3512

Cat 3512 engines set the standard in the drilling industry. For many years the 3500 has been the preferred choice by drillers due to their high performance, durability, and reliability in the oilfield.The ideal application for the 3512 engine is mechanical drive for land drilling rigs.3512 engines, with ratings: 761-1342 bkW (1020-1800 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.


SPECIFICATIONS
Engine Specifications
Minimum Rating 1020 BHP
Maximum Rating 1800 BHP
Emissions Non-certified
Rated Speed 1800 r/min
Bore 6.69 in
Stroke 7.48 in
Displacement 3158 in³
Aspiration Turbocharged-Aftercooled
Governor and Protection W3161
Engine Weight - Net Dry 11462 lb
Oil Change Interval 500
Rotation from Flywheel End Counterclockwise
Flywheel and Flywheel Housing SAE No. 00
Flywheel Teeth 183


Capacity for Liquids
Minimum Cooling System - Engine Only 41 gal (US)


Dimensions
Length 105.3 in
Width 67 in
Height 67.7 in


BENEFITS & FEATURES
Product Design


Developed specifically to meet the demands of oil and gas applications- Proven reliability and durability- Robust diesel strength design prolongs life and lowers owning and operating costs- Market-leading power density- Designed to perform in oilfield conditions, including high ambient and high altitude applications- Long overhaul life proven in oilfield applications- Core engine components designed for reconditioning and reuse at overhaul

Ease of Installation


- Inner-outer base mounting configuration simplifies rigintegration- Wide range of attachments enable configurationflexibility- Inner base three-point generator mounting maintainsfactory alignment- Single lifting point simplifies installation work

Engine Control and Protection


- Woodward 3161 governor- E-stop pushbutton on instrument panel - Air shutoff and explosion relief valves available - Extra alarms, inputs, and outputs available

Custom Packaging


For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

Testing


- Every Cat generator set is full-load tested to ensureproper engine performance.- Generator sets are assembled, tested, andvalidated as a package to ensure performance, reliabilityand durability.

Product Support Offered Through Global Cat Dealer Network


- More than 2,200 dealer outlets- Cat factory-trained dealer technicians service everyaspect of your Cat petroleum product- Worldwide parts availability, service, and warranty- Preventive maintenance agreements available for repairbefore-failure options- S•O•SSM program matches your oil and coolant samplesagainst 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 enablesCaterpillar to produce high quality, dependable products.

Web Site


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

EQUIPMENT
Standard Equipment

Air Inlet System
  • Corrosion-resistant aftercooler core
  • Regular duty air cleaner
  • Service indicator
Control System
  • Governor, Woodward 3161 — RH
  • Pneumatic control
  • Governor control - positive locking
Cooling System
  • Thermostats and housing (dual outlet)
  • Jacket water pump, gear driven
Exhaust System
  • Dry exhaust manifold
  • Exhaust flexible fitting, adapters, and flanges
Flywheel and Housing
  • SAE No. 00 flywheel
  • SAE No. 00 flywheel housing
  • SAE standard rotation
Fuel System
  • Fuel filter
  • Fuel transfer pump
  • Flexible fuel lines
  • Fuel priming pump
Instrumentation
  • Analog instrument gauges:
Lubrication System
  • Crankcase breather
  • Oil cooler
  • Oil filter
  • Shallow oil pan
  • Oil drain extension, 2 in NPT female connection
Mounting System
  • Rails, mounting, floor type
Power take-offs
  • Accessory drive
  • Front housing, two-sided
Protection System
  • Manual shutoff control, LH
  • Junction box
  • Safety shutoff protection, energized to shutdown
Starting System
  • Air starting motor
  • Air silencer
General
  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes

Optional Equipment

Air Inlet System
  • Heavy duty air cleaner
  • Remote air inlet adapters
Control System
  • Load sharing governor, 2301A
  • Load sharing module
  • Governor conversion to 0-200 mA direct rack control
  • Local speed throttle control
  • Throttle position sensors
Cooling System
  • High gloss black folded core radiators and conventionalcore radiators
  • Belt guard
  • Blower fan
  • Fan drive and fan pulley
  • Radiator cover
  • Water level switch gauge
  • Air separator
  • Coolant level sensors
  • Connections
Exhaust System
  • Exhaust elbows
  • Exhaust mufflers
Fuel System
  • Primary fuel filter
Generator and Attachments
  • Low voltage extension box
  • Potential and current transformers
  • Air filter
  • Cable access box
  • Bearing RTDs
Instrumentation
  • Customer management device
  • Gauges and instrumentation panels
  • Switches and contactors
Lubrication System
  • Crankcase fumes disposal
  • Oil pan accessories
Power Take-off
  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator
  • Air compressor
Protection System
  • Explosion relief valves (3)
  • Shutoffs
  • Switches and contactors
Starting System
  • Manual air starter
  • Air pressure regulator
General
  • Flywheel guard

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