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SPECS SUMMARY

Maximum Power1650 HP (1231 kW)
Maximum Torque5296 lb-ft @ 1450 rpm (7180 Nm @ 1450 rpm)
EmissionsNon-Certified
Rated Speed1800 rpm
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.

Specifications

Maximum Power1650 HP (1231 kW)
Maximum Torque5296 lb-ft @ 1450 rpm (7180 Nm @ 1450 rpm)
EmissionsNon-Certified
Rated Speed1800 rpm
Minimum Power1500 HP (1119 kW)
Length120.8 in (3067 mm)
Engine ConfigurationV-12, 4-Stroke-Cycle Diesel
Bore6.7 in (170 mm)
Stroke7.5 in (190 mm)
Displacement3158 in³ (51.8 l)
AspirationTurbocharged Aftercooled
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Width70.3 in (1785 mm)
Height71.1 in (1806 mm)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments13400 lb (6078 kg)

Benefits and Features

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

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

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

  • Scheduled maintenance, including SOSSM 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

Standard Equipment

  • 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
  • Governor, RH, 3161 with self contained synthetic oil sump
  • Air-fuel ratio control
  • Mechanical speed control, without torque control
  • Governor control
  • Positive locking
  • Thermostats and housing
  • Jacket water pump, centrifugal
  • Exhaust manifold, dry
  • SAE No. 00 flywheel
  • 183 flywheel teeth
  • SAE No. 00 flywheel housing
  • Fuel filter, with service indicators, cartridge type with RH service
  • Fuel transfer pump
  • Instrument Panel, RH
  • Engine oil pressure gauge
  • Fuel pressure gauge
  • Oil filter differential gauge
  • Jacket water temperature gauge
  • Service meter, electric
  • Tachometer
  • 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)
  • Rails, mounting, engine length, 254 mm (10 in), industrial-type, C-channel.
  • Accessory drive, upper RH
  • Front housing, single sided
  • 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 switch
  • Vibration damper
  • Lifting eyes
  • Paint: Caterpillar yellow, with optional colors available at request