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Overview

The Cat® 3512 Industrial Diesel Fire Pump Engine is offered in ratings ranging from 1066-1193 bkW (1430-1600 bhp) @ 1460-1750 rpm. These ratings are non-certified, not FM Approved and not UL Listed. They are available for global non-regulated areas. Starting on demand is a must for a fire pump engine - always. Cat® fire pump engines have a reputation for reliable starts and long efficient service.

Power Rating

Units:
Minimum Power 1430.0 bhp 1066.0 bkW Less
Maximum Power 1600.0 bhp 1193.0 bkW Less
Rated Speed 1460-1750 rpm 1460-1750 rpm Less

Emission Standards

Emissions Non-Certified. Available for global non-regulated areas. Not FM Approved. Not UL Listed Non-Certified. Available for global non-regulated areas. Not FM Approved. Not UL Listed 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 34.5 L (2105 in³) 34.5 L (2105 in³) Less
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA) Less
Compression Ratio 13.0:1 13.0:1 Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less

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

Height 1743.1 mm (68.6 in) 1743.1 mm (68.6 in) Less
Length 2890.4 mm (113.8 in) 2890.4 mm (113.8 in) Less
Weight - Approximate, Net Dry (Basic Operating Engine Without Optional Attachments) 6350 kg (13999 lb) 6350 kg (13999 lb) Less

Emissions

Non-certified for U.S. EPA stationary emergency fire engines. Available for global non-regulated areas. Not FM Approved. Not UL Listed.

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.

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

3512 Standard Equipment

Air Inlet System
  • Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
  • Turbocharger, rear mounted
  • Jacket water aftercooled

Control System
  • Charging alternator 24 volt, 35 amp
  • 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. 0 flywheel
  • 151 flywheel teeth
  • SAE No. 0 flywheel housing
  • SAE standard rotation

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.
  • Included on selected top level engines

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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