4V8596 SEAT SUSPENSION GROUP--Part 2 of 2 Serial No. 50W1 to 50W3549 inclusive Part of 3V8252 Seat Group shown on Page 266A-1 4V7849 Adjuster parts are shown on Page 266A-2 988B

OPERATOR STATION

SEAT GP

0. 4V-8596 SUSPENSION
1. 5V-4861 SUSPENSION
2. 5V-4861 SUSPENSION
3. 5V-4861 SUSPENSION
4. 5V-4861 SUSPENSION

MIRROR GP

5. 1V-4892 REAR VIEW

SEAT GP

6. 1V-4862 CUSHION GP

MIRROR GP

7. 4V-4129 MIRROR GP-

PANEL GP

8. 1V-4865 PANEL GP-I
9. 1V-4865 PANEL GP-I
0. INFORMATION

WHEEL LOADER 988B WHEEL LOADER 50W
988B WHEEL LOADER 50W00001-06040 (MACHINE) POWERED BY 3408 ENGINE SEBP1079 988B 50W (1976)

OPERATOR STATION

SEAT GP

4V-7849 ADJUSTER GP-SEAT

4V-8596 SUSPENSION GP-SEAT

5V-4861 SUSPENSION GP-SEAT

#SEBP10790920

4V-8596: SUSPENSION GP-SEAT

SUSPENSION GP-SEAT

4V8596 SEAT SUSPENSION GROUP--Part 2 of 2
Serial No. 50W1 to 50W3549 inclusive
Part of 3V8252 Seat Group shown on Page 266A-1
4V7849 Adjuster parts are shown on Page 266A-2

c220407 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4V-7889	[ 1]	LEVER
	3L-1473	[ 1]	PIN
2.	4V-8266	[ 4]	BOLT
	5V-1494	[ 4]	LOCKWASHER
3.	4V-7885	[ 1]	SLEEVE
4.	4V-8606	[ 1]	HOUSING ASSEM.
5.	4V-8569	[ 1]	ARM ASSEM.
6.	3K-1553	[ 2]	BOLT
	027-3924	[ 2]	NUT
7.	4V-8272	[ 2]	SHAFT
	4V-8273	[ 2]	WASHER
8.	4V-8573	[ 1]	ARM ASSEM.
9.	4V-7895	[ 2]	SPRING
10.	4V-7887	[ 2]	LINK ASSEM.
11.	4V-8265	[ 2]	LINK
12.	5V-1497	[ 4]	RETAINER
13.	4V-7866	[ 1]	SHOCK ABSORBER
14.	4V-8609	[ 1]	BOOT
15.	4V-8556	[ 1]	BOLT
	5V-1847	[ 1]	NUT
16.	4V-7884	[ 1]	BEARING
17.	4V-8555	[ 2]	BUMPER
18.	6D-4054	[ 23]	FASTENER
19.	4V-8270	[ 1]	SLEEVE
20.	4V-8591	[ 1]	BLOCK
20.	4V-7849 Y	[ 1]	SEAT ADJUSTER GROUP
21.	4V-8580	[ 1]	BLOCK
22.	4V-7891	[ 1]	LATCH ASSEM.
23.	4V-8610	[ 1]	SPRING
24.	4V-7886	[ 1]	CABLE
25.	4J-8265	[ 2]	NUT
	4B-4278	[ 2]	WASHER
	4V-7863	[ 2]	BEARING
26.	4V-7890	[ 1]	SPRING
27.	4V-8264	[ 1]	LINK
			Separate Illustration

#SEBP10790921

5V-4861: SUSPENSION GP-SEAT

SUSPENSION GP-SEAT

5V4861 SEAT SUSPENSION GROUP--Part 1 of 2--Type 1
Serial No. 50W3550-Up
Part of 3V8252 Seat Group shown on Page 266A-1a

c223751 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5V-1839	[ 2]	NUT
2.	4V-7884	[ 1]	BEARING
3.	4V-8577	[ 4]	BEARING
4.	4V-8576	[ 2]	SHAFT
5.	4V-8566	[ 1]	GEAR ASSEM.
	4V-8561	[ 1]	WASHER
6.	4V-8562	[ 1]	PLATE ASSEM.
7.	3K-8584	[ 2]	PIN
8.	4V-8583	[ 1]	BLOCK
9.	4V-8257	[ 1]	BLOCK
10.	4V-8560	[ 1]	SPACER
11.	4V-7872	[ 1]	KNOB ASSEM.
			(Includes)
	4V-7873	[ 1]	KNOB
	5V-1483	[ 1]	PIN
	4V-7877	[ 1]	SPRING
12.	4V-7874	[ 1]	HANDLE ASSEM.
			(Includes)
	5V-1474	[ 1]	SCREW
	4V-7876	[ 1]	SLEEVE
	4V-7875	[ 1]	HANDLE
13.	5H-3193	[ 1]	PIN
14.	4V-8565	[ 1]	INDICATOR
15.	4V-8261	[ 1]	PAD
16.	4V-8557	[ 1]	GEAR ASSEM.
17.	4V-8554	[ 1]	BRACKET

#SEBP10790922

5V-4861: SUSPENSION GP-SEAT

SUSPENSION GP-SEAT

5V4861 SEAT SUSPENSION GROUP--Part 2 of 2--Type 1
Serial No. 50W3550-Up. Part of 3V8252 Seat Group shown on Page 266A-1a
4V7849 Adjuster parts are shown on Page 266A-2

c223752 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4V-7889	[ 1]	LEVER
	3L-1473	[ 1]	PIN
2.	5V-4855	[ 4]	BOLT
3.	4V-7885	[ 1]	SLEEVE
4.	4V-8606	[ 1]	HOUSING ASSEM.
5.	5V-4846	[ 1]	ARM ASSEM.
			(Includes)
6.	5V-4845	[ 2]	BEARING
7.	3K-1553	[ 2]	BOLT
	027-3924	[ 2]	NUT
8.	4V-8264	[ 1]	LINK
9.	4V-7895	[ 2]	SPRING
10.	5V-5233	[ 2]	LINK ASSEM.
11.	4V-8265	[ 1]	LINK
12.	5V-1497	[ 4]	RETAINER
13.	4V-7866	[ 1]	SHOCK ABSORBER
14.	4V-8609	[ 1]	BOOT
15.	4V-8556	[ 1]	BOLT
	6D-0047	[ 1]	NUT
16.	4V-7884	[ 1]	BEARING
17.	4V-7885	[ 2]	BUMPER
18.	6D-4054	[ 23]	FASTENER
19.	4V-8270	[ 1]	SLEEVE
20.	4V-8591	[ 1]	BLOCK
20.	4V-7849 Y	[ 1]	SEAT ADJUSTER GROUP
21.	4V-8580	[ 1]	BLOCK
22.	4V-7891	[ 1]	LATCH ASSEM.
23.	4V-8610	[ 1]	SPRING
24.	4V-7886	[ 1]	CABLE
25.	4V-7890	[ 1]	SPRING
			Separate Illustration

#SEBP10790923

5V-4861: SUSPENSION GP-SEAT

SUSPENSION GP-SEAT

5V4861 SEAT SUSPENSION GROUP--Part 1 of 2--Type 2
Serial No. 50W3550-Up
Part of 3V8252 Seat Group shown on Page 266A-1a

c232181 SEBP1079

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5V-1839	[2]	NUT-LOCK
2.	4V-7884	[1]	BEARING
3.	4V-8577	[4]	BEARING
4.	4V-8576	[2]	SHAFT
5.	4V-8566	[1]	GEAR AS (100 TEETH)
	4V-8561	[1]	WASHER
6.	4V-8562	[1]	PLATE AS
7.	3K-8584	[2]	PIN-GROOVE
8.	4V-8583	[1]	BLOCK
9.	4V-8257	[1]	BLOCK
10.	7V-5191 C	[1]	SPACER
11.	4V-7872	[1]	KNOB AS-WT ADJUSTABLE
	4V-7873	[1]	KNOB
	5V-1483	[1]	PIN-GROOVE
	4V-7877	[1]	SPRING
12.	4V-7874	[1]	HANDLE AS
	5V-1474	[1]	SCREW-FORMING
	4V-7876	[1]	SLEEVE
	4V-7875	[1]	HANDLE
13.	5H-3193	[1]	PIN-SPRING
14.	4V-8565	[1]	INDICATOR
15.	4V-8554	[1]	BRACKET
16.	7V-5190 C	[1]	GEAR AS (28 TEETH)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP10790924

5V-4861: SUSPENSION GP-SEAT

SUSPENSION GP-SEAT

5V4861 SEAT SUSPENSION GROUP--Part 2 of 2--Type 2
Serial No. 50W3550-Up. Part of 3V8252 Seat Group shown on Page 266A-1a
4V7849 Adjuster parts are shown on Page 266A-2

c234759 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7V-5507 C	[1]	LEVER
	3L-1473	[1]	PIN
2.	5V-4855	[4]	BOLT
3.	4V-7890	[1]	SPRING
4.	4V-8606	[1]	HOUSING ASSEM.
5.	5V-4846	[1]	ARM ASSEM.
			(Includes)
6.	5V-4845	[2]	BEARING
7.	1B-2693 C	[2]	BOLT
	027-3924	[2]	NUT
8.	4V-8264	[1]	LINK
9.	4V-7895	[2]	SPRING
10.	5V-5233	[2]	LINK ASSEM.
11.	4V-8265	[1]	LINK
12.	5V-1497	[4]	RETAINER
13.	4V-7866	[1]	SHOCK ABSORBER
14.	4V-8609	[1]	BOOT
15.	4V-8556	[1]	BOLT
	6D-0047	[1]	NUT
16.	4V-7884	[1]	BEARING
17.	4V-7885	[2]	BUMPER
18.	6D-4054	[23]	FASTENER
19.	4V-8610	[1]	SPRING
20.	4V-8591	[1]	BLOCK
20.	4V-7849 Y	[1]	SEAT ADJUSTER GROUP
			(Separate Illustration)
21.	4V-8580	[1]	BLOCK
22.	4V-7891	[1]	LATCH ASSEM.
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10790925

1V-4892: REAR VIEW MIRROR GROUP

REAR VIEW MIRROR GROUP

1V4892 REAR VIEW MIRROR GROUP
Serial No. 50W1 to 50W1705 inclusive

c210164 SEBP1079

1V4892 REAR VIEW MIRROR GROUP Parts scheme

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Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0L-1351	[8]	BOLT
	5P-1075	[8]	WASHER
2.	6K-7959	[2]	MIRROR
3.	0S-1617	[4]	BOLT
4.	1D-4716	[8]	NUT
5.	5P-4116	[8]	WASHER
6.	6K-7956	[4]	BRACE ASSEM.
7.	8D-8011	[4]	PLATE

#SEBP10790926

1V-4862: CUSHION GP-ARM

CUSHION GP-ARM

1V4862 CUSHION GROUP--Arm

c209902 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2V-2680	[2]	ROD
2.	2V-2681	[1]	CUSHION AS
3.	0T-0642	[2]	BOLT

#SEBP10790927

4V-4129: MIRROR GP-REAR VIEW

MIRROR GP-REAR VIEW

4V4129 REAR VIEW MIRROR GROUP
Serial No. 50W1706-Up

c216478 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4V-4133	[1]	TUBE (R.H.)
	4V-4136	[1]	TUBE (L.H.)
2.	0S-1594	[4]	BOLT
3.	1B-2578	[8]	NUT
4.	5P-1075	[16]	WASHER
5.	4V-4125	[4]	CLAMP
6.	4V-4131	[1]	BRACKET ASSEM. (upper R.H.)
	4V-4134	[1]	BRACKET ASSEM. (upper L.H.)
7.	0S-1591	[8]	BOLT
8.	4V-4132	[1]	BRACKET ASSEM. (lower R.H.)
	4V-4135	[1]	BRACKET ASSEM. (lower L.H.)
9.	1C-2251	[4]	BOLT
10.	5P-6879	[2]	MIRROR

#SEBP10790928

1V-4865: PANEL GP-INSTRUMENT

PANEL GP-INSTRUMENT

1V4865 INSTRUMENT PANEL GROUP--L.H.
Serial No. 50W1 to 50W3776 inclusive

c238068 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4B-1222	[2]	SCREW
2.	4B-2043	[5]	NUT
	9B-7233	[5]	LOCKWASHER
3.	4S-4465	[4]	SCREW
	1H-3244	[4]	LOCKWASHER
4.	2V-7086	[2]	LENS (green)
5.	9N-1779 C	[14]	BULB
	2G-0151	[14]	SOCKET
6.	2V-7087	[9]	LENS (yellow)
7.	6H-5430	[2]	SCREW
	9F-8125	[2]	LOCKWASHER
	4B-4274	[2]	WASHER
8.	5M-6668	[1]	SCREW
9.	1V-8111	[1]	HARNESS ASSEM.
			(Includes)
	5P-5677		WIRE (18 gauge)
	5P-5623		WIRE (16 gauge)
	5P-5629		WIRE (14 gauge)
	5P-5621		WIRE (12 gauge)
	5P-5622		WIRE (10 gauge)
10.	5P-1475	[4]	TERMINAL
11.	2V-5735	[1]	CONNECTOR
	2V-5736	[15]	TERMINAL
12.	5P-4571	[1]	TERMINAL
	5P-5694	[1]	TERMINAL
13.	6K-9704	[7]	TERMINAL (10-12 gauge)
14.	4L-3916 C	[15]	TERMINAL (14-16 gauge)
15.	1V-8499	[1]	RESISTOR
16.	2V-7088	[3]	LENS (red)
17.	5P-5902 H		SEAL .91 m(36 in.)
18.	1V-6405	[1]	FLASHER
19.	1V-7383	[1]	BLOCK
20.	2S-6218	[2]	SCREW
	3L-8187	[2]	LOCKWASHER
21.	1V-7396	[1]	CIRCUIT ASSEM.
22.	9M-9085	[1]	CIRCUIT BREAKER (15 amp)
23.	2V-7571	[1]	ANGLE
24.	2V-6767	[1]	BEZEL
25.	6N-5906	[1]	SERVICE METER
			(Includes)
	4S-1988 C	[1]	TERMINAL (large)
	5P-4571	[1]	TERMINAL (small)
26.	3D-9799	[2]	SCREW
27.	1V-7362	[1]	SWITCH (wiper-washer)
			(Includes)
	7N-4033 C	[1]	KNOB
28.	4K-5122	[5]	FUSE HOLDER
			(Each Includes)
	7N-2867 C	[1]	CAP
	8M-8948 C	[5]	FUSE (15 amp)
29.	1V-6491	[5]	BOOT
	1V-6376	[5]	SWITCH (toggle)
30.	9S-4968 C	[1]	SLEEVE
	C		INDICATES CHANGE
	H		ORDER BY THE METER

#SEBP10790929

1V-4865: PANEL GP-INSTRUMENT

PANEL GP-INSTRUMENT

1V4865 INSTRUMENT PANEL GROUP--L.H.
Serial No. 50W3777-Up

c224849 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4B-1222	[2]	SCREW
2.	4B-2043	[5]	NUT
	9B-7233	[5]	LOCKWASHER
3.	4S-4465	[4]	SCREW
	1H-3244	[4]	LOCKWASHER
4.	2V-7086	[2]	LENS (green)
5.	7N-9967 C	[14]	LAMP
	2G-0151	[14]	SOCKET
6.	2V-7087	[9]	LENS (yellow)
7.	6H-5430	[2]	SCREW
	9F-8125	[2]	LOCKWASHER
	4B-4274	[2]	WASHER
8.	5M-6668	[1]	SCREW
9.	1V-8111	[1]	HARNESS ASSEM.
			(Includes)
	5P-5677		WIRE (18 gauge)
	5P-5623		WIRE (16 gauge)
	5P-5629		WIRE (14 gauge)
	5P-5621		WIRE (12 gauge)
	5P-5622		WIRE (10 gauge)
10.	5P-1475	[4]	TERMINAL
11.	2V-5735	[1]	CONNECTOR
	2V-5736	[15]	TERMINAL
12.	5P-4571	[1]	TERMINAL
	5P-5694	[1]	TERMINAL
13.	6K-9704	[7]	TERMINAL (10-12 gauge)
14.	4L-3916	[15]	TERMINAL (14-16 gauge)
15.	1V-8499	[1]	RESISTOR
16.	5P-3160 C	[4]	CONNECTOR
17.	5P-5902 H		SEAL .91 m(36 in.)
18.	1V-6405	[1]	FLASHER
19.	1V-7383	[1]	BLOCK
20.	2S-6218	[2]	SCREW
	3L-8187	[2]	LOCKWASHER
21.	1V-7396	[1]	CIRCUIT ASSEM.
22.	9M-9085	[1]	CIRCUIT BREAKER (15 amp)
23.	2V-7571	[1]	ANGLE
24.	2V-6767	[1]	BEZEL
25.	6N-5906	[1]	SERVICE METER
			(Includes)
	4S-1988	[1]	TERMINAL (large)
	5P-4571	[1]	TERMINAL (small)
26.	3D-9799	[2]	SCREW
27.	1V-7362	[1]	SWITCH (wiper washer)
			(Includes)
	7N-4033	[1]	KNOB
28.	4K-5122	[5]	FUSE HOLDER
			(Each Includes)
	7N-2867	[1]	CAP
	3K-8782 C	[5]	FUSE (10 amp)
29.	7N-8000 C	[1]	SWITCH (toggle)
	7N-8419 C	[2]	TERMINAL
30.	9S-4968	[1]	SLEEVE
31.	2V-7088	[3]	LENS (red)
	C		INDICATES CHANGE
	H		ORDER BY THE METER