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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.
Request a QuoteMaximum Power1650HP
Maximum Torque5296lb-ft @ 1450 rpm
Rated Speed1800 rpm
Minimum Power1500HP
EmissionsNon-Certified
Length120.8in
Width70.3in
Height71.1in
Weight - Net Dry - Basic Operating Engine Without Optional Attachments13400lb
Engine ConfigurationV-12, 4-Stroke-Cycle Diesel
Bore6.7in
Stroke7.5in
Displacement3158in³
AspirationTurbocharged Aftercooled
Rotation from Flywheel EndCounterclockwise
Aftertreatment-
Standard
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
Standard
Governor, RH, 3161 with self contained synthetic oil sump
Air-fuel ratio control
Mechanical speed control, without torque control
Governor control
Positive locking
Standard
Thermostats and housing
Jacket water pump, centrifugal
Standard
Exhaust manifold, dry
Standard
SAE No. 00 flywheel
183 flywheel teeth
SAE No. 00 flywheel housing
Standard
Fuel filter, with service indicators, cartridge type with RH service
Fuel transfer pump
Standard
Instrument Panel, RH
Engine oil pressure gauge
Fuel pressure gauge
Oil filter differential gauge
Jacket water temperature gauge
Service meter, electric
Tachometer
Standard
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)
Standard
Rails, mounting, engine length, 254 mm (10 in), industrial-type, C-channel.
Standard
Accessory drive, upper RH
Front housing, single sided
Standard
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
Standard
Starting switch
Standard
Vibration damper
Lifting eyes
Paint: Caterpillar yellow, with optional colors available at request
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