3512B

Maximum Power
1650 hp / 1231 kW
Maximum Torque
5296 lb-ft @ 1450 rpm / 7180 Nm @ 1450 rpm
Minimum Power
1500 hp / 1119 kW

For your largest power needs in any environment, Cat?? 3512B Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. They deliver high power output, proven reliability and excellent fuel efficiency. These engines maintain low operating costs to keep your customers profitable for years to come. Industries and applications powered by 3512B engines include Bore/Drill Rigs, Chippers/Grinders, Construction, Cranes, Dredgers, Forestry, General Industrial, Material Handling, Mining, Mobile Earthmoving Equipment, Pumps, Shovels/Draglines, Surface Hauling Equipment and Trenchers. These 3512B engines, with ratings: 1119-1231 bkW (1500-1650 bhp) @ 1800 rpm, are non-certified. They are available for global non-regulated areas.

Power Rating
Maximum Power 1650 hp / 1231 kW
Maximum Torque 5296 lb-ft @ 1450 rpm / 7180 Nm @ 1450 rpm
Rated Speed 1800 rpm
Minimum Power 1500 hp / 1119 kW
Emission Standards
Emissions Non-Certified
General
Engine Configuration V-12, 4-Stroke-Cycle Diesel
Bore 6.7 in / 170 mm
Stroke 7.5 in / 190 mm
Displacement 3158 in³ / 51.8 l
Aspiration Turbocharged Aftercooled
Rotation from Flywheel End Counterclockwise
Aftertreatment -
Engine Dimensions - Approximate
Length 120.8 in / 3067 mm
Width 70.3 in / 1785 mm
Height 71.1 in / 1806 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 13400 lb / 6078 kg

Standard Equipment

  • Air Inlet System
    • Aftercooler core, corrosion resistant coated (air side)
    • Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
    • Turbocharger, rear mounted
    • Jacket water aftercooled
  • Control System
    • Governor, RH, 3161 with self contained synthetic oil sump
    • Air-fuel ratio control
    • Mechanical speed control, without torque control
    • Governor control
    • Positive locking
  • Cooling System
    • Thermostats and housing
    • Jacket water pump, centrifugal
  • Exhaust System
    • Exhaust manifold, dry
  • Flywheels and Flywheel Housing
    • SAE No. 00 flywheel
    • 183 flywheel teeth
    • SAE No. 00 flywheel housing
  • Fuel System
    • Fuel filter, with service indicators, cartridge type with RH service
    • Fuel transfer pump
  • Instrumentation
    • Instrument Panel, RH
    • Engine oil pressure gauge
    • Fuel pressure gauge
    • Oil filter differential gauge
    • Jacket water temperature gauge
    • Service meter, electric
    • Tachometer
  • Lube System
    • Crankcase breather, top mounted
    • Oil cooler
    • Oil filler
    • Oil dipstick
    • Oil pump
    • Oil filter, cartridge type with RH service
    • Shallow oil pan
    • Fumes disposal (not installed)
  • Mounting System
    • Rails, mounting, engine length, 254 mm (10 in), industrial-type, C-channel.
  • Power Take Off
    • Accessory drive, upper RH
    • Front housing, single sided
  • Protection System
    • Junction box
    • Manual shutoff, RH
    • Safety shutoff protection, energized to shutdown
    • Low oil pressure, low idle 69 kPa (10 psi); high idle 207 kPa (30 psi)
    • Water temperature
    • Overspeed
    • 3161 governor solenoid energized to shutdown
  • Starting System
    • Starting switch
  • General
    • Vibration damper
    • Lifting eyes
    • Paint: Caterpillar yellow, with optional colors available at request
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