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Underground 3406E Mining ATAAC 360-500 hp Equipment CATERPILLAR® ENGINE SPECIFICATIONS In-Line 6 Cylinder, 4-Stroke-Cycle Diesel Bore — in (mm) . . . . . . . . . . . . . . . . . . . . . . 5.4 (137) Stroke — in (mm). . . . . . . . . . . . . . . . . . . . 6.5 (165) Displacement — cu in (L) . . . . . . . . . . . . 893 (14.6) Aspiration . . . . . . . . . . Turbocharged for ATAAC1 Compression Ratio . . . . . . . . . . . . . . . . . . . . 16.25:1 Rotation (from flywheel end) . . Counterclockwise Capacity for Liquids — U.S. gal (L) Cooling System2 . . . . . . . . . . . . . . . . . . . 5.5 (20.8) Lube Oil System (refill). . . . . . . . . . . . . 9.0 (34.1) Weight, Net Dry (approx) — lb (kg) Including Flywheel . . . . . . . . . . . . . . 2867 (1303) 1 2

Air-to-Air Aftercooling Engine only. Capacity will vary with radiator size and use of cab heater.

Shown with Optional Equipment

FEATURES ■

FUEL ECONOMY Consistent performance, variable-timed fuel injection, broad rpm turbocharger match, excellent fuel economy over entire operating range.

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High torque rise, big displacement, convenient installation, more performance for your money. ■

WORLDWIDE PRODUCT SUPPORT AND PARTS AVAILABILITY

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ELECTRONICALLY CONTROLLED

RELIABILITY AND DIESEL DURABILITY Diesel tough components, precise balance, and conservative speed for smooth operation and long engine life.

FLEXIBLE APPLICATION RANGE

Provides superior performance, emission and smoke control; allows system integration and data management.

STANDARD EQUIPMENT

STANDARD ELECTRONIC FEATURES

Cooling gear-driven jacket water pump crank pulley (2 groove V-belt) Crankcase breather Flywheel & housing SAE No. 1 (dry) Fuel spin-on, high efficiency filter priming and transfer pumps Governor full-range electronic isochronous PTO mode governing Lubricating full flow cooler right-hand oil filter left-hand filler and gauge group gear-driven pump front sump oil pan Turbocharger Vibration damper and pulley

Automatic altitude compensation Automatic fuel temp power compensation Electronic data link, ATA/SAE Electronically controlled unit injector fuel system Engine diagnostics Engine monitoring system off, warning, derate, shutdown Engine mounted sensors Fuel cooled Electronic Control Module (ECM) Programmable low idle & max rpm limit Service tool interface (SAE J1708/J1587)

3406E

UNDERGROUND MINING EQUIPMENT – 360-500 hp PERFORMANCE CURVES

Lube system rear sump RH & LH gauge and filler gps remote mounted oil filter (SL) Power take-offs crank pulley rear enclosed clutch Protection system air shutoff Starting system air starting motor jacket water heater 24V electric starters Transmission oil cooler

Rating Curve – 500 hp @ 2100 rpm 500

Power bhp

Air compressors gear driven 16 or 31 cfm Alternators and mounting gps 12V; 115A 24V; 45A, 60A, 100A Cooling system coolant conditioner coolant level sensor Flywheel and SAE No.1 or 0 housing Instrumentation Engine Monitoring System (EMS) digital tach magnetic pick-up

450 400 350 1300 1400 1500 1600 1700 1800 1900

2000 2100

Engine Speed rpm

Fuel Curve 25

Fuel Rate gal/hr

ACCESSORY EQUIPMENT

24 23 22 21 20 19 1300 1400 1500 1600 1700 1800 1900

2000 2100

Engine Speed rpm

MSHA CERTIFIED RATINGS hp

kW

Vent Rate rpm

500

373

2100

24 000

48

500

373

2100

12 500

25

490

365

2000

22 000

45

490

365

2000

10 500

21

cfm

cfm/hp

hp

kW

Particulate Index rpm cfm

cfm/hp

475

354

2100

22 000

46

475

354

2100

13 000

27

450

336

2100

21 000

47

450

336

2100

12 000

27

425

317

2100

20 000

47

425

317

2100

12 000

28

400

298

2100

18 500

46

400

298

2100

13 000

33

360

268

2100

17 000

47

360

268

2100

14 000

39

Emissions information: MSHA Cert. # 7E-B018-0 Smoke: less than 4% opacity at all operating conditions

RATING & APPLICATION INFORMATION

DIMENSIONS 49.75 in. 1264 mm

32.76 in. 832 mm

40 in. 1016 mm

18.83 in. 402 mm

Aftercooler Type . . . . . . . . . . . . . . . . . . . . Air-To-Air Altitude, Max Operating . . . . . . . . . . . . . . . . 7000 ft Application, Engine . . . . . . . . . . . . . . . . UG Mining Aspiration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TA Smoke Opacity . . . . . . . . . . . . . . . . . . . . . . . . . < 4%* Combustion Sys. Type. . . . . . . . . . . . . . . . . . . . . . DI Duty Type . . . . . . . . . . . . . . . . . . . . . Mining Vehicle Exhaust Manifold Type . . . . . . . . . . . . . . . . . . . . Dry Governor Type . . . . . . . . . . . . . . . . . . . . . Electronic * Smoke less than 4% opacity under all operating conditions.

RATING DEFINITIONS AND CONDITIONS Ratings are based on SAE J1349 standard conditions of 29.61 in Hg (100 kPa) and 77° F (25° C). These ratings also apply at DIN6270 standard conditions of 28.97 in Hg (97.8 kPa) and 68° F (20° C).

Fuel rates are based on power requirements of fuel oil having an HHV of 19 590 Btu/Ib (45 570 kJ/kg) and weighing 7.076 Ib/U.S. gal (848 g/liter).

Materials and specifications are subject to change without notice. LEHH8422-02

Printed in U.S.A.

The International System of Units (SI) is used in this publication. © 1998 Caterpillar Inc. All rights reserved.