VALVE, PEDAL AND LINES Serial No. 50S1900 to 50S2238 inclusive, 55U412 to 55U467 inclusive and 94U438 to 94U496 inclusive. 3V1458 Valve parts are shown on Page 130A 518

BRAKING SYSTEM

CONTROL GP

0. VALVE, PED
1. VALVE, PED

AIR INLET AND EXHAUST SYSTEM

LINES GP-AIR

2. AIR TANK,
3. AIR TANK,
4. AIR TANK,
5. AIR, TANK,
6. AIR, TANK,
7. AIR, TANK,
8. AIR, TANK,

BRAKING SYSTEM

CONTROL GP

9. 4V-5605 CONTROL GP
0. INFORMATION

WHEEL SKIDDER 518 WHEEL SKIDDER 50S
518 SKIDDER 50S01289-03229 (MACHINE) POWERED BY 3304 ENGINE SEBP1049 518 50S (1971)

BRAKING SYSTEM

CONTROL GP

VALVE, PEDAL AND LINES

4V-5605 CONTROL GP-BRAKE

#SEBP10490400

VALVE, PEDAL AND LINES

VALVE, PEDAL AND LINES
Serial No. 50S1900 to 50S2238 inclusive, 55U412 to 55U467 inclusive and 94U438 to
94U496 inclusive. 3V1458 Valve parts are shown on Page 130A

c169733 SEBP1049

None VALVE, PEDAL AND LINES Parts scheme

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1M-3926	[1]	SPRING
2.	7M-7410	[3]	PLUG
3.	3V-1458 Y	[1]	VALVE GROUP
			(Separate Illustration)
4.	1F-4502	[2]	FITTING
5.	5K-9237	[1]	ELBOW
6.	8K-6633	[1]	HOSE ASSEM. 28.5 cm(11.25 in.)
7.	5K-9244	[1]	ELBOW
8.	5K-9248	[1]	CONNECTOR
9.	1V-2738	[1]	TUBE ASSEM.
10.	3V-4620 C	[1]	TUBE ASSEM.
11.	1B-3057	[1]	CLIP
12.	0S-0509	[2]	BOLT
13.	3B-4506	[3]	LOCKWASHER
14.	8B-6127	[1]	CLIP
15.	4V-0634 C	[1]	TUBE ASSEM.
16.	0S-1585	[3]	BOLT
	3B-4508	[3]	LOCKWASHER
17.	4V-1347 C	[1]	BRACKET ASSEM.
18.	9K-4350	[1]	ROLLER
	9K-4257	[1]	PIN
	3B-4617	[2]	COTTER PIN
19.	7K-1456	[1]	UNION
20.	7B-9919	[2]	CLIP
21.	4V-0635 C	[1]	TUBE ASSEM.
22.	5K-9235	[2]	ELBOW
23.	0S-1594	[1]	BOLT
	1D-4717	[1]	NUT
25.	9K-4559	[1]	PEDAL ASSEM.
26.	4V-0632 C	[1]	TUBE ASSEM.
28.	9L-2796	[1]	BOLT
	5B-3180	[1]	NUT
29.	4K-7502	[1]	BOLT
	1B-4430	[1]	NUT
30.	5K-6718	[1]	PLUNGER
	5K-6706	[1]	BOOT
31.	4M-1641 C	[1]	DOWEL
	3B-4612 C	[1]	COTTER
32.	0S-1617	[3]	BOLT
	3B-4505	[3]	LOCKWASHER
33.	4B-4280	[5]	WASHER
34.	6K-8076	[1]	CONNECTOR
35.	9S-7722	[1]	ELBOW
36.	9K-8082	[1]	VALVE ASSEM.
37.	1F-7567	[1]	CLIP
38.	8F-1179	[1]	CLIP
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10490401

VALVE, PEDAL AND LINES

VALVE, PEDAL AND LINES
Serial No. 50S2239 to 50S2451 inclusive, 55U468 to 55U521 inclusive and 94U497
to 94U537 inclusive. 3V1458 Valve parts are shown on Page 130A

c169735 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1M-3926	[1]	SPRING
2.	7M-7410	[3]	PLUG
3.	3V-1458 Y	[1]	VALVE GROUP
			(Separate Illustration)
4.	1F-4502	[2]	FITTING
5.	5K-9237	[1]	ELBOW
6.	8K-6633	[1]	HOSE ASSEM. 28.5 cm(11.25 in.)
7.	5K-9244	[1]	ELBOW
8.	5K-9248	[1]	CONNECTOR
9.	1V-2738	[1]	TUBE ASSEM.
10.	3V-4620	[1]	TUBE ASSEM.
11.	1B-3057	[1]	CLIP
12.	0S-0509	[2]	BOLT
13.	3B-4506	[3]	LOCKWASHER
14.	8B-6127	[1]	CLIP
15.	4V-0634	[1]	TUBE ASSEM.
16.	0S-1585	[3]	BOLT
	3B-4508	[3]	LOCKWASHER
17.	4V-1347	[1]	BRACKET ASSEM.
18.	1V-8586 C	[1]	ROLLER
	9K-4257	[1]	PIN
	3B-4617	[2]	COTTER PIN
19.	7K-1456	[1]	UNION
20.	7B-9919	[2]	CLIP
21.	4V-0635	[1]	TUBE ASSEM.
22.	5K-9235	[2]	ELBOW
23.	0S-1594	[1]	BOLT
	1D-4717	[1]	NUT
25.	9K-4559	[1]	PEDAL ASSEM.
26.	4V-0632	[1]	TUBE ASSEM.
28.	9L-2796	[1]	BOLT
	5B-3180	[1]	NUT
29.	4K-7502	[1]	BOLT
	1B-4430	[1]	NUT
30.	5K-6718	[1]	PLUNGER
	5K-6706	[1]	BOOT
31.	4M-1641	[1]	DOWEL
	3B-4612	[1]	COTTER PIN
32.	0S-1617	[3]	BOLT
	3B-4505	[3]	LOCKWASHER
33.	4B-4280	[5]	WASHER
34.	6K-8076	[1]	CONNECTOR
35.	9S-7722	[1]	ELBOW
36.	9K-8082	[1]	VALVE ASSEM.
37.	1F-7567	[1]	CLIP
38.	8F-1179	[1]	CLIP
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10490402

AIR TANK, VALVES AND LINES

AIR TANK, VALVES AND LINES
Serial No. 50S1289 to 50S1518 inclusive, 94U297 to 94U327 inclusive, 55U272 to 55U305 inclusive and 95U1 to 95U96 inclusive

c203346 SEBP1049

None AIR TANK, VALVES AND LINES Parts scheme

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6K-8078	[1]	TEE
2.	8B-9889	[1]	CLIP
3.	1V-5679	[1]	TUBE ASSEM.
4.	3D-7025	[1]	ELBOW
5.	8K-6876	[1]	HOSE ASSEM. 33 in. (8.38 dm)
6.	4K-5803	[2]	TIE
7.	5K-9244	[3]	ELBOW
8.	9K-6428	[1]	TUBE ASSEM.
9.	1V-6372	[1]	CLIP
10.	8K-6155	[2]	BAR
11.	0S-1594	[4]	BOLT
	3B-4506	[4]	LOCKWASHER
12.	3K-3415	[1]	FITTING
13.	5K-9243	[1]	ELBOW
14.	5K-9972	[1]	VALVE ASSEM.
15.	3B-7264	[1]	NIPPLE
16.	6B-9664	[1]	VALVE
17.	2D-7325	[1]	TEE
18.	5K-9241	[1]	ELBOW
19.	8K-6109	[1]	TUBE ASSEM.
20.	8K-5598	[1]	TANK ASSEM.
21.	9M-5501	[1]	ELBOW
22.	6K-6824	[1]	VALVE ASSEM.
23.	003-2143	[1]	ELBOW
24.	9K-4523	[1]	HOSE ASSEM. 5 in. (1.27 dm)
25.	5K-9894	[1]	CONNECTOR
26.	3H-7550	[1]	CLIP
	5B-2228	[1]	BUSHING

#SEBP10490403

AIR TANK, VALVES AND LINES

AIR TANK, VALVES AND LINES
Serial No. 50S1519 to 50S1570 inclusive, 94U328 to 94U341 inclusive, 55U306 to 55U316 inclusive and 95U97-Up

c158351 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6K-8078	[1]	TEE
2.	8B-9889	[1]	CLIP
3.	1V-5679	[1]	TUBE ASSEM.
4.	3B-9406 C	[1]	ELBOW
5.	8K-6876	[1]	HOSE ASSEM. 83.8 cm(33 in.)
6.	4K-5803	[2]	TIE
7.	5K-9244	[3]	ELBOW
8.	9K-6428	[1]	TUBE ASSEM.
9.	1V-6372	[1]	CLIP
10.	8K-6155	[2]	BAR
11.	0S-1594	[4]	BOLT
	3B-4506	[4]	LOCKWASHER
12.	3K-3415	[1]	FITTING
13.	5K-9243	[1]	ELBOW
14.	5K-9972	[1]	VALVE ASSEM.
15.	3B-7264	[1]	NIPPLE
16.	6B-9664	[1]	VALVE
17.	2D-7325	[1]	TEE
18.	5K-9241	[1]	ELBOW
19.	8K-6109	[1]	TUBE ASSEM.
20.	8K-5598	[1]	TANK ASSEM.
21.	9M-5501	[1]	ELBOW
22.	6K-6824	[1]	VALVE ASSEM.
23.	003-2143	[1]	ELBOW
24.	9K-4523	[1]	HOSE ASSEM. 12.7 cm(5 in.)
25.	5K-9894	[1]	CONNECTOR
26.	3H-7550	[1]	CLIP
	5B-2228	[1]	BUSHING
	C		INDICATES CHANGE

#SEBP10490404

AIR TANK, VALVES AND LINES

AIR TANK, VALVES AND LINES
Serial No. 50S1571 to 1755 and 50S1810 to 50S1899 inclusive, 55U317 to 371, 373 and
55U408 to 55U411 inclusive and 94U342 to 94U370 & 94U405 to 94U437 inclusive

c161430 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-7706 C	[1]	ELBOW
2.	3H-7550	[1]	CLIP
3.	5B-2228	[1]	BUSHING
4.	3V-1213 C	[1]	TUBE ASSEM.
5.	8B-9889	[1]	CLIP
6.	8K-6876	[1]	HOSE ASSEM. 83.8 cm(33 in.)
7.	3K-3415	[1]	FITTING
8.	3B-9406	[1]	ELBOW
9.	3V-1335 C	[1]	TUBE ASSEM.
10.	5K-9244	[2]	ELBOW
11.	4K-5803	[2]	TIE
12.	7B-1598 C	[1]	CLIP
13.	7F-1866 C	[1]	BOLT
	1D-4717 C	[1]	NUT
	3H-2137 C	[1]	LUG
14.	3B-4506	[5]	LOCKWASHER
15.	5K-9894	[1]	CONNECTOR
16.	8K-6155	[2]	BAR
17.	2V-9237 C	[1]	TANK ASSEM.
18.	5K-9243	[1]	ELBOW
19.	5K-9972	[1]	VALVE ASSEM.
20.	3B-7264	[1]	NIPPLE
21.	0S-1594	[4]	BOLT
22.	9L-3560 C	[1]	ELBOW
23.	5K-9241	[1]	ELBOW
24.	7D-6936 C	[1]	VALVE ASSEM.
25.	002-6453 C	[1]	ELBOW
26.	8K-6109	[1]	TUBE ASSEM.
27.	6B-9664	[1]	VALVE
28.	2D-7325	[1]	TEE
29.	5M-7410 C	[2]	PLUG
30.	6K-6830 C	[1]	HOSE ASSEM. 78.74 cm(31 in.)
31.	003-2143	[1]	ELBOW
	C		INDICATES CHANGE

#SEBP10490405

AIR, TANK, VALVES AND LINES

AIR, TANK, VALVES AND LINES
Serial No. 50S1756 to 50S1809 inclusive, 55U372 & 55U374 to 55U407 inclusive & 94U371 to 94U404 inclusive

c166152 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-7706	[1]	ELBOW
2.	3H-7550	[1]	CLIP
3.	5B-2228	[1]	BUSHING
4.	3V-1213	[1]	TUBE ASSEM.
5.	8B-9889	[1]	CLIP
6.	9K-8141 C	[1]	HOSE ASSEM. 96.52 cm(38 in.)
7.	3K-3415	[1]	FITTING
8.	9L-5125 C	[1]	ELBOW
9.	3V-8974 C	[1]	TUBE ASSEM.
10.	5K-9244	[2]	ELBOW
11.	4K-5803	[2]	TIE
12.	7B-1598	[1]	CLIP
13.	7F-1866	[1]	BOLT
	1D-4717	[1]	NUT
	3H-2137	[1]	LUG
14.	3B-4506	[5]	LOCKWASHER
15.	5K-9894	[1]	CONNECTOR
16.	8K-6155	[2]	BAR
17.	2V-9237	[1]	TANK ASSEM.
18.	5K-9243	[1]	ELBOW
19.	5K-9972	[1]	VALVE ASSEM.
20.	3B-7264	[1]	NIPPLE
21.	0S-1594	[4]	BOLT
22.	9L-3560	[1]	ELBOW
23.	5K-9241	[1]	ELBOW
24.	7D-6936	[1]	VALVE ASSEM.
25.	002-6453	[1]	ELBOW
26.	8K-6109	[1]	TUBE ASSEM.
27.	6B-9664	[1]	VALVE
28.	2D-7325	[1]	TEE
29.	5M-7410	[2]	PLUG
30.	6K-6830	[1]	HOSE ASSEM. 78.74 cm(31 in.)
31.	003-2143	[1]	ELBOW
	C		INDICATES CHANGE

#SEBP10490406

AIR, TANK, VALVES AND LINES

AIR, TANK, VALVES AND LINES
Serial No. 50S1900 to 50S2238 inclusive & 55U412 to 55U467 inclusive & 94U438 to 94U496 inclusive

c169734 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-7706	[1]	ELBOW
2.	3H-7550	[1]	CLIP
3.	5B-2228	[1]	BUSHING
4.	3V-1213	[1]	TUBE ASSEM.
5.	8B-9889	[1]	CLIP
6.	8K-6876	[1]	HOSE ASSEM. 83.8 cm(33 in.)
7.	3K-3415	[1]	FITTING
8.	3B-9406	[1]	ELBOW
9.	3V-1335	[1]	TUBE ASSEM.
10.	5K-9244	[2]	ELBOW
11.	4K-5803	[2]	TIE
12.	7B-1598	[1]	CLIP
13.	7F-1866	[1]	BOLT
	1D-4717	[1]	NUT
	3H-2137	[1]	LUG
14.	3B-4506	[5]	LOCKWASHER
15.	5K-9894	[1]	CONNECTOR
16.	8K-6155	[2]	BAR
17.	2V-9237	[1]	TANK ASSEM.
18.	5K-9243	[1]	ELBOW
19.	5K-9972	[1]	VALVE ASSEM.
20.	3B-7264	[1]	NIPPLE
21.	0S-1594	[4]	BOLT
22.	9L-3560	[1]	ELBOW
23.	5K-9241	[1]	ELBOW
24.	7D-6936	[1]	VALVE ASSEM.
25.	002-6453	[1]	ELBOW
26.	4V-0633 C	[1]	TUBE ASSEM.
27.	6B-9664	[1]	VALVE
28.	2D-7325	[1]	TEE
29.	5M-7410	[2]	PLUG
30.	6K-6830	[1]	HOSE ASSEM. 78.74 cm(31 in.)
31.	003-2143	[1]	ELBOW
	C		INDICATES CHANGE

#SEBP10490407

AIR, TANK, VALVES AND LINES

AIR, TANK, VALVES AND LINES
Serial No. 50S2279 to 50S2336 inclusive, 55U478 to 55U485 inclusive & 94U504 to 94U517 inclusive

c221876 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-7706	[1]	ELBOW
2.	3H-7550	[1]	CLIP
3.	5B-2228	[1]	BUSHING
4.	3V-1213	[1]	TUBE ASSEM.
5.	8B-9889	[1]	CLIP
6.	9K-8141 C	[1]	HOSE ASSEM. 96.5 cm(38 in.)
7.	3K-3415	[1]	FITTING
8.	9L-5125 C	[1]	ELBOW
9.	3V-8974 C	[1]	TUBE ASSEM.
10.	5K-9244	[2]	ELBOW
11.	4K-5803	[2]	TIE
12.	7B-1598	[1]	CLIP
13.	7F-1866	[1]	BOLT
	1D-4717	[1]	NUT
	3H-2137	[1]	LUG
14.	3B-4506	[5]	LOCKWASHER
15.	5K-9894	[1]	CONNECTOR
16.	8K-6155	[2]	BAR
17.	2V-9237	[1]	TANK ASSEM.
18.	5K-9243	[1]	ELBOW
19.	5K-9972	[1]	VALVE ASSEM.
20.	3B-7264	[1]	NIPPLE
21.	0S-1594	[4]	BOLT
22.	9L-3560	[1]	ELBOW
23.	5K-9241	[1]	ELBOW
24.	7D-6936	[1]	VALVE ASSEM.
25.	002-6453	[1]	ELBOW
26.	4V-0633	[1]	TUBE ASSEM.
27.	6B-9664	[1]	VALVE
28.	2D-7325	[1]	TEE
29.	7M-7410	[1]	PLUG
30.	6K-6830	[1]	HOSE ASSEM. 78.74 cm(31 in.)
31.	003-2143	[1]	ELBOW
	C		INDICATES CHANGE

#SEBP10490408

AIR, TANK, VALVES AND LINES

AIR, TANK, VALVES AND LINES
Serial No. 50S2239 to 50S2278 & 50S2337 to 50S2451 inclusive, 55U468 to 55U477 & 55U486 to 55U521 inclusive and 94U497 to 94U503
& 94U518 to 94U537 inclusive

c169991 SEBP1049

For full view, you need register

Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-7706	[1]	ELBOW
2.	3H-7550	[1]	CLIP
3.	5B-2228	[1]	BUSHING
4.	3V-1213	[1]	TUBE ASSEM.
5.	8B-9889	[1]	CLIP
6.	8K-6876	[1]	HOSE ASSEM. 83.8 cm(33 in.)
7.	3K-3415	[1]	FITTING
8.	3B-9406	[1]	ELBOW
9.	3V-1335	[1]	TUBE ASSEM.
10.	5K-9244	[2]	ELBOW
11.	4K-5803	[2]	TIE
12.	7B-1598	[1]	CLIP
13.	7F-1866	[1]	BOLT
	1D-4717	[1]	NUT
	3H-2137	[1]	LUG
14.	3B-4506	[5]	LOCKWASHER
15.	5K-9894	[1]	CONNECTOR
16.	8K-6155	[2]	BAR
17.	2V-9237	[1]	TANK ASSEM.
18.	5K-9243	[1]	ELBOW
19.	5K-9972	[1]	VALVE ASSEM.
20.	3B-7264	[1]	NIPPLE
21.	0S-1594	[4]	BOLT
22.	9L-3560	[1]	ELBOW
23.	5K-9241	[1]	ELBOW
24.	7D-6936	[1]	VALVE ASSEM.
25.	002-6453	[1]	ELBOW
26.	4V-0633	[1]	TUBE ASSEM.
27.	6B-9664	[1]	VALVE
28.	2D-7325	[1]	TEE
29.	7M-7410 C	[1]	PLUG
30.	6K-6830	[1]	HOSE ASSEM. 78.74 cm(31 in.)
31.	003-2143	[1]	ELBOW
	C		INDICATES CHANGE

#SEBP10490409

4V-5605: CONTROL GP-BRAKE

CONTROL GP-BRAKE

4V5605 SERVICE BRAKE CONTROL GROUP--Part 1 of 6
Serial No. 50S2452 to 50S2706 inclusive, 55U522 to 55U594 inclusive and 94U538 to 94U573 inclusive

c223476 SEBP1049

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Parts for your 518 WHEEL SKIDDER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4V-3832	[1]	RESERVOIR ASSEM.
			(Includes)
	5V-4907	[1]	RETAINER
2.	5V-5766	[1]	COVER ASSEM.
	5V-1246	[1]	DIAPHRAGM
3.	0L-1351	[4]	BOLT
4.	5P-1075	[10]	WASHER
5.	4V-5511	[1]	TUBE ASSEM.
6.	5K-9238	[2]	CONNECTOR
7.	4V-5517	[1]	TUBE ASSEM.
8.	5V-2244	[2]	ANGLE
9.	0S-0509	[6]	BOLT
10.	2K-5496	[1]	TEE ASSEM.
11.	0S-1617	[1]	BOLT
	3B-4505	[1]	LOCKWASHER
12.	1S-1150	[1]	SPACER
13.	4V-5515	[1]	TUBE ASSEM.
14.	4V-5509	[1]	TUBE ASSEM.
15.	5M-1198	[1]	CLIP
16.	3V-9780	[1]	BRACKET ASSEM.
			(Includes)
	9F-2978	[5]	NUT
17.	0S-1594	[5]	BOLT
	3B-4506	[5]	LOCKWASHER