PLANETARY TRANSMISSION (7S8484 N/S)--Part 2 of 4 Serial No. 68K1 to 629, 632 to 635, 637, 638 and 68K651 inclusive Part of 8S701 Range Transmission Arrangement shown on Page 86 657B

POWER TRAIN

TRANSMISSION GP

0. 7S-8484 PLANETARY
1. 7S-8484 PLANETARY
2. 7S-8484 PLANETARY
3. 7S-8484 PLANETARY
4. 7S-8484 PLANETARY
5. 7S-8484 PLANETARY
6. 7S-8484 PLANETARY
7. 7S-8484 PLANETARY
8. 7S-8484 PLANETARY
9. 7S-8484 PLANETARY
0. INFORMATION

WHEEL TRACTOR 657B WHEEL TRACTOR 68K
657B TRACTOR 68K00001-00892 (MACHINE) UEG0139S 657B 68K (1969)

POWER TRAIN

TRANSMISSION GP

3P-0382 TRANSMISSION CASE ASSEMBLY

7S-8484 PLANETARY GP

#UEG0139S0250

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 2 of 4
Serial No. 68K1 to 629, 632 to 635, 637, 638 and 68K651 inclusive
Part of 8S701 Range Transmission Arrangement shown on Page 86

c107230 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
	9S-2844	[1]	GEAR ASSEM.
1.	8S-9185	[1]	GEAR (33 Teeth)
2.	9S-2843	[1]	RING
3.	7S-6839	[1]	HUB
4.	7S-6849	[1]	MANIFOLD ASSEM.
5.	2S-7829	[1]	CARRIER
6.	4S-8537	[2]	DOWEL
7.	1T-0766	[1]	BEARING
			(Parts of 7S6849 Assem.)
8.	1A-5822	[9]	BOLT
9.	2M-0849	[49]	WASHER
10.	9S-9918	[1]	HOUSING ASSEM.
11.	8B-1312	[2]	DOWEL
			(Part of 9S9918 Assem.)
12.	7S-6850	[1]	PLATE ASSEM.
	7M-8479	[2]	DOWEL
			(Part of 7S6850 Assem.)
13.	8S-3563	[1]	GEAR ASSEM. (78 and 48 Teeth)
14.	3S-0036	[1]	PLUG
			(Part of 8S3563 Assem.)
15.	7S-6851	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6851 Assem.)
16.	7S-6857	[1]	HOUSING ASSEM.
17.	5M-7900	[19]	BOLT
18.	7S-6836	[1]	GEAR (40 Teeth)
19.	9M-2008	[2]	RING
20.	8S-6368	[1]	BEARING
21.	1J-6474	[1]	RING
22.	8S-6320	[1]	ADAPTER
23.	1K-6986	[1]	RING
24.	2S-7832	[1]	GEAR (32 Teeth)
25.	0S-1587	[21]	BOLT
26.	7S-6852	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6852 Assem.)
27.	8S-6328	[1]	RING
28.	8S-6322	[1]	HOUSING ASSEM.
	8B-1312	[2]	DOWEL
			(Part of 8S6322 Assem.)
29.	0S-1588	[8]	BOLT
30.	5M-1726	[8]	LOCK
31.	0S-1594	[8]	BOLT
32.	7S-6855	[1]	SHAFT ASSEM.
33.	5M-8651	[1]	BEARING
34.	8S-3426	[1]	DOWEL
			(Parts of 7S6855 Assem.)

#UEG0139S0251

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 3 of 4
Serial No. 68K1 to 629, 632 to 635, 637, 638 and 68K651 inclusive
Part of 8S701 Range Transmission Arrangement shown on Page 86

c129776 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9M-2095	[2]	RING
2.	8S-3517	[1]	BEARING
3.	7M-8514	[1]	RING
4.	7S-6847	[1]	HOUSING ASSEM.
	1A-2223	[2]	DOWEL
			(Part of 7S6847 Assem.)
5.	2S-5739	[1]	PISTON
6.	3S-0142	[1]	RING
7.	4S-8677	[1]	RING ASSEM.
8.	9S-2842	[1]	RETAINER ASSEM.
	9M-2001	[1]	DOWEL
			(Part of 9S2842 Assem.)
9.	9M-2004	[1]	BEARING
10.	7S-6837	[1]	GEAR (92 Teeth)
11.	1M-8649	[1]	RING
12.	9F-7104	[1]	RING
13.	5M-6126	[8]	BEARING ASSEM.
14.	2S-7834	[1]	GEAR (92 Teeth)
15.	2S-3544	[4]	GEAR (20 Teeth)
16.	7M-5731	[14]	WASHER
17.	3S-2708	[8]	PIN
18.	2S-7828	[4]	SHAFT ASSEM.
19.	2A-3746	[4]	PLUG
			(1 in each 2S7828 Assem.)
20.	1T-0649	[1]	RING
21.	2S-6437	[1]	CARRIER
22.	7M-5783	[16]	WASHER
23.	1P-4201	[4]	SHAFT ASSEM.
24.	2A-3746	[4]	PLUG
			(1 in each 1P4201 Assem.)
25.	2S-8924	[12]	PIN
26.	4M-5016	[24]	SPRING
27.	2S-7831	[8]	GEAR (25 Teeth)
28.	5M-2051	[16]	BEARING ASSEM.
29.	2S-8923	[6]	PIN
30.	9H-5537	[12]	SPRING
31.	5B-9603	[2]	BOLT
32.	0S-1571	[10]	BOLT
	5M-2894	[10]	WASHER
33.	5J-9605	[5]	SPRING
34.	9F-3823	[1]	RING
35.	7S-6854	[1]	PISTON
36.	1S-7347	[1]	RING
37.	8S-3373	[1]	RING
38.	2S-7824	[2]	RING

#UEG0139S0252

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 4 of 4
Serial No. 68K1 to 629, 632 to 635, 637, 638 and 68K651 inclusive
Part of 8S701 Range Transmission Arrangement shown on Page 86

c107232 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-0021	[1]	PLATE
2.	8S-6324	[3]	DISC ASSEM.
3.	9S-9922 R	[2]	PLATE
4.	9M-4335	[5]	PIN
5.	2S-9018 R	[3]	PLATE
6.	9M-6193	[40]	SPRING ASSEM.
7.	8S-6325	[4]	DISC ASSEM.
8.	7S-6845	[1]	GEAR (87 Teeth)
9.	1S-9759	[1]	CARRIER
10.	0S-0509	[6]	BOLT
	4F-2218	[3]	LOCK
11.	1S-5623	[3]	PLATE
12.	2S-8983	[2]	RING
13.	2S-5734	[2]	PISTON
14.	3S-0141	[3]	RING
15.	3S-1279	[2]	RING
16.	2S-5736	[9]	PLATE
17.	9S-9923	[12]	DISC ASSEM.
18.	3S-2708	[3]	PIN
19.	3S-1278	[1]	RING
20.	7S-6844	[1]	PISTON
21.	2S-3542	[3]	GEAR (20 Teeth)
22.	5M-5018	[6]	BEARING ASSEM.
23.	2S-7823	[3]	SHAFT ASSEM.
24.	2A-3746	[3]	PLUG
			(1 in each 2S7823 Assem.)
25.	4M-9592	[8]	SPRING
26.	9H-5545	[5]	PIN
27.	3S-0003	[1]	PISTON
28.	1S-9496	[1]	RING
29.	3S-1282	[1]	RING
30.	8S-3517	[1]	BEARING
	8S-3553	[1]	NAMEPLATE
	7B-3028	[2]	SCREW
			(Not Shown)
	R		REMFG PART MAY BE AVAILABLE

#UEG0139S0253

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 1 of 4
Serial No. 68K630, 631, 636, 639 to 650 and 68K652 to 68K844 inclusive and Test No. 413 to
995 inclusive. Part of 8S701 and 2P4441 Transmission Arrangements shown on Pages 86 & 86A

c132438 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-9923	[3]	DISC ASSEM.
2.	2S-5736	[2]	PLATE
3.	2B-0947	[24]	BOLT
4.	2M-0849	[39]	WASHER
5.	7S-6882	[1]	PISTON
6.	9H-5545	[6]	PIN
7.	8S-6316	[1]	RING ASSEM.
8.	9M-6193	[36]	SPRING ASSEM.
9.	8S-9077	[3]	DISC ASSEM.
10.	2S-5735 R	[2]	PLATE
11.	8S-6323	[1]	CARRIER ASSEM.
12.	8S-6306	[1]	CARRIER ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 8S6306 Assem.)
13.	3S-0102	[1]	GEAR ASSEM. (93 Teeth)
14.	5M-7961	[1]	WASHER
15.	6B-1369	[5]	RIVET
			(Parts of 3S102 Assem.)
16.	4M-7092	[1]	RING
17.	2S-7830	[3]	GEAR (30 Teeth)
18.	5M-0578	[3]	BEARING ASSEM.
19.	3S-0101	[3]	SHAFT ASSEM.
20.	2A-3746	[3]	PLUG
			(1 in each 3S101 Assem.)
21.	7M-5783	[6]	WASHER
22.	3S-2708	[6]	PIN
23.	1S-6515	[1]	RING
24.	2S-5740	[1]	PISTON
25.	1S-6477	[1]	RING
26.	1S-6478	[1]	RING
27.	7S-6892	[1]	RING
28.	0S-1587	[15]	BOLT
29.	7S-6896	[1]	PLATE
30.	2S-8923	[6]	PIN
31.	9H-5537	[12]	SPRING
32.	2S-7836	[1]	GEAR (93 Teeth)
33.	3S-0141	[1]	RING
34.	3S-1278	[1]	RING
35.	7M-5731	[6]	WASHER
36.	2S-7823	[3]	SHAFT ASSEM.
37.	2A-3746	[3]	PLUG
			(1 in each 2S7823 Assem.)
38.	1A-2029	[6]	BOLT
	5L-3539	[3]	LOCK
39.	1D-4719	[8]	NUT
40.	1P-4146	[6]	BEARING ASSEM.
41.	2S-3543	[3]	GEAR (22 Teeth)
42.	2S-8939	[1]	RING
43.	4S-8546	[1]	BEARING
44.	2S-7824	[2]	RING
45.	3S-0104	[1]	MANIFOLD ASSEM.
46.	2D-8155	[8]	STUD
47.	2S-7829	[1]	CARRIER
48.	4S-8537	[1]	DOWEL
49.	1T-0766	[1]	BEARING
			(Parts of 3S104 Assem.)
50.	9M-1503	[1]	RING
51.	2S-7833	[1]	GEAR (48 Teeth)
52.	3S-0020	[1]	CAGE
53.	8M-5248	[3]	SEAL
54.	7S-6860	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6860 Assem.)
55.	7S-6844	[1]	PISTON
56.	1P-4118	[4]	SPRING
	R		REMFG PART MAY BE AVAILABLE

#UEG0139S0254

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 2 of 4
Serial No. 68K630, 631, 636, 639 to 650 and 68K652 to 68K844 inclusive and
Test No. 413 to 995 inclusive
Part of 8S701 and 2P4441 Transmission Arrangements shown on Pages 86 and 86A

c107230 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
	9S-2844	[1]	GEAR ASSEM.
1.	8S-9185	[1]	GEAR (33 Teeth)
2.	9S-2843	[1]	RING
3.	7S-6839	[1]	HUB
4.	7S-6849	[1]	MANIFOLD ASSEM.
5.	2S-7829	[1]	CARRIER
6.	4S-8537	[2]	DOWEL
7.	1T-0766	[1]	BEARING
			(Parts of 7S6849 Assem.)
8.	1A-5822	[9]	BOLT
9.	2M-0849	[49]	WASHER
10.	9S-9918	[1]	HOUSING ASSEM.
11.	8B-1312	[2]	DOWEL
			(Part of 9S9918 Assem.)
12.	7S-6850	[1]	PLATE ASSEM.
	7M-8479	[2]	DOWEL
			(Part of 7S6850 Assem.)
13.	8S-3563	[1]	GEAR ASSEM. (78 and 48 Teeth)
14.	3S-0036	[1]	PLUG
			(Part of 8S3563 Assem.)
15.	7S-6851	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6851 Assem.)
16.	7S-6857	[1]	HOUSING ASSEM.
17.	5M-7900	[19]	BOLT
18.	7S-6836	[1]	GEAR (40 Teeth)
19.	9M-2008	[2]	RING
20.	8S-6368	[1]	BEARING
21.	1J-6474	[1]	RING
22.	8S-6320	[1]	ADAPTER
23.	1K-6986	[1]	RING
24.	2S-7832	[1]	GEAR (32 Teeth)
25.	0S-1587	[21]	BOLT
26.	7S-6852	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6852 Assem.)
27.	8S-6328	[1]	RING
28.	8S-6322	[1]	HOUSING ASSEM.
	8B-1312	[2]	DOWEL
			(Part of 8S6322 Assem.)
29.	0S-1588	[8]	BOLT
30.	5M-1726	[8]	LOCK
31.	0S-1594	[8]	BOLT
32.	7S-6855	[1]	SHAFT ASSEM.
33.	5M-8651	[1]	BEARING
34.	8S-3426	[1]	DOWEL
			(Parts of 7S6855 Assem.)

#UEG0139S0255

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 3 of 4
Serial No. 68K630, 631, 636, 639 to 650 and 68K652 to 68K844 inclusive
and Test No. 413 to 995 inclusive
Part of 8S701 and 2P4441 Transmission Arrangements shown on Pages 86 and 86A

c132712 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9M-2095	[2]	RING
2.	8S-3517	[1]	BEARING
3.	7M-8514	[1]	RING
4.	7S-6847	[1]	HOUSING ASSEM.
	1A-2223	[2]	DOWEL
			(Part of 7S6847 Assem.)
5.	2S-5739	[1]	PISTON
6.	3S-0142	[1]	RING
7.	4S-8677	[1]	RING ASSEM.
8.	9S-2842	[1]	RETAINER ASSEM.
	9M-2001	[1]	DOWEL
			(Part of 9S2842 Assem.)
9.	9M-2004	[1]	BEARING
10.	7S-6837	[1]	GEAR (92 Teeth)
11.	1M-8649	[1]	RING
12.	9F-7104	[1]	RING
13.	5M-6126	[8]	BEARING ASSEM.
14.	2S-7834	[1]	GEAR (92 Teeth)
15.	2S-3544	[4]	GEAR (20 Teeth)
16.	7M-5731	[14]	WASHER
17.	3S-2708	[8]	PIN
18.	2S-7828	[4]	SHAFT ASSEM.
19.	2A-3746	[4]	PLUG
			(1 in each 2S7828 Assem.)
20.	1T-0649	[1]	RING
21.	2S-6437	[1]	CARRIER
22.	7M-5783	[16]	WASHER
23.	1P-4201	[4]	SHAFT ASSEM.
24.	2A-3746	[4]	PLUG
			(1 in each 1P4201 Assem.)
25.	2S-8924	[12]	PIN
26.	4M-5016	[24]	SPRING
27.	2S-7831	[8]	GEAR (25 Teeth)
28.	1P-4147	[16]	BEARING ASSEM.
29.	2S-8923	[6]	PIN
30.	9H-5537	[12]	SPRING
31.	5B-9603	[2]	BOLT
32.	0S-1571	[10]	BOLT
	5M-2894	[10]	WASHER
33.	5J-9605	[5]	SPRING
34.	9F-3823	[1]	RING
35.	7S-6854	[1]	PISTON
36.	1S-7347	[1]	RING
37.	8S-3373	[1]	RING
38.	2S-7824	[2]	RING

#UEG0139S0256

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 4 of 4
Serial No. 68K630, 631, 636, 639 to 650 and 68K652 to 68K844 inclusive
and Test No. 413 to 995 inclusive
Part of 8S701 & 2P4441 Transmission Arrangements shown on Pages 86 & 86A

c132713 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-0021	[1]	PLATE
2.	8S-6324	[3]	DISC ASSEM.
3.	9S-9922 R	[2]	PLATE
4.	9M-4335	[5]	PIN
5.	2S-9018 R	[3]	PLATE
6.	9M-6193	[40]	SPRING ASSEM.
7.	8S-6325	[4]	DISC ASSEM.
8.	7S-6845	[1]	GEAR (87 Teeth)
9.	1S-9759	[1]	CARRIER
10.	0S-0509	[6]	BOLT
	4F-2218	[3]	LOCK
11.	1S-5623	[3]	PLATE
12.	2S-8983	[2]	RING
13.	2S-5734	[2]	PISTON
14.	3S-0141	[3]	RING
15.	3S-1279	[2]	RING
16.	2S-5736	[9]	PLATE
17.	9S-9923	[12]	DISC ASSEM.
18.	3S-2708	[3]	PIN
19.	3S-1278	[1]	RING
20.	7S-6844	[1]	PISTON
21.	2S-3542	[3]	GEAR (20 Teeth)
22.	1P-4146	[6]	BEARING ASSEM.
23.	2S-7823	[3]	SHAFT ASSEM.
24.	2A-3746	[3]	PLUG
			(1 in each 2S7823 Assem.)
25.	4M-9592	[8]	SPRING
26.	9H-5545	[5]	PIN
27.	3S-0003	[1]	PISTON
28.	1S-9496	[1]	RING
29.	3S-1282	[1]	RING
30.	8S-3517	[1]	BEARING
	8S-3553	[1]	NAMEPLATE
	7B-3028	[2]	SCREW
			(Not Shown)
	R		REMFG PART MAY BE AVAILABLE

#UEG0139S0257

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 1 of 4
Serial No. 68K845-Up and Test No. 996-Up
Part of 2P4441 Transmission Arrangements shown on Pages 86A & 86B

c144078 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-9923	[3]	DISC ASSEM.
2.	2S-5736	[2]	PLATE
3.	2B-0947	[24]	BOLT
4.	2M-0849	[39]	WASHER
5.	3P-5103 C	[1]	PISTON
6.	9H-5545	[6]	PIN
7.	3P-5105 C	[1]	RING ASSEM.
8.	9M-6193	[36]	SPRING ASSEM.
9.	8S-9077	[3]	DISC ASSEM.
10.	2S-5735 R	[2]	PLATE
11.	8S-6323	[1]	CARRIER ASSEM.
12.	8S-6306	[1]	CARRIER ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 8S6306 Assem.)
13.	3S-0102	[1]	GEAR ASSEM. (93 Teeth)
14.	5M-7961	[1]	WASHER
15.	6B-1369	[5]	RIVET
			(Parts of 3S102 Assem.)
16.	4M-7092	[1]	RING
17.	2S-7830	[3]	GEAR (30 Teeth)
18.	5M-0578	[3]	BEARING ASSEM.
19.	3S-0101	[3]	SHAFT ASSEM.
20.	2A-3746	[3]	PLUG
			(1 in each 3S101 Assem.)
21.	7M-5783	[6]	WASHER
22.	3S-2708	[6]	PIN
23.	1S-6515	[1]	RING
24.	3P-5104 C	[1]	PISTON
25.	1S-6477	[1]	RING
26.	1S-6478	[1]	RING
27.	7S-6892	[1]	RING
28.	0S-1587	[15]	BOLT
29.	7S-6896	[1]	PLATE
30.	2S-8923	[6]	PIN
31.	9H-5537	[12]	SPRING
32.	2S-7836	[1]	GEAR (93 Teeth)
33.	3S-0141	[1]	RING
34.	3S-1278	[1]	RING
35.	7M-5731	[6]	WASHER
36.	2S-7823	[3]	SHAFT ASSEM.
37.	2A-3746	[3]	PLUG
			(1 in each 2S7823 Assem.)
38.	1A-2029	[6]	BOLT
	5L-3539	[3]	LOCK
39.	1D-4719	[8]	NUT
40.	1P-4146	[6]	BEARING ASSEM.
41.	2S-3543	[3]	GEAR (22 Teeth)
42.	2S-8939	[1]	RING
43.	4S-8546	[1]	BEARING
44.	3P-3673 C	[2]	RING
45.	3S-0104	[1]	MANIFOLD ASSEM.
46.	2D-8155	[8]	STUD
47.	2S-7829	[1]	CARRIER
48.	4S-8537	[1]	DOWEL
49.	1T-0766	[1]	BEARING
			(Parts of 3S104 Assem.)
50.	9M-1503	[1]	RING
51.	2S-7833	[1]	GEAR (48 Teeth)
52.	3S-0020	[1]	CAGE
53.	8M-5248	[3]	SEAL
54.	7S-6860	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6860 Assem.)
55.	7S-6844	[1]	PISTON
56.	1P-4118	[4]	SPRING
	C		INDICATES CHANGE
	R		REMFG PART MAY BE AVAILABLE

#UEG0139S0258

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 2 of 4
Serial No. 68K845-Up and Test No. 996-Up
Part of 2P4441 Transmission Arrangements shown on Pages 86A and 86B

c107230 UEG0139S

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Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
	9S-2844	[1]	GEAR ASSEM.
1.	8S-9185	[1]	GEAR (33 Teeth)
2.	9S-2843	[1]	RING
3.	7S-6839	[1]	HUB
4.	7S-6849	[1]	MANIFOLD ASSEM.
5.	2S-7829	[1]	CARRIER
6.	4S-8537	[2]	DOWEL
7.	1T-0766	[1]	BEARING
			(Parts of 7S6849 Assem.)
8.	1A-5822	[9]	BOLT
9.	2M-0849	[49]	WASHER
10.	9S-9918	[1]	HOUSING ASSEM.
11.	8B-1312	[2]	DOWEL
			(Part of 9S9918 Assem.)
12.	7S-6850	[1]	PLATE ASSEM.
	7M-8479	[2]	DOWEL
			(Part of 7S6850 Assem.)
13.	8S-3563	[1]	GEAR ASSEM. (78 and 48 Teeth)
14.	3S-0036	[1]	PLUG
			(Part of 8S3563 Assem.)
15.	7S-6851	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6851 Assem.)
16.	7S-6857	[1]	HOUSING ASSEM.
17.	5M-7900	[19]	BOLT
18.	7S-6836	[1]	GEAR (40 Teeth)
19.	9M-2008	[2]	RING
20.	8S-6368	[1]	BEARING
21.	1J-6474	[1]	RING
22.	8S-6320	[1]	ADAPTER
23.	1K-6986	[1]	RING
24.	2S-7832	[1]	GEAR (32 Teeth)
25.	0S-1587	[21]	BOLT
26.	7S-6852	[1]	HOUSING ASSEM.
	7M-8480	[2]	DOWEL
			(Part of 7S6852 Assem.)
27.	8S-6328	[1]	RING
28.	8S-6322	[1]	HOUSING ASSEM.
	8B-1312	[2]	DOWEL
			(Part of 8S6322 Assem.)
29.	0S-1588	[8]	BOLT
30.	5M-1726	[8]	LOCK
31.	0S-1594	[8]	BOLT
32.	7S-6855	[1]	SHAFT ASSEM.
33.	5M-8651	[1]	BEARING
34.	8S-3426	[1]	DOWEL
			(Parts of 7S6855 Assem.)

#UEG0139S0259

7S-8484: PLANETARY GP

PLANETARY GP

PLANETARY TRANSMISSION (7S8484 N/S)--Part 3 of 4
Serial No. 68K845-Up and Test No. 996-Up
Part of 2P4441 Transmission Arrangements shown on Pages 86A & 86B

c144079 UEG0139S

For full view, you need register

Parts for your 657B WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9M-2095	[2]	RING
2.	8S-3517	[1]	BEARING
3.	7M-8514	[1]	RING
4.	7S-6847	[1]	HOUSING ASSEM.
	1A-2223	[2]	DOWEL
			(Part of 7S6847 Assem.)
5.	3P-4266 C	[1]	PISTON
6.	3S-0142	[1]	RING
7.	3P-4268 C	[5]	PLATE
8.	9S-2842	[1]	RETAINER ASSEM.
	9M-2001	[1]	DOWEL
			(Part of 9S2842 Assem.)
9.	9M-2004	[1]	BEARING
10.	7S-6837	[1]	GEAR (92 Teeth)
11.	1M-8649	[1]	RING
12.	9F-7104	[1]	RING
13.	5M-6126	[8]	BEARING ASSEM.
14.	2S-7834	[1]	GEAR (92 Teeth)
15.	2S-3544	[4]	GEAR (20 Teeth)
16.	7M-5731	[14]	WASHER
17.	3S-2708	[8]	PIN
18.	2S-7828	[4]	SHAFT ASSEM.
19.	2A-3746	[4]	PLUG
			(1 in each 2S7828 Assem.)
20.	1T-0649	[1]	RING
21.	2S-6437	[1]	CARRIER
22.	7M-5783	[16]	WASHER
23.	1P-4201	[4]	SHAFT ASSEM.
24.	2A-3746	[4]	PLUG
			(1 in each 1P4201 Assem.)
25.	2S-8924	[12]	PIN
26.	4M-5016	[24]	SPRING
27.	2S-7831	[8]	GEAR (25 Teeth)
28.	1P-4147	[16]	BEARING ASSEM.
29.	2S-8923	[6]	PIN
30.	9H-5537	[12]	SPRING
31.	5B-9603	[2]	BOLT
32.	0S-1571	[10]	BOLT
	5M-2894	[10]	WASHER
33.	5J-9605	[5]	SPRING
34.	9F-3823	[1]	RING
35.	3P-4264 C	[1]	PISTON
36.	1S-7347	[1]	RING
37.	8S-3373	[1]	RING
38.	3P-3673 C	[2]	RING
	C		INDICATES CHANGE

Information:

POWER TRAIN

TRANSMISSION GP

Special Instruction

657B Transmission Circuit Testing (Fused, Twin-Cable){3168}
657B Transmission Circuit Testing (Fused, Twin-Cable){3168}

Installation of Scraper Transmission Switches{3173, 3168}
Installation of Scraper Transmission Switches{3173, 3168}

Conversion Of Two Seal Type Transmission Switches{3171, 3172, 3173}
Conversion Of Two Seal Type Transmission Switches{3171, 3172, 3173}

Installation Of 9P6878 And 7G2772 Transmission Arrangements{3168}
Installation Of 9P6878 And 7G2772 Transmission Arrangements{3168}

Installation Of 6G1735 And 6G1736 Wiring Groups (Electric Transmission Switch){1408, 3168}
Installation Of 6G1735 And 6G1736 Wiring Groups (Electric Transmission Switch){1408, 3168}

Installation Of Wiring Groups (Electric Transmission Switch){1408, 3168}
Installation Of Wiring Groups (Electric Transmission Switch){1408, 3168}

Using 1P3550 And 5P6590 Wiring Harness Tester Groups On Machines With Electronic Switching Control Of Transmission Systems{651, 3168}
Using 1P3550 And 5P6590 Wiring Harness Tester Groups On Machines With Electronic Switching Control Of Transmission Systems{651, 3168}

Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}
Procedure to Salvage the Slots for the Pin and Holes for the Reaction Dowel in Transmission Clutch Plates, Pistons, and Housings {3030, 3050, 3169, 3170, 3190}

Service Letter-NACD

Certain 9U8233 Bearings Need To Be Removed From Parts Stock
Certain 9U8233 Bearings Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Service Letter-Brazil

Technical Information Bulletin

Some 2P-4472, 7G-0825, and 8P-1656 Clutch Plates May Have Been Shipped Into the Parts System Before Finish Grinding
Some 2P-4472, 7G-0825, and 8P-1656 Clutch Plates May Have Been Shipped Into the Parts System Before Finish Grinding

Specifications

Transmission
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Oil Filter (2S6457)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Oil Pump (7S6980)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Scavenge - Transmission Transfer Gear Pump (7S6985)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Pressure Control Valve (7S8665)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Transfer Gears (7S4597)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Hydraulic Controls Transmission Semiautomatic
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Oil Filter (3D7090)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Hydraulic Control Group (9S2835)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transmission Oil Pressure And Scavenge Pump (7S8625)
657-666 WHEEL TRACTOR-SCRAPERS POWER TRAIN

Transfer Gears (Transmission) (Earlier Machines)
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Oil Cooler
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Oil Filter
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Oil Pump
657B TRACTOR-SCRAPER POWER TRAIN

Scavenge Pump-Transfer Gears (Transmission)
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Case
657B TRACTOR-SCRAPER POWER TRAIN

Transmission
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Hydraulic Controls
657B TRACTOR-SCRAPER POWER TRAIN

Transfer Gears (Transmission)
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Oil Filter
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Oil Pump
657B TRACTOR-SCRAPER POWER TRAIN

Scavenge Pump-Transfer Gears (Transmission)
657B TRACTOR-SCRAPER POWER TRAIN

Transmission
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Hydraulic Controls
657B TRACTOR-SCRAPER POWER TRAIN

Transmission Case
657B TRACTOR-SCRAPER POWER TRAIN

Adjustment For Transmission Hold And Differential Lock (666B)
657B & 666B TRACTORS-SCRAPERS AIR SYSTEM AND BRAKES

Adjustment For Transmission Hold And Differential Lock (657B)
657B & 666B TRACTORS-SCRAPERS AIR SYSTEM AND BRAKES

Differential Lock And Transmission Hold Control Valves (6D856)
657B & 666B TRACTORS-SCRAPERS AIR SYSTEM AND BRAKES

Tool Operating Manual

M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}
M0074040: 509-5085 Lifting Tool Assembly {0374, 0599, 0629, 0632, 3023, 3159, 3160, 5363, 7000}

Service Letter-China

Certain 9U8233 Bearings Need To Be Removed From Parts Stock
Certain 9U8233 Bearings Need To Be Removed From Parts Stock

Service Letter-Asia

Reuse And Salvage Guidelines

Salvage Case Assembly and Idler Shaft in Transmission Transfer Gear Groups for 621B, 623B, 627, 627B, 641, 641B, 650B, 651B, 651E, 657, 657B, 657E, 657G, 660B, 666, and 666B Tractor-Scrapers{3030, 3159}
Salvage Case Assembly and Idler Shaft in Transmission Transfer Gear Groups for 621B, 623B, 627, 627B, 641, 641B, 650B, 651B, 651E, 657, 657B, 657E, 657G, 660B, 666, and 666B Tractor-Scrapers{3030, 3159}

Reusability of Drive Train Gears {3002, 3159, 3256, 4055}
Reusability of Drive Train Gears {3002, 3159, 3256, 4055}

Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}
Transmission, Torque Converter and Relief Valve Bench Test Procedures Reference Manual Contents {3030, 3101, 3133}

Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}
Identification of Non-Metallic Discs that are Used in Power Shift Transmissions {3030, 3155}

Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}
Transmission Clutch Plates and Disc Assemblies with Sintered Bronze Friction Material {3030, 3155, 3190}

Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}
Specifications for Inspection of Driveline Fasteners {3030, 3101, 3159, 3253, 3258, 3278, 4050}

Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}
Identification and Applications of Transmission Clutch Plates and Specifications to Machine Reaction Faces for Power Shift Transmissions {3054, 3155, 3160, 3190}

Clutch Housings and Clutch Pistons for Transmissions and Torque Dividers {3169, 3170}
Clutch Housings and Clutch Pistons for Transmissions and Torque Dividers {3169, 3170}

Transmission Reuse and Salvage Manual Contents {0374, 3030}
Transmission Reuse and Salvage Manual Contents {0374, 3030}

Transmission Governor Salvage for Seven and Eight Speed Powershift Transmissions {3151}
Transmission Governor Salvage for Seven and Eight Speed Powershift Transmissions {3151}

Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}
Clutch Ring Gears For All Power Shift Transmissions {3030, 3155}

Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}
Procedure to Salvage Tang Slots on Transmission and Brake Pistons {0679, 3160, 4011, 4251}

Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}
Repair of Transmission, Torque Converter, and Torque Divider Shafts {3000, 3063, 3100}

Reuse and Salvage of Transmission Components {3030}
Reuse and Salvage of Transmission Components {3030}

Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}
Procedure to Machine Damaged Transmission and Differential Yokes {3030, 3253, 3258}

Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}
Procedures to Salvage Thrust Faces on Planetary Carriers {3160, 4050, 4051, 4093}

Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}
Repair of Reaction Dowel Holes in Transmission Clutch Housings {3030, 3155, 3169}

Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}
Thermal Spray Procedures for Clutch Housing Piston Bore {0679, 3160, 3169}

Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}
Thermal Spray Procedures for Clutch Piston Inside Diameter {0679, 3160, 3170}

Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}
Thermal Spray Procedures for Transmission, Torque Converter and Torque Divider Shafts {0679, 0719, 3030, 3101, 3125, 3130}

Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}
Thermal Spray Procedures for Transmission and Torque Converter Yokes {0599, 0679, 3001, 3030, 3101, 3160}

Contamination Control Guidelines

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}

Service Letter-APD

Certain 9U8233 Bearings Need To Be Removed From Parts Stock
Certain 9U8233 Bearings Need To Be Removed From Parts Stock

Bench Test Procedures

Disassembly and Assembly

Transmission
657-666 SCRAPER POWER TRAIN

Transmission And Differential
657-666 SCRAPER POWER TRAIN

Transmission Transfer Gear
641-651-657 TRACTOR POWER TRAIN

Transmission Governor
641-651-657 TRACTOR POWER TRAIN

Transmission
641-651-657 TRACTOR POWER TRAIN

No. 2 Clutch
641-651-657 TRACTOR POWER TRAIN

No. 3,4,5,6, & 7 Clutches
641-651-657 TRACTOR POWER TRAIN

No. 4 Carrier
641-651-657 TRACTOR POWER TRAIN

No. 6,7 Carrier
641-651-657 TRACTOR POWER TRAIN

Transmission And Transfer Gear
657B & 666B SCRAPER EIGHT SPEED TRANSMISSION AND TRANSFER GE

Hydraulic Control Cover
657B & 666B SCRAPER EIGHT SPEED TRANSMISSION AND TRANSFER GE

Transmission Hydraulic Control Valves
657B & 666B SCRAPER EIGHT SPEED TRANSMISSION AND TRANSFER GE

Transmission
657B & 666B SCRAPER EIGHT SPEED TRANSMISSION AND TRANSFER GE

Service Magazine

Do Not Use Planet Gears Made From Forgings And Bar Stock Together In A Torque Divider Transmission {3110,3113,3114,3116,3118}
1980/09/22

Adapters Permit Replacement Transmission To Be Installed In Machines With Either Rotary-Type Or Solid-State Switches{3168}
1980/11/03

Caution: Transmission Control Systems With Electronic Switching Can Be Damaged By Wrong Use Of 1P3550 Or 5P6590 Wiring Harness Tester Groups{0651,3168,1408}
1980/12/01

New Carrier Prevents Loose Reaction Pins (Dowels) In No. 2 Clutch{3155}
1981/04/20

Procedure To Move Tandem-Powered Tractor-Scrapers Long Distances{0374,0375,4051,4053,3150,3259}
1981/05/04

New Clutch Disc Used{3155}
1981/11/09

Instrument Panel Guards Prevent Vandalism (Damage) To Machines{7315}
1982/09/20

Fixture For Disassembly And Assembly Of Center Shaft In Seven And Eight Speed Transmissions{0620,3150}
1977/01/17

Correction To Service Manual Information For Adjustment Of Shift Points On Eight-Speed Semi-Automatic Transmissions{3167,0374}
1977/02/28

New Engine Mount Keeps Forces Caused From Engine Side-To-Side Movement Away From The Frame Of The Vehicle{1152}
1977/03/21

Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25

Operating Techniques Guide Now Available For Wheel Tractor Scrapers With Eight Speed Transmission{0374,3150}
1977/06/20

Solid-State (Electronic) Switch Controls Now Used To Synchronize The Tractor And Scraper Transmissions{1408,3168,3173}
1978/05/22

Automatic Downshift Feature Prevents Shifts Between Eighth And Second Speed At High Ground Speeds{3150,3157,3158,3167,3178}
1978/06/05

Improved Freewheel Clutch Assembly Now Used In Torque Converter Group Of Eight-Speed Power Shift Transmissions{3102}
1978/06/12

Screen Now Used In 7 And 8-Speed Power Shift Transmission Governor Oil Supply And Signal Lines{3167,3179,3151,3004}
1979/10/15

Separator Springs Added To No. 7 (Reverse) Clutch In Planetary Group Of Power Shift Tranmission{3155}
1979/12/17

Transmission Clutch No. 6 Has New Housing; Retaining Bolts For Clutch Housing Now Have Dampers {3155,3169}
1989/09/04

Extension Cable Makes It Easier To Use ICM Transmission Control Monitor {3168,0600,1408}
1989/10/09

Improved ICM Transmission Gear Position Sensor Available {3168}
1998/06/22

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

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

Cat® Reman Announces the Addition of Transmission Clutch Plates for Certain Machine Transmissions {3160}
2014/09/11

A New Bearing Cage Assembly is Now Used in the Planetary Group on Certain Wheel Tractor-Scrapers and Off-Highway Trucks {3030, 3160}
A New Bearing Cage Assembly is Now Used in the Planetary Group on Certain Wheel Tractor-Scrapers and Off-Highway Trucks {3030, 3160}

Caterpillar Parts SIS Catalog 657B :

7S-8484 PLANETARY GP

3P-0382 TRANSMISSION CASE ASSEMBLY

3P-0272 CASE & COVERS GP-TMSN

8S-9002 TRANSMISSION CASE AND COVERS

2S-6539 MANIFOLD & SCREENS GP

7S-8484 PLANETARY GP

Truck sale:

CAT 657B

RD Williams Parts

CAT 657B

TRB Equipment Company
Hacienda Heights, California

CAT 657B

SUKUT EQUIPMENT & PARTS
San Bernardino, California