228-3638 PUMP GP-PISTON -HYD FAN, HIGH AMBIENT TEMP S/N BXY1-UP PART OF 226-1957 PUMP & MTG GP-HYDRAULIC FAN Type 1 988H

228-3638: PUMP GP-PISTON

228-3638 PUMP GP-PISTON -HYD FAN, HIGH AMBIENT TEMP
S/N BXY1-UP
PART OF 226-1957 PUMP & MTG GP-HYDRAULIC FAN
Type 1

Parts for your 988H WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	233-0065	[1]	SHAFT-DRIVE
2.	8C-3110	[1]	RING-RETAINING
3.	166-0344	[1]	SEAL-SHAFT
4.	9S-8006	[1]	PLUG (7/8-14-THD)
5.	2M-9780	[1]	SEAL-O-RING
6.	127-9490	[1]	SPRING (BIAS)
7.	168-2198	[1]	LINK-CONTROL
8.	168-7861	[1]	PISTON-ACTUATOR
9.	175-6799	[1]	PLUG-CONTROL
10.	8T-7525	[1]	SEAL-O-RING
11.	083-4419	[1]	PIN
12.	168-3504	[1]	SEAL
13.	120-4394	[1]	PLUG-BREAK OFF
14.	095-0670 M	[4]	BOLT (M12X1.75X45-MM)
15.	105-3035	[1]	CONE-BEARING
16.	203-8609	[1]	CUP-BEARING
17.	127-9485	[1]	SEAL-O-RING
18.	127-9483 B	[1]	SHIM (PRELOAD)
19.	168-7868 Y	[1]	ROTATING GP-PUMP (HYDRAULIC FAN)
20.	175-6795	[1]	SWASHPLATE
21.	237-4227	[1]	BEARING-CRADLE
22.	203-9163	[1]	CONE-BEARING
23.	6V-4636	[1]	CUP-BEARING
25.	207-0695 Y	[1]	VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)
26.	9X-7680	[3]	SEAL-O-RING
27.	8T-8442 M	[4]	BOLT-SOCKET HEAD (M6X1X30-MM)
	B		USE AS REQUIRED
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

228-3638: PUMP GP-PISTON

PUMP GP-PISTON

228-3638 PUMP GP-PISTON -HYD FAN, HIGH AMBIENT TEMP
S/N BXY1-UP
PART OF 226-1957 PUMP & MTG GP-HYDRAULIC FAN
Type 2

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	233-0065	[1]	SHAFT-DRIVE
2.	8C-3110	[1]	RING-RETAINING
3.	166-0344	[1]	SEAL-SHAFT
4.	9S-8006	[1]	PLUG (7/8-14-THD)
5.	2M-9780	[1]	SEAL-O-RING
6.	127-9490	[1]	SPRING (BIAS)
7.	168-2198	[1]	LINK-CONTROL
8.	168-7861	[1]	PISTON-ACTUATOR
9.	175-6799	[1]	PLUG-CONTROL
10.	8T-7525	[1]	SEAL-O-RING
11.	083-4419	[1]	PIN
12.	168-3504	[1]	SEAL
13.	120-4394	[1]	PLUG-BREAK OFF
14.	095-0670 M	[4]	BOLT (M12X1.75X45-MM)
15.	105-3035	[1]	CONE-BEARING
16.	203-8609	[1]	CUP-BEARING
17.	127-9485	[1]	SEAL-O-RING
18.	127-9483 B	[1]	SHIM (PRELOAD)
19.	168-7868 Y	[1]	ROTATING GP-PUMP (HYDRAULIC FAN)
20.	175-6795	[1]	SWASHPLATE
21.	237-4227	[1]	BEARING-CRADLE
22.	203-9163	[1]	CONE-BEARING
23.	6V-4636	[1]	CUP-BEARING
25.	CY	[1]	VALVE GP-PUMP CONTROL
26.	9X-7680	[3]	SEAL-O-RING
27.	8T-8442 M	[4]	BOLT-SOCKET HEAD (M6X1X30-MM)
28.	280-7870 C	[1]	GASKET
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

185-0275: ROTATING GP-MOTOR

ROTATING GP-MOTOR

185-0275 ROTATING GP-MOTOR -HYDRAULIC FAN
S/N BXY1-UP
PART OF 213-5268 MOTOR GP-PISTON

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	168-3379	[3]	PIN
2.	168-3382	[1]	WASHER (30X42X2.7-MM THK)
3.	185-0292	[1]	SPRING
4.	6V-7723	[1]	RING-RETAINING
5.	185-0287	[1]	PLATE-VALVE
6.	185-0289	[1]	BARREL
7.	168-3384	[9]	PISTON AS-PUMP
8.	168-3378	[1]	BEARING-SPHERICAL
9.	168-3385	[1]	PLATE-RETRACTION

168-7868: ROTATING GP-PUMP

ROTATING GP-PUMP

168-7868 ROTATING GP-PUMP -HYDRAULIC FAN
S/N BXY1-UP
PART OF 228-3638 PUMP GP-PISTON

Parts for your 988H WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	138-8175	[1]	BEARING-SPHERICAL
2.	168-7940	[3]	PIN
3.	096-0015	[1]	RING-RETAINING
4.	233-0455	[1]	BARREL
5.	168-7941	[1]	SPRING
6.	168-7942 M	[1]	WASHER (28.2X36.5X2-MM THK)
7.	168-7943	[9]	PISTON AS-PUMP
8.	168-7944	[1]	PLATE-RETRACTION
9.	138-8173	[1]	PLATE-VALVE
	M		METRIC PART

204-6287: TANK GP-HYDRAULIC

TANK GP-HYDRAULIC

204-6287 TANK GP-HYDRAULIC
S/N BXY1-UP
PART OF 189-7471, 308-2730 GUARD GP-FUEL & HYDRAULIC TANK

Parts for your 988H 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

132-6133: VALVE & MTG GP-MAIN CONTROL

VALVE & MTG GP-MAIN CONTROL

132-6133 VALVE & MTG GP-MAIN CONTROL -2-FUNCTION
S/N BXY1-UP
PART OF 2Q-8640 LIFT AR

Parts for your 988H 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.	212-8712 Y	[1]	VALVE GP-MAIN CONTROL (2-FUNCTION)
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.	198-8196 I	[1]	HOSE AS
11.	154-5512	[1]	BRACKET AS
12.	154-6819	[1]	BRACKET AS
13.	154-6820	[1]	PLATE
14.	156-9156 I	[1]	HOSE AS
15.	154-7179	[1]	BRACKET
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	[3]	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.	6V-8200 M	[4]	BOLT-SOCKET HEAD (M12X1.75X35-MM)
31.	6V-8397	[1]	SEAL-O-RING
32.	6V-8398	[1]	SEAL-O-RING
33.	6V-9833	[1]	CAP AS
34.	7M-8485	[1]	SEAL-O-RING
35.	7X-0583	[8]	WASHER-HARD (17X45X6-MM THK)
36.	7X-2554 M	[8]	BOLT (M16X2X70-MM)
37.	8T-0285 M	[4]	SCREW-MACHINE (M4X0.7X12-MM)
38.	198-6439	[2]	PLATE
39.	8T-4132 M	[1]	NUT (M16X2-THD)
40.	8T-4184 M	[2]	BOLT (M12X1.75X45-MM)
41.	8T-4139 M	[8]	BOLT (M12X1.75X30-MM)
42.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
43.	8T-4175 M	[1]	BOLT (M16X2X90-MM)
44.	8T-4192 M	[4]	BOLT (M12X1.75X25-MM)
45.	8T-4193 M	[3]	BOLT (M16X2X50-MM)
46.	8T-4223	[14]	WASHER-HARD (13.5X25.5X3-MM THK)
47.	8T-4648 M	[2]	BOLT (M12X1.75X70-MM)
48.	9X-8257	[8]	WASHER (17.5X30X3.5-MM THK)
49.	148-8336	[1]	CONNECTOR AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8636	[1]	CONNECTOR
50.	148-8367	[1]	ELBOW AS
	6V-8397	[1]	SEAL-O-RING
	6V-9850	[1]	ELBOW
51.	108-1785 M	[4]	BOLT-SOCKET HEAD (M16X2X130-MM)
52.	5P-8077	[4]	FLANGE-HALF
53.	321-0619	[1]	MANIFOLD
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

137-1769: VALVE & MTG GP-MAIN CONTROL

VALVE & MTG GP-MAIN CONTROL

137-1769 VALVE & MTG GP-MAIN CONTROL -3-FUNCTION, LOGGING
S/N BXY1-UP
PART OF 2Q-8628 LOGGING AR, 2Q-8627 LOGGING AR-MILLYARD

Parts for your 988H 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

201-0218: VALVE & MTG GP-MAIN CONTROL

VALVE & MTG GP-MAIN CONTROL

201-0218 VALVE & MTG GP-MAIN CONTROL -3-FUNCTION
S/N BXY1-UP
PART OF 2Q-8641 LIFT AR

Parts for your 988H 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.	104-7108	[1]	VALVE GP-CHECK (PILOT)
4.	112-1817	[1]	VALVE-BALL (LOWERING CONTROL)
5.	151-7455 Y	[1]	VALVE GP-SOLENOID (24-VOLT)(HYDRAULIC LOCKOUT)
6.	153-6293	[1]	ELBOW
7.	154-5512	[1]	BRACKET AS
8.	154-6819	[1]	BRACKET AS
9.	154-6820	[1]	PLATE
10.	154-7179	[1]	BRACKET
11.	156-9156 I	[1]	HOSE AS
12.	198-6434	[1]	PLATE
13.	198-6439	[1]	PLATE
14.	198-7667 I	[1]	HOSE AS
15.	198-7668 I	[1]	HOSE AS
16.	198-7669 I	[1]	HOSE AS
17.	198-7670 I	[1]	HOSE AS
18.	198-8196 I	[1]	HOSE AS
19.	212-8746 Y	[1]	VALVE GP-MAIN CONTROL (3-FUNCTION)
20.	096-6166	[4]	WASHER-HARD (4.5X9X1-MM THK)
21.	148-8336	[1]	CONNECTOR AS
	6V-8636	[1]	CONNECTOR
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
22.	148-8353	[1]	ELBOW AS
	6V-9001	[1]	ELBOW
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
23.	148-8364	[2]	ELBOW AS
			(EACH INCLUDES)
	3K-0360	[1]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
	6V-8625	[1]	ELBOW
24.	148-8367	[1]	ELBOW AS
	6V-8397	[1]	SEAL-O-RING
	6V-9850	[1]	ELBOW
25.	148-8378	[3]	ELBOW AS
			(EACH INCLUDES)
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8724	[1]	ELBOW
26.	148-8435	[1]	TEE AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[2]	SEAL-O-RING
	6V-8781	[1]	TEE
27.	1P-3705	[2]	SEAL-RECTANGULAR
28.	3E-9411	[5]	WASHER-HARD (17.5X38X6-MM THK)
29.	3J-1907	[1]	SEAL-O-RING
30.	4J-0527	[1]	SEAL-O-RING
31.	5K-9090	[1]	SEAL-O-RING
32.	5P-1076	[2]	WASHER-HARD (13.5X30X4-MM THK)
33.	5P-8077	[4]	FLANGE-HALF
34.	6V-8200 M	[4]	BOLT-SOCKET HEAD (M12X1.75X35-MM)
35.	6V-8397	[1]	SEAL-O-RING
36.	6V-8398	[1]	SEAL-O-RING
37.	6V-9833	[1]	CAP AS
38.	7M-8485	[1]	SEAL-O-RING
39.	7X-0583	[8]	WASHER-HARD (17X45X6-MM THK)
40.	7X-2554 M	[8]	BOLT (M16X2X70-MM)
41.	8T-0285 M	[4]	SCREW-MACHINE (M4X0.7X12-MM)
42.	8T-4132 M	[1]	NUT (M16X2-THD)
43.	8T-4139 M	[12]	BOLT (M12X1.75X30-MM)
44.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
45.	8T-4175 M	[1]	BOLT (M16X2X90-MM)
46.	8T-4184 M	[2]	BOLT (M12X1.75X45-MM)
47.	8T-4192 M	[4]	BOLT (M12X1.75X25-MM)
48.	8T-4193 M	[3]	BOLT (M16X2X50-MM)
49.	8T-4223	[18]	WASHER-HARD (13.5X25.5X3-MM THK)
50.	8T-4648 M	[2]	BOLT (M12X1.75X70-MM)
51.	9X-8257	[8]	WASHER (17.5X30X3.5-MM THK)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

298-2500: VALVE & MTG GP-MAIN CONTROL

VALVE & MTG GP-MAIN CONTROL

298-2500 VALVE & MTG GP-MAIN CONTROL
S/N BXY1-UP
PART OF 2Q-8760 LIFT AR

Parts for your 988H 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.	104-7108	[1]	VALVE GP-CHECK (PILOT)
4.	112-1817	[1]	VALVE-BALL (LOWERING CONTROL)
5.	151-7455 Y	[1]	VALVE GP-SOLENOID (24-VOLT)
6.	153-6293	[1]	ELBOW
7.	154-5512	[1]	BRACKET AS
8.	154-6819	[1]	BRACKET AS
9.	154-6820	[1]	PLATE
10.	154-7179	[1]	BRACKET
11.	156-9156 I	[1]	HOSE AS
12.	198-6434	[1]	PLATE
13.	198-6439	[1]	PLATE
14.	198-7667 I	[1]	HOSE AS
15.	198-7668 I	[1]	HOSE AS
16.	198-7669 I	[1]	HOSE AS
17.	198-7670 I	[1]	HOSE AS
18.	278-6470 I	[1]	HOSE AS
19.	292-8121 Y	[1]	VALVE GP-MAIN CONTROL (LIFT, TILT)
20.	321-0619	[1]	MANIFOLD
21.	096-6166	[4]	WASHER-HARD (4.5X9X1-MM THK)
22.	108-1785 M	[4]	BOLT-SOCKET HEAD (M16X2X130-MM)
23.	148-8336	[1]	CONNECTOR AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8636	[1]	CONNECTOR
24.	148-8353	[1]	ELBOW AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-9001	[1]	ELBOW
25.	148-8364	[2]	ELBOW AS
			(EACH INCLUDES)
	3K-0360	[1]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
	6V-8625	[1]	ELBOW
26.	148-8367	[1]	ELBOW AS
	6V-8397	[1]	SEAL-O-RING
	6V-9850	[1]	ELBOW
27.	148-8378	[2]	ELBOW AS
			(EACH INCLUDES)
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8724	[1]	ELBOW
28.	148-8435	[1]	TEE AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[2]	SEAL-O-RING
	6V-8781	[1]	TEE
29.	1P-3705	[3]	SEAL-RECTANGULAR
30.	3E-9411	[5]	WASHER-HARD (17.5X38X6-MM THK)
31.	3J-1907	[1]	SEAL-O-RING
32.	4J-0527	[1]	SEAL-O-RING
33.	5K-9090	[1]	SEAL-O-RING
34.	5P-1076	[2]	WASHER-HARD (13.5X30X4-MM THK)
35.	5P-8077	[4]	FLANGE-HALF
36.	6V-8200 M	[4]	BOLT-SOCKET HEAD (M12X1.75X35-MM)
37.	6V-8397	[1]	SEAL-O-RING
38.	6V-8398	[1]	SEAL-O-RING
39.	6V-9833	[1]	CAP AS
40.	7M-8485	[1]	SEAL-O-RING
41.	7X-0583	[8]	WASHER-HARD (17X45X6-MM THK)
42.	7X-2554 M	[8]	BOLT (M16X2X70-MM)
43.	8T-0285 M	[4]	SCREW-MACHINE (M4X0.7X12-MM)
44.	8T-4132 M	[1]	NUT (M16X2-THD)
45.	8T-4139 M	[8]	BOLT (M12X1.75X30-MM)
46.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
47.	8T-4175 M	[1]	BOLT (M16X2X90-MM)
48.	8T-4184 M	[2]	BOLT (M12X1.75X45-MM)
49.	8T-4192 M	[4]	BOLT (M12X1.75X25-MM)
50.	8T-4193 M	[3]	BOLT (M16X2X50-MM)
51.	8T-4223	[14]	WASHER-HARD (13.5X25.5X3-MM THK)
52.	8T-4648 M	[2]	BOLT (M12X1.75X70-MM)
53.	9X-8257	[8]	WASHER (17.5X30X3.5-MM THK)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

298-2501: VALVE & MTG GP-MAIN CONTROL

VALVE & MTG GP-MAIN CONTROL

298-2501 VALVE & MTG GP-MAIN CONTROL
S/N BXY1-UP
PART OF 2Q-8761 LIFT AR

Parts for your 988H 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.	104-7108	[1]	VALVE GP-CHECK (PILOT)
4.	112-1817	[1]	VALVE-BALL (LOWERING CONTROL)
5.	151-7455 Y	[1]	VALVE GP-SOLENOID (24-VOLT)
6.	153-6293	[1]	ELBOW
7.	154-5512	[1]	BRACKET AS
8.	154-6819	[1]	BRACKET AS
9.	154-6820	[1]	PLATE
10.	154-7179	[1]	BRACKET
11.	156-9156 I	[1]	HOSE AS
12.	198-6434	[1]	PLATE
13.	198-6439	[1]	PLATE
14.	198-7667 I	[1]	HOSE AS
15.	198-7668 I	[1]	HOSE AS
16.	198-7669 I	[1]	HOSE AS
17.	198-7670 I	[1]	HOSE AS
18.	278-6470 I	[1]	HOSE AS
19.	292-8123 Y	[1]	VALVE GP-MAIN CONTROL
20.	096-6166	[4]	WASHER-HARD (4.5X9X1-MM THK)
21.	148-8336	[1]	CONNECTOR AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8636	[1]	CONNECTOR
22.	148-8353	[1]	ELBOW AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-9001	[1]	ELBOW
23.	148-8364	[2]	ELBOW AS
			(EACH INCLUDES)
	3K-0360	[1]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
	6V-8625	[1]	ELBOW
24.	148-8367	[1]	ELBOW AS
	6V-8397	[1]	SEAL-O-RING
	6V-9850	[1]	ELBOW
25.	148-8378	[2]	ELBOW AS
			(EACH INCLUDES)
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[1]	SEAL-O-RING
	6V-8724	[1]	ELBOW
26.	148-8435	[1]	TEE AS
	3J-1907	[1]	SEAL-O-RING
	6V-8397	[2]	SEAL-O-RING
	6V-8781	[1]	TEE
27.	1P-3705	[2]	SEAL-RECTANGULAR
28.	3E-9411	[5]	WASHER-HARD (17.5X38X6-MM THK)
29.	3J-1907	[1]	SEAL-O-RING
30.	4J-0527	[1]	SEAL-O-RING
31.	5K-9090	[1]	SEAL-O-RING
32.	5P-1076	[2]	WASHER-HARD (13.5X30X4-MM THK)
33.	5P-8077	[4]	FLANGE-HALF
34.	6V-8200 M	[4]	BOLT-SOCKET HEAD (M12X1.75X35-MM)
35.	6V-8397	[1]	SEAL-O-RING
36.	6V-8398	[1]	SEAL-O-RING
37.	6V-9833	[1]	CAP AS
38.	7M-8485	[1]	SEAL-O-RING
39.	7X-0583	[8]	WASHER-HARD (17X45X6-MM THK)
40.	7X-2554 M	[8]	BOLT (M16X2X70-MM)
41.	8T-0285 M	[4]	SCREW-MACHINE (M4X0.7X12-MM)
42.	8T-4132 M	[1]	NUT (M16X2-THD)
43.	8T-4139 M	[12]	BOLT (M12X1.75X30-MM)
44.	8T-4140 M	[8]	BOLT (M16X2X60-MM)
45.	8T-4175 M	[1]	BOLT (M16X2X90-MM)
46.	8T-4184 M	[2]	BOLT (M12X1.75X45-MM)
47.	8T-4192 M	[4]	BOLT (M12X1.75X25-MM)
48.	8T-4193 M	[3]	BOLT (M16X2X50-MM)
49.	8T-4223	[18]	WASHER-HARD (13.5X25.5X3-MM THK)
50.	8T-4648 M	[2]	BOLT (M12X1.75X70-MM)
51.	9X-8257	[8]	WASHER (17.5X30X3.5-MM THK)
52.	148-8433	[1]	TEE AS
	6V-8397	[2]	SEAL-O-RING
	6V-9836	[1]	TEE-SWIVEL
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

Information:

HYDRAULIC SYSTEM

PUMP GP

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}

Procedure For Replacing Coil, and Connector On 988H Wheel Loaders{1408, 1554, 5070, 7553}
Procedure For Replacing Coil, and Connector On 988H Wheel Loaders{1408, 1554, 5070, 7553}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP SOLENOID COIL AND RELATED COMPONENTS ON CERTAIN 988H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP SOLENOID COIL AND RELATED COMPONENTS ON CERTAIN 988H WHEEL LOADERS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

988G and 988H Wheel Loader Implement Pump Failures{5070}
988G and 988H Wheel Loader Implement Pump Failures{5070}

Supplemental Steering Pump Housing Cracking{4304, 4306, 5073}
Supplemental Steering Pump Housing Cracking{4304, 4306, 5073}

Specifications

Gear Pump (Pilot, Brake)
988H Wheel Loader Electrohydraulic System

Pressure Sensor (Implement Pump Oil)
988H Wheel Loader Electrohydraulic System

Piston Pump (Hydraulic Fan)
988H Wheel Loader Electrohydraulic System

Piston Pump (Hydraulic Fan with High Ambient Temperature Cooling)
988H Wheel Loader Electrohydraulic System

Piston Pump (Implement)
988H Wheel Loader Electrohydraulic System

Gear Pump (Pilot, Brake, Axle Oil Cooler Fan) - Machines with Axle Oil Cooler Pump
988H Wheel Loader Electrohydraulic System

Pressure Sensor (Implement Pump Oil)
988H Wheel Loader Electrohydraulic System

Piston Pump (Implement)
988H Wheel Loader Electrohydraulic System

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Service Letter-China

PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP SOLENOID COIL AND RELATED COMPONENTS ON CERTAIN 988H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP SOLENOID COIL AND RELATED COMPONENTS ON CERTAIN 988H WHEEL LOADERS

Service Letter-Asia

Systems Operation

Piston Pump (Implement)
988H Wheel Loader Electrohydraulic System

Hydraulic Fan System
988H Wheel Loader Electrohydraulic System

Gear Pump (Pilot, Brake)
988H Wheel Loader Electrohydraulic System

Gear Pump (Pilot, Brake, Axle Oil Cooler Fan) - Machines with Axle Oil Cooler Pump
988H Wheel Loader Electrohydraulic System

Piston Pump (Implement)
988H Wheel Loader Electrohydraulic System

Reuse And Salvage Guidelines

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}
Hydraulic Piston Pumps Used in Certain Models of Caterpillar Equipment{3203, 5070, 5084}

Vane Type Hydraulic Pump Identification Guidelines {5055}
Vane Type Hydraulic Pump Identification Guidelines {5055}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}
Thermal Spray Procedures for Tyrone Drive Shaft (Pump Gear){0679, 3066, 5073}

Information Release Memo

CAT REMAN EXPANDS HYD GEAR & PISTON PUMP & MOTOR OPTIONS
CAT REMAN EXPANDS HYD GEAR & PISTON PUMP & MOTOR OPTIONS

Service Letter-APD

PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP SOLENOID COIL AND RELATED COMPONENTS ON CERTAIN 988H WHEEL LOADERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE IMPLEMENT PUMP SOLENOID COIL AND RELATED COMPONENTS ON CERTAIN 988H WHEEL LOADERS

Testing and Adjusting

Torque Converter Stall and Implement Pump Double Stall - Test
988H Wheel Loader Electrohydraulic System

Pump Performance (Implement) - Test
988H Wheel Loader Electrohydraulic System

Pump Performance (Pilot, Brake) - Test
988H Wheel Loader Braking System

Pump Performance (Implement) - Test
988H Wheel Loader Electrohydraulic System

Torque Converter Stall and Implement Pump Double Stall - Test
988H Wheel Loader Electrohydraulic System

Hydraulic Fan Speed - Test and Adjust
988H Wheel Loader Electrohydraulic System

Piston Pump (Implement) (Electronic Technician) - Calibrate
988H Wheel Loader Electrohydraulic System

Case Drain (Hydraulic Fan Pump) - Test
988H Wheel Loader Electrohydraulic System

Piston Pump Margin Pressure (Hydraulic Fan) - Test and Adjust
988H Wheel Loader Electrohydraulic System

Piston Pump Cutoff Pressure (Hydraulic Fan) - Test and Adjust
988H Wheel Loader Electrohydraulic System

Bench Test Procedures

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Bench Test Procedure for Hydraulic Piston Pumps {5070}
Bench Test Procedure for Hydraulic Piston Pumps {5070}

Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}
Bench Test Procedure for Hydraulic Piston Pumps{0599, 5070, 5070}

Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}

Troubleshooting

MID 082 - CID 0499 - FMI 03
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 05
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 06
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 03
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 05
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 06
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 11
988H Wheel Loader Electrohydraulic System

MID 082 - CID 0499 - FMI 13
988H Wheel Loader Electrohydraulic System

Disassembly and Assembly

Piston Pump (Implement) - Disassemble
988H Wheel Loader Machine Systems

Piston Pump (Implement) - Assemble
988H Wheel Loader Machine Systems

Gear Pump (Pilot, Brake) - Disassemble
988H Wheel Loader Machine Systems

Gear Pump (Pilot, Brake) - Assemble
988H Wheel Loader Machine Systems

Piston Pump (Hydraulic Fan) - Remove
988H Wheel Loader Machine Systems

Piston Pump (Hydraulic Fan) - Install
988H Wheel Loader Machine Systems

Gear Pump (Pilot, Brake) - Remove
988H Wheel Loader Machine Systems

Gear Pump (Pilot, Brake) - Install
988H Wheel Loader Machine Systems

Piston Pump (Hydraulic Fan) - Disassemble
988H Wheel Loader Machine Systems

Piston Pump (Hydraulic Fan) - Assemble
988H Wheel Loader Machine Systems

Piston Pump (Implement) - Remove
988H Wheel Loader Machine Systems

Piston Pump (Implement) - Install
988H Wheel Loader Machine Systems

Service Magazine

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

A New Integral Seal Is Now Used on the Hydraulic Fan Pump {1387}
2007/08/20

New Pump Group is Now Used on 988H Wheel Loaders {5070}
2010/09/13

Updated Demand Fan Recalibration Information Available for Landfill Compactor, Wheel Dozer, and Wheel Loader Machines {1386, 1387}
2011/04/19

A New Service Tool for Installing the Service Sleeve Bearings in Hydraulic Gear Pumps Is Now Available for Certain CAT Machines {0738, 5073, 5073, 7551}
2011/12/15

Implement Pump with an Improved Actuator is Now Used for Certain Large Wheel Loaders {5070}
2014/01/27

New Belleville Springs and Spacers are Now Available for certain 900 Series Large Wheel Loaders Implement Pumps {5070}
New Belleville Springs and Spacers are Now Available for certain 900 Series Large Wheel Loaders Implement Pumps {5070}

Caterpillar Parts SIS Catalog 988H :

Truck sale:

Caterpillar 988H
- Wheel Loaders
WESTERN STATES EQUIPMENT

Caterpillar 988H, Wheel Loaders, Construction
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI

114,704

Caterpillar 988H, Wheel Loaders, Construction
- Wheel Loaders
CAVPOWER

1,008,026

Caterpillar 988H, Wheel Loaders, Construction
- Wheel Loaders
FINNING CANADA