CYLINDER HEAD (7N8536 N/S) Effective with Serial No. 44V19299~44V22439 8N1187 Head Group parts are shown on Page 15A 977L

BASIC ENGINE

CYLINDER HEAD GP

0. 7N-8536 CYLINDER H
1. 7N-8536 CYLINDER H
2. 6N-8889 CYLINDER H
3. 2P-6546 FASTENER G
4. 8N-1187 CYLINDER H
5. 7N-9536 FASTENER G
6. 2P-6530 COVER GP-C

LIFTING GP-ENGINE

7. 6N-8326 LIFTING GP
8. 6N-8326 LIFTING GP

VALVE MECHANISM GP

9. 2P-6526 VALVE-MECH
0. INFORMATION

TRACK LOADER 977L TRACK LOADER 95X
977L TRACK TYPE LOADER 95X00001-UP (MACHINE) POWERED BY 3306 ENGINE XMBP9780 977L 95X (1980)

BASIC ENGINE

CYLINDER HEAD GP

2P-6486 CYLINDER HEAD GP

7N-8536 CYLINDER HEAD GP

6N-8889 CYLINDER HEAD AS

2P-6546 FASTENER GP-CYLINDER HEAD

8N-1187 CYLINDER HEAD GP

7N-9536 FASTENER GP-CYLINDER HEAD

2P-6530 COVER GP-CYLINDER HEAD

#XMBP97800020

7N-8536: CYLINDER HEAD GP

CYLINDER HEAD GP

CYLINDER HEAD (7N8536 N/S)
Effective with Serial No. 44V19299~44V22439
8N1187 Head Group parts are shown on Page 15A

j19023e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-7144	[12]	SPRING
2.	5S-5874	[12]	ROTOCOIL ASSEM.
3.	2A-4429	[24]	LOCK
4.	8N-1187 RY	[1]	HEAD GROUP
			(See Separate Illustration)
5.	5M-2667	[6]	GASKET (4.93mm Thick)
	2S-8959	[6]	GASKET (5.66mm Thick)
	2S-8960	[6]	GASKET (6.30mm Thick)
6.	7S-3206	[6]	SEAL
7.	8S-3970	[6]	CHAMBER ASSEM.
8.	6N-7263	[1]	GASKET
9.	5S-6452	[6]	VALVE (Intake)
10.	5S-7232	[6]	VALVE (Exhaust)
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#XMBP97800021

7N-8536: CYLINDER HEAD GP

CYLINDER HEAD GP

CYLINDER HEAD (7N8536 N/S)
Effective with Serial No. 44V22440-UP
8N1187 Head Group parts are shown on Page 15A

j20388e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-7144	[12]	SPRING
2.	8N-7782 C	[12]	ROTOCOIL ASSEM.
3.	2A-4429	[24]	LOCK
4.	8N-1187 RY	[1]	HEAD GROUP
			(See Separate Illustration)
5.	5M-2667	[6]	GASKET (4.93mm Thick)
	2S-8959	[6]	GASKET (5.66mm Thick)
	2S-8960	[6]	GASKET (6.30mm Thick)
6.	7S-3206	[6]	SEAL
7.	8S-3970	[6]	SHAMBER ASSEM.
8.	7N-7999 C	[1]	GASKET
9.	5S-6452	[6]	VALVE (Intake)
10.	5S-7232	[6]	VALVE (Exhaust)
11.	3S-5496 C	[1]	SEAL
12.	7N-8018 C	[6]	SEAL
13.	7N-8025 C	[18]	SEAL
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#XMBP97800022

6N-8889: CYLINDER HEAD AS

CYLINDER HEAD AS

6N8889 CYLINDER HEAD ASSEMBLY
Effective with Serial No. 44V15267~44V19298
Part of Cylinder Head

j13268e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-3062	[18]	DIRECTOR
2.	2B-0858	[3]	PLUG
3.	3B-0623	[6]	PLUG
4.	3S-8313	[8]	PLUG
5.	1P-6367	[1]	COVER
6.	5S-6735	[1]	GASKET
7.	0S-1594	[4]	BOLT
	3B-4506	[4]	LOCKWASHER
8.	2P-1262	[12]	GUIDE
9.		[1]	HEAD ASSEM.
10.	5S-7218	[6]	INSERT (Intake)
11.	5S-7221	[6]	INSERT (Exhaust)

#XMBP97800023

2P-6546: FASTENER GP-CYLINDER HEAD

FASTENER GP-CYLINDER HEAD

CYLINDER HEAD FASTENER (2P6546 N/S)
Effective with Serial No. 44V15267~44V22436

j14079e XMBP9780

2P6546 FASTENER GP-CYLINDER HEAD Parts scheme

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1A-5183	[6]	BOLT
	5B-3850	[6]	WASHER
2.	1B-7709	[6]	BOLT (Location X)
3.	2S-0736	[26]	WASHER
4.	1D-4595	[20]	BOLT

#XMBP97800024

8N-1187: CYLINDER HEAD GP

CYLINDER HEAD GP

8N1187 CYLINDER HEAD GROUP
Effective with Serial No. 44V19299-UP
Part of Cylinder Head

j19025e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3S-8313	[8]	PLUG (32.08mm O.D.)
2.	2P-1262	[12]	GUIDE
3.	3B-0623	[6]	PLUG (25.73mm O.D.)
4.	2B-0858	[3]	PLUG
5.	1P-6367	[1]	COVER
	5S-6735	[1]	GASKET
6.	0S-1594	[4]	BOLT
	5M-2894	[4]	WASHER
7.	7N-2597	[1]	SPACER
8.	1S-3062	[18]	DIRECTOR
9.	5S-7221	[6]	INSERT (Exhaust)
10.	5S-7218	[6]	INSERT (Intake)

#XMBP97800025

7N-9536: FASTENER GP-CYLINDER HEAD

FASTENER GP-CYLINDER HEAD

CYLINDER HEAD FASTENER (7N9536 N/S)
Effective with Serial No. 44V22437-UP

j19929e XMBP9780

7N9536 FASTENER GP-CYLINDER HEAD Parts scheme

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5B-9603	[7]	BOLT
2.	1B-7709	[5]	BOLT (Location X)
3.	2S-0736	[25]	WASHER
4.	1D-4595	[20]	BOLT

#XMBP97800026

2P-6530: COVER GP-CYLINDER HEAD

COVER GP-CYLINDER HEAD

CYLINDER HEAD COVER (2P6530 N/S)
Effective with Serial No. 44V15267-UP

j16463e XMBP9780

2P6530 COVER GP-CYLINDER HEAD Parts scheme

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1P-6367	[1]	COVER
	5S-6735	[1]	GASKET
2.	0S-1594	[4]	BOLT
3.	5M-2894	[4]	WASHER

#XMBP97800027

6N-8326: LIFTING GP

LIFTING GP

ENGINE LIFTING (6N8326 N/S)
Effective with Serial No. 44V15267~44V22439

j14194e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1595	[4]	BOLT
	2M-0849	[4]	WASHER
2.	6N-7650	[2]	PLATE

#XMBP97800028

6N-8326: LIFTING GP

LIFTING GP

ENGINE LIFTING (6N8326 N/S)
Effective with Serial No. 44V22440-UP

j19537e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-1999	[4]	BOLT
	8D-5054	[4]	WASHER
2.	8N-8721	[2]	PLATE

#XMBP97800029

2P-6526: VALVE-MECHANISM GP

VALVE-MECHANISM GP

VALVE MECHANISM (2P6526 N/S)
Effective with Serial No. 44V15267~44V21551

j9194e XMBP9780

For full view, you need register

Parts for your 977L TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-9203	[1]	SHAFT ASSEM.
	0L-1026	[2]	PLUG (13mm Diameter)
2.	5S-5879	[1]	BRACKET
	5M-4606	[1]	DOWEL
3.	4B-4910	[5]	SPRING
4.	9H-1110	[12]	WASHER
5.	5S-5879	[4]	BRACKET
6.	5S-6855	[6]	ARM ASSEM. (Exhaust)
	6B-7067	[1]	BEARING
7.	5S-6854	[6]	ARM ASSEM. (Intake)
	6B-7067	[1]	BEARING
8.	8S-1499	[1]	BRACKET ASSEM.
	1L-5072	[1]	DOWEL
9.	9M-9886	[2]	WASHER
	9H-1112	[2]	SPRING
10.	1B-4203	[12]	NUT
11.	5S-5917	[12]	SCREW
12.	5S-5918	[12]	ROD
13.	7S-3161	[12]	LIFTER
14.	9H-1113	[2]	RING