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Overview

The Cat® 3512B Industrial Diesel Engine is offered in ratings ranging from 1119-1231 bkW (1500-1650 bhp) @ 1800 rpm. These ratings are non-certified and are available for global non-regulated areas. 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.

Power Rating

Units:
Minimum Power 1500.0 bhp 1119.0 bkW Less
Maximum Power 1650.0 bhp 1231.0 bkW Less
Rated Speed 1800 rpm 1800 rpm Less

Emission Standards

Emissions Non-certified Non-certified Less

General

Engine Configuration V-12, 4-Stroke-Cycle Diesel V-12, 4-Stroke-Cycle Diesel Less
Bore 170 mm (6.7 in) 170 mm (6.7 in) Less
Stroke 190 mm (7.5 in) 190 mm (7.5 in) Less
Displacement 51.8 L (3158 in³) 51.8 L (3158 in³) Less
Aspiration Turbocharged Aftercooled Turbocharged Aftercooled Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length 3067 mm (120.8 in) 3067 mm (120.8 in) Less
Width 1785 mm (70.3 in) 1785 mm (70.3 in) Less
Height 1806 mm (71.1 in) 1806 mm (71.1 in) Less
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 6078 kg (13,400 lb) 6078 kg (13,400 lb) Less

Emissions

Non-certified rating. Available for global non-regulated areas.

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including S•O•SSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

3512B 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: Cat yellow, with optional colors available at request

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