6I-1774 DRIVE GP-PUMP PROVIDES AN AUXILIARY DRIVE FOR A HYDRAULIC PUMP MOUNTED ON THE RH REAR OF THE SAE NO. 1 FLYWHEEL HOUSING AN ATTACHMENT 3412

6I-1774: DRIVE GP-PUMP

6I-1774 DRIVE GP-PUMP
PROVIDES AN AUXILIARY DRIVE FOR A HYDRAULIC PUMP MOUNTED ON THE RH REAR OF THE SAE NO. 1 FLYWHEEL HOUSING
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6I-1775	[1]	BEARING-PUMP DRIVE
2.	1A-5822	[2]	BOLT (1/2-13X2.75-IN)
3.	5P-8245	[3]	WASHER-HARD (13.5X25.5X3-MM THK)
4.	1F-7958	[1]	NUT-FULL (1/2-13-THD)
5.	6I-1776	[1]	GEAR-PUMP DRIVE (46-TEETH)
6.	7N-2558	[1]	COUPLING
7.	6I-1778	[1]	GASKET
8.	0S-1591	[6]	BOLT (3/8-16X1.5-IN)
9.	280-4155	[1]	SEAL-INTEGRAL
10.	2P-4358	[1]	FLANGE
11.	0S-1594	[2]	BOLT (3/8-16X1-IN)
12.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
13.	6I-1777	[1]	ADAPTER-HYDRAULIC PUMP
14.	0S-1590	[4]	BOLT (3/8-16X2-IN)
15.	270-1820	[1]	SEAL-O-RING

7N-2642: DRIVE GP-PUMP

DRIVE GP-PUMP

7N-2642 DRIVE GP-PUMP
PROVIDES AN AUXILIARY DRIVE FOR AN SAE "B" HYDRAULIC PUMP WITH 2 BOLT MOUNTING FLANGE
FOR USAGE REFER TO CHART @@@@@ 7N-9032@@@@@
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-5101	[1]	SEAL-O-RING
2.	7N-2416	[1]	BEARING-PUMP DRIVE
3.	1Y-7574	[4]	BOLT-HEAD (3/8-16X2.5-IN)
4.	0S-1585	[2]	BOLT (1/2-13X1.5-IN)
5.	7N-2550	[1]	COUPLING
6.	9H-8872	[1]	GASKET
7.	8P-1438	[1]	COVER
8.	0S-1591	[6]	BOLT (3/8-16X1.5-IN)
9.	7N-2432	[1]	ADAPTER-HYDRAULIC PUMP
10.	7N-2533	[1]	GASKET
11.	7N-2549	[1]	GEAR-AUXILIARY DRIVE (42-TEETH)
12.	2M-0849	[2]	WASHER-HARD (13.5X25.5X5-MM THK)

7N-2645: DRIVE GP-PUMP

DRIVE GP-PUMP

7N-2645 DRIVE GP-PUMP
LH AND RH REAR, MOUNTED ON LH REAR OF SAE NO. 1 FLYWHEEL HOUSING
FOR USE WITH CUSTOMER SUPPLIED "A" SIZE PUMP WITH SAE NO. 2 BOLT MOUNTING FLANGE
FOR USAGE REFER TO CHART @@@@@ 7N-9032@@@@@
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-2549	[1]	GEAR-AUXILIARY DRIVE (42-TEETH)
2.	6V-5101	[1]	SEAL-O-RING
3.	7N-2416	[1]	BEARING-PUMP DRIVE
4.	0L-1351	[2]	BOLT (3/8-16X0.875-IN)
5.	4P-1650	[1]	COVER
6.	7N-2558	[1]	COUPLING
7.	0S-1591	[6]	BOLT (3/8-16X1.5-IN)
8.	7N-2482	[1]	ADAPTER-HYDRAULIC PUMP
9.	0S-1571	[4]	BOLT (3/8-16X1.75-IN)
10.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
11.	1H-7339	[1]	SEAL-O-RING
12.	7N-2491	[1]	GASKET

4P-8523: FLYWHEEL GP

FLYWHEEL GP

4P-8523 FLYWHEEL GP
FOR USE WITH SAE NO. 1 FLYWHEEL HOUSING
CANNOT BE USED WITH SAE NO. 0 FLYWHEEL HOUSING

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4P-8094	[12]	BOLT-12 POINT HEAD
	3G-8856	[12]	WASHER (17X30X5-MM THK)
2.	7W-1248	[1]	FLYWHEEL AS
3.	4N-2514	[1]	GEAR (113-TEETH)

4N-6341: GEAR GP-FRONT

GEAR GP-FRONT

4N-6341 GEAR GP-FRONT -TIMING

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2B-2695	[4]	BOLT (5/16-18X0.875-IN)
2.	112-9217	[1]	PLATE-THRUST
3.	2W-4087 C	[1]	GEAR AS-IDLER (35-TEETH)
	6N-0977	[1]	BUSHING
4.	2W-3875 C	[1]	GEAR-OIL PUMP DRIVE (56-TEETH)
5.	1P-7346	[1]	WASHER-HARD (10.2X35X6-MM THK)
6.	0S-1571	[1]	BOLT (3/8-16X1.75-IN)
7.	1B-8705	[1]	KEY-WOODRUFF
8.	7S-5005	[2]	DOWEL
9.	6N-1025	[1]	SHAFT-PUMP IDLER
	4H-1641	[1]	PIN-SPRING
10.	3B-1915	[2]	BOLT (3/8-16X1.375-IN)
11.	6N-1027	[1]	PLATE-THRUST
12.	0T-0573	[1]	BOLT (3/8-16X2.75-IN)
13.	271-5656	[1]	GEAR AS-IDLER (99/43-TEETH)
	1B-8705	[1]	KEY-WOODRUFF
	131-7123	[1]	BUSHING
14.	117-9712	[1]	SHAFT-DRIVE IDLER
15.	3G-2292	[5]	BOLT-LOCKING (3/8-16X0.87-IN)
16.	7N-2443	[1]	WASHER-THRUST (2.508X3.5X0.188-IN THK)
17.	5M-2894	[3]	WASHER-HARD (10.2X18.5X2.5-MM THK)
	C		CHANGE FROM PREVIOUS TYPE

4N-3825: GEAR GP-REAR

GEAR GP-REAR

4N-3825 GEAR GP-REAR

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4W-9985	[1]	GEAR-CAMSHAFT (86-TEETH)
2.	1B-9575	[4]	BOLT (5/16-18X1.56-IN)
	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)

1W-1630: GUARD GP-BELT

GUARD GP-BELT

1W-1630 GUARD GP-BELT
DAMPER & ALTERNATOR
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0T-0573	[1]	BOLT (3/8-16X2.75-IN)
2.	5M-2894	[11]	WASHER-HARD (10.2X18.5X2.5-MM THK)
3.	2M-3403	[1]	BOLT (3/8-16X3.63-IN)
4.	0S-1594	[6]	BOLT (3/8-16X1-IN)
5.	1D-4717	[2]	NUT (3/8-16-THD)
6.	8N-9343	[2]	BRACKET
7.	1W-1629	[1]	DAMPER & GUARD AS
8.	3L-3825	[1]	SPACER (0.493X0.675X1.375-IN THK)

6I-1846: GUARD GP-BELT

GUARD GP-BELT

6I-1846 GUARD GP-BELT
MOUNTS TO FRONT ENGINE SUPPORT AND ALTERNATOR MOUNTING BRACKET
FOR USE WITH AN ALTERNATOR AND SEAWATER PUMP
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6I-1845 J	[1]	GUARD AS
2.	0L-1351	[3]	BOLT (3/8-16X0.875-IN)
3.	5M-2894	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
4.	0S-1588	[1]	BOLT (3/8-16X1.25-IN)
5.	5P-1075	[3]	WASHER-HARD (10.2X22.5X3-MM THK)
			-OR-
	144-4581 AFJ	[1]	GUARD
	4L-6459 AFJ	[2]	BOLT (3/8-16X2.5-IN)
	5P-1075 AFJ	[8]	WASHER-HARD (10.2X22.5X3-MM THK)
	6V-8801 AFJ	[2]	NUT (3/8-16-THD)
	7W-9094 AFJ	[4]	SPACER (11X20X9-MM THK)
	7X-0289 AFJ	[1]	BOLT (3/8-16X1.875-IN)
	7X-3186 AFJ	[1]	BOLT (3/8-16X2.125-IN)
	8R-8088 AFJ	[4]	SPACER (11.66X15.88X18-MM THK)
	A		NOT PART OF THIS GROUP
	F		NOT SHOWN
	J		PARTS MARKED J REPLACE PART MARKED J

6N-2890: GUARD GP-DAMPER

GUARD GP-DAMPER

6N-2890 GUARD GP-DAMPER
FOR USE WITH ALTERNATOR OR FRONT POWER TAKE-OFF
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5M-2894	[9]	WASHER-HARD (10.2X18.5X2.5-MM THK)
2.	0S-1594	[1]	BOLT (3/8-16X1-IN)
3.	1W-1164	[1]	DAMPER & GUARD AS
4.	1D-4717	[2]	NUT (3/8-16-THD)
5.	8N-9343	[2]	BRACKET
6.	0L-1351	[4]	BOLT (3/8-16X0.875-IN)
7.	3B-1915	[2]	BOLT (3/8-16X1.375-IN)
	6B-0933 A	[2]	SPACER (10.31X19.05X6.35-MM THK)
	A		NOT PART OF THIS GROUP

7E-3098: GUARD GP-DAMPER

GUARD GP-DAMPER

7E-3098 GUARD GP-DAMPER
FOR USE WHEN NO ACCESSORIES ARE DRIVEN FROM FRONT CRANKSHAFT PULLEYS
AN ATTACHMENT

Parts for your 3412 MARINE ENGINE:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1588	[2]	BOLT (3/8-16X1.25-IN)
2.	5M-2894	[7]	WASHER-HARD (10.2X18.5X2.5-MM THK)
3.	0S-1594	[1]	BOLT (3/8-16X1-IN)
4.	1W-1164	[1]	DAMPER & GUARD AS
5.	0L-2070	[1]	BOLT (3/8-16X2.25-IN)
6.	1B-4971	[1]	SPACER (0.406X1X1-IN THK)

Information:

BASIC ENGINE

DRIVE GP-PUMP

Engine News

Jacket Water Pumps Now Include New Tapered Roller Bearings {1361}
1995/03/01

Special Instruction

Installation of Water Pump Seal Group{1361}
Installation of Water Pump Seal Group{1361}

Service Letter-NACD

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-Australia

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-CFEL

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-CSARL

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-Americas

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-Brazil

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-Truck/Ag/Marine

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Service Letter-China

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-Asia

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Service Letter-APD

Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock
Water Pumps In Parts Stock Need To Have The Coolant Seals Replaced And Certain Seals Need To Be Removed From Stock

Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock
Remove All 6I1775 Pump Drive Bearings With Engineering Change "0" Used On 3408 And 3412 Engines From Parts Stock

Disassembly and Assembly

Water Pump
3408 & 3412 HIGH PERFORMANCE MARINE ENGINES

Service Magazine

New, Corrosion Resistant Water Pump Shaft Available{1389,1361}
1985/08/05

Replacement Seal Group For Water Pump Impeller Now Has All The Seal Parts Plus An Installation Tool{1361,0622}
1978/02/13

New Seal Group Used In Water Pump Groups{1361}
1993/04/12

New Cast Iron Water Pump Adapter Resistant To Erosion{1361}
1993/08/09

Caterpillar Parts SIS Catalog 3412 :

Truck sale:

95,720

Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

96,795

Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

93,569

Caterpillar 3412, mobile generator sets, Construction
- mobile generator sets
FINANZAUTO S.A.

60,000

Caterpillar 3412, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY

159,600

Caterpillar 3412, Stationary Generator Sets, Construction
- Stationary Generator Sets
FOLEY EQUIPMENT COMPANY