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Overview

Well stimulation operations in the oilfield are complex and demanding. The 3512C (HD) with dynamic gas blending engine for well stimulation operations was specifically developed to lower fuel cost while while meeting the highest standards in performance, durability, reliability, and emissions. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512C (HD) engines, with ratings: 1678-1864 bkW (2250-2500 bhp) @ 1900 rpm meet IMO Tier II, U.S. EPA Marine Tier 2, and U.S. EPA Non-road Tier 2 equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

General Specifications

Units:
Minimum Rating 2150.0 bhp 1603.0 bkW Less
Maximum Rating 2500.0 bhp 1864.0 bkW Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Displacement 3574.0 in3 58.6 L Less
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0 Less
Flywheel Teeth 151 151 Less
Stroke 8.5 in. 215.0 mm Less
Bore 6.7 in 170.0 mm Less

Emissions

Emissions Non-current EPA Tier 2 Non-current EPA Tier 2 Less

Dimensions

Length 110.4 in. 2804.0 mm Less
Width 59.2 in. 1504.0 mm Less
Height 86.3 in. 2192.0 mm Less
Weight 14650.0 lb 6645.0 kg Less

Engine Design

- Proven reliability and durability - Robust diesel strength design prolongs life and lowers owning and operating costs - Broad operating speed range

Cooling System

Air-to-Air Aftercooled (ATAAC)

Engine Mounted Transmission Oil Cooler —

Integration with engine cooling system allows ease of installation and a tighter overall engine package

Advanced Digital Engine Management

ADEM A3 engine management system integrates speed control, air/fuel ratio control and ignition/detonation controls into a complete engine management system with integrated digital ignition, engine protection and monitoring

Custom Packaging

For any petroleum application, trust Caterpillar to meet your exact needs with a factory custom package. Cat® engines, generators, enclosures, controls, radiators, transmissions — anything your project requires — can be custom designed and matched to create a one-of-a kind solution. Custom packages are globally supported and are covered by a one-year warranty after startup.

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time

Testing

Every engine is full-load tested to ensure proper engine performance

Product Support

- More than 2,200 dealer outlets - Cat factory-trained dealer technicians service every aspect of your petroleum engine - Cat parts and labor warranty - Preventive maintenance agreements available for repair-before-failure options - S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: • Internal engine component condition • Presence of unwanted fluids • Presence of combustion by-products • Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

- Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products. • Cast engine blocks, heads, cylinder liners, front and flywheel housings • Machine critical components • Assemble complete engine

Web Site

For all your petroleum power requirements, visit www.catoilandgasinfo.com

3512C DGB Standard Equipment

Air Inlet System
  • Air-to-air aftercooled (ATAAC) (512DW04, 512DW05, 512DW06, 512DW07)
  • Air cleaners (single element w/service indicator)

Control System
  • ADEM A3 ECU, LH
  • With electronic fuel injector fuel system (10 amp DC power required to drive electronic engine control module)

Cooling System
  • ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
  • Torque converter connections
  • Thermostats and housing, jacket water pump, gear-driven centrifugal (gear-driven centrifugal pumps)
  • Connections for radiator cooling
  • Dual outlets: 88.9 mm O.D. (3.5 in) elbow hose connections

Exhaust System
  • Land Well Service Engine:
  • Offshore Well Service Engine:

Flywheels & Flywheel Housing
  • Flywheel, SAE No. 0, 151 teeth
  • Flywheel housing, SAE No. 0

Fuel System
  • Primary fuel filter
  • Fuel priming pump
  • Fuel filter, RH spin-on type
  • Fuel transfer pump
  • Electronically controlled unit injectors

Instrumentation
  • No standard instrumentation
  • Optional — remote instrumentation available Service meter

Lube System
  • Crankcase breather — top-mounted
  • Oil cooler
  • Oil filler and dipstick — RH
  • Oil pump
  • Oil filter — RH spin-on type
  • Rear sump oil pan, 250-hour change interval
  • Oil pan drain valve, 3/4" NPT female connection
  • Fumes disposal
  • Scavenger pump

Mounting System
  • Trunion front support

Power Take-Offs
  • ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
  • Front housing, two-sided

Protection System
  • ADEM A3 ECU system to provide customer programmable engine deration strategies to protect against adverse operating conditions
  • Emergency stop logic inputs provided at 40-pin customer interface connection
  • ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
  • Single Air inlet shutoff

General
  • Paint, Cat yellow
  • Vibration damper and guard
  • Lifting eyes

3512C DGB Optional Equipment

Air Compressors

Air Inlet System
  • Air cleaner
  • Remote air inlet adapters
  • Air inlet heater

Charging System
  • Battery chargers
  • Charging alternators

Control System
  • Throttle position sensors

Cooling System
  • Coolant level sensor
  • Coolant conditioner
  • Connections

Emissions Certifications
  • IMO Certification and European Union Certification

Exhaust System
  • Flexible exhaust fitting
  • Elbows
  • Flange
  • Flange and exhaust adapters
  • Manifold
  • Mufflers

Fuel Systems
  • Flexible fuel lines
  • Fuel cooler
  • Fuel priming pumps
  • Water/fuel separator
  • Fuel level switch

Gauges and Instrument Panels
  • Engine mount premium panel
  • Remote instrumentation

Lube System
  • RH oil filters
  • Oil pan accessories
  • Oil pan front sump — 250 hrs
  • High capacity oil pan — 500 hrs

Power Take-Offs
  • Front Accessory Drives
  • Auxiliary Drive Shaft
  • Auxiliary Drive Pulleys
  • Front Stub Shaft
  • Front Crankshaft Adapter
  • Pulleys

Protection System
  • Corrosion Protection

Starting System
  • Air starting motors
  • Air pressure regulator
  • Air silencer
  • Hydraulic starter
  • Battery sets— 24V
  • Battery cable

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
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