7N718 DISCONNECT SWITCH ASSEMBLY PART OF 8G3018 BATTERY & WIRING GROUP SHOWN ON PAGE 73 973 TRACK LOADER

ELECTRICAL AND STARTING SYSTEM

SWITCH GP

0. 7N-0718 SWITCH AS-

FRAME AND BODY

BOX GP-BATTERY

1. 7P-7675 BATTERY BO

ELECTRICAL AND STARTING SYSTEM

STARTING MOTOR GP

2. 4N-3181 STARTING M
3. 7S-3622 STARTING M
4. 3T-6305 STARTING M
5. 3T-2647 STARTING M
6. 3T-2647 STARTING M
7. 3T-2647 STARTING M
8. 9G-4338 STARTING M
9. 9G-4338 STARTING M
0. INFORMATION

TRACK LOADER 973 TRACK LOADER 26Z
973 LGP TRACK LOADER 26Z00001-UP (MACHINE) POWERED BY 3306 ENGINE SEBP1365 973 26Z (1982)

ELECTRICAL AND STARTING SYSTEM

SWITCH GP

9G-1480 SWITCH GP-HEAT START

7N-0718 SWITCH AS-DISCONNECT

#SEBP13650170

7N-0718: SWITCH AS-DISCONNECT

SWITCH AS-DISCONNECT

7N718 DISCONNECT SWITCH ASSEMBLY
PART OF 8G3018 BATTERY & WIRING GROUP SHOWN ON PAGE 73

c231914 SEBP1365

7N0718 SWITCH AS-DISCONNECT Parts scheme

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8H-5306	[1]	KEY
2.	8H-5303	[1]	NUT-HEX
3.	2H-3922	[1]	LOCKWASHER
4.	7F-7259	[4]	LOCKWASHER
5.	6F-7045 C	[2]	NUT-FULL
6.	6L-1962 C	[2]	NUT-JAM
	C		CHANGE FROM PREVIOUS TYPE

#SEBP13650171

7P-7675: BATTERY BOX GP

BATTERY BOX GP

7P7675 BATTERY BOX GROUP. SERIAL NO. 26Z149 & 26Z152-UP

c307848 SEBP1365

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8G-2327 C	[2]	HOLD DOWN ASSEM.
2.	2D-6235 C	[6]	LOCKNUT
	5P-4115 C	[6]	WASHER
3.	8G-0868	[2]	PLATE ASSEM.
			(EACH INCLUDES)
4.	5P-5014	[6]	STUD
5.	1D-4717	[12]	NUT
	5M-2894	[12]	WASHER
6.	7P-9501	[1]	BOX ASSEM. (R.H.)
	7P-9502	[1]	BOX ASSEM. (L.H.)
			(EACH BOX ASSEM. INCLUDES)
7.	1K-3019	[2]	SPACER
8.	7M-6492	[2]	HINGE
9.	5V-0625	[6]	BOLT
10.	1D-4566	[4]	BOLT
11.	5P-8245	[8]	WASHER
12.	0S-1621	[4]	BOLT
	C		INDICATES CHANGE

#SEBP13650172

4N-3181: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

4N3181 ELECTRIC STARTING MOTOR GROUP-24 VOLT*R
PART OF 7S3622 ELECTRIC STARTING MOTOR

SEBP13650172 SEBP1365

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name



9G-4338 Y	[1]	STARTING MOTOR GP-ELECTRIC-PRESTOLITE

		-OR-

3T-2647 Y	[1]	STARTING MOTOR GP-ELECTRIC-DELCO-REMY

		-OR-

8C-3651 Y	[1]	STARTING MOTOR GP-ELECTRIC-DELCO-REMY

		-OR-

3T-6305 Y	[1]	STARTING MOTOR GP-ELECTRIC
Y		SEPARATE ILLUSTRATION

#SEBP13650173

7S-3622: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

7S3622 ELECTRIC STARTING MOTOR GROUP-24 VOLT
4N3181 ELECTRIC STARTING MOTOR PARTS ARE LISTED ON PAGE 80

c304575 SEBP1365

7S3622 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-3181 RY	[1]	MOTOR GROUP
			(Separate Illustration)
2.	7J-8902	[3]	BOLT
	8D-5054	[3]	WASHER 2.77mm (.109in.)thick
3.	4H-7869	[1]	GASKET
4.	9F-4337	[1]	WIRE ASSEM.
			(Includes)
	5P-5675 CD		WIRE .3m(11.8 in.)
5.	2L-8054	[1]	TERMINAL (ground)
6.	2L-8052	[1]	TERMINAL
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE
	D		ORDER BY THE METER

#SEBP13650174

3T-6305: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

3T6305 ELECTRIC STARTING MOTOR GROUP-24 VOLT
PART OF 4N3181 ELECTRIC STARTING MOTOR

c406219 SEBP1365

3T6305 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-7022	[1]	HOUSING AS-DRIVE
2.	3B-4508 C	[1]	LOCKWASHER
3.	3T-0863	[1]	LEVER-SHIFT
4.	3T-0864	[1]	HOUSING AS-LEVER
	3T-0842	[1]	BEARING AS
5.	3T-0868	[1]	SOLENOID AS
6.	1D-4719	[3]	NUT
7.	3T-7021	[1]	PLATE-BRAKE
8.	3T-7020	[1]	WASHER
9.	3T-0847	[4]	SCREW
	3T-0851	[4]	LOCKNUT
10.	3T-0867	[1]	ARMATURE AS
11.	3T-0865	[1]	COIL AS-FIELD
12.	3T-7024 M	[4]	SCREW
	4B-4674	[4]	WASHER
13.	3T-0850 M	[8]	SCREW
14.	3T-0849 M	[12]	BOLT-SOCKET HEAD
15.	3T-0853 CM	[1]	NUT
16.	3T-0858	[4]	SPRING-BRUSH
17.	3T-0848 M	[4]	SCREW
18.	3T-0862	[1]	PLATE AS-BRUSH
19.	3T-4716	[1]	WIRE AS
	5P-5621 BD		WIRE (12 GA)
	2L-8071	[1]	TERMINAL (LARGE)
	2L-8067	[1]	TERMINAL (SMALL)
20.	4N-4517	[1]	DRIVE AS-MOTOR
21.	3T-7025	[1]	COVER-END
22.	4B-2049	[1]	NUT
	3B-4502	[1]	LOCKWASHER
	3T-5962 F	[1]	PLATE-IDENTIFICATION
	2H-3880 F	[2]	SCREW-DRIVE

			THE FOLLOWING REPAIR
			KITS ARE AVAILABLE:
	3T-0844	[1]	KIT-BRUSH
			(INCL BRUSHES)
	3T-2768	[1]	KIT-SEAL
			(INCL SEALS & RINGS)
	3T-2769	[1]	KIT-HARDWARE
			(INCL WIRE AS, BAR,
			WASHERS, LOCKWASHERS,
			BUSHING & NUTS)
	3T-7017	[1]	KIT-BEARING
			(INCL SEAL, BEARINGS
			& SPACERS)
	7T-2339 C		KIT-LEVER
			(INCL SEALS, CLIP
			& LEVER)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	D		ORDER BY THE METER
	F		NOT SHOWN
	M		METRIC PART

#SEBP13650175

3T-2647: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

3T2647 ELECTRIC STARTING MOTOR GROUP-24 VOLT-DELCO-REMY-PART 1 OF 3
PART OF 4N3181 ELECTRIC STARTING MOTOR GROUP LISTED ON PAGE 80
3T4704 SOLENOID PARTS ARE SHOWN ON PAGE 86A

c310407 SEBP1365

3T2647 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3T-3422	[1]	WIRE ASSEM.
	5P-5621 D		WIRE- .23M(9.06IN.)
	2L-8071	[1]	TERMINAL (LARGE)
	2L-8066	[1]	TERMINAL (SMALL)
2.	3L-3380 C	[1]	BUSHING
3.	3H-3680 C	[4]	NUT
4.	4B-4280 C	[4]	WASHER
5.	036-9823	[4]	BOLT
6.	9B-0453 C	[1]	LOCKWASHER
7.	3T-4701	[1]	FRAME ASSEM.
8.	9G-4513	[1]	BUSHING
9.	3T-3424	[1]	PLUG
10.	3T-3423	[1]	CUP
11.	7F-3491	[2]	WASHER
12.	4M-0189	[1]	SEAL
13.	8F-5368	[1]	WASHER
14.	3T-3106	[3]	SCREW ASSEM.
15.	8H-1141	[4]	SHOE
16.	6H-3622	[4]	SCREW
17.	2N-3145	[1]	INSULATOR
18.	4M-1839	[1]	COIL ASSEM.
19.	3F-0379	[8]	SCREW
20.	7L-2894	[2]	GASKET
21.	4M-1831	[2]	PLUG
22.	9H-3757	[2]	WASHER
23.	3T-4704 CY	[1]	SOLENOID ASSEM.
24.	4M-1841	[1]	CONNECTOR
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION
	D		ORDER BY THE METER

#SEBP13650176

3T-2647: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

3T2647 ELECTRIC STARTING MOTOR GROUP-24 VOLT-DELCO-REMY-PART 2 OF 3
PART OF 4N3181 ELECTRIC STARTING MOTOR GROUP LISTED ON PAGE 80

c236856 SEBP1365

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4M-1868	[1]	ARMATURE ASSEM.
2.	3T-4703	[4]	BRUSH ASSEM.
3.	9S-2542	[6]	SCREW
4.	3T-4705	[1]	PLATE ASSEM.
			(Includes)
5.	3T-4706	[1]	INSULATOR
6.	3T-4711	[8]	SCREW ASSEM.
7.	2L-6679	[2]	PLATE
8.	3T-4712	[4]	HOLDER ASSEM.
9.	3T-4710	[2]	PLATE
10.	3T-4709	[2]	PLATE
11.	7F-3525	[4]	WASHER

#SEBP13650177

3T-2647: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

3T2647 ELECTRIC STARTING MOTOR GROUP-24 VOLT-DELCO-REMY-PART 3 OF 3
PART OF 4N3181 ELECTRIC STARTING MOTOR GROUP LISTED ON PAGE 80

c236857 SEBP1365

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9M-7606	[1]	PLUNGER ASSEM.
2.	1L-4789	[5]	LOCKWASHER
3.	036-9823	[5]	BOLT
4.	2D-6392	[1]	SEAL
5.	4M-1854	[1]	SHAFT
6.	4M-1851	[1]	GASKET
7.	1H-1023	[1]	SEAL
8.	3T-4702	[1]	HOUSING ASSEM.
			(Includes)
9.	3T-3423	[1]	CUP
10.	3T-3424	[1]	PLUG
11.	9G-9817	[1]	BUSHING
12.	2F-6678	[1]	SEAL
13.	3T-3433	[1]	PLUG
14.	4L-2729	[1]	WASHER
15.	1M-9971	[1]	SPACER
16.	036-9821	[1]	WASHER
17.	7L-2894	[1]	GASKET
18.	4M-1831	[1]	PLUG
19.	3T-4700	[1]	HOUSING ASSEM.
			(Includes)
20.	3T-3423	[1]	CUP
21.	3T-3424	[1]	PLUG
22.	9G-9818	[1]	BUSHING
23.	4M-1828	[1]	RETAINER
24.	4M-1833	[5]	SCREW 38mm(1.50 in.)long
	7M-0336	[1]	SCREW 22mm(.875 in.)long
25.	6N-3827	[1]	DRIVE ASSEM.
26.	4M-1829	[1]	BOOT
27.	9M-7609	[1]	SPRING
28.	4M-1827	[1]	RETAINER
29.	9M-7611	[2]	RING
30.	4M-1853	[1]	LEVER ASSEM.
31.	5M-3034	[1]	LOCKNUT

#SEBP13650178

9G-4338: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9G4338 STARTING MOTOR GP-ELECTRIC-PART 1 OF 2
24 VOLT-PRESTOLITE
3T8635-PAGE 86D
PART OF 4N3181 STARTING MOTOR

c355385 SEBP1365

9G4338 STARTING MOTOR GP-ELECTRIC Parts scheme

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1D-5117 C	[1]	NUT-JAM
2.	3B-4508 C	[3]	LOCKWASHER
3.	4N-9405	[1]	CONNECTOR
4.	4N-9404	[1]	LEAD AS
5.	2P-8819	[1]	KIT-TERMINAL STUD (STUD-FIELD TERMINAL)
			(INCLUDES STUD, BUSHING
			AND WASHERS)
6.	1D-4719 C	[4]	NUT
7.	3T-8635 CY	[1]	SOLENOID AS
8.	6H-3622	[4]	SCREW-MACHINE
	3B-4504	[4]	LOCKWASHER
	3K-6116	[4]	WASHER
9.	4M-3217 C	[2]	SCREW
10.	4B-1220	[3]	SCREW-MACHINE
11.	8S-1553	[1]	GASKET
12.	3B-4502 C	[4]	LOCKWASHER
13.	1P-7831	[1]	HEAD AS-END (COMMUTATOR END)
14.	2B-4602	[1]	PLUG-PIPE (BEARING & WICK)
15.	1P-7832	[4]	KIT-BEARING & WICK
16.	4N-9403	[1]	KIT-TERMINAL STUD (STUD-COMMUTATOR END)
			(INCLUDES STUD, BUSHING
			AND WASHERS)
			& WASHERS)
17.	9L-9850 C	[2]	SCREW-MACHINE
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP13650179

9G-4338: STARTING MOTOR GP-ELECTRIC

STARTING MOTOR GP-ELECTRIC

9G4338 STARTING MOTOR GP-ELECTRIC-PART 2 OF 2
24 VOLT-PRESTOLITE
PART OF 4N3181 STARTING MOTOR

c355386 SEBP1365

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Parts for your 973 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-8822	[1]	PLATE AS-BRUSH
2.	4N-9401	[1]	KIT-BRUSH
			(INCLUDES 6 BRUSHES)
	2P-8868	[1]	KIT-SPRING
			(INCLUDES 8 SPRINGS)
3.	2P-8825	[1]	YOKE AS-SHIFT
4.	2P-8817	[1]	KIT-YOKE ADJUSTING
			(INCLUDES PLUGS, PIN,
			GASKET AND NUT)
5.	8S-1535	[1]	KIT-PLUG
			(INCLUDES 6 PLUGS)
6.	4N-9402	[1]	KIT-INSULATION
			(INCLUDES 10 INSULATIONS)
7.	9G-5854	[1]	HOUSING AS-DRIVE (PINION)
8.	9F-2247 C	[1]	PLUG
9.	8S-4684	[1]	KIT-BEARING & WICK
10.	8S-4680	[1]	KIT-SEAL
			(INCLUDES 10 SEALS)
11.	3T-8572 C	[1]	DRIVE AS-MOTOR
12.	2H-3931	[1]	SEAL-O-RING
13.	2P-8824	[1]	HOUSING AS
	2B-4602	[1]	PLUG-PIPE
14.	8S-2226	[1]	BUSHING
15.	8S-2225	[1]	SEAL-LIP TYPE
16.	4M-0189	[1]	SEAL-O-RING
17.	0L-1340	[7]	BOLT
	2P-8816	[1]	KIT-MOUNTING
			(INCLUDES BOLTS)
18.	8S-1546	[1]	ARM AS
	8S-8075	[1]	KIT-THRUST WASHER (WASHER)
			(INCLUDES THRUST WASHERS)
19.	2P-8818 C	[1]	KIT-FIELD COIL
			(INCLUDES COILS, GASKETS
			AND SCREWS)
	3T-5962 CF	[1]	PLATE-IDENTIFICATION
	2H-3880 CF	[2]	SCREW-DRIVE (PLATE)
	C		CHANGE FROM PREVIOUS TYPE
	F		NOT SHOWN