2482 GOVERNOR AND FUEL INJECTION PUMP GROUP
6N1537 Fuel Injection Pump, 4N3382 Governor and 4N4267 Torque Control parts are
shown on Pages 113C, 114, 116 through 118

c163233 UEG0728S

4N2482 GOVERNOR AND FUEL INJECTION PUMP GROUP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-4182	[1]	PLUG
	3J-7354	[1]	SEAL (O-Ring)
2.	6N-1537 YC	[1]	PUMP GROUP
			(Separate Illustration)
3.	5J-5314 C	[1]	BOLT
4.	4N-3382 Y	[1]	GOVERNOR GROUP
			(Separate Illustration)
5.	4N-4267 YC	[1]	TORQUE CONTROL
			(Separate Illustration)
6.	2P-9556 C	[1]	WASHER
7.	0S-1618	[2]	BOLT
8.	2N-0828	[2]	WASHER
9.	9L-6447	[1]	SPRING
10.	1H-5514 C	[3]	BOLT
11.	4N-3818	[1]	GASKET
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0728S0307

4N-4145: GOV & FUEL INJ PUMP GP

GOV & FUEL INJ PUMP GP

4N4145 GOVERNOR AND FUEL INJECTION PUMP GROUP
Also part of 4N4238 and 4N6191 Engine Procurement Arrangements listed on Pages 13 and 16. 4N817
Fuel Injection Pump, 4N3382 Governor and 4N4267 Torque Control parts are shown on Pages 115, 116,
116A, 116B, 116C, 116D, 117 and 118. AN ATTACHMENT

c205302 UEG0728S

4N4145 GOV & FUEL INJ PUMP GP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-0817 Y	[1]	PUMP GROUP
			(Separate Illustration)
2.	9S-4182	[1]	PLUG
	3J-7354	[1]	SEAL
3.	5J-5314 C	[1]	BOLT
4.	0S-1618	[2]	BOLT
5.	4N-3382 Y	[1]	GOVERNOR GROUP
			(Separate Illustration)
6.	4N-4267 YC	[1]	TORQUE CONTROL
			(Separate Illustration)
7.	2N-0828	[2]	WASHER (wave)
	2P-9556	[1]	WASHER (plain)
8.	9L-6449	[1]	SPRING
9.	1H-5514 C	[3]	BOLT
10.	4N-3818	[1]	GASKET
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0728S0308

4N-8878: GOVERNOR AND FUEL INJECTION PUMP GROUP

GOVERNOR AND FUEL INJECTION PUMP GROUP

4N8878 GOVERNOR AND FUEL INJECTION PUMP GROUP
Provides a 3% Regulation Pump and Governor Group for use on prechambered, turbocharged, aftercooled arrangements
in 50 hertz electric set applications. Part of 6N459 Engine Procurement Arrangement shown on Page 16B
4N817 Pump, 4N4267 Torque Control and 4N8144 Governor parts are shown on Pages 115, 118, 120, 120A, 120B and 121

c205460 UEG0728S

4N8878 GOVERNOR AND FUEL INJECTION PUMP GROUP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-4182	[1]	PLUG
	3J-7354	[1]	SEAL
2.	0S-1618	[2]	BOLT
3.	5J-5314	[1]	BOLT
4.	4N-8144 Y	[1]	GOVERNOR GROUP
			(Separate Illustration)
5.	4N-4267 YC	[1]	TORQUE CONTROL
			(Separate Illustration)
6.	6N-1779	[1]	SPRING
7.	1H-5514	[3]	BOLT
8.	4N-3818	[1]	GASKET
9.	4N-0817 Y	[1]	PUMP GROUP
			(Separate Illustration)
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0728S0309

4N-8879: GOV & FUEL INJ PUMP GP

GOV & FUEL INJ PUMP GP

4N8879 GOVERNOR AND FUEL INJECTION PUMP GROUP
Provides a 3 percent Regulation Pump and Governor Group for use on prechambered, turbocharged,
aftercooled arrangements in 60 hertz electric set applications. Part of 6N458 and 6N460 Engine
Procurement Arrangements shown on Pages 16A and 16B. 4N817 Pump, 4N4267 Torque Control and
4N8144 Governor parts are shown on Pages 115, 118, 120, 120A, 120B and 121

c205459 UEG0728S

4N8879 GOV & FUEL INJ PUMP GP Parts scheme

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Parts for your 3406 INDUSTRIAL ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-4182	[1]	PLUG
	3J-7354	[1]	SEAL
2.	0S-1618	[2]	BOLT
3.	5J-5314	[1]	BOLT
4.	4N-8144 Y	[1]	GOVERNOR GROUP
			(Separate Illustration)
5.	4N-4267 YC	[1]	TORQUE CONTROL
			(Separate Illustration)
6.	6N-1778	[1]	SPRING
7.	1H-5514	[3]	BOLT
8.	4N-3818	[1]	GASKET
9.	4N-0817 Y	[1]	PUMP GROUP
			(Separate Illustration)
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION