AIR CLEANER--Dry Type Serial No. 99E1 to 99E4235 inclusive Refer also to Pages 297, 298, 315 and 403 for special parts 12E

AIR INLET AND EXHAUST SYSTEM

AIR CLEANER GP

0. AIR CLEANE
1. AIR CLEANE

MANIFOLD GP-EXHAUST

2. MANIFOLD
3. MANIFOLD

MUFFLER GP

4. 8B-8205 MUFFLER GR

BASIC ENGINE

CYLINDER HEAD GP

5. CYLINDER H
6. CYLINDER H
7. CYLINDER H
8. CYLINDER H
9. CYLINDER H
0. INFORMATION

MOTOR GRADER 12E MOTOR GRADER 99E
NO. 12 MOTOR GRADER 99E00001-04490 (MACHINE) UE034740 12E 99E (1959)

AIR INLET AND EXHAUST SYSTEM

AIR CLEANER GP

AIR CLEANER

7M-0914 AIR FILTER SERVICE INDICATOR GROUP

5M-2734 PRESCREENER GP

#UE0347400020

AIR CLEANER

AIR CLEANER--Dry Type
Serial No. 99E1 to 99E4235 inclusive
Refer also to Pages 297, 298, 315 and 403 for special parts

c80358 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
5M-0387	[1]	AIR CLEANER ASSEM.
5M-0388	[1]	BODY ASSEM.
4M-8047	[1]	ELEMENT SERVICE GROUP
4M-8048	[1]	ELEMENT SERVICE GROUP
4M-6967	[1]	CUP ASSEM.
5M-7482	[2]	ROD ASSEM.
		(PART OF BODY ASSEM. 5M388)
1M-3426	[2]	NUT
		(1 IN EACH ROD ASSEM. 5M7482)
4M-0310	[1]	PRECLEANER
1M-7249	[1]	COVER ASSEM.
1M-7250	[1]	BODY
4M-1485	[1]	GASKET
		(PART OF SERVICE GROUP 4M8048)
1D-4717	[6]	NUT
3B-4506	[6]	LOCKWASHER
9F-2247	[1]	PLUG (PIPE)
7M-1674	[1]	ELEMENT
		(PARTS OF PIPE ASSEM. 4D3038)
4D-3038	[1]	PIPE ASSEM.
5M-0355	[1]	PIPE
		(PART OF PIPE ASSEM. 4D3038)
0S-1588	[4]	BOLT
3B-4506	[4]	LOCKWASHER
9H-5829	[1]	GASKET

#UE0347400021

AIR CLEANER

AIR CLEANER--Dry Type
Effective with Serial No. 99E4236
Refer also to Pages 298, 315 and 403 for special parts

c81790 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
5M-0387	[1]	AIR CLEANER ASSEM.
5M-0388	[1]	BODY ASSEM.
4M-8047	[1]	ELEMENT SERVICE GROUP
4M-8048	[1]	ELEMENT SERVICE GROUP
4M-6967	[1]	CUP ASSEM.
5M-7482	[2]	ROD ASSEM.
		(PART OF BODY ASSEM. 5M388)
1M-3426	[2]	NUT
		(1 IN EACH ROD ASSEM. 5M7482)
4M-0310	[1]	PRECLEANER
1M-7249	[1]	COVER ASSEM.
1M-7250	[1]	BODY
4M-1485	[1]	GASKET
		(PART OF SERVICE GROUP 4M8048)
1D-4717	[6]	NUT
3B-4506	[6]	LOCKWASHER
9F-2247	[1]	PLUG (PIPE)
7M-1674	[1]	ELEMENT
		(PARTS OF PIPE ASSEM. 4D3038)
4D-3038	[1]	PIPE ASSEM.
5M-0355	[1]	PIPE
		(PART OF PIPE ASSEM. 4D3038)
0S-1588	[4]	BOLT (1.25" LONG)
		-OR-
0S-1591	[4]	BOLT (1.50" LONG)
3B-4506	[4]	LOCKWASHER
		(MOUNTED ON CYLINDER HEAD)
9H-5829	[1]	GASKET

#UE0347400022

MANIFOLD

MANIFOLD
Serial No. 99E1 to 99E2821 inclusive
Refer also to Pages 289 and 290 for special parts

c85823 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-5589	[1]	PIPE ASSEM.
2F-4586	[1]	GASKET
1M-0090	[6]	GASKET
1M-6128	[1]	MANIFOLD
0S-1591	[3]	BOLT (1.50 LONG)
0S-1588	[1]	BOLT (1.25" LONG)
1B-5355	[4]	NUT
8M-0077	[1]	BRACKET ASSEM.
9F-2978	[1]	NUT (WELD)
		(PART OF BRACKET ASSEM. 8M77)
1B-5355	[12]	NUT
8M-7145	[10]	WASHER

#UE0347400023

MANIFOLD

MANIFOLD
Effective with Serial No. 99E2822
Refer also to Pages 289 and 290 for special parts

c68043 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
4M-5589	[1]	PIPE ASSEM.
2F-4586	[1]	GASKET
1M-0090	[6]	GASKET
1M-6128	[1]	MANIFOLD
0S-1588	[4]	BOLT
1B-5355	[4]	NUT
8M-0077	[1]	BRACKET ASSEM.
9F-2978	[1]	NUT (WELD)
		(PART OF BRACKET ASSEM. 8M77)
1B-5355	[12]	NUT
8M-7145	[10]	WASHER

#UE0347400024

8B-8205: MUFFLER GROUP

MUFFLER GROUP

8B8205 MUFFLER GROUP

c75681 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
3K-3124	[1]	MUFFLER
2F-5152	[1]	CLAMP
0S-1591	[1]	BOLT
1B-5355	[1]	NUT

#UE0347400025

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--Side View--Part 1 of 2
Serial No. 99E1 to 99E1204, 99E1206 to 99E1216, 99E1218, 99E1220, 99E1225, 99E1226, 99E1229, 99E1230 and 99E1281 inclusive
Refer also to Page 265 for special parts

c64772 UE034740

None CYLINDER HEAD AND VALVE MECHANISM Parts scheme

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
3H-4970	[1]	SEAL
9H-5849	[8]	BOLT
9H-5848	[6]	BOLT
7M-0242	[26]	WASHER
5H-7071	[18]	DIRECTOR
2M-1236	[1]	PACKING
2M-1235	[1]	WASHER
9F-2247	[1]	PLUG
4B-3140	[1]	COVER
2M-0890	[1]	GASKET
1A-2029	[2]	BOLT
3B-4506	[2]	LOCKWASHER
		(PARTS OF SERVICE ASSEM. 4M6822)
1M-5292	[1]	SHAFT
9H-4817	[1]	STOP
3H-3433	[1]	PIN
9H-4621	[1]	PLUNGER
	[1]	SPRING
0L-1352	[6]	BOLT
5B-9246	[6]	WASHER
0L-2288	[7]	PLUG
4M-6822	[1]	CYLINDER HEAD SERVICE ASSEM.
9H-5897	[6]	GASKET (.0937" thick)
2H-3088	[6]	SEAL
5M-7466	[1]	SHAFT ASSEM.
4B-9880	[2]	BALL
		(PART OF SHAFT ASSEM. 5M7466)
4B-4910	[5]	SPRING
9H-1110	[12]	WASHER
9H-5846	[12]	BOLT
5M-2629	[5]	BRACKET ASSEM.
5M-2631	[5]	DOWEL
		(1 IN EACH BRACKET ASSEM. 5M2629)
9H-1113	[2]	RING
2B-0858	[1]	PLUG
		(PART OF SERVICE ASSEM. 4M6822)
9H-1112	[2]	SPRING
9H-5888	[6]	CHAMBER ASSEM.
5M-8023	[6]	BUSHING
4F-4585	[1]	PLUG
5M-8023	[6]	BUSHING
0L-1521	[1]	PLUG
2M-1234	[1]	TUBE
1M-2916	[6]	INSERT (EXHAUST)
1M-2917	[6]	INSERT (INTAKE)
		(PARTS OF SERVICE ASSEM. 4M6822)
1M-3552	[6]	VALVE (INLET)
1M-3553	[6]	VALVE (EXHAUST)
3B-0623	[6]	PLUG (1" DIA.)
		(PART OF SERVICE ASSEM. 4M6822)

#UE0347400026

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--End View--Part 2 of 2
Serial No. 99E1 to 99E1204, 99E1206 to 99E1216, 99E1218, 99E1220, 99E1225, 99E1226, 99E1229, 99E1230 and 99E1281 inclusive
Note: 7M1912 Valve Grinding Gasket Kit is available. Refer also to Page 265 for special parts

c64773 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2M-0716	[1]	COVER
9H-1085	[6]	ARM ASSEM. (INTAKE)
4M-4266	[6]	ARM ASSEM. (EXHAUST)
2A-4429	[24]	LOCK
2M-1778	[12]	RETAINER
9H-9164	[12]	SPRING
5M-2612	[12]	SPACER
2M-1755	[12]	STUD
6B-6224	[19]	FERRULE
6B-6225	[19]	SEAL
7B-2420	[2]	FERRULE
1M-6334	[1]	ELBOW
1A-2935	[12]	SCREW
5B-9079	[12]	NUT
3B-1915	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0L-1351	[4]	BOLT
3B-4506	[4]	LOCKWASHER
9H-5840	[1]	COVER
9H-5829	[1]	GASKET
9H-1145	[1]	GASKET
4H-1991	[1]	REGULATOR
2B-0858	[2]	PLUG
1M-5293	[1]	GASKET
4F-0443	[12]	BUSHING
		(1 IN EACH ARM ASSEM. 9H1085 & 4M4266)
7M-0130	[1]	GASKET
9H-5794	[12]	ROD
7B-2419	[2]	SEAL
7M-4166	[12]	LIFTER

#UE0347400027

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--Side View--Part 1 of 2
Serial No. 99E1205, 99E1217, 99E1219, 99E1221 to 99E1224, 99E1227, 99E1228, 99E1231 to 99E1280, 99E1282 to 99E1854, 99E1856, 99E1861,
99E1882 to 99E1886, 99E1946 and 99E1947 inclusive
Refer also to Page 265 for special parts

c67778 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
3H-4970	[1]	SEAL
9H-5849	[8]	BOLT
	[1]	SPRING
9H-4621	[1]	PLUNGER
3H-3433	[1]	PIN
9H-4817	[1]	STOP
5M-9216	[1]	COVER ASSEM.
1M-5292	[1]	SHAFT
9H-5848	[6]	BOLT
7M-0242	[26]	WASHER
5H-7071	[18]	DIRECTOR
2M-1236	[1]	PACKING
2M-1235	[1]	WASHER
9F-2247	[1]	PLUG
4B-3140	[1]	COVER
2M-0890	[1]	GASKET
1A-2029	[2]	BOLT
3B-4506	[2]	LOCKWASHER
		(PARTS OF SERVICE ASSEM. 4M6822)
1M-3473	[1]	COVER ASSEM.
1M-3474	[1]	ELEMENT
		(PARTS OF BREATHER ASSEM. 5M7540)
5M-7540	[1]	BREATHER ASSEM.
3D-2871	[3]	STUD
		(PART OF COVER ASSEM. 5M9216)
1D-4717	[3]	NUT
3B-4506	[3]	LOCKWASHER
0L-1352	[6]	BOLT
5B-9246	[6]	WASHER
5M-7539	[1]	GASKET
0L-2288	[7]	PLUG
4M-6822	[1]	CYLINDER HEAD SERVICE ASSEM.
9H-5897	[6]	GASKET (.0937" THICK)
2H-3088	[6]	SEAL
5M-7466	[1]	SHAFT ASSEM.
4B-9880	[2]	BALL
		(PART OF SHAFT ASSEM. 5M7466)
4B-4910	[5]	SPRING
9H-1110	[12]	WASHER
9H-5846	[12]	BOLT
5M-2629	[5]	BRACKET ASSEM.
5M-2631	[5]	DOWEL
		(1 IN EACH BRACKET ASSEM. 5M2629)
9H-1113	[2]	RING
2B-0858	[1]	PLUG
		(PART OF SERVICE ASSEM. 4M6822)
9H-1112	[2]	SPRING
9H-5888	[6]	CHAMBER ASSEM.
5M-8023	[6]	BUSHING
4F-4585	[1]	PLUG
5M-8023	[6]	BUSHING
0L-1521	[1]	PLUG
2M-1234	[1]	TUBE
1M-2916	[6]	INSERT (EXHAUST)
1M-2917	[6]	INSERT (INTAKE)
		(PARTS OF SERVICE ASSEM. 4M6822)
7M-7358	[6]	VALVE (INLET)
7M-7359	[6]	VALVE (EXHAUST)
3B-0623	[6]	PLUG (1" DIA)
		(PART OF SERVICE ASSEM. 4M6822)

#UE0347400028

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--End View--Part 2 of 2
Serial No. 99E1205, 99E1217, 99E1219, 99E1221 to 99E1224, 99E1227, 99E1228, 99E1231 to 99E1280, 99E1282 to 99E1854, 99E1856, 99E1861,
99E1882 to 99E1886, 99E1946 and 99E1947 inclusive
Note: 7M1912 Valve Grinding Gasket Kit is available. Refer also to Page 265 for special parts

c64971 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
9H-1085	[6]	ARM ASSEM. (INTAKE)
4M-4266	[6]	ARM ASSEM. (EXHAUST)
2A-4429	[24]	LOCK
2M-1778	[12]	RETAINER
9H-9164	[12]	SPRING
5M-2612	[12]	SPACER
2M-1755	[12]	STUD
6B-6224	[19]	FERRULE
6B-6225	[19]	SEAL
7B-2420	[2]	FERRULE
1M-6334	[1]	ELBOW
1A-2935	[12]	SCREW
5B-9079	[12]	NUT
3B-1915	[2]	BOLT
3B-4506	[2]	LOCKWASHER
0L-1351	[4]	BOLT
3B-4506	[4]	LOCKWASHER
9H-5840	[1]	COVER
9H-5829	[1]	GASKET
9H-1145	[1]	GASKET
4H-1991	[1]	REGULATOR
2B-0858	[2]	PLUG
1M-5293	[1]	GASKET
4F-0443	[12]	BUSHING
		(1 IN EACH ARM ASSEM. 9H1085 & 4M4266)
7M-0130	[1]	GASKET
9H-5794	[12]	ROD
7B-2419	[2]	SEAL
7M-4166	[12]	LIFTER

#UE0347400029

CYLINDER HEAD AND VALVE MECHANISM

CYLINDER HEAD AND VALVE MECHANISM--Side View--Part 1 of 2
Serial No. 99E1855, 99E1857 to 99E1860, 99E1862 to 99E1881, 99E1887 to 99E1945 and 99E1948 to 99E2821 inclusive
Refer also to Page 265 for special parts

c67779 UE034740

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Parts for your 12E MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
3H-4970	[1]	SEAL
9H-5849	[8]	BOLT
	[1]	SPRING
9H-4621	[1]	PLUNGER
3H-3433	[1]	PIN
9H-4817	[1]	STOP
5M-9216	[1]	COVER ASSEM.
1M-5292	[1]	SHAFT
9H-5848	[6]	BOLT
7M-0242	[26]	WASHER
5H-7071	[18]	DIRECTOR
5M-7590	[1]	PACKING
2M-1235	[1]	WASHER
9F-2247	[1]	PLUG
4B-3140	[1]	COVER
2M-0890	[1]	GASKET
1A-2029	[2]	BOLT
3B-4506	[2]	LOCKWASHER
		(PARTS OF SERVICE ASSEM. 7M2131)
1M-3473	[1]	COVER ASSEM.
1M-3474	[1]	ELEMENT
		(PARTS OF BREATHER ASSEM. 5M7540)
5M-7540	[1]	BREATHER ASSEM.
3D-2871	[3]	STUD
		(PART OF COVER ASSEM. 5M9216)
1D-4717	[3]	NUT
3B-4506	[3]	LOCKWASHER
0L-1352	[6]	BOLT
5B-9246	[6]	WASHER
5M-7539	[1]	GASKET
0L-2288	[7]	PLUG
		(PART OF SERVICE ASSEM. 7M2131)
7M-2131	[1]	CYLINDER HEAD SERVICE ASSEM.
9H-5897	[6]	GASKET (.0937" THICK)
2H-3088	[6]	SEAL
5M-7466	[1]	SHAFT ASSEM.
4B-9880	[2]	BALL
		(PART OF SHAFT ASSEM. 5M7466)
4B-4910	[5]	SPRING
9H-1110	[12]	WASHER
9H-5846	[12]	BOLT
7M-4981	[1]	BRACKET ASSEM.
7B-5415	[1]	PIN
		(PART OF BRACKET ASSEM. 7M4981)
7M-5999	[4]	BRACKET
9H-1113	[2]	RING
2B-0858	[1]	PLUG
		(PART OF SERVICE ASSEM. 7M2131)
9H-1112	[2]	SPRING
9H-5888	[6]	CHAMBER ASSEM.
5M-8023	[6]	BUSHING
4F-4585	[1]	PLUG
5M-8023	[6]	BUSHING
0L-1521	[1]	PLUG
2M-1234	[1]	TUBE
1M-2916	[6]	INSERT (EXHAUST)
1M-2917	[6]	INSERT (INTAKE)
		(PARTS OF SERVICE ASSEM. 7M2131)
7M-7358	[6]	VALVE (INLET)
7M-7359	[6]	VALVE (EXHAUST)
3B-0623	[6]	PLUG (1" DIA)
		(PART OF SERVICE ASSEM. 7M2131)