3V979 TRANSMISSION CONTROL LOCK GROUP Serial No. 50W1493-Up Part of 1V4911 Transmission Control Group shown on Page 119 988B

POWER TRAIN

LOCK GP-TRANSMISSION CONTROL

0. 3V-0979 LOCK GP-TR

OPERATOR STATION

CONTROL GP-TRANSMISSION

1. 1V-4911 CONTROL GP
2. 1V-4911 CONTROL GP
3. 1V-4911 CONTROL GP
4. 1V-4911 CONTROL GP
5. 1V-4911 CONTROL GP
6. 1V-4911 CONTROL GP
7. 1V-4911 CONTROL GP
8. 1V-4911 CONTROL GP
9. 1V-4911 CONTROL GP
0. INFORMATION

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

POWER TRAIN

LOCK GP-TRANSMISSION CONTROL

3V-0979 LOCK GP-TRANSMISSION

#SEBP10790390

3V-0979: LOCK GP-TRANSMISSION

LOCK GP-TRANSMISSION

3V979 TRANSMISSION CONTROL LOCK GROUP
Serial No. 50W1493-Up
Part of 1V4911 Transmission Control Group shown on Page 119

c238071 SEBP1079

3V0979 LOCK GP-TRANSMISSION Parts scheme

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	8J-4645	[1]	PLUG
2.	7M-8485	[2]	SEAL
3.	2V-7248	[1]	SPRING (outer)
4.	2V-7249	[1]	SPRING (spring)
5.	6J-7836	[2]	RING
6.	2V-7364 C	[2]	PLUNGER ASSEM.
7.	9S-6130	[1]	PLUG
	2S-4078	[1]	SEAL
8.	3V-8513	[1]	SLEEVE
9.	2V-7254	[1]	PLUNGER
10.	2V-7366	[1]	PISTON
11.	2V-7367	[1]	CYLINDER
12.	2R-6806	[1]	CONNECTOR
13.	3J-1907	[2]	SEAL
14.	3J-7352	[1]	CONNECTOR
	3J-7354	[1]	SEAL
15.	2V-7252	[1]	SLEEVE
16.	8F-3469	[1]	SEAL
17.	6J-2419	[1]	SEAL (rubber)
	2V-7479	[1]	SEAL (plastic)
18.	2V-7253	[1]	NUT
19.	8S-7374	[1]	FILTER
20.	5P-4482	[1]	PLUG
21.	9S-8003	[2]	PLUG
	1J-9671	[2]	SEAL
22.	2V-7224	[2]	SPRING
23.	2V-7237	[1]	SLEEVE
24.	4V-2677 C	[1]	RAIL
25.	2S-4663	[1]	SEAL (rubber)
	2V-7478	[1]	SEAL (plastic)
26.	4V-2678 C	[1]	PIN
	8D-5294	[1]	RING
27.	2V-7247	[1]	SPRING (inner)
28.	2V-7225	[1]	SPRING
29.	2V-7469	[1]	HOUSING
30.	2V-7246	[1]	SPRING (outer)
	C		INDICATES CHANGE

#SEBP10790391

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 1 of 2
Serial No. 50W1 to 50W1373 inclusive

c209896 SEBP1079

1V4911 CONTROL GP-TRANSMISSION Parts scheme

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3K-1644	[1]	SCREW
2.	6K-5177	[1]	HANDLE
3.	1V-6347	[1]	SHAFT
4.	1V-6346	[1]	COLLAR
5.	5B-9324	[1]	SETSCREW
6.	1V-6343	[1]	LEVER ASSEM.
			(Includes)
7.	2M-2489	[1]	SEAL
8.	1V-5326	[2]	BEARING
9.	9K-6605	[1]	SPACER
10.	1V-9809	[1]	WASHER
11.	5S-7046	[1]	RING
12.	2V-9009	[1]	RACK
13.	2V-3713	[1]	STOP
14.	0S-1594	[2]	BOLT
	5P-1075	[2]	WASHER
15.	010-2571	[5]	SETSCREW
16.	1V-6342	[1]	GEAR ASSEM.
			(Includes)
	1V-5326	[1]	BEARING
17.	1V-6344	[1]	BELLCRANK ASSEM.
			(Includes)
	1V-5327	[1]	BEARING
18.	1V-6350	[1]	CABLE ASSEM.
19.	2V-7617	[1]	CABLE ASSEM.
20.	9K-6606	[1]	STRIP
21.	9S-5033	[3]	BOLT
22.	9K-6613	[1]	CLAMP
23.	1V-6348	[1]	PIN
24.	3K-9042	[4]	RING
25.	9L-2685	[2]	BALLJOINT
26.	6F-0612	[1]	NUT
27.	3B-4504	[1]	LOCKWASHER
28.	1V-6345	[1]	PIN

#SEBP10790392

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 2 of 2
Serial No. 50W1 to 50W1373 inclusive
3V979 Control Lock parts are shown on Page 117

c209897 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	2V-6076	[1]	CAM
2.	3V-3876	[1]	END
3.	8D-5294	[2]	RING
	8D-5295	[2]	PIN
4.	2V-6078	[2]	BRACKET
5.	3V-0979 Y	[1]	LOCK GROUP
			(Separate Illustration)
6.	1H-9696	[1]	SEAL
7.	9S-4190	[3]	PLUG
8.	1A-2029	[2]	BOLT
9.	3B-4506	[5]	LOCKWASHER
10.	1V-6341	[2]	SEAL
11.	4D-3704	[2]	WASHER
12.	0L-1351	[2]	BOLT
13.	6F-0612	[1]	NUT
14.	8B-3768	[1]	END
15.	4F-7952	[1]	SEAL
16.	1T-0765	[2]	BOLT
17.	4D-7794	[1]	CLIP
18.	0S-0509	[1]	BOLT
	Y		SEPARATE ILLUSTRATION

#SEBP10790393

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 1 of 2
Serial No. 50W1374 to 50W1633 inclusive

c166722 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3K-1644	[1]	SCREW
2.	6K-5177	[1]	HANDLE
3.	1V-6347	[1]	SHAFT
4.	1V-6346	[1]	COLLAR
5.	5B-9324	[1]	SETSCREW
6.	1V-6343	[1]	LEVER ASSEM.
			(Includes)
7.	2M-2489	[1]	SEAL
8.	1V-5326	[2]	BEARING
9.	9K-6605	[1]	SPACER
10.	1V-9809	[1]	WASHER
11.	5S-7046	[1]	RING
12.	2V-9009	[1]	RACK
13.	2V-3713	[1]	STOP
14.	0S-1594	[2]	BOLT
	5P-1075	[2]	WASHER
15.	010-2571	[3]	SETSCREW 7.93 mm(.312in.)long
16.	1V-6342	[1]	GEAR ASSEM.
			(Includes)
	1V-5326	[1]	BEARING
17.	4V-3059 C	[1]	BELLCRANK ASSEM.
18.	1V-6350	[1]	CABLE ASSEM.
19.	2V-7617	[1]	CABLE ASSEM.
20.	9K-6606	[1]	STRIP
21.	9S-5033	[3]	BOLT
22.	9K-6613	[1]	CLAMP
23.	1V-6348	[1]	PIN
24.	3K-9042 C	[2]	RING
25.	9L-2685	[2]	BALLJOINT
26.	6F-0612	[1]	NUT
27.	3B-4504	[1]	LOCKWASHER
28.	4V-3058 C	[1]	PIN
29.	010-2570 C	[2]	SETSCREW 9.53 mm(.375in.)long
30.	3B-4504 C	[3]	LOCKWASHER
	C		INDICATES CHANGE

#SEBP10790394

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 2 of 2
Serial No. 50W1374 to 50W1633 inclusive
3V979 Control Lock parts are shown on Page 117

c209897 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	2V-6076	[1]	CAM
2.	3V-3876	[1]	END
3.	8D-5294	[2]	RING
	8D-5295	[2]	PIN
4.	2V-6078	[2]	BRACKET
5.	3V-0979 Y	[1]	LOCK GROUP
			(Separate Illustration)
6.	1H-9696	[1]	SEAL
7.	9S-4190	[3]	PLUG
8.	1A-2029	[2]	BOLT
9.	3B-4506	[5]	LOCKWASHER
10.	1V-6341	[2]	SEAL
11.	4D-3704	[2]	WASHER
12.	0L-1351	[2]	BOLT
13.	6F-0612	[1]	NUT
14.	8B-3768	[1]	END
15.	4F-7952	[1]	SEAL
16.	1T-0765	[2]	BOLT
17.	4D-7794	[1]	CLIP
18.	0S-0509	[1]	BOLT
	Y		SEPARATE ILLUSTRATION

#SEBP10790395

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 1 of 2
Serial No. 50W1634 to 50W2688 inclusive

c168123 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3K-1644	[1]	SCREW
2.	6K-5177	[1]	HANDLE
3.	1V-6347	[1]	SHAFT
4.	1V-6346	[1]	COLLAR
5.	5B-9324	[1]	SETSCREW
6.	1V-6343	[1]	LEVER ASSEM.
			(Includes)
7.	2M-2489	[1]	SEAL
8.	1V-5326	[2]	BEARING
9.	9K-6605	[1]	SPACER
10.	1V-9809	[1]	WASHER
11.	5S-7046	[1]	RING
12.	2V-9009	[1]	RACK
13.	2V-3713	[1]	STOP
14.	0S-1594	[2]	BOLT
	5P-1075	[2]	WASHER
15.	010-2571	[3]	SETSCREW 7.93 mm(.312in.)long
16.	1V-6342	[1]	GEAR ASSEM.
			(Includes)
	1V-5326	[1]	BEARING
17.	4V-3059	[1]	BELLCRANK ASSEM.
18.	1V-6350	[1]	CABLE ASSEM.
19.	2V-7617	[1]	CABLE ASSEM.
20.	5P-0537 C	[3]	WASHER
21.	7B-2742 C	[3]	BOLT
22.	4V-0031 C	[1]	CLAMP
23.	1V-6348	[1]	PIN
24.	3K-9042	[2]	RING
25.	9L-2685	[2]	BALLJOINT
26.	6F-0612	[1]	NUT
27.	3B-4504	[1]	LOCKWASHER
28.	4V-3058	[1]	PIN
29.	010-2570	[2]	SETSCREW 9.53 mm(.375in.)long
	C		INDICATES CHANGE

#SEBP10790396

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 2 of 2
Serial No. 50W1634 to 50W2688 inclusive
3V979 Control Lock parts are shown on Pages 117, 117A & 117B

c168129 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	2V-6076	[1]	CAM
2.	3V-3876	[1]	END
3.	8D-5294	[2]	RING
	8D-5295	[2]	PIN
4.	2V-6078	[2]	BRACKET
5.	3V-0979 Y	[1]	LOCK GROUP
			(Separate Illustration)
6.	1H-9696	[1]	SEAL
7.	9S-4190	[3]	PLUG
8.	1A-2029	[2]	BOLT
9.	3B-4506	[5]	LOCKWASHER
10.	1V-6341	[2]	SEAL
11.	4D-3704	[2]	WASHER
12.	0L-1351	[2]	BOLT
13.	6F-0612	[1]	NUT
14.	8B-3768	[1]	END
15.	4F-7952	[1]	SEAL
16.	1T-0765	[2]	BOLT
17.	4D-7794	[1]	CLIP
18.	0S-0509	[1]	BOLT
	Y		SEPARATE ILLUSTRATION

#SEBP10790397

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 1 of 2
Serial No. 50W2689 to 50W4339 inclusive

c171080 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3K-1644	[1]	SCREW
2.	6K-5177	[1]	HANDLE
3.	1V-6347	[1]	SHAFT
4.	1V-6346	[1]	COLLAR
5.	5B-9324	[1]	SETSCREW
6.	1V-6343	[1]	LEVER ASSEM.
			(Includes)
7.	2M-2489	[1]	SEAL
8.	1V-5326	[2]	BEARING
9.	9K-6605	[1]	SPACER
10.	1V-9809	[1]	WASHER
11.	5S-7046	[1]	RING
12.	2V-9009	[1]	RACK
13.	2V-3713	[1]	STOP
14.	0S-1594	[2]	BOLT
	5P-1075	[2]	WASHER
15.	010-2571	[3]	SETSCREW 7.93 mm(.312 in.) long
16.	1V-6342	[1]	GEAR ASSEM.
			(Includes)
	1V-5326	[1]	BEARING
17.	4V-3059	[1]	BELLCRANK ASSEM.
18.	1V-6350	[1]	CABLE ASSEM.
19.	2V-7617	[1]	CABLE ASSEM.
20.	5P-0537	[3]	WASHER
21.	7B-2742	[3]	BOLT
22.	4V-0031	[1]	CLAMP
23.	1V-6348	[1]	PIN
24.	3K-9042	[2]	RING
25.	9L-2685	[2]	BALLJOINT
26.	6F-0612	[3]	NUT
27.	3B-4504	[1]	LOCKWASHER
28.	4V-3058	[1]	PIN
29.	010-2570	[2]	SETSCREW 9.53 mm(.375 in.) long

#SEBP10790398

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 2 of 2
Serial No. 50W2689 to 50W4339 inclusive
3V979 Control Lock parts are shown on Pages 117, 117A and 117B

c171081 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	2V-6076	[1]	CAM
2.	4V-0074 C	[1]	END
3.	8D-5294	[2]	RING
	8D-5295	[2]	PIN
4.	2V-6078	[2]	BRACKET
5.	3V-0979 Y	[1]	LOCK GROUP
			(Separate Illustration)
6.	1H-9696	[1]	SEAL
7.	9S-4190 C	[2]	PLUG
8.	1A-2029	[2]	BOLT
9.	3B-4506	[5]	LOCKWASHER
10.	1V-6341	[2]	SEAL
11.	4D-3704	[2]	WASHER
12.	0L-1351	[2]	BOLT
13.	6F-0612	[1]	NUT
14.	8B-3768	[1]	END
15.	4F-7952 C	[2]	SEAL
16.	1T-0765	[2]	BOLT
17.	4D-7794	[1]	CLIP
18.	0S-0509	[1]	BOLT
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#SEBP10790399

1V-4911: CONTROL GP-TRANSMISSION

CONTROL GP-TRANSMISSION

1V4911 TRANSMISSION CONTROL GROUP--Part 1 of 2
Serial No. 50W4340-Up

c176154 SEBP1079

For full view, you need register

Parts for your 988B WHEEL LOADER:

Pos.	Part No	Qty	Parts name
1.	3K-1644	[1]	SCREW
2.	6K-5177	[1]	HANDLE-SHIFT
3.	1V-6347	[1]	SHAFT
4.	1V-6346	[1]	COLLAR-INDICATOR
5.	5B-9324	[1]	SETSCREW
6.	1V-6343	[1]	LEVER AS
7.	2M-2489	[1]	SEAL-LIP TYPE
8.	1V-5326	[2]	BEARING
9.	9K-6605	[1]	SPACER
10.	1V-9809	[1]	RETAINER
11.	5S-7046	[1]	RING-RETAINING
12.	8R-7075	[1]	RACK
13.	2V-3713	[1]	STOP
14.	0S-1594	[2]	BOLT
	5P-1075	[2]	WASHER-HARD
15.	010-2571	[3]	SETSCREW-SOCKET 7.93MM(.312IN)LONG
16.	1V-6342	[1]	GEAR AS
	1V-5326	[1]	BEARING
17.	4V-3059	[1]	BELLCRANK
18.	1V-6350	[1]	CABLE AS
19.	2V-7617	[1]	CABLE AS
20.	5P-0537	[3]	WASHER
21.	7B-2742	[3]	BOLT
22.	4V-0031	[1]	CLAMP
23.	1V-6348	[1]	PIN
24.	3K-9042	[2]	RING-RETAINING
25.	9L-2685	[2]	BALL JOINT
26.	6F-0612	[3]	NUT-JAM
27.	3B-4504	[1]	LOCKWASHER
28.	4V-3058	[1]	PIN
29.	010-2570	[2]	SETSCREW 9.53MM(.375IN)LONG