281-6139 PISTON & ROD GP 3512 MARINE ENGINE

BASIC ENGINE

PISTON & ROD GP

0. 281-6139 PISTON & R
1. 193-3282 RETAINER A

CRANKSHAFT GP

2. 7W-3813 SEAL GP-CR

VALVE MECHANISM GP

3. 224-9869 VALVE MECH

LUBRICATION SYSTEM

BREATHER GP

4. 247-4695 BREATHER G

FILLER GP-ENGINE OIL

5. 112-6033 FILLER GP-

FILTER GP-ENGINE OIL

6. 112-4921 FILTER GP-

GAUGE GP-OIL LEVEL (DIPSTICK)

7. 7C-9784 GAUGE GP-O

LINES GP-ENGINE OIL

8. 242-6277 LINES GP-E
9. 242-6277 LINES GP-E
0. INFORMATION

MARINE ENGINE 3512 MARINE ENGINE 50Y
3512 Engine Emissions Upgrade Group Retrofit to Tier I Equivalent Level 50Y01305-UP SEBP6114 3512 50Y (1980)

BASIC ENGINE

PISTON & ROD GP

204-5447 JET AS-PISTON COOLING

281-6139 PISTON & ROD GP

193-3282 RETAINER AS

#SEBP61140060

281-6139: PISTON & ROD GP

PISTON & ROD GP

281-6139 PISTON & ROD GP

i02407740 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	144-0725	[1]	ROD AS-CONNECTING
	7N-2043	[1]	DOWEL
1A.	7N-2405	[4]	BOLT-CONNECTING ROD
1B.	118-1655	[1]	BUSHING (CONNECTING ROD)
2.	107-7330	[1]	BEARING-CONNECTING ROD (STANDARD)
	107-7331 AB		BEARING-CONNECTING ROD (0.63-MM US)
	107-7332 AB		BEARING-CONNECTING ROD (1.27-MM US)
	107-7333 AB		BEARING-CONNECTING ROD (0.25-MM OS)
	107-7334 AB		BEARING-CONNECTING ROD (0.25-MM OS, 0.63-MM US)
	107-7335 AB		BEARING-CONNECTING ROD (0.25-MM OS, 1.27-MM US)
3.	144-5695	[1]	RING-PISTON (INTERMEDIATE)
4.	193-3282	[1]	RETAINER AS (FOR USE WITH 1-PC PISTON ONLY)
	6V-3537	[1]	DOWEL
5.	204-5447	[1]	JET AS-PISTON COOLING (FOR USE WITH 1-PC PISTON ONLY)
6.	214-6066	[1]	RING-PISTON (TOP)
7.	223-6361	[1]	RING-PISTON (OIL)
8.	253-1238	[2]	RETAINER-PIN
9.	263-8955	[1]	PIN-PISTON
10.	299-5204	[1]	PISTON AS
11.	0T-0102	[1]	BOLT (3/8-16X0.625-IN)
12.	1B-2790	[1]	BOLT (5/16-18X1.375-IN)
13.	5M-2894	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
14.	9M-1974	[1]	WASHER-HARD (8.8X16X2-MM THK)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	R		REMFG PART MAY BE AVAILABLE

#SEBP61140061

193-3282: RETAINER AS

RETAINER AS

193-3282 RETAINER AS
PART OF 20R-1078, 350-2154, 350-2157 KIT-ENGINE CONVERSION
FOR USE WITH ONE PIECE PISTONS ONLY

i01946492 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
2.	6V-3537	[1]	DOWEL

#SEBP61140062

7W-3813: SEAL GP-CRANKSHAFT

SEAL GP-CRANKSHAFT

7W-3813 SEAL GP-CRANKSHAFT

i00090785 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	436-1479 C	[1]	SEAL-CRANKSHAFT (COUNTERCLOCKWISE ROTATION)
			(INSTALL IN FLYWHEEL HOUSING ON STANDARD ROTATION ENGINES & IN FRONT HOUSING ON REVERSE ROTATION ENGINES)
2.	436-1478 C	[1]	SEAL-CRANKSHAFT (CLOCKWISE ROTATION)
			(INSTALL IN FRONT HOUSING ON STANDARD ROTATION ENGINES & IN FLYWHEEL HOUSING ON REVERSE ROTATION ENGINES)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP61140063

224-9869: VALVE MECHANISM GP

VALVE MECHANISM GP

224-9869 VALVE MECHANISM GP

i02198277 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3J-9196	[2]	NUT-JAM (1/2-20-THD)
2.	7E-6508	[1]	CAP AS
3.	7N-4782	[2]	SPRING-LIFTER GUIDE
4.	9F-7707	[3]	RING-RETAINING
5.	317-1121	[1]	NUT-JAM (5/8-18-THD)
6.	9X-0352	[1]	RECEPTACLE AS-CONNECTOR (2-PIN)
7.	100-3877	[1]	RETAINER-SPRING
8.	100-3878	[1]	SPRING-INJECTOR
9.	100-3879	[1]	PUSHROD-INJECTOR
10.	100-3880	[2]	PUSHROD-VALVE
11.	132-6469	[1]	HARNESS AS-WIRING (VALVE MECHANISM)
	155-2270	[1]	KIT-CONNECTING PLUG (2-PIN)
			(KIT INCLUDES PLUG AS, WEDGE, & INTERFACE SEAL)
	7E-6513	[1]	CONNECTOR AS
	186-3736	[2]	SOCKET-CONNECTOR (16-GA TO 18-GA)
	124-0284 E		TUBE-HEAT SHRINK (3.2-MM DIA)(6-CM)
12.	154-6389	[3]	BUTTON
13.	358-0768	[2]	SCREW-ADJUSTING (1/2-20X2.42-IN)
14.	380-4843	[1]	SCREW-ADJUSTING (5/8-18X2.375-IN)
15.	230-2621	[2]	ROCKER ARM AS
			(EACH INCLUDES)
	8N-7197	[1]	SOCKET-ARM
	230-2620	[1]	BUSHING
16.	230-2633	[1]	SHAFT AS (ROCKER ARM)
	155-4094	[1]	PIN-SPRING
17.	240-7032 C	[1]	SEAL
18.	247-8341 CY	[1]	BASE GP-VALVE COVER
19.	416-8319	[2]	LIFTER AS-VALVE
20.	265-7537	[1]	BRIDGE (INLET)
21.	265-7538	[1]	BRIDGE (EXHAUST)
22.	281-6159	[1]	ROCKER ARM AS
	8N-7197	[1]	SOCKET-ARM
	230-2620	[1]	BUSHING
23.	282-7944	[1]	LIFTER AS-INJECTOR
24.	0L-2070	[2]	BOLT (3/8-16X2.25-IN)
25.	334-1626	[2]	BOLT (3/8-16X2-IN)
26.	0S-1615	[1]	BOLT (1/4-20X0.75-IN)
27.	5M-2894	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)
28.	5P-0537	[1]	WASHER-HARD (7.2X14.5X2-MM THK)
29.	5P-7530	[1]	SEAL-O-RING
30.	6J-2245	[1]	SEAL-O-RING
31.	8D-7942	[2]	BOLT-12 POINT HEAD (5/8-11X6.5-IN)
	C		CHANGE FROM PREVIOUS TYPE
	E		ORDER BY THE CENTIMETER
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP61140064

247-4695: BREATHER GP

BREATHER GP

247-4695 BREATHER GP -CRANKCASE

i02096903 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	272-0760	[3]	SEAL-VALVE COVER (BREATHER)
2.	4W-3027	[3]	BREATHER AS (CRANKCASE)
3.	217-6692	[1]	HOSE-TEE
4.	033-6031	[3]	SEAL-O-RING
5.	1A-9579	[12]	BOLT (5/16-18X1.5-IN)
6.	9M-1974	[12]	WASHER-HARD (8.8X16X2-MM THK)
7.	101-4199	[3]	COVER AS
8.	4W-3034	[3]	CLAMP-HOSE
9.	5P-0597	[3]	CLAMP-HOSE
10.	5P-4868	[2]	CLAMP-HOSE
11.	141-7143	[1]	HOSE-ELBOW

#SEBP61140065

112-6033: FILLER GP-ENGINE OIL

FILLER GP-ENGINE OIL

112-6033 FILLER GP-ENGINE OIL

i00491999 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2B-2695	[1]	BOLT (5/16-18X0.875-IN)
2.	4P-9226	[1]	BRACKET
3.	101-4199	[1]	COVER AS
4.	272-0760	[1]	SEAL-VALVE COVER (OIL FILLER)
5.	262-6104	[1]	CAP AS-ENGINE OIL FILLER
6.	031-4155	[1]	LOCKNUT (5/16-18-THD)
7.	1A-9579	[4]	BOLT (5/16-18X1.5-IN)
8.	9M-1974	[5]	WASHER-HARD (8.8X16X2-MM THK)
9.	9N-0869	[1]	WASHER-HARD (8.8X25.5X2-MM THK)

#SEBP61140066

112-4921: FILTER GP-ENGINE OIL

FILTER GP-ENGINE OIL

112-4921 FILTER GP-ENGINE OIL -RH

i01014201 SEBP6114

1124921 FILTER GP-ENGINE OIL Parts scheme

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8N-9482	[1]	SUPPORT-OIL FILTER
2.	5P-4624	[2]	BOLT (3/4-10X11.5-IN)
3.	4S-5882	[2]	BOLT (1/2-13X7.25-IN)
4.	278-1082 C	[1]	HOUSING AS-FILTER (ENGINE OIL)
	4V-7412	[1]	BOSS (3/8-16-THD)
5.	0S-1588	[8]	BOLT (3/8-16X1.25-IN)
6.	2S-5100	[1]	VALVE-MANUAL
7.	4W-5592 C	[1]	COVER
8.	339-5148 C	[1]	COVER
9.	4W-6387 C	[1]	HOUSING AS (BYPASS)
	7N-2043	[3]	DOWEL
10.	133-9313	[1]	PLATE
11.	0L-1351	[3]	BOLT (3/8-16X0.875-IN)
12.	5M-2894	[15]	WASHER-HARD (10.2X18.5X2.5-MM THK)
13.	2W-1969 C	[1]	VALVE-BYPASS (OIL COOLER)
14.	155-1690 C	[1]	ADAPTER AS
	154-1581	[1]	RING-RETAINING
15.	2W-1635	[1]	SPRING
16.	1R-0726	[3]	FILTER ELEMENT AS-ENGINE OIL (STANDARD EFFICIENCY)
17.	5P-4892 C	[4]	SEAL-O-RING
18.	0S-1571	[2]	BOLT (3/8-16X1.75-IN)
19.	9S-8752	[2]	NUT-FULL (3/8-16-THD)
20.	6V-3907	[4]	SEAL-O-RING
21.	157-0443 C	[1]	COVER AS
22.	7F-0192	[3]	BOLT (3/8-16X2-IN)
24.	5D-5957	[1]	SEAL-O-RING
25.	8T-6762	[1]	PLUG-PIPE (1/2-14-THD)
26.	4W-6960	[1]	SUPPORT-HOUSING
27.	6V-5048 C	[6]	SEAL-O-RING
28.	9S-4182 C	[6]	PLUG
29.	1M-0644 C	[3]	BOLT (3/8-16X2.25-IN)
30.	0S-1619 C	[2]	BOLT (3/8-16X3-IN)
31.	6V-8001 C	[1]	SEAL-O-RING
32.	111-8639 C	[1]	COVER-BYPASS VALVE
33.	0T-0573	[3]	BOLT (3/8-16X2.75-IN)
34.	0T-0573 B	[1]	BOLT (3/8-16X2.75-IN)
35.	1D-4574 B	[2]	BOLT (1/2-13X6-IN)
36.	5M-2894 B	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
37.	5P-5421 B	[4]	BOLT (1/2-13X11.5-IN)
38.	9S-8752 B	[1]	NUT-FULL (3/8-16-THD)
39.	165-3931	[3]	BOLT (3/8-16X1.75-IN)
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

#SEBP61140067

7C-9784: GAUGE GP-OIL LEVEL (DIPSTICK)

GAUGE GP-OIL LEVEL (DIPSTICK)

7C-9784 GAUGE GP-OIL LEVEL (DIPSTICK) -DEEP SUMP
ENGINE

i00395168 SEBP6114

7C9784 GAUGE GP-OIL LEVEL (DIPSTICK) Parts scheme

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7E-0467	[1]	TUBE AS-OIL GAUGE
2.	9L-1480	[1]	GASKET
3.	0S-1594	[2]	BOLT (3/8-16X1-IN)
4.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
5.	7C-9786	[1]	GAUGE AS-OIL LEVEL (DIPSTICK) (DEEP SUMP)
6.	4B-3140 B	[1]	COVER
7.	9L-1480 B	[1]	GASKET
8.	0S-1594 B	[2]	BOLT (3/8-16X1-IN)
9.	5M-2894 B	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
	B		USE AS REQUIRED

#SEBP61140068

242-6277: LINES GP-ENGINE OIL

LINES GP-ENGINE OIL

242-6277 LINES GP-ENGINE OIL
Type 1

i02211914 SEBP6114

2426277 LINES GP-ENGINE OIL Parts scheme

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1N-3333	[1]	TUBE
2.	2W-1635	[1]	SPRING
3.	2W-1969	[1]	VALVE-BYPASS
4.	359-4123	[1]	ADAPTER
5.	4S-5719	[1]	SPACER (10.31X25X12.7-MM THK)
6.	4W-4313	[1]	ADAPTER
7.	4W-4677	[1]	TUBE
8.	4W-5597	[1]	COVER
9.	6B-0933	[4]	SPACER (10.31X19.05X6.35-MM THK)
10.	6B-9202	[2]	SPRING
11.	7C-9217	[1]	ELBOW
12.	7E-6369	[1]	BRACKET
13.	369-9509	[1]	ELBOW-OIL COOLER
14.	7N-5416	[1]	ELBOW
15.	7N-7697	[2]	PLUNGER AS
			(EACH INCLUDES)
	7M-1808	[1]	DOWEL
16.	8C-3445 C	[1]	CAP-DUST
17.	8N-1991	[1]	RING-RETAINING
18.	8N-1992	[2]	RETAINER
19.	8N-2929	[2]	COVER
20.	100-8075	[1]	CLAMP AS
21.	111-3820	[1]	RING-RETAINING
22.	365-4215	[1]	ADAPTER
23.	253-4777 C	[1]	TUBE AS
24.	264-0450	[1]	CLAMP AS
25.	6V-4368	[4]	SEAL-O-RING
26.	0L-1143	[4]	BOLT (3/8-16X2.5-IN)
27.	0L-1352	[1]	BOLT (3/8-16X3.25-IN)
28.	0S-1571 C	[2]	BOLT (3/8-16X1.75-IN)
29.	0S-1588	[11]	BOLT (3/8-16X1.25-IN)
30.	0S-1590	[2]	BOLT (3/8-16X2-IN)
31.	0S-1591	[2]	BOLT (3/8-16X1.5-IN)
32.	0S-1594	[14]	BOLT (3/8-16X1-IN)
33.	0T-0065	[4]	BOLT (3/8-16X3.5-IN)
34.	109-2332	[6]	SEAL-O-RING
35.	3B-1915	[1]	BOLT (3/8-16X1.375-IN)
37.	3P-0655	[3]	SEAL-O-RING
38.	4B-3140	[1]	COVER
39.	4W-5596	[1]	COVER
40.	5F-4899	[1]	BOLT (3/8-16X5.5-IN)
41.	5M-2894 C	[17]	WASHER-HARD (10.2X18.5X2.5-MM THK)
42.	5P-4892	[3]	SEAL-O-RING
43.	5P-5846	[1]	SEAL-O-RING
44.	228-7097	[1]	SEAL-O-RING
45.	6V-0267	[1]	CLIP (TAB)
46.	6V-0268	[1]	CLIP (SLOT)
47.	6V-3908	[1]	SEAL-O-RING
48.	6V-4589	[2]	SEAL-O-RING
49.	6V-5048	[2]	SEAL-O-RING
50.	8C-3446 C	[1]	VALVE-SAMPLING
51.	8T-6765 BC	[1]	PLUG-PIPE (1/4-18-THD)
52.	9S-4182	[1]	PLUG
53.	9S-4190	[2]	PLUG-O-RING
54.	9S-8752	[1]	NUT-FULL (3/8-16-THD)
55.	2W-1053	[1]	PLUG
58.	6V-4589 B	[1]	SEAL-O-RING
59.	8T-6762 B	[1]	PLUG-PIPE (1/2-14-THD)
60.	9S-4190 B	[1]	PLUG-O-RING
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

#SEBP61140069

242-6277: LINES GP-ENGINE OIL

LINES GP-ENGINE OIL

242-6277 LINES GP-ENGINE OIL
Type 2

i05186499 SEBP6114

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Parts for your 3512 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1N-3333	[1]	TUBE
2.	2W-1635	[1]	SPRING
3.	2W-1969	[1]	VALVE-BYPASS
4.	359-4123	[1]	ADAPTER
5.	4S-5719	[1]	SPACER (10.31X25X12.7-MM THK)
6.	4W-4313	[1]	ADAPTER
7.	4W-4677	[1]	TUBE
8.	4W-5597	[1]	COVER
9.	6B-0933	[4]	SPACER (10.31X19.05X6.35-MM THK)
10.	6B-9202	[2]	SPRING
11.	7C-9217	[1]	ELBOW
12.	7E-6369	[1]	BRACKET
13.	369-9509	[1]	ELBOW-OIL COOLER
14.	7N-5416	[1]	ELBOW
15.	7N-7697	[2]	PLUNGER AS
			(EACH INCLUDES)
	7M-1808	[1]	DOWEL
16.	8C-3445 C	[1]	CAP-DUST
17.	361-7097	[1]	RING
18.	361-7098	[1]	FLANGE
19.	8N-2929	[2]	COVER
20.	100-8075	[1]	CLAMP AS
21.	111-3820	[1]	RING-RETAINING
22.	365-4215	[1]	ADAPTER
23.	253-4777 C	[1]	TUBE AS
24.	264-0450	[1]	CLAMP AS
25.	6V-4368	[4]	SEAL-O-RING
26.	0L-1143	[4]	BOLT (3/8-16X2.5-IN)
27.	0L-1352	[1]	BOLT (3/8-16X3.25-IN)
28.	0S-1571 C	[4]	BOLT (3/8-16X1.75-IN)
29.	0S-1588	[11]	BOLT (3/8-16X1.25-IN)
30.	0S-1590	[2]	BOLT (3/8-16X2-IN)
31.	0S-1591	[2]	BOLT (3/8-16X1.5-IN)
32.	0S-1594	[12]	BOLT (3/8-16X1-IN)
33.	0T-0065	[4]	BOLT (3/8-16X3.5-IN)
34.	109-2332	[6]	SEAL-O-RING
35.	3B-1915	[1]	BOLT (3/8-16X1.375-IN)
37.	3P-0655	[3]	SEAL-O-RING
38.	4B-3140	[1]	COVER
39.	4W-5596	[1]	COVER
40.	5F-4899	[1]	BOLT (3/8-16X5.5-IN)
41.	5M-2894 C	[17]	WASHER-HARD (10.2X18.5X2.5-MM THK)
42.	5P-4892	[3]	SEAL-O-RING
43.	5P-5846	[1]	SEAL-O-RING
44.	228-7097	[1]	SEAL-O-RING
45.	6V-0267	[1]	CLIP (TAB)
46.	6V-0268	[1]	CLIP (SLOT)
47.	6V-3908	[1]	SEAL-O-RING
48.	6V-4589	[2]	SEAL-O-RING
49.	6V-5048	[2]	SEAL-O-RING
50.	8C-3446 C	[1]	VALVE-SAMPLING
51.	8T-6765 BC	[1]	PLUG-PIPE (1/4-18-THD)
52.	9S-4182	[1]	PLUG
53.	9S-4190	[2]	PLUG-O-RING
54.	9S-8752	[1]	NUT-FULL (3/8-16-THD)
55.	2W-1053	[1]	PLUG
58.	6V-4589 B	[1]	SEAL-O-RING
59.	8T-6762 B	[1]	PLUG-PIPE (1/2-14-THD)
60.	9S-4190 B	[1]	PLUG-O-RING
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE

Information:

BASIC ENGINE

PISTON & ROD GP

Engine News

In The Future, Oversize And Undersize Connecting Rod And Main Bearings Will Have Size Identification Marks In Metric Units
1980/07/09

6V4021 Piston Ring Compressor Group Available
1980/12/10

6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal And Installation Of Piston Pin Bearings
1981/04/22

6V4020 Piston Ring Expander Group Available
1981/05/20

Use 6V6147 Polishing Wheel To Clean Piston Pins
1982/11/10

Special Procedure Needed To Clean 3500 Series Engine Pistons
1983/07/06

Use Of Impact Wrench To Tighten Counterweight, Main Bearing Cap And Connecting Rod Bolts
1984/04/11

Different Thread Lubricant Can Be Used On Connecting Rod And Counterweight Bolts
1984/06/20

Improved Oil Ring For Pistons Eliminates Expander Problems That Lead To Ring Breakage During Installation
1985/04/01

Uprated 3500 Series Engines Use Stronger Pistons, New Connecting Rods And New Piston Pins
1986/02/01

Increase Piston Reuse With Keystone Piston Ring Gauge Group
1986/07/01

Check Connecting Rods After Engine Failures Involving Hydraulic Lock
1986/12/01

Main And Connecting Rod Bearing Part Numbers
1987/01/01

Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method
1987/06/01

Testing Connecting Rod Eye Bushings When Overhauling Engines
1987/07/01

Piston And Camshaft Changes
1987/10/01

New Connecting Rod Assembly Used
1988/03/01

New Piston Body Assemblies Used
1989/01/01

Different Thread Lubricant Can Be Used On Connecting Rod, Main Bearing Cap And Counterweight Bolts
1989/11/01

Installation Of Zinc Rods In Caterpillar Marine Engines
1991/01/01

New Connecting Rod Assembly Used
1992/11/01

New Connecting Rod Bearing Used In Piston And Rod Groups
1993/01/01

New 9U7360 Piston Ring Groove Gauge Group Available
1993/10/01

New Connecting Rod Identification Used On Engines
1993/10/01

Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/11/01

New Connecting Rod Assembly Has Increased Fatigue Strength{1218}
1994/12/01

Connecting Rod Assembly Includes New Rod Eye Sleeve Bearing {1218,1219}
1995/04/01

New Rod Bearings Have Higher Fatigue Strength {1219}
1995/05/01

5P-8665 Liner Puller Group Changed To Accommodate Cylinder Liner With Larger Diameter Top Flange{1216}
1995/09/01

Installation Of Piston Pin Retainer {1215}
1997/02/17

Structural Improvement To Piston Permits Removal Of Piston Coatings{1214}
1997/05/01

Reliability And Fatigue Strength Improved In Connecting Rod {1218,1219}
1997/08/01

Articulated Pistons Used {1214}
1998/01/20

Process Changes Result In Improved 3500 Engine Remanufactured Connecting Rod Assembly{1218}
1998/03/01

New Remanufactured 3500 Engine Connecting Rod Results From Improved Remanufacturing Processes {1218}
1998/07/01

Piston And Piston Ring Reference Chart For 3500 And 3500B Engines {1214,1215}
1998/08/01

New Piston Rings Provide Increased Service Life {1215}
1998/08/01

The Causes Of Worn And Broken Piston Rings {1215}
1998/08/01

New Connecting Rod Assembly Provides Increased Rod Eye Bushing Retention{1218}
1998/10/01

New Connecting Rod Assembly Provides Increased Rod Eye Bushing Retention {1218}
1998/11/01

A New Top Piston Ring Promotes Reduced Cylinder Liner Wear {1214, 1215}
2002/12/01

Use the Correct Tooling for Installing Piston Rings {1214, 1215}
2003/03/01

New Fabricated Tool for Piston Pin Installation {1225}
2003/08/01

Introduction of New Pistons and Remanufactured Cylinder Packs {1214, 1239}
2006/06/26

Some Pistons and Cylinder Packs are Cancelled and Replaced {1214}
2006/06/26

The Piston Pin Retainer Is Now Marked for Correct Orientation {1214}
2004/02/01

A Parts Kit for the Piston Cooling Jets and Retainers for the Piston Cooling Jets is Now Cancelled {1331}
2004/06/01

The Piston Pin Retainer is Now Marked for Correct Orientation {1214}
2004/03/01

A New Piston Pin Retainer is Used {1214}
2004/06/01

Addition to Specifications for "Piston and Rings (One-Piece Piston)" {1214, 1215}
2005/01/31

Tightness of Bolted Joints with the Torque Turn Procedure {1101, 1202, 1203, 1218}
2005/04/11

New Piston and Rod Group {1225}
2006/06/26

New Guidelines for Inspecting Pistons {1214}
2006/01/02

New Procedure for Measuring the Connecting Rod {1218, 1225}
2006/08/14

New Piston Assemblies Are Used {1225}
2008/07/14

Special Instruction

Using Caterpillar Cylinder Pack Pulling Tools{1239}
Using Caterpillar Cylinder Pack Pulling Tools{1239}

Piston Cleaning Procedure{1214}
Piston Cleaning Procedure{1214}

Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}
Use Of 5P8709 Tool Group For Alignment Of Piston Cooling Jets{1331}

Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}
Using The 5P2050 Connecting Rod Checking Fixture{0767, 1218}

Install the Correct Piston Cooling Jet and the Correct Retainer for the One-Piece Piston{1214, 1331}
Install the Correct Piston Cooling Jet and the Correct Retainer for the One-Piece Piston{1214, 1331}

Parts to Replace in the Event of Hydraulic Lock or Piston to Valve Contact{1000, 1102, 1216, 1225, 1250, 1290}
Parts to Replace in the Event of Hydraulic Lock or Piston to Valve Contact{1000, 1102, 1216, 1225, 1250, 1290}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

Service Letter-NACD

PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R-3841 AND 0R-4446 CYLINDER PACKS FROM DEALER PARTS STOCK
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REMOVING 0R-3841 AND 0R-4446 CYLINDER PACKS FROM DEALER PARTS STOCK

Piston Cooling Jet Retainer Bolts Need To Be Inspected For The Correct Torque On Certain 3508, 3512, And 3516 Engines; And 785 trucks
Piston Cooling Jet Retainer Bolts Need To Be Inspected For The Correct Torque On Certain 3508, 3512, And 3516 Engines; And 785 trucks

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Service Letter-CFEL

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Service Letter-CSARL

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Service Letter-Americas

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Service Letter-Truck/Ag/Marine

Technical Information Bulletin

Deburr Process For 3500 Connecting Rods Improves Reusability And Decreases Rod To Crankshaft Wear
Deburr Process For 3500 Connecting Rods Improves Reusability And Decreases Rod To Crankshaft Wear

Information that is required to understanding and the determining of the root cause of a piston pin joint failure
Information that is required to understanding and the determining of the root cause of a piston pin joint failure

Some Remanufactured Cylinder Packs for Series 3500 Engines Are Contaminated with Blasting Material{1213, 1239}
Some Remanufactured Cylinder Packs for Series 3500 Engines Are Contaminated with Blasting Material{1213, 1239}

Failure of Some Bearings In 3500 and G3600 Engines{1225}
Failure of Some Bearings In 3500 and G3600 Engines{1225}

Identifying Connecting Rod Bearings and Main Bearings that Must Not Be Used on 3500 and G3600 Engines{1202, 1225, 1230}
Identifying Connecting Rod Bearings and Main Bearings that Must Not Be Used on 3500 and G3600 Engines{1202, 1225, 1230}

Failure of the Connecting Rod Bearings on 3500 and 3600 Engines Due to Delamination {1219, 1225}
Failure of the Connecting Rod Bearings on 3500 and 3600 Engines Due to Delamination {1219, 1225}

Do Not Use Unapproved Connecting Rod 7N-2405 Bolts for 3500 and G3500 Engines{1225, 7553}
Do Not Use Unapproved Connecting Rod 7N-2405 Bolts for 3500 and G3500 Engines{1225, 7553}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

Specifications

Connecting Rod
3500 Marine Engines

Piston and Rings - Two-Piece Piston
3500 Marine Engines

Engine Oil Cooler Bypass and Cooling Jet Sequence Valves
3500 Marine Engines

Piston and Rings
3500 Marine Engines

Piston and Rings - One-Piece Piston
3500 Marine Engines

Engine Oil Cooler Bypass and Cooling Jet Sequence Valves
3500 Marine Engines

Tool Operating Manual

NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}

Service Letter-China

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Service Letter-Asia

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Systems Operation

Pistons, Rings and Connecting Rods - Two-Piece Piston
3500 Marine Engines

Pistons, Rings and Connecting Rods
3500 Marine Engines

Reuse And Salvage Guidelines

Reuse and Salvage for Connecting Rods {1218}
Reuse and Salvage for Connecting Rods {1218}

Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}
Inspection Procedures and Specifications for Pistons and Piston Pins {1214, 1214}

Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}
Visual Inspection of Main Bearings and Connecting Rod Bearings {1202, 1203, 1225, 1230}

Information Release Memo

REMAN 3500 ENGINE CORE ACCEPTANCE CRITERIA REVISION AND OTHER RECENT PRODUCT IMPROVEMENTS
REMAN 3500 ENGINE CORE ACCEPTANCE CRITERIA REVISION AND OTHER RECENT PRODUCT IMPROVEMENTS

Service Letter-APD

Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock
Certain Connecting Rod Assemblies Need To Be Removed From Parts Stock

Testing and Adjusting

Compression
3500 Marine Engines

Excessive Bearing Wear - Inspect
3500 Marine Engines

Connecting Rod Bearings
3500 Marine Engines

Crankcase Pressure
3500 Marine Engines

Disassembly and Assembly

Connecting Rod Bearings
3508, 3512 & 3516 MARINE ENGINES

Piston And Connecting Rod Assemblies
3508, 3512 & 3516 MARINE ENGINES

Service Magazine

6V4021 Piston Ring Compressor Group Available{1215,1214,0622}
1980/11/17

6V3197 Spacer, 6V3041 Tool Group Available For Use During Removal and Installation Of Piston Pin Bearings{0622,1219,1218,1214}
1981/03/30

6V4020 Piston Ring Expander Group Available{0622,1215,1214}
1981/04/20

Piston And Connecting Rod Assembly Storage Cabinet{0600}
1982/01/18

Use New Special Instruction To Install 5P6595 Insert In Cylinder Liner Seats{1216,0621}
1982/05/03

Inspection Marks On Bearings{7551,1230,1226,1203,1219,1227}
1982/05/03

New Bearing Standard: Quantity Of One Part Number Now Has Both Halves Of The Bearing{7551}
1982/08/09

Use 6V6147 Polishing Wheel To Clean Piston Pins{0675,1214}
1982/11/08

Use the 6V6167 Contact Point to Measure Wear Steps on Piston Pins{0653}
1982/11/22

Reuse Of Engine Bearings{1230}
1983/05/16

Special Procedure Needed To Clean 3500 Series Engine Pistons{0374,1214}
1983/05/30

Reuse Of Engine Bearings{1230,1219,1203}
1983/11/21

Use Of Impact Wrench To Tighten Counterweight, Main Bearing Cap And Connecting Rod Bolts{1202,1203,1218,1219,1230}
1984/03/12

Different Thread Lubricant Can Be Used On Connecting Rod And Counterweight Bolts{1202,1218}
1984/05/21

Improved Oil Ring For Pistons Eliminates Expander Problems That Lead To Ring Breakage During Installation{1215}
1985/03/18

Installing New Copper Bonded Bearings Can Extend Engine Life{1230,1203,1219}
1985/04/29

Two, New Top Dead Center Magnetic Transducers Available{0651,0653,1214,1250}
1985/10/07

Uprated 3500 Series Engines Use Stronger Pistons, New Connecting Rods And New Piston Pins{1214,1218,1225}
1986/01/27

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

Increase Piston Reuse With Keystone Piston Ring Gauge Group{1214,1215}
1986/06/16

Bearing Failures On Engines Due To Lack Of Lubrication{1230,1219,1203,1202}
1986/09/08

Check Connecting Rods After Engine Failures Involving Hydraulic Lock{1218,1225}
1986/10/20

Main And Connecting Rod Bearing Part Numbers {1203,1219,1230}
1987/01/26

Use Only Paint To Mark Connecting Rod Caps For Torque-Turn Method {1218,1219}
1987/06/01

Testing Connecting Rod Eye Bushings When Overhauling Engines{1218}
1987/07/06

Piston And Camshaft Changes{1214,1210,1200}
1987/10/12

Locating Bushings For The 5P3550 Rod Boring Machine Will Now Hold Tapered Piston Pin Bushings {0626}
1978/04/17

Use 6V100 Tool Arrangement To Remove And Install Piston Pin Bearings For Both Tapered And Standard Connecting Rods{0620,1218}
1978/04/24

Sleeve-Type Ring Compressors Can Be Used For Installation Of Pistons From The Bottom Of The Engine{0622}
1978/08/21

New Connecting Rod Assembly Used{1218}
1988/03/14

New Piston Body Assemblies Used {1214}
1988/12/19

5P3519 Piston Ring Gauge Has Improved Design For Better Accuracy And Easier Use; Corrected Information For Use On Pistons That Have Two Ring Grooves{0653,1214}
1979/05/14

Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27

Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17

Different Thread Lubricant Can Be Used On Connecting Rod, Main Bearing Cap And Counterweight Bolts{1203,1225,1231}
1989/11/06

Installation Of Zinc Rods In Caterpillar Marine Engines{1350,1388}
1990/12/24

New Connecting Rod Assembly Used{1218}
1992/11/16

New Connecting Rod Bearing Used In Piston And Rod Groups {1219}
1993/01/25

New 9U7360 Piston Ring Groove Gauge Group Available {0763,1214,1215}
1993/10/11

New Connecting Rod Identification Used On Engines {1218}
1993/10/11

Verification of Connecting Rod Eye Bushing Retention When Overhauling Engines{1218}
1994/10/31

New Copper Lead Main and Connecting Rod Bearings Are Available For All 3500 Diesel Machine Engines {1203, 1219}
2015/01/28

Caterpillar Parts SIS Catalog 3512 :

9Y-3084 PAN GP-OIL

7C-9938 PAN GP-OIL

7E-6872 LIFTING GP-ENGINE

350-2157 KIT-ENGINE CONVERSION

350-2155 KIT-ENGINE CONVERSION

350-2154 KIT-ENGINE CONVERSION

20R-1080 KIT-ENGINE CONVERSION

20R-1079 KIT-ENGINE CONVERSION

193-3282 RETAINER AS

7W-3813 SEAL GP-CRANKSHAFT

224-9869 VALVE MECHANISM GP

247-4695 BREATHER GP

112-6033 FILLER GP-ENGINE OIL

112-4921 FILTER GP-ENGINE OIL

7C-9784 GAUGE GP-OIL LEVEL (DIPSTICK)

242-6277 LINES GP-ENGINE OIL

Truck sale:

230,416

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

230,416

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

238,453

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
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178,974

Caterpillar 3512, mobile generator sets, Construction
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178,974

Caterpillar 3512, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.