204-6287 TANK GP-HYDRAULIC S/N BNH1-UP PART OF 189-7471 GUARD GP-FUEL & HYDRAULIC TANK 988G WHEEL LOADER

HYDRAULIC SYSTEM

TANK GP

0. 204-6287 TANK GP-HY

VALVE GP-CONTROL

1. 137-1769 VALVE & MT

VALVE GP-CHECK

2. 128-2780 VALVE GP-C
3. 9T-3096 VALVE GP-C

VALVE GP-CONTROL

4. 155-2268 VALVE GP-C
5. 155-2268 VALVE GP-C

VALVE GP-FAN REVERSING

6. 162-2191 VALVE GP-F

VALVE GP-CONTROL

7. 133-8612 VALVE GP-M
8. 133-8612 VALVE GP-M
9. 133-8612 VALVE GP-M
0. INFORMATION

WHEEL LOADER 988G WHEEL LOADER 2TW
Custom Product Support Literature for the 988G Wheel Loader 2TW00001-UP (MACHINE) SEBC1318 988G 2TW (1999)

HYDRAULIC SYSTEM

TANK GP

189-7471 GUARD GP-FUEL & HYDRAULIC TANK

160-3857 GUARD GP-HYDRAULIC TANK

204-6287 TANK GP-HYDRAULIC

#SEBC13180300

204-6287: TANK GP-HYDRAULIC

TANK GP-HYDRAULIC

204-6287 TANK GP-HYDRAULIC
S/N BNH1-UP
PART OF 189-7471 GUARD GP-FUEL & HYDRAULIC TANK

i01916327 SEBC1318

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1U-2827	[1]	GUIDE-VALVE
2.	2D-4202	[1]	PLATE
3.	6E-6550	[1]	GAUGE AS-LIQUID LEVEL
	8F-3469	[4]	SEAL-O-RING
	121-7958	[2]	BOLT-MOUNTING (1/2-20X1.75-IN)
4.	7B-3039	[1]	SPRING
5.	7H-1447	[1]	CAP-FILLER (HYDRAULIC TANK)
6.	7J-2656	[3]	SCREEN AS
7.	8J-8782	[1]	BODY-DRAIN VALVE
8.	8J-8783	[1]	VALVE-DRAIN
9.	8T-3298	[1]	SEAL-RECTANGULAR
10.	9J-3047	[1]	STRAINER (HYDRAULIC TANK FILL)
11.	9J-7031	[1]	PLUG-DRAIN (HYDRAULIC TANK)
12.	9T-9226	[2]	PLATE
13.	9T-9227	[2]	SCREEN AS
14.	138-3909	[1]	COVER AS
15.	142-0203	[1]	TUBE AS
16.	153-9784	[1]	TUBE AS
17.	154-0930	[3]	TUBE AS
18.	177-0093	[1]	COVER AS
19.	178-0182	[1]	SCREEN
20.	204-6286	[1]	TANK AS-HYDRAULIC
21.	304-9540	[1]	GASKET
22.	1H-9696	[4]	SEAL-O-RING
23.	1P-4579	[4]	FLANGE-HALF
24.	1P-4582	[2]	FLANGE-HALF
25.	1U-1570	[1]	TUBE
26.	3G-0361	[1]	GASKET
27.	3V-9862	[2]	SPACER (16.75X32X8-MM THK)
28.	4J-0527	[1]	SEAL-O-RING
29.	4M-0189	[1]	SEAL-O-RING
30.	4T-8698	[3]	WASHER (12.2X62X3.5-MM THK)
31.	5M-2057	[1]	SEAL-O-RING
32.	5P-8245	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
33.	6V-5839	[2]	WASHER (11X21X2.5-MM THK)
34.	6V-7744 M	[9]	LOCKNUT (M10X1.5-THD)
35.	8C-3206	[2]	FLANGE-HALF
36.	8T-0558 M	[2]	BOLT-SELF-LOCKING (M12X1.75X50-MM)
37.	8T-0722 M	[8]	BOLT-LOCKING (M10X1.5X30-MM)
38.	8T-2275	[1]	BALL
39.	8T-4121	[57]	WASHER-HARD (11X21X2.5-MM THK)
40.	8T-4137 M	[51]	BOLT (M10X1.5X20-MM)
41.	8T-4183 M	[12]	BOLT (M12X1.75X40-MM)
42.	8T-4196 M	[4]	BOLT (M10X1.5X35-MM)
43.	8T-4223	[12]	WASHER-HARD (13.5X25.5X3-MM THK)
44.	9H-6454	[1]	GASKET

	5P-9119 BDF		GASKET-TAPE (ADHESIVE BACKED)
	B		USE AS REQUIRED
	D		ORDER BY THE METER
	F		NOT SHOWN
	M		METRIC PART

#SEBC13180301

137-1769: VALVE & MTG GP-MAIN CONTROL

VALVE & MTG GP-MAIN CONTROL

137-1769 VALVE & MTG GP-MAIN CONTROL -3-FUNCTION, LOGGING
S/N BNH1-UP; 2TW1-UP
PART OF 2Q-8448, 2Q-8449 CONVERSION AR-MACHINE

i01007254 SEBC1318

1371769 VALVE & MTG GP-MAIN CONTROL Parts scheme

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-1674	[1]	TEE
2.	9T-3096 Y	[1]	VALVE GP-CHECK (PILOT)
3.	198-7669 I	[1]	HOSE AS
4.	104-7108	[1]	VALVE GP-CHECK (PILOT)
5.	112-1817	[1]	VALVE-BALL (LOWERING CONTROL)
6.	133-8612 Y	[1]	VALVE GP-MAIN CONTROL (3-FUNCTION, LOGGING)
7.	198-7667 I	[1]	HOSE AS
8.	151-7455 Y	[1]	VALVE GP-SOLENOID (24-VOLT)(HYDRAULIC LOCKOUT)
9.	153-6293	[1]	ELBOW
10.	198-6439	[1]	PLATE
11.	154-5512	[1]	BRACKET AS
12.	154-6819	[1]	BRACKET AS
13.	154-6820	[1]	PLATE
14.	154-7179	[1]	BRACKET
15.	156-9156 I	[1]	HOSE AS
16.	198-6434	[1]	PLATE
17.	198-7670 I	[1]	HOSE AS
18.	198-7668 I	[1]	HOSE AS
19.	148-8353	[1]	ELBOW AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-9001	[1]	ELBOW
20.	148-8364	[2]	ELBOW AS
			(EACH INCLUDES)
	6V-8625	[1]	ELBOW
	6V-8398	[1]	SEAL-O-RING
	3K-0360	[1]	SEAL-O-RING
21.	148-8378	[3]	ELBOW AS
			(EACH INCLUDES)
	6V-8724	[1]	ELBOW
	6V-8397	[1]	SEAL-O-RING
	3J-1907	[1]	SEAL-O-RING
22.	148-8435	[1]	TEE AS
	6V-8781	[1]	TEE
	6V-8397	[2]	SEAL-O-RING
	3J-1907	[1]	SEAL-O-RING
23.	1P-3705	[2]	SEAL-RECTANGULAR
24.	3E-9411	[5]	WASHER-HARD (17.5X38X6-MM THK)
25.	3J-1907	[1]	SEAL-O-RING
26.	096-6166	[4]	WASHER-HARD (4.5X9X1-MM THK)
27.	4J-0527	[1]	SEAL-O-RING
28.	5K-9090	[1]	SEAL-O-RING
29.	5P-1076	[2]	WASHER-HARD (13.5X30X4-MM THK)
30.	5P-8077	[4]	FLANGE-HALF
31.	6V-8200 M	[4]	BOLT-SOCKET HEAD (M12X1.75X35-MM)
32.	6V-8397	[1]	SEAL-O-RING
33.	6V-8398	[1]	SEAL-O-RING
34.	6V-9833	[1]	CAP AS
35.	7M-8485	[1]	SEAL-O-RING
36.	7X-0583	[8]	WASHER-HARD (17X45X6-MM THK)
37.	7X-2554 M	[8]	BOLT (M16X2X70-MM)
38.	8T-0285 M	[4]	SCREW-MACHINE (M4X0.7X12-MM)
39.	198-8196 I	[2]	HOSE AS
40.	8T-4132 M	[1]	NUT (M16X2-THD)
41.	8T-4184 M	[2]	BOLT (M12X1.75X45-MM)
42.	8T-4139 M	[12]	BOLT (M12X1.75X30-MM)
43.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
44.	8T-4175 M	[1]	BOLT (M16X2X90-MM)
45.	8T-4192 M	[4]	BOLT (M12X1.75X25-MM)
46.	8T-4193 M	[3]	BOLT (M16X2X50-MM)
47.	8T-4223	[18]	WASHER-HARD (13.5X25.5X3-MM THK)
48.	8T-4648 M	[2]	BOLT (M12X1.75X70-MM)
49.	9X-8257	[8]	WASHER (17.5X30X3.5-MM THK)
50.	148-8336	[1]	CONNECTOR AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8636	[1]	CONNECTOR
51.	148-8367	[1]	ELBOW AS
	6V-8397	[1]	SEAL-O-RING
	6V-9850	[1]	ELBOW
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC13180302

128-2780: VALVE GP-CHECK

VALVE GP-CHECK

128-2780 VALVE GP-CHECK -REVERSING FAN
S/N BNH1-UP; 2TW1-UP
PART OF 162-2191 VALVE GP-FAN REVERSING

i00171243 SEBC1318

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name

		AVAILABLE REPAIR KIT(S):
128-2779	[1]	KIT-SEAL (CHECK VALVE)
		(EACH INCLUDES SEAL-O-RINGS & BACKUP RINGS)

#SEBC13180303

9T-3096: VALVE GP-CHECK

VALVE GP-CHECK

9T-3096 VALVE GP-CHECK
S/N BNH1-UP; 2TW1-UP
DEAD ENGINE, LIFT ARM LOWER
PART OF 137-1769 VALVE & MTG GP-MAIN CONTROL

i01540255 SEBC1318

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
			(NO SERVICED PARTS)

#SEBC13180304

155-2268: VALVE GP-CONTROL

VALVE GP-CONTROL

155-2268 VALVE GP-CONTROL -AUXILIARY
S/N BNH1-UP
PART OF 2Q-8587 CONVERSION GP-CONTROL VALVE
Type 1

i01994505 SEBC1318

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	217-6719 Y	[1]	ACTUATOR GP-PILOT CONTROL
2.	155-2291	[1]	HOUSING
3.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE,AUX CYL ROD END PORT)
3A.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE,AUX CYL HEAD END PORT)
4.	102-4158	[1]	PLUG AS
	3G-5003	[1]	BUSHING
	102-4157	[1]	PLUG
5.	2S-4078	[1]	SEAL-O-RING
6.	102-4156	[1]	VALVE-CONTROL (LOAD CHECK)
7.	9L-9188	[1]	SPRING-VALVE
8.	1H-5728	[1]	SEAL-O-RING
9.	113-8263	[1]	PISTON
10.	9S-4191	[1]	PLUG (9/16-18-THD)
11.	3J-1907	[3]	SEAL-O-RING
12.	165-5085 M	[6]	BOLT-SOCKET HEAD (M12X1.75X160-MM)
13.	7X-2546 M	[2]	BOLT (M10X1.5X180-MM)
14.	9R-5008	[8]	SPACER (11X20X6-MM THK)
15.	8T-5436 M	[2]	BOLT (M10X1.5X130-MM)
16.	6V-3965	[2]	FITTING (QUICK DISCONNECT)
17.	6V-0852	[2]	CAP-DUST
18.	2J-6274	[2]	SEAL-O-RING
19.	9S-8002	[2]	PLUG (7/16-20-THD)
20.	3J-7354	[2]	SEAL-O-RING
21.	5P-8077	[4]	FLANGE-HALF
22.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
23.	8T-4122	[8]	WASHER-HARD (17X32X3.5-MM THK)
24.	8T-4192 M	[2]	BOLT (M12X1.75X25-MM)
25.	7J-1592	[1]	COVER
26.	4B-4158	[2]	SCREW-DRIVE (NO 4X0.25-IN)
27.	5K-6816	[1]	CLIP
28.	217-6720 Y	[1]	ACTUATOR GP-PILOT CONTROL
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC13180305

155-2268: VALVE GP-CONTROL

VALVE GP-CONTROL

155-2268 VALVE GP-CONTROL -AUXILIARY
S/N BNH1-UP
PART OF 2Q-8587 CONVERSION GP-CONTROL VALVE
Type 2

i05680269 SEBC1318

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	217-6719 Y	[1]	ACTUATOR GP-PILOT CONTROL
2.	155-2291	[1]	HOUSING
3.	423-7705 CY	[1]	VALVE GP-RELIEF (ROD END)
3A.	423-7705 CY	[1]	VALVE GP-RELIEF (HEAD END)
4.	102-4158	[1]	PLUG AS
	3G-5003	[1]	BUSHING
	102-4157	[1]	PLUG
5.	2S-4078	[1]	SEAL-O-RING
6.	102-4156	[1]	VALVE-CONTROL (LOAD CHECK)
7.	9L-9188	[1]	SPRING-VALVE
8.	1H-5728	[1]	SEAL-O-RING
9.	113-8263	[1]	PISTON
10.	366-4695 C	[1]	PLUG AS
	3J-1907	[1]	SEAL-O-RING
	360-3679	[1]	PLUG-CONNECTOR (9/16-18-THD)
11.	3J-1907 C	[2]	SEAL-O-RING
12.	165-5085 M	[6]	BOLT-SOCKET HEAD (M12X1.75X160-MM)
13.	7X-2546 M	[2]	BOLT (M10X1.5X180-MM)
14.	9R-5008	[8]	SPACER (11X20X6-MM THK)
15.	8T-5436 M	[2]	BOLT (M10X1.5X130-MM)
16.	6V-3965	[2]	FITTING (QUICK DISCONNECT)
17.	6V-0852	[2]	CAP-DUST
18.	2J-6274	[2]	SEAL-O-RING
19.	367-6002 C	[2]	PLUG AS
			(EACH INCLUDES)
	3J-7354	[1]	SEAL-O-RING
	360-3677	[1]	PLUG (7/16-20-THD)
21.	5P-8077	[4]	FLANGE-HALF
22.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
23.	8T-4122	[8]	WASHER-HARD (17X32X3.5-MM THK)
24.	8T-4192 M	[2]	BOLT (M12X1.75X25-MM)
25.	7J-1592	[1]	COVER
26.	4B-4158	[2]	SCREW-DRIVE (NO 4X0.25-IN)
27.	5K-6816	[1]	CLIP
28.	217-6720 Y	[1]	ACTUATOR GP-PILOT CONTROL
29.	354-9131 C	[1]	VALVE GP-CONTROL
30.	8L-6565 C	[2]	PIN-SPRING
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC13180306

162-2191: VALVE GP-FAN REVERSING

VALVE GP-FAN REVERSING

162-2191 VALVE GP-FAN REVERSING
S/N BNH1-UP; 2TW1-UP
PART OF 189-7762 LINES GP-HYDRAULIC FAN

i01390492 SEBC1318

1622191 VALVE GP-FAN REVERSING Parts scheme

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	128-2780 Y	[2]	VALVE GP-CHECK (REVERSING FAN)
2.	152-8340 Y	[1]	VALVE GP-SOLENOID (24-VOLT)(REVERSING FAN)
3.	166-8498 Y	[3]	VALVE GP-RELIEF (REVERSING FAN)
4.	178-9037 H	[2]	VALVE GP-DIVERTER (REVERSING FAN)
			(EACH INCLUDES)
4A.	4K-1388 H	[1]	SEAL-O-RING
5.	239-0617 J	[1]	VALVE GP-CHECK (MAKEUP)
5A.	095-1513 J	[1]	SEAL-O-RING
5B.	3H-0442 J	[1]	SEAL-O-RING
6.	3J-1907	[6]	SEAL-O-RING
7.	3K-0360	[2]	SEAL-O-RING
8.	4J-7533	[11]	SEAL-O-RING
9.	9S-8001	[11]	PLUG
10.	9S-8004	[6]	PLUG (9/16-18-THD)
11.	9S-8005	[2]	PLUG (3/4-16-THD)

			AVAILABLE REPAIR KIT(S):
	188-6298 H	[1]	KIT-SEAL (DIVERTER VALVE)(REVERSING FAN)
			(INCLUDES O-RINGS & BACK-UP RINGS)
	239-5157 J	[1]	KIT-SEAL (CHECK VALVE)(REVERSING FAN)
			(INCLUDES O-RINGS & BACK-UP RINGS)
	H		(KIT MARKED H SERVICES PARTS MARKED H)
	J		(KIT MARKED J SERVICES PARTS MARKED J)
	Y		SEPARATE ILLUSTRATION

#SEBC13180307

133-8612: VALVE GP-MAIN CONTROL

VALVE GP-MAIN CONTROL

133-8612 VALVE GP-MAIN CONTROL -3-FUNCTION, LOGGING
S/N 2TW1-UP
PART OF 137-1769 VALVE & MTG GP-MAIN CONTROL

i01006807 SEBC1318

1338612 VALVE GP-MAIN CONTROL Parts scheme

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Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	165-5085 M	[6]	BOLT-SOCKET HEAD (M12X1.75X160-MM)
2.	3H-3385	[2]	SEAL-O-RING
3.	6V-5759	[2]	SEAL-O-RING
4.	6V-0852	[5]	CAP-DUST
5.	8L-6565	[6]	PIN-SPRING
6.	203-8482	[1]	MANIFOLD
7.	180-9550 Y	[3]	ACTUATOR GP-PILOT CONTROL
8.	112-8244	[1]	HOUSING
9.	155-2291	[1]	HOUSING
10.	117-9341	[1]	BODY
11.	100-6731	[1]	STEM
12.	185-5626	[1]	SPRING
13.	143-8912 Y	[1]	VALVE GP-RELIEF (PILOT OPERATED)
14.	6E-2140	[1]	RETAINER AS
15.	7D-8508	[1]	NUT-FULL (7/8-14-THD)
16.	2M-9780	[1]	SEAL-O-RING
17.	9G-4733	[1]	TUBE
18.	9S-4182	[7]	PLUG (7/16-20-THD)
19.	9S-8002	[4]	PLUG (7/16-20-THD)
20.	8T-6466 M	[3]	BOLT (M10X1.5X60-MM)
21.	9R-5008	[27]	SPACER (11X20X6-MM THK)
22.	4J-5309	[1]	SEAL-O-RING
23.	8T-2353	[2]	ADAPTER
24.	3J-7354	[13]	SEAL-O-RING
25.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
26.	1P-3704	[1]	SEAL-RECTANGULAR
27.	4J-0523	[4]	SEAL-O-RING
28.	095-9804 M	[4]	BOLT-SOCKET HEAD (M12X1.75X110-MM)
29.	117-0161 Y	[1]	VALVE GP-RELIEF (LINE, TILT CYL ROD END PORT)
30.	102-4158	[3]	PLUG AS
			(EACH INCLUDES)
	3G-5003	[1]	BUSHING
31.	2S-4078	[3]	SEAL-O-RING
32.	102-4156	[3]	VALVE-CONTROL
33.	9L-9188	[3]	SPRING-VALVE
34.	1H-5728	[3]	SEAL-O-RING
35.	7J-1592	[1]	COVER
36.	9S-4180	[1]	PLUG
37.	4J-7533	[1]	SEAL-O-RING
38.	6E-4286 J	[1]	VALVE GP-PRESSURE REDUCING
39.	4T-1860 Y	[1]	VALVE GP-SHUTTLE (BALL RESOLVER)
40.	9S-9334	[3]	PLUG-O-RING
41.	7M-8485	[3]	SEAL-O-RING
42.	6E-1291	[1]	VALVE-CONTROL
43.	7J-7852	[1]	SPRING
44.	117-0160 Y	[1]	VALVE GP-RELIEF (LINE, TILT CYL HEAD END PORT)
45.	113-8263	[3]	PISTON
46.	8T-4192 M	[2]	BOLT (M12X1.75X25-MM)
47.	125-9349 Y	[1]	VALVE GP-RELIEF (LINE, LIFT CYL HEAD END PORT)
48.	1P-3705	[1]	SEAL-RECTANGULAR
52.	7X-2546 M	[6]	BOLT (M10X1.5X180-MM)
53.	6V-8397	[2]	SEAL-O-RING
54.	9R-7996 I	[1]	HOSE AS
55.	6V-8724	[1]	ELBOW
56.	7X-2549 M	[2]	BOLT (M12X1.75X100-MM)
57.	8T-5436 M	[6]	BOLT (M10X1.5X130-MM)
58.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE, AUX CYL ROD END PORT)
59.	2J-6274	[6]	SEAL-O-RING
60.	6V-0484	[2]	ELBOW
61.	8T-0075	[1]	CONNECTOR
62.	9S-4191	[5]	PLUG (9/16-18-THD)
63.	9S-8004	[3]	PLUG (9/16-18-THD)
64.	6V-3965	[5]	FITTING (QUICK DISCONNECT)
65.	3J-1907	[17]	SEAL-O-RING
66.	4B-4158	[6]	SCREW-DRIVE (NO 4X0.25-IN)
67.	179-8248 Y	[3]	ACTUATOR GP-PILOT CONTROL
68.	8T-4140 M	[12]	BOLT (M16X2X60-MM)
69.	8T-4122	[12]	WASHER-HARD (17X32X3.5-MM THK)
70.	5P-8077	[6]	FLANGE-HALF
71.	117-0161 Y	[1]	VALVE GP-RELIEF (LINE, LIFT CYL ROD END PORT)
72.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE, AUX CYL HEAD END PORT)

			AVAILABLE REPAIR KIT(S):
	6E-4287 J	[1]	KIT-SEAL (PRESSURE REDUCING VALVE)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC13180308

133-8612: VALVE GP-MAIN CONTROL

VALVE GP-MAIN CONTROL

133-8612 VALVE GP-MAIN CONTROL -3-FUNCTION, LOGGING
S/N BNH1-UP; 2TW1-UP
PART OF 137-1769 VALVE & MTG GP-MAIN CONTROL

i01666923 SEBC1318

For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-8077	[6]	FLANGE-HALF
2.	4B-4158	[7]	SCREW-DRIVE (NO 4X0.25-IN)
3.	185-5626	[1]	SPRING
4.	8T-4140 M	[12]	BOLT (M16X2X60-MM)
5.	8T-4122	[12]	WASHER-HARD (17X32X3.5-MM THK)
6.	203-8482	[1]	MANIFOLD
7.	217-6720 CY	[3]	ACTUATOR GP-PILOT CONTROL
8.	112-8244	[1]	HOUSING
9.	155-2291	[1]	HOUSING
10.	117-9341	[1]	BODY
11.	100-6731	[1]	STEM
12.	217-6719 CY	[3]	ACTUATOR GP-PILOT CONTROL
13.	143-8912 Y	[1]	VALVE GP-RELIEF (MAIN)
14.	6E-2140	[1]	RETAINER AS
15.	7D-8508	[1]	NUT-FULL (7/8-14-THD)
16.	2M-9780	[1]	SEAL-O-RING
17.	9G-4733	[1]	TUBE
18.	9S-4182	[7]	PLUG (7/16-20-THD)
19.	9S-8002	[4]	PLUG (7/16-20-THD)
20.	8T-6466 M	[3]	BOLT (M10X1.5X60-MM)
21.	9R-5008	[27]	SPACER (11X20X6-MM THK)
22.	4J-5309	[1]	SEAL-O-RING
23.	8T-2353	[2]	ADAPTER
24.	3J-7354	[13]	SEAL-O-RING
25.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
26.	1P-3704	[1]	SEAL-RECTANGULAR
27.	4J-0523	[4]	SEAL-O-RING
28.	095-9804 M	[4]	BOLT-SOCKET HEAD (M12X1.75X110-MM)
29.	117-0161 Y	[1]	VALVE GP-RELIEF (LINE, LIFT CYL ROD END PORT)
29A.	117-0161 Y	[1]	VALVE GP-RELIEF (LINE, TILT CYL ROD END PORT)
30.	102-4158	[3]	PLUG AS
			(EACH INCLUDES)
	3G-5003	[1]	BUSHING
	102-4157	[1]	PLUG
31.	2S-4078	[3]	SEAL-O-RING
32.	102-4156	[3]	VALVE-CONTROL
33.	9L-9188	[3]	SPRING-VALVE
34.	1H-5728	[3]	SEAL-O-RING
35.	7J-1592	[1]	COVER
36.	9S-4180	[1]	PLUG
37.	4J-7533	[1]	SEAL-O-RING
38.	6E-4286	[1]	VALVE GP-PRESSURE REDUCING
39.	4T-1860 Y	[1]	VALVE GP-SHUTTLE (BALL RESOLVER)
40.	9S-9334	[3]	PLUG-O-RING
41.	7M-8485	[3]	SEAL-O-RING
42.	6E-1291	[1]	VALVE-CONTROL
43.	7J-7852	[1]	SPRING
44.	117-0160 Y	[1]	VALVE GP-RELIEF (LINE, TILT CYL HEAD END PORT)
45.	113-8263	[3]	PISTON
46.	8T-4192 M	[2]	BOLT (M12X1.75X25-MM)
47.	125-9349 Y	[1]	VALVE GP-RELIEF (LINE, LIFT CYL HEAD END PORT)
48.	1P-3705	[1]	SEAL-RECTANGULAR
49.	8L-6565	[6]	PIN-SPRING
50.	7X-2546 M	[6]	BOLT (M10X1.5X180-MM)
51.	6V-8397	[2]	SEAL-O-RING
52.	9R-7996 I	[1]	HOSE AS
53.	7X-2459 C	[1]	ADAPTER-TEE
54.	7X-2549 M	[2]	BOLT (M12X1.75X100-MM)
55.	8T-5436 M	[6]	BOLT (M10X1.5X130-MM)
56.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE, AUX CYL ROD END PORT)
56A.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE, AUX CYL HEAD END PORT)
57.	2J-6274	[6]	SEAL-O-RING
58.	6V-0484	[2]	ELBOW
59.	8T-0075	[1]	CONNECTOR
60.	9S-4191	[5]	PLUG (9/16-18-THD)
61.	9S-8004	[3]	PLUG (9/16-18-THD)
62.	6V-3965	[5]	FITTING (QUICK DISCONNECT)
63.	3J-1907	[17]	SEAL-O-RING
64.	6V-0852	[5]	CAP-DUST
65.	6V-5759	[2]	SEAL-O-RING
66.	3H-3385	[2]	SEAL-O-RING
67.	165-5085 M	[6]	BOLT-SOCKET HEAD (M12X1.75X160-MM)
	C		CHANGE FROM PREVIOUS TYPE
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBC13180309

133-8612: VALVE GP-MAIN CONTROL

VALVE GP-MAIN CONTROL

133-8612 VALVE GP-MAIN CONTROL -3-FUNCTION, LOGGING
S/N BNH1-UP
PART OF 137-1769 VALVE & MTG GP-MAIN CONTROL

i01971690 SEBC1318

For full view, you need register

Parts for your 988G WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-8077	[6]	FLANGE-HALF
2.	4B-4158	[7]	SCREW-DRIVE (NO 4X0.25-IN)
3.	185-5626	[1]	SPRING
4.	8T-4140 M	[12]	BOLT (M16X2X60-MM)
5.	8T-4122	[12]	WASHER-HARD (17X32X3.5-MM THK)
6.	203-8482	[1]	MANIFOLD
7.	217-6720 Y	[3]	ACTUATOR GP-PILOT CONTROL
8.	112-8244	[1]	HOUSING
9.	155-2291	[1]	HOUSING
10.	117-9341	[1]	BODY
11.	100-6731	[1]	STEM
12.	217-6719 Y	[3]	ACTUATOR GP-PILOT CONTROL
13.	143-8912 Y	[1]	VALVE GP-RELIEF (MAIN)
14.	6E-2140	[1]	RETAINER AS
15.	7D-8508	[1]	NUT-FULL (7/8-14-THD)
16.	2M-9780	[1]	SEAL-O-RING
17.	9G-4733	[1]	TUBE
18.	155-3624 C	[7]	PLUG AS
19.	183-7263 C	[4]	PLUG AS
20.	8T-6466 M	[3]	BOLT (M10X1.5X60-MM)
21.	9R-5008	[27]	SPACER (11X20X6-MM THK)
22.	4J-5309	[1]	SEAL-O-RING
23.	8T-2353	[2]	ADAPTER
24.	3J-7354 C	[2]	SEAL-O-RING
25.	8T-4205	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
26.	1P-3704	[1]	SEAL-RECTANGULAR
27.	4J-0523	[4]	SEAL-O-RING
28.	095-9804 M	[4]	BOLT-SOCKET HEAD (M12X1.75X110-MM)
29.	117-0161 Y	[1]	VALVE GP-RELIEF (LINE, LIFT CYL ROD END PORT)
29A.	117-0161 Y	[1]	VALVE GP-RELIEF (LINE, TILT CYL ROD END PORT)
30.	102-4158	[3]	PLUG AS
			(EACH INCLUDES)
	3G-5003	[1]	BUSHING
	102-4157	[1]	PLUG
31.	2S-4078	[3]	SEAL-O-RING
32.	102-4156	[3]	VALVE-CONTROL
33.	9L-9188	[3]	SPRING-VALVE
34.	1H-5728	[3]	SEAL-O-RING
35.	7J-1592	[1]	COVER
36.	222-4737 C	[1]	PLUG AS
38.	6E-4286 J	[1]	VALVE GP-PRESSURE REDUCING
39.	4T-1860 Y	[1]	VALVE GP-SHUTTLE (BALL RESOLVER)
40.	148-8406 C	[3]	PLUG AS
42.	6E-1291	[1]	VALVE-CONTROL
43.	7J-7852	[1]	SPRING
44.	117-0160 Y	[1]	VALVE GP-RELIEF (LINE, TILT CYL HEAD END PORT)
45.	113-8263	[3]	PISTON
46.	8T-4192 M	[2]	BOLT (M12X1.75X25-MM)
47.	125-9349 Y	[1]	VALVE GP-RELIEF (LINE, LIFT CYL HEAD END PORT)
48.	1P-3705	[1]	SEAL-RECTANGULAR
49.	8L-6565	[6]	PIN-SPRING
50.	7X-2546 M	[6]	BOLT (M10X1.5X180-MM)
51.	6V-8397	[2]	SEAL-O-RING
52.	9R-7996 I	[1]	HOSE AS
53.	7X-2459	[1]	ADAPTER-TEE
54.	7X-2549 M	[2]	BOLT (M12X1.75X100-MM)
55.	8T-5436 M	[6]	BOLT (M10X1.5X130-MM)
56.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE, AUX CYL ROD END PORT)
56A.	172-5481 Y	[1]	VALVE GP-RELIEF (LINE, AUX CYL HEAD END PORT)
57.	2J-6274	[6]	SEAL-O-RING
58.	6V-0484	[2]	ELBOW
59.	8T-0075	[1]	CONNECTOR
60.	148-8407 C	[5]	PLUG AS
61.	162-0177 C	[5]	PLUG AS
62.	6V-3965	[5]	FITTING (QUICK DISCONNECT)
63.	3J-1907 C	[9]	SEAL-O-RING
64.	6V-0852	[5]	CAP-DUST
65.	6V-5759	[2]	SEAL-O-RING
66.	3H-3385	[2]	SEAL-O-RING
67.	165-5085 M	[6]	BOLT-SOCKET HEAD (M12X1.75X160-MM)

			AVAILABLE REPAIR KIT(S):
	6E-4287 J	[1]	KIT-SEAL (PRESSURE REDUCING VALVE)
			(INCLUDES RINGS & SEALS)
	C		CHANGE FROM PREVIOUS TYPE
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

Information:

HYDRAULIC SYSTEM

TANK GP

Operation and Maintenance Manual

Hydraulic System Oil Level - Check
988G Wheel Loader

Hydraulic System Oil - Change
988G Wheel Loader

Hydraulic System Oil Sample - Obtain
988G Wheel Loader

Hydraulic Tank Breaker Relief Valve - Clean
988G Wheel Loader

Special Instruction

Hydraulic System Cleanup Recommendations Following Catastrophic Component Failures on Wheel Loader Hydraulic Systems {0645, 0680, 0738, 0768, 5050, 5056, 5095}
Hydraulic System Cleanup Recommendations Following Catastrophic Component Failures on Wheel Loader Hydraulic Systems {0645, 0680, 0738, 0768, 5050, 5056, 5095}

Technical Information Bulletin

Procedure to Improve Slow Steering Response on Large Wheel Loaders, Wheel Dozers, and Landfill Compactors{4304, 4307, 5056}
Procedure to Improve Slow Steering Response on Large Wheel Loaders, Wheel Dozers, and Landfill Compactors{4304, 4307, 5056}

Specifications

Breaker Relief Valve
988G Wheel Loader Electrohydraulic System

Hydraulic Tank
988G Wheel Loader Electrohydraulic System

Tool Operating Manual

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Reuse And Salvage Guidelines

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Contamination Control Guidelines

Procedure for Filtering <NOBR> 9U-5000</NOBR> Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Filtration Procedure for Large Wheel Loader and Landfill Compactor Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Large Wheel Loader and Landfill Compactor Hydraulic Oil {0680, 0768, 5050, 5056}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Disassembly and Assembly

Hydraulic Tank - Remove
988G Wheel Loader Machine Systems

Hydraulic Tank - Disassemble
988G Wheel Loader Machine Systems

Hydraulic Tank - Assemble
988G Wheel Loader Machine Systems

Hydraulic Tank - Install
988G Wheel Loader Machine Systems

Service Magazine

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068}
2013/09/02

Welding On Fuel And Hydraulic Tanks {0353, 0679, 1273, 5056, 7000}
2005/12/19

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

Barrel Adapter Allows Technician to Attach Filter Unit to Barrel {0645, 0680}
2006/02/13

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

An Alternate Oil Filter Element for the Transmission Oil Filter Group Is Now Available for Certain Cat <SUP>®</SUP> Machines {3004, 3067, 5056, 5068}
An Alternate Oil Filter Element for the Transmission Oil Filter Group Is Now Available for Certain Cat ^® Machines {3004, 3067, 5056, 5068}

Improved Hydraulic System Filtration Is Now Available for Certain 988G/H Wheel Loaders, 834G/H Wheel Dozers, and 836G/H Compactors {5057, 5068, 5091, 5092}
Improved Hydraulic System Filtration Is Now Available for Certain 988G/H Wheel Loaders, 834G/H Wheel Dozers, and 836G/H Compactors {5057, 5068, 5091, 5092}

New Pressure Relief Breather for Hydraulic Tank Is Now Used on Certain Cat Products {1354}
New Pressure Relief Breather for Hydraulic Tank Is Now Used on Certain Cat Products {1354}

Caterpillar Parts SIS Catalog 988G :

189-9379 ROTATING GP-PUMP

185-0275 ROTATING GP-MOTOR

233-1562 PUMP GP-PISTON

215-5721 PUMP GP-PISTON

215-2349 PUMP & MTG GP-HYDRAULIC FAN

213-5268 MOTOR GP-PISTON

304-8946 LINES GP-TILT CYLINDER

189-7794 LINES GP-TILT CYLINDER

137-1769 VALVE & MTG GP-MAIN CONTROL

128-2780 VALVE GP-CHECK

9T-3096 VALVE GP-CHECK

155-2268 VALVE GP-CONTROL

162-2191 VALVE GP-FAN REVERSING

133-8612 VALVE GP-MAIN CONTROL

Truck sale:

Caterpillar 988G
- Wheel Loaders
FINANZAUTO S.A.

69,000

Caterpillar 988G, Wheel Loaders, Construction
- Wheel Loaders
FABICK CAT

Caterpillar 988G/H HIGH LIFT CYLINDER AND BUCKET, bucket, Construction
- bucket
WILLIAM ADAMS PTY. LTD.

Caterpillar 988G/H, bucket, Construction
- bucket
WILLIAM ADAMS PTY. LTD.

72,000

Caterpillar 988G, Wheel Loaders, Construction
- Wheel Loaders
MACALLISTER MACHINERY CO., INC