421-1489 VALVE AR-BOOM LOWERING CONTROL -STICK CYLINDER S/N D9X1-UP PART OF 424-1077, 435-5817, 435-5818, 435-5819 DISTRIBUTION AR M318D MH

Part No	Qty	Parts name
340-0400 Y	[1]	LINES GP-CHECK VALVE (STICK CYLINDER)
340-3046 Y	[1]	LINES GP-CHECK VALVE (BOOM CYLINDER)(BOOM CYLINDER)
398-9059 Y	[1]	PLUG GP (HYDRAULIC CAB RISER)
Y		SEPARATE ILLUSTRATION

#SEBP56280641

421-1493: VALVE AR-BOOM LOWERING CONTROL

VALVE AR-BOOM LOWERING CONTROL

421-1493 VALVE AR-BOOM LOWERING CONTROL -STICK CYLINDER, SMART BOOM
S/N D9X1-UP

i05001070 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
340-0400 Y	[1]	LINES GP-CHECK VALVE (STICK CYLINDER)
397-9096 Y	[1]	LINES GP-CHECK VALVE (SMARTBOOM, BM CYL, ACCUMULATOR)
398-9059 Y	[1]	PLUG GP (HYDRAULIC CAB RISER)
Y		SEPARATE ILLUSTRATION

#SEBP56280642

421-1504: VALVE AR-BOOM LOWERING CONTROL

VALVE AR-BOOM LOWERING CONTROL

421-1504 VALVE AR-BOOM LOWERING CONTROL -STICK CYLINDER
S/N D9X1-UP

i05001118 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
340-3046 Y	[1]	LINES GP-CHECK VALVE (BOOM CYLINDER)(BOOM CYLINDER)
389-8790 Y	[1]	LINES GP-CHECK VALVE (LOAD CONTROL, STICK CYLINDER)
398-9059 Y	[1]	PLUG GP (HYDRAULIC CAB RISER)
Y		SEPARATE ILLUSTRATION

#SEBP56280643

421-1505: VALVE AR-BOOM LOWERING CONTROL

VALVE AR-BOOM LOWERING CONTROL

421-1505 VALVE AR-BOOM LOWERING CONTROL -STICK CYLINDER, SMART BOOM
S/N D9X1-UP

i05001129 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
389-8790 Y	[1]	LINES GP-CHECK VALVE (LOAD CONTROL, STICK CYLINDER)
397-9096 Y	[1]	LINES GP-CHECK VALVE (SMARTBOOM, BM CYL, ACCUMULATOR)
398-9059 Y	[1]	PLUG GP (HYDRAULIC CAB RISER)
Y		SEPARATE ILLUSTRATION

#SEBP56280644

293-0511: VALVE GP-BRAKE CONTROL

VALVE GP-BRAKE CONTROL

293-0511 VALVE GP-BRAKE CONTROL -HYDRAULIC MOTOR
S/N D9X1-UP
PART OF 291-3711 MOTOR GP-PISTON

i02623880 SEBP5628

2930511 VALVE GP-BRAKE CONTROL Parts scheme

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	191-3952 Y	[2]	VALVE GP-RELIEF (CROSSOVER, TRAVEL)
2.	191-2708	[1]	VALVE AS-SHUTTLE (TRAVEL BRAKE)
3.	293-0512	[1]	PISTON AS
4.	219-6714	[2]	VALVE AS-CHECK (CROSSOVER, TRAVEL)
			(EACH INCLUDES)
	221-2760	[1]	RING-RETAINING
	221-3491	[1]	SEAL-O-RING
5.	191-2710	[1]	COVER
6.	191-2711	[1]	COVER
7.	9T-3929	[1]	PLUG AS
	6E-5479	[1]	SEAL
8.	191-2809 M	[2]	BOLT-SOCKET HEAD (M6X1X85-MM)
9.	179-6919	[1]	ORIFICE
10.	5P-1480	[2]	SEAL-O-RING
11.	191-2962	[2]	SEAL-O-RING
12.	9X-4617	[2]	SEAL-O-RING
13.	191-2712	[1]	PLUG
14.	196-8804	[2]	PLUG GP
			(EACH INCLUDES)
	196-6803	[1]	SEAL-O-RING
15.	3E-8007 M	[4]	BOLT-SOCKET HEAD (M12X1.75X90-MM)
16.	6V-8200 M	[4]	BOLT-SOCKET HEAD (M12X1.75X35-MM)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP56280645

254-0488: VALVE GP-CHECK

VALVE GP-CHECK

254-0488 VALVE GP-CHECK
S/N D9X1-453
PART OF 281-5583 VALVE & LINES GP-AUXILIARY, 251-7921, 251-7926, 251-7927, 251-7928 VALVE & LINES GP-CONTROL

i02606183 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	179-4649	[1]	BODY AS
2.	179-4651	[1]	BODY
3.	179-4652	[1]	VALVE AS-CHECK (BOOM LOWERING, DRIFT REDUCTION)
4.	179-4654	[1]	CONE
5.	179-4656	[1]	BODY
6.	179-4657	[1]	PISTON
7.	179-4658	[1]	PISTON
8.	179-4169	[1]	PLUG-ADJUSTMENT
9.	179-4661	[1]	SPINDLE
10.	179-4666	[1]	CONE
11.	179-4667	[1]	POPPET
12.	179-4668	[1]	RETAINER-BALL
13.	179-4669	[1]	ADAPTER
14.	179-4670	[1]	SPINDLE
15.	8U-6465	[1]	SPRING
16.	179-4170	[1]	SPRING
17.	179-4171	[1]	SPRING
18.	179-4173	[1]	SPRING
19.	179-4176 J	[1]	RING-BACKUP
20.	179-4178 J	[1]	RING-BACKUP
21.	8U-7383 J	[1]	SEAL-O-RING
22.	161-6149 J	[2]	SEAL-O-RING
23.	6V-8399 J	[2]	SEAL-O-RING
24.	9X-7454 J	[1]	SEAL-O-RING
25.	5K-5221 J	[1]	SEAL-O-RING
26.	096-6100 J	[1]	SEAL-O-RING
27.	4J-0520 J	[1]	SEAL-O-RING
28.	8U-7389 J	[1]	RING
29.	3D-7943	[1]	RING-RETAINING
30.	5W-9420 JM	[1]	LOCKNUT (M8X1.25-THD)
31.	179-4180 J	[1]	LOCKNUT
32.	8U-1218	[1]	CAP-NUT

			AVAILABLE REPAIR KIT(S):
	179-4672 J	[1]	KIT-SEAL (LOAD CONTROL VALVE)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP56280646

254-2677: VALVE GP-CHECK

VALVE GP-CHECK

254-2677 VALVE GP-CHECK -VA BOOM
S/N D9X1-UP
PART OF 251-7910 LINES GP-LOAD CONTROL VALVE

i02610799 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-8004	[3]	PLUG (9/16-18-THD)
2.	3J-1907	[3]	SEAL-O-RING
3.	9S-8005	[1]	PLUG (3/4-16-THD)
4.	3K-0360	[1]	SEAL-O-RING
5.	9S-8006	[1]	PLUG (7/8-14-THD)
6.	2M-9780	[1]	SEAL-O-RING
7.	148-9037	[1]	HOUSING
8.	148-9042	[1]	PISTON
9.	148-9044	[1]	SPINDLE
10.	148-9405	[1]	CAGE
11.	148-9047	[1]	ROD
12.	148-9050	[1]	RETAINER
13.	148-9051	[1]	CONE
14.	148-9053	[1]	SPRING
15.	148-9054	[1]	SPRING
16.	6V-5326	[1]	SEAL-O-RING
17.	5W-9420 M	[1]	LOCKNUT (M8X1.25-THD)
18.	5W-5066	[1]	BALL
19.	8U-1218	[1]	CAP-NUT
20.	7J-9933	[1]	SEAL-O-RING
21.	6V-5391	[1]	SEAL-O-RING
22.	1R-5318	[1]	SEAL-O-RING
23.	4J-5267	[1]	SEAL-O-RING

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
	M		METRIC PART

#SEBP56280647

358-9923: VALVE GP-COMBINATION

VALVE GP-COMBINATION

358-9923 VALVE GP-COMBINATION -MULTIFUNCTION
S/N D9X1-UP
PART OF 251-7931 VALVE & LINES GP-AUXILIARY

i04015369 SEBP5628

3589923 VALVE GP-COMBINATION Parts scheme

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-6788 J	[2]	SEAL-O-RING
2.	114-0787	[2]	SPRING-RETAINER
3.	202-8518	[2]	SPRING
4.	9X-4626	[1]	SEAL-O-RING
5.	273-0847	[1]	ACTUATOR
6.	8T-2396 M	[2]	BOLT (M6X1X60-MM)
7.	322-6342 Y	[2]	VALVE GP-SOLENOID & PRESS REDC (MULTIFUNCTION CONTROL VALVE)
8.	288-8033	[1]	PLATE
9.	288-8034	[1]	SEAL-RING
10.	236-9838 M	[1]	BOLT-SOCKET HEAD (M6X1X8-MM)
11.	8T-0269 M	[2]	BOLT-SOCKET HEAD (M6X1X20-MM)
12.	214-3402	[1]	SPOOL
13.	202-8519	[1]	SPRING
14.	207-0416	[1]	PLUG
15.	5P-7530 J	[1]	SEAL-O-RING
16.	207-1716	[1]	CONE
17.	202-8517	[1]	SPRING
18.	273-0849	[1]	PLUG AS
19.	291-4623	[1]	VALVE GP-SOLENOID & RELIEF (MULTIFUNCTION CONTROL VALVE)
	6V-4589	[1]	SEAL-O-RING
	291-5803	[1]	SOLENOID (MULTIFUNCTION COMBINED VALVE)
	291-5804	[1]	NUT-CAP
	291-5805	[1]	KIT-SEAL (MULTIFUNCTION CONTROL VALVE)
			(INCLUDES O-RING SEALS & BACKUP RINGS)
20.	339-6258 Y	[1]	VALVE GP-RELIEF (LINE, VARIABLE ADJUSTABLE BOOM)
21.	190-9752	[1]	PLUG AS
22.	359-9469	[1]	PLUG AS
	359-9486	[1]	KIT-SEAL
			(INCLUDES O-RING SEALS & BACKUP RINGS)
23.	207-2607	[1]	VALVE AS (HYDRAULIC GENERATOR)
	207-3085	[1]	KIT-SEAL (VALVE)
			(INCLUDES O-RING SEAL & THRUST RING)
24.	207-0983	[1]	NUT (M22X1.5-THD)
25.	202-8525	[1]	SPRING
26.	207-0418	[1]	PLUG
27.	9X-4619	[1]	SEAL-O-RING
28.	202-8524	[1]	SPRING
29.	207-0807	[1]	SPOOL
30.	207-3164	[1]	PLUG GP
	5W-9413	[1]	SEAL-O-RING
31.	297-0142	[1]	VALVE GP-SOLENOID (MULTIFUNCTION CONTROL VALVE)
	3E-6749	[1]	SEAL-O-RING
	033-5879	[1]	SEAL-O-RING
	123-2341	[1]	SEAL-O-RING
32.	291-4624	[1]	VALVE GP-SOLENOID & RELIEF (MULTIFUNCTION CONTROL VALVE)
	291-5803	[1]	SOLENOID (MULTIFUNCTION COMBINED VALVE)
	291-5806	[1]	NUT-SPECIAL (M18X1.5-THD)
	291-5807	[1]	KIT-SEAL (SOLENOID VALVE)
			(INCLUDES O-RING SEALS & BACKUP RINGS)
33.	288-8035	[1]	SPOOL
			(USE WITH HOUSING MARKED "0")
			-OR-
	288-8036	[1]	SPOOL
			(USE WITH HOUSING MARKED "30")
35.	235-1838 J	[1]	SEAL-O-RING
36.	3P-1155 J	[2]	SEAL-O-RING
37.	214-3413	[1]	NOZZLE
38.	114-0207	[5]	PLUG GP-CONTROL VALVE (GENERATOR)
			(EACH INCLUDES)
	214-7568	[1]	SEAL-O-RING
39.	214-3403	[1]	VALVE AS-CHECK (HYDRAULIC GENERATOR)
40.	235-2175	[1]	SEAL-RING

			AVAILABLE REPAIR KIT(S):
	204-4951 J	[1]	KIT-SEAL (COMBINATION VALVE)
			(ALSO INCLUDES O-RING SEALS)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP56280648

192-3177: VALVE GP-CONTROL

VALVE GP-CONTROL

192-3177 VALVE GP-CONTROL -HYDRAULIC GENERATOR
S/N D9X1-UP
PART OF 281-1271 LINES GP-HYDRAULIC GENERATOR

i03147502 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3E-6788 J	[2]	SEAL-O-RING
2.	114-0787	[2]	SPRING-RETAINER
3.	202-8526	[2]	SPRING
4.	9X-4626 J	[1]	SEAL-O-RING
5.	214-6816	[1]	ACTUATOR
6.	8T-2396 M	[2]	BOLT (M6X1X60-MM)
7.	322-5722 C	[1]	VALVE GP-SOLENOID (HYDRAULIC GENERATOR)
	210-1330	[1]	KIT-SEAL (SOLENOID VALVE)
			(INCLUDES O-RING SEALS, RECEPTACLE & WEDGE)
8.	236-0933	[1]	PLATE AS
8A.	236-0935	[1]	SEAL-RING
8B.	216-8277	[1]	BOLT-SOCKET HEAD (M4X0.7X8-MM)
9.	8T-0269 M	[2]	BOLT-SOCKET HEAD (M6X1X20-MM)
10.	189-9977 M	[1]	SETSCREW (M12X1X38-MM)
11.	114-3025 M	[1]	NUT (M12X1-THD)
12.	061-8639 J	[2]	SEAL-O-RING
13.	114-2999 M	[1]	NUT-CAP (M12X1-THD)
14.	247-3913	[1]	SPOOL
15.	247-3912	[1]	SPRING
16.	5P-7530 J	[1]	SEAL-O-RING
17.	247-3911	[1]	PLUG-SPECIAL
18.	207-1716	[1]	CONE
19.	202-8517	[1]	SPRING
20.	5P-9186 J	[1]	SEAL-O-RING
21.	207-0419	[1]	PLUG
22.	190-9752	[1]	PLUG AS
23.	207-5149	[1]	VALVE GP-MAKEUP (HYDRAULIC GENERATOR)
	204-6351	[1]	KIT-SEAL (MAKEUP)
			(INCLUDES SEAL AS, THRUST RING, & SEAL-O-RING)
24.	235-9098	[1]	PLUG GP
	033-6034	[1]	SEAL-O-RING
25.	207-2607	[1]	VALVE AS
	207-3085	[1]	KIT-SEAL (VALVE)
			(INCLUDES THRUST RING & SEAL-O-RING)
26.	207-0983	[1]	NUT (M22X1.5-THD)
27.	202-8525	[1]	SPRING
28.	9X-4619 J	[1]	SEAL-O-RING
29.	207-0418	[1]	PLUG
30.	207-3164	[1]	PLUG GP
30A.	5W-9413	[1]	SEAL-O-RING
31.	207-2142	[1]	SPOOL AS
32.	207-2143	[1]	SPOOL AS
34.	114-0207	[2]	PLUG GP-CONTROL VALVE
			(EACH INCLUDES)
34A.	6V-5049	[1]	SEAL-O-RING
35.	214-3403	[1]	VALVE AS-CHECK (HYDRAULIC GENERATOR)

			AVAILABLE REPAIR KIT(S):
	204-4953 J	[1]	KIT-SEAL (GENERATOR CHECK VALVE)
			(INCLUDES SEAL-O-RINGS)
	C		CHANGE FROM PREVIOUS TYPE
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP56280649

251-8026: VALVE GP-CONTROL

VALVE GP-CONTROL

251-8026 VALVE GP-CONTROL -MATERIAL HANDLER, BOOM
S/N D9X1-UP
PART OF 282-0531, 392-6870 BOOM AR-MATERIAL HANDLING

i03295800 SEBP5628

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Parts for your M318D MH WHEELED EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	194-7841	[1]	PLATE-COVER
2.	8T-0271 M	[4]	BOLT-SOCKET HEAD (M10X1.5X35-MM)
3.	3E-6788 J	[10]	SEAL-O-RING
4.	114-0787	[10]	SPRING-RETAINER
5.	224-8831	[10]	SPRING
6.	265-3742 CY	[9]	ACTUATOR GP-HYDRAULIC
7.	8T-2922 M	[20]	BOLT-SOCKET HEAD (M6X1X65-MM)
8.	122-7946	[6]	VALVE GP-THROTTLE (BUCKET, BLADE/STB, TRAVEL)
			(EACH INCLUDES)
8A.	115-6850	[1]	SEAL-RING
8B.	192-7117	[1]	SEAL-O-RING
9.	215-1187 H	[4]	VALVE GP-THROTTLE (BOOM, STICK)
			(EACH INCLUDES)
9A.	115-6850 H		SEAL-RING
9B.	192-7117 H		SEAL-O-RING
10.	206-7126	[4]	SPOOL
11.	234-9354	[1]	SPOOL AS
	163-4565	[2]	SEAL-O-RING
12.	202-8523	[5]	SPRING
13.	265-3784	[4]	PLUG AS
14.	265-3785	[1]	PLUG AS
15.	114-0203	[10]	CONE
16.	114-0204	[10]	SPRING
17.	114-0205	[10]	PLUG
18.	114-0215 L	[1]	PLUG GP-CONTROL VALVE
19.	114-0216 Y	[2]	VALVE GP-RELIEF (MAKEUP)
20.	114-0217 Y	[2]	VALVE GP-RELIEF (LINE)(LINE, BUCKET)
20A.	114-0217 Y	[2]	VALVE GP-RELIEF (LINE)(LINE, STICK)
20B.	114-0217 Y	[2]	VALVE GP-RELIEF (LINE)(LINE, BOOM)
20C.	114-0217 Y	[1]	VALVE GP-RELIEF (LINE)(MAIN)
21.	219-5628	[1]	ADAPTER AS
	5P-3456	[1]	SEAL-O-RING
	5P-8356	[1]	SEAL-O-RING
	115-7764	[2]	RING-BACKUP
22.	272-4873 X	[1]	VALVE GP-FLOW CONTROL (SIGNAL LIMITER)
23.	141-7812 Y	[1]	VALVE GP-RELIEF (SIGNAL LIMITER)(SIGNAL LIMITER)
24.	189-3016	[1]	PILOT
25.	234-9356	[1]	ORIFICE-SHUTTLE
26.	189-3014 M	[1]	SCREW
27.	206-7094	[1]	SPOOL
28.	206-7106	[1]	SPRING-RETAINER
29.	202-8522	[1]	SPRING
30.	190-9752	[4]	PLUG AS
31.	296-3181	[1]	VALVE AS-CHECK
	3E-6790	[1]	SEAL-O-RING
32.	296-3182	[1]	VALVE AS-CHECK
	3E-6790	[1]	SEAL-O-RING
33.	189-6159	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 0)
			-OR-
	206-7095	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 30)
35.	308-7470	[1]	SPOOL AS-VALVE
			(USE WITH VALVE BODY MARKED 0)
			-OR-
	308-7471	[1]	SPOOL AS-VALVE
			(USE WITH VALVE BODY MARKED 30)
37.	233-8743	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 0)
			-OR-
	233-8744	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 30)
39.	189-6154	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 0)
			-OR-
	189-6156	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 30)
41.	215-1195	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 0)
			-OR-
	215-1196	[1]	SPOOL
			(USE WITH VALVE BODY MARKED 30)
43.	235-1838 J	[2]	SEAL-O-RING
44.	235-2175 J	[5]	SEAL-RING
45.	7X-4744 J	[2]	SEAL-O-RING
46.	122-7945	[1]	NOZZLE
47.	9S-8004	[4]	PLUG (9/16-18-THD)
48.	3J-1907	[4]	SEAL-O-RING
49.	9S-8008	[1]	PLUG (1-1/16-12-THD)
50.	3D-2824	[1]	SEAL-O-RING
51.	234-9357	[1]	PLATE-COVER
52.	160-8758 M	[4]	BOLT-SOCKET HEAD (M10X1.5X55-MM)
53.	314-8471 CY	[1]	ACTUATOR GP-HYDRAULIC
54.	314-8468 C	[1]	VALVE-BREATHER

			AVAILABLE REPAIR KIT(S):
	266-9565 J	[1]	KIT-SEAL (MAIN CONTROL VALVE)(MAIN CONTROL VALVE)
			(INCLUDES 20 ADDITIONAL O-RING SEALS)
	206-7127 X	[1]	KIT-SEAL (FLOW CONTROL VALVE)
			(INCLUDES 2 O-RING SEALS & 2 BACK-UP RINGS)
	192-0705 H	[1]	KIT-SEAL (THROTTLE VALVE)
			(INCLUDES SEAL-O-RINGS)
	114-2943 L	[1]	KIT-SEAL (MAIN CONTROL VALVE PLUGS)(STABILIZER)
			(INCLUDES 2 O-RING SEALS & 2 BACKUP SEALS)
	C		CHANGE FROM PREVIOUS TYPE
	H		KIT MARKED H SERVICES PART(S) MARKED H
	J		KIT MARKED J SERVICES PART(S) MARKED J
	L		KIT MARKED L SERVICES PART(S) MARKED L
	M		METRIC PART
	X		KIT MARKED X SERVICES PART(S) MARKED X
	Y		SEPARATE ILLUSTRATION