GLOW PLUG AND WIRING (5S8501 N/S) 977K TRACK LOADER

ELECTRICAL AND STARTING SYSTEM

GLOW PLUG GP

0. 5S-8501 GLOW PLUG

ALTERNATOR GP-CHARGING

1. 8S-5152 ALTERNATOR
2. 8S-5152 ALTERNATOR
3. 9S-4070 ALTERNATOR
4. 2P-1204 ALTERNATOR

STARTING MOTOR GP

5. 9M-1662 ELECTRIC S
6. 9M-1662 ELECTRIC S
7. 1P-7838 MOTOR GROU
8. 1P-7838 MOTOR GROU
9. 1P-7838 MOTOR GROU
0. INFORMATION

TRACK LOADER 977K TRACK LOADER 48J
977L TRAXCAVATOR 48J00586-01058 (MACHINE) UEH0574S 977K 48J (1968)

ELECTRICAL AND STARTING SYSTEM

GLOW PLUG GP

5S-8501 GLOW PLUG GP

#UEH0574S0070

5S-8501: GLOW PLUG GP

GLOW PLUG GP

GLOW PLUG AND WIRING (5S8501 N/S)

c113565 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2H-3755	[ 3]	BOLT
	3B-4505	[ 3]	LOCKWASHER
	4B-4277	[ 3]	WASHER
2.	5S-8479	[ 1]	LEAD ASSEM.
3.	1P-7324	[ 6]	GLOW PLUG

#UEH0574S0071

8S-5152: ALTERNATOR

ALTERNATOR

ALTERNATOR (8S5152 N/S)--24 Volt, 19 Ampere
Serial No. 48J586 to 48J728 inclusive
9S4070 Alternator parts are shown on Page 48B

c111531 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-4029	[1]	WIRE ASSEM.
2.	7F-9224	[2]	TERMINAL
	2D-3981	[2]	INSULATOR
			(Parts of 9S4029 Assem.)
3.	4D-4785	[1]	SWITCH ASSEM.
4.	3B-8822	[1]	ELBOW
5.	8S-4183	[1]	STRAP
6.	0S-1585	[1]	BOLT (1.5" long)
7.	3B-4508	[2]	LOCKWASHER
8.	8M-4791	[3]	WASHER
9.	0S-1595	[1]	BOLT (1.25" long)
10.	9S-6129	[1]	PULLEY
11.	9S-4070 Y	[1]	ALTERNATOR ASSEM.
			(See Separate Illustration)
12.	9S-1240	[1]	NUT ASSEM.
13.	7S-6723	[1]	BRACKET
14.	0S-1571	[1]	BOLT (1.75" long)
15.	3B-4506	[2]	LOCKWASHER
16.	0S-1619	[1]	BOLT (3" long)
17.	9S-4146	[1]	WIRE ASSEM.
	6B-2759	[1]	TERMINAL (.38" Screw)
	1F-7240	[1]	TERMINAL (No. 10 Screw)
	7B-4826	[2]	INSULATOR
			(Parts of 9S4146 Assem.)
18.	1D-4574	[1]	BOLT (6" long)
	Y		SEPARATE ILLUSTRATION

#UEH0574S0072

8S-5152: ALTERNATOR

ALTERNATOR

ALTERNATOR (8S5152 N/S)--24 Volt, 19 Ampere
Serial No. 48J729-Up
2P1204 Alternator parts are shown on Page 49

c113417 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-1204 Y	[1]	ALTERNATOR ASSEM.
			(See Separate Illustration)
2.	0S-1619	[1]	BOLT (3" long)
3.	1D-4574	[1]	BOLT (6" long)
4.	4D-0674	[1]	WIRE ASSEM.
	6B-2759	[1]	TERMINAL (.406" hole)
	1F-7240	[1]	TERMINAL (No. 10 Screw)
	7B-4826	[2]	INSULATOR
5.	8S-4183	[1]	STRAP
6.	0S-1585	[1]	BOLT (1.5" long)
7.	3B-4508	[2]	LOCKWASHER
8.	8M-4791	[3]	WASHER
9.	0S-1595	[1]	BOLT (1.25" long)
10.	9S-6129	[1]	PULLEY
11.	3B-4506	[2]	LOCKWASHER
12.	9S-1240	[1]	NUT ASSEM.
13.	7S-6723	[1]	BRACKET
14.	0S-1571	[1]	BOLT (1.75" long)
	Y		SEPARATE ILLUSTRATION

#UEH0574S0073

9S-4070: ALTERNATOR ASSEMBLY

ALTERNATOR ASSEMBLY

9S4070 ALTERNATOR ASSEMBLY--24 Volt, 19 Ampere
Serial No. 48J586 to 48J728 inclusive
Part of Alternator shown on Page 48

c114546 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1P-1135	[3]	SCREW
2.	9S-2329 H	[1]	REGULATOR ASSEM.
	3K-6234	[1]	SCREW
	4B-4863	[1]	WASHER
3.	7S-7182	[1]	BOOT
4.	2L-8076	[2]	TERMINAL
5.	2L-8077	[1]	TERMINAL
6.	1P-1091 J	[1]	KIT (Reg. Mounting Plate & Gasket)
7.	1P-1145	[1]	HOLDER ASSEM.
	1P-1137	[1]	HOLDER
8.	4B-2049	[3]	NUT
	3B-4502	[3]	LOCKWASHER
9.	4B-4274	[1]	WASHER
10.	1P-1138	[1]	FIELD TERMINAL & PLATE ASSEM
11.	5S-4245	[2]	SCREW
	6B-4542	[2]	LOCKWASHER
12.	1P-1130 J	[1]	KIT (2 Brushes)
13.	5H-8548	[4]	SCREW ASSEM.
14.	1P-1090 J	[1]	KIT (3 Gaskets)
15.	1P-1080 J	[1]	KIT (Retainer and seals)
16.	1P-1129 J	[1]	KIT
			(Terminal Stud and Hardware)
17.	1P-1078	[1]	RECTIFIER & STATOR ASSEM.
18.	1P-1076	[1]	PLATE & RECTIFIER ASSEM.
			(Positive)
	1P-1077	[1]	PLATE & RECTIFIER ASSEM.
			(Negative)
19.	1P-1185	[1]	ROTOR ASSEM.
20.	1B-8705	[1]	KEY
21.	3B-4502	[8]	LOCKWASHER
22.	1P-1223	[2]	HEAD ASSEM.
	6D-9953	[2]	PIN
23.	5M-6755	[3]	SCREW
24.	1B-5387	[1]	BEARING
25.	1P-1084 J	[1]	KIT (Retainer and Seal)
			(Seal and 3 Retainers)
26.	1P-1082	[1]	SPACER
27.	5H-6467	[1]	SCREW
28.	3B-4511	[1]	LOCKWASHER
29.	1P-1131 J	[1]	KIT (Shaft Parts-Nut & Lockwasher)
30.	2L-0611	[1]	BEARING
31.	1P-1134	[1]	RACE
32.	1P-1086 J	[1]	KIT (Frame Screw-4 Screws)
33.	1P-1079	[1]	HEAD ASSEM.
34.	1P-1088 J	[1]	KIT (2 Brush Springs)
35.	2P-2232 C	[1]	GASKET
			7S5897 ALTERNATOR ASSEM. CONSISTS OF ALL PARTS EXCEPT THOSE MARKED BY H. REPAIR KITS ARE AVAILABLE MARKED J
	C		INDICATES CHANGE

#UEH0574S0074

2P-1204: ALTERNATOR GP

ALTERNATOR GP

2P1204 ALTERNATOR GROUP--24 Volt, 19 Ampere
Serial No. 48J729-Up
Part of 8S5152 Alternator Group shown on Page 48A

c218595 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	031-0243	[3]	SCREW
2.	6N-3821 C	[1]	REGULATOR ASSEM.
	3K-6234	[1]	SCREW
	4B-4863	[1]	WASHER
3.	009-8708	[2]	BOOT
4.	2L-8076	[1]	TERMINAL
5.	2L-8077	[1]	TERMINAL
6.	1P-1091 J		KIT (Reg. Mounting Plate and Gasket)
7.	1P-1145	[1]	HOLDER ASSEM.
	1P-1137	[1]	HOLDER
8.	4B-2049	[4]	NUT
	3B-4502	[4]	LOCKWASHER
9.	1P-1138	[1]	FIELD TERMINAL AND PLATE ASSEM.
10.	5S-4245	[2]	SCREW
	6B-4542	[2]	LOCKWASHER
11.	4B-4274	[1]	WASHER
12.	1P-1130 J	[1]	KIT (2 Brushes)
13.	032-4000 C	[4]	SCREW
14.	2P-1714 J	[1]	KIT (4 Gaskets)
15.	1P-1080 J	[1]	KIT (Retainer and Seals)
16.	6N-6717 CJ	[1]	KIT (Terminal Stud and Insulator)
17.	2P-1709	[1]	RECTIFIER AND STATOR ASSEM.
18.	2P-1719	[1]	PLATE AND RECTIFIER ASSEM. (Positive)
	2P-1720	[1]	PLATE AND RECTIFIER ASSEM. (Negative)
19.	6N-1226 C	[1]	ROTOR ASSEM.
20.	1B-8705	[1]	KEY
21.	3B-4502	[10]	LOCKWASHER
22.	6N-5255 C	[1]	HEAD ASSEM.
23.	6D-9953	[2]	PIN
24.	5L-6326 C	[1]	BEARING
25.	2P-1713 J	[1]	KIT (Retainer, Seal and Spacer)
26.	017-2311	[3]	SCREW
27.	9M-5520	[1]	SCREW
28.	3B-4511	[1]	LOCKWASHER
29.	1P-1131 J	[1]	KIT (Shaft Parts-Nut and Lockwasher)
30.	2L-0611	[1]	BEARING
31.	1P-1134	[1]	RACE
32.	6N-5257 CJ	[1]	KIT (Frame Screw-4 Screws)
33.	6N-5254 C	[1]	HEAD ASSEM.
34.	3B-4507	[2]	LOCKWASHER 11.11 mm(.4375 in.)I.D.
	3B-4504	[2]	LOCKWASHER 6.35 mm(.25 in.)I.D.
35.	1D-4718	[2]	NUT 11.11 mm(.4375 in.)I.D
	9M-1311	[2]	NUT 6.35 mm(.25 in.)I.D.
36.	1P-1088 J	[1]	KIT (2 Brush Springs)
37.	2P-6261 C	[2]	INSULATOR
38.	2H-6139	[4]	LOCKWASHER
	C		INDICATES CHANGE
	J		REPAIR KITS AVAILABLE

#UEH0574S0075

9M-1662: ELECTRIC STARTING MOTOR ASSEMBLY

ELECTRIC STARTING MOTOR ASSEMBLY

9M1662 ELECTRIC STARTING MOTOR ASSEMBLY--24 Volt--Part 1 of 2
Serial No. 48J586 to 48J589, 591 to 598, 600 to 604, 606 to 613, 615 to 640, 654 and 48J663 to
48J705 inclusive. Part of 7S3622 Starting Motor Group shown on Page 52. 4M1812 Switch parts
are shown on Page 52

c203073 UEH0574S

9M1662 ELECTRIC STARTING MOTOR ASSEMBLY Parts scheme

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
7F-4546	[4]	HOLDER
7F-4545	[1]	PLATE
4B-1311	[2]	SCREW
3B-4502	[2]	LOCKWASHER
9M-7652 C	[1]	PLATE ASSEM.
7F-4549	[2]	PLATE
7F-3512	[8]	SPRING
7F-3524	[2]	SCREW
3B-4502	[2]	LOCKWASHER
		(PARTS OF PLATE ASSEM. 4M1846)
1D-5117	[2]	NUT
3B-4508	[1]	LOCKWASHER
7F-3494	[1]	WASHER (.031" THICK)
9H-3757	[2]	WASHER (.093" THICK)
4M-1841	[1]	CONNECTOR
7F-4556	[4]	BOLT
1L-4789	[4]	LOCKWASHER
4M-1849	[1]	LEAD ASSEM.
4M-1846	[1]	PLATE ASSEM.
3B-4508	[2]	LOCKWASHER
7F-3494	[1]	WASHER
1D-4719	[1]	NUT
1D-5117	[1]	NUT
4M-1848	[1]	INSULATOR
4M-1831 C	[2]	PLUG
4M-1832 C	[2]	GASKET
3F-0379	[8]	SCREW
7F-4548	[2]	PLATE
7F-4550	[1]	PLATE
5H-6467	[2]	SCREW
3B-4502	[2]	LOCKWASHER
7F-3522	[2]	SCREW
3B-4502	[2]	LOCKWASHER
7F-3525	[8]	BUSHING
2L-6679	[2]	PLATE
		(PARTS OF PLATE ASSEM. 4M1846)
4M-1812 Y	[1]	SWITCH ASSEM.
		(SEPARATE ILLUSTRATION)
6H-3622	[4]	SCREW
4M-1831	[1]	PLUG
4M-1832	[1]	GASKET
4M-1896	[1]	BUSHING
		(PART OF HOUSING ASSEM. 1S297)
1S-0297	[1]	HOUSING ASSEM.
7F-4556	[5]	BOLT
1L-4789	[5]	LOCKWASHER
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#UEH0574S0076

9M-1662: ELECTRIC STARTING MOTOR ASSEMBLY

ELECTRIC STARTING MOTOR ASSEMBLY

9M1662 ELECTRIC STARTING MOTOR ASSEMBLY--24 Volt--Part 2 of 2
Serial No. 48J586 to 48J589, 591 to 598, 600 to 604, 606 to 613, 615 to 640, 654 and 48J663 to
48J705 inclusive. Part of 7S3622 Starting Motor shown on Page 52

c113191 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-1839	[1]	COIL ASSEM.
3L-3380	[1]	BUSHING
4M-1845	[8]	BRUSH ASSEM.
4B-1220	[2]	SCREW (.312" Long)
2F-2860	[6]	SCREW (.375" Long)
3B-4501	[8]	LOCKWASHER
4B-1221	[3]	SCREW
8H-0878	[3]	LOCKWASHER
7F-3529	[3]	WASHER
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
3S-2398	[1]	BUSHING
7S-9826	[1]	PLUG
		(Parts of Frame Assem. 4M1844)
2L-8166	[1]	WASHER
4M-1847	[1]	BUSHING
4M-1844	[1]	FRAME ASSEM.
7F-3491	[2]	WASHER
8F-9206	[1]	SEAL
4M-1868	[1]	ARMATURE ASSEM.
4M-1840	[1]	INSULATOR
4M-1850	[1]	HOUSING ASSEM.
4M-1828	[1]	RETAINER
2S-4027	[1]	WASHER
4M-1829	[1]	BOOT
8H-1141	[4]	SHOE
9M-7609	[1]	SPRING
4M-1855	[1]	PLUNGER ASSEM.
4M-1827	[1]	RETAINER
2H-3429	[1]	RING
3F-2617	[1]	NUT
4M-1853	[1]	LEVER ASSEM.
4M-1854	[1]	SHAFT
1H-1023	[1]	SEAL (.369" DIAMETER)
2D-6392	[1]	SEAL (.239"DIAMETER)
2H-3429	[1]	RING
8S-8036	[1]	CLUTCH ASSEM.
2B-4602	[1]	PLUG
9F-2547	[1]	WICK
		(PARTS OF HOUSING ASSEM.4M1850)
4M-1851	[1]	GASKET
4M-1833	[5]	SCREW (1.50" LONG)
7M-0336	[1]	SCREW (.86"LONG)
4L-2729	[1]	WASHER
1M-9968	[1]	BUSHING
2F-6678	[1]	SEAL
		(PARTS OF HOUSING ASSEM.4M1850)
1M-9971	[1]	SPACER
4M-0189	[2]	SEAL
1H-2629	[2]	INSULATOR

#UEH0574S0077

1P-7838: MOTOR GROUP

MOTOR GROUP

1P7838 MOTOR GROUP--Delco-Remy--24 Volt--Part 1 of 3
Serial No. 48J590, 599, 605, 614, 641 to 653, 655 to 662 and 48J706 to 48J749 and 48J825 to 48J838 inclusive. Part
of 7S3622 Starting Motor Group shown on Page 52A. 4M1812 Switch parts are shown on Page 52. Only separate parts serviced. When
complete Group is required order 1P7837

c139271 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7F-4556	[4]	BOLT
2.	1L-4789	[4]	LOCKWASHER
3.	4M-1844	[1]	FRAME ASSEM.
4.	7S-9826	[1]	PLUG
5.	3S-2398	[1]	BUSHING
6.	2B-4602	[1]	PLUG
7.	9F-2547	[1]	WICK
8.	2L-8166	[1]	WASHER
9.	4M-1868	[1]	ARMATURE ASSEM.
10.	3L-3380	[1]	BUSHING
11.	4M-1839	[1]	COIL ASSEM.
12.	9H-3757	[2]	WASHER
13.	7F-3494	[1]	WASHER
14.	4M-1841	[1]	CONNECTOR
15.	1D-5117	[2]	NUT
16.	4M-1812 Y	[1]	SWITCH ASSEM.
			(See Separate Illustration)
17.	6H-3622	[4]	SCREW ASSEM.
18.	3B-4508	[1]	LOCKWASHER
19.	3F-0379	[8]	SCREW
20.	4M-1840	[1]	INSULATOR
21.	4M-1831	[2]	PLUG
22.	4M-1832	[2]	GASKET
23.	1H-2629	[2]	STRIP
24.	8H-1141	[4]	SHOE
	Y		SEPARATE ILLUSTRATION

#UEH0574S0078

1P-7838: MOTOR GROUP

MOTOR GROUP

1P7838 MOTOR GROUP--Delco-Remy--24 Volt--Part 2 of 3
Serial No. 48J590, 599, 605, 614, 641 to 653, 655 to 662, 706 to 749 and 48J825 to 48J838 inclusive
Part of 7S3622 Starting Motor Group shown on Page 52A

c203074 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-1849	[1]	LEAD ASSEM.
2.	4M-0189	[1]	SEAL
3.	7F-3529	[3]	WASHER
4.	8H-0878	[3]	LOCKWASHER
5.	4B-1221	[3]	SCREW
6.	4M-1846	[1]	PLATE ASSEM.
7.	7F-3525	[8]	BUSHING
8.	7F-4550	[1]	PLATE
9.	5H-6467	[2]	SCREW
10.	7H-2079	[8]	LOCKWASHER
11.	2L-6679	[2]	PLATE
12.	7F-4546	[4]	HOLDER
13.	7F-3522	[2]	SCREW
14.	7F-3512	[8]	SPRING
15.	9M-7652 C	[1]	PLATE ASSEM.
16.	7F-4549	[2]	PLATE
17.	4B-1311	[2]	SCREW
18.	7F-4545	[1]	PLATE
19.	3H-3697	[2]	SCREW
20.	2F-2860	[6]	SCREW (.312" long)
	4B-1220	[2]	SCREW (.375" long)
	3B-4501	[8]	LOCKWASHER
21.	4M-1845	[8]	BRUSH ASSEM.
22.	7F-3491	[2]	WASHER
23.	8F-9206	[1]	SEAL
24.	4M-1847	[1]	BUSHING
25.	4M-1848	[1]	INSULATOR
26.	7F-3494	[1]	WASHER
27.	3B-4508	[2]	LOCKWASHER
28.	1D-5117	[1]	NUT
29.	1D-4719	[1]	NUT
	C		INDICATES CHANGE

#UEH0574S0079

1P-7838: MOTOR GROUP

MOTOR GROUP

1P7838 MOTOR GROUP--Delco-Remy--24 Volt--Part 3 of 3
Serial No. 48J590, 599, 605, 614, 641 to 653, 655 to 662 and 48J706 to 48J749 and 48J825 to 48J838 inclusive
Part of 7S3622 Starting Motor Group shown on Page 52A. Only separate parts serviced
When complete Group is required order 1P7837

c136639 UEH0574S

For full view, you need register

Parts for your 977K TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-1855	[1]	PLUNGER ASSEM.
2.	2S-4027	[1]	WASHER
3.	4M-1829	[1]	BOOT
4.	4M-1828	[1]	RETAINER
5.	9M-7609	[1]	SPRING
6.	4M-1827	[1]	RETAINER
7.	1H-1023	[1]	SEAL
8.	4M-1850	[1]	HOUSING ASSEM.
9.	9F-2547	[1]	WICK
10.	2B-4602	[1]	PLUG
11.	1M-9968	[1]	BUSHING
12.	2F-6678	[1]	SEAL
13.	2H-3429	[2]	RING
14.	4L-2729	[1]	WASHER
15.	4M-1853	[1]	LEVER ASSEM.
16.	3F-2617	[1]	NUT
17.	4M-1832	[1]	GASKET
18.	4M-1831	[1]	PLUG
19.	1S-0297	[1]	HOUSING ASSEM.
20.	4M-1896	[1]	BUSHING
21.	4M-1833	[5]	SCREW (1.50" long)
	7M-0336	[1]	SCREW (.875" long)
22.	8S-8036	[1]	CLUTCH ASSEM.
23.	4M-1851	[1]	GASKET
24.	4M-1854	[1]	SHAFT
25.	2D-6392	[1]	SEAL
26.	7F-4556	[5]	BOLT
27.	1L-4789	[5]	LOCKWASHER
28.	4M-0189	[1]	SEAL
29.	1M-9971	[1]	SPACER