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Oil and Gas

3512

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Overview

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.Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.3512 engines, with ratings: 761-1342 bkW (1020-1800 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.

Engine Specifications

Units:
Minimum Rating 1020.0 BHP 761.0 bkW Less
Maximum Rating 1800.0 BHP 1342.0 bkW Less
Emissions Non-certified Non-certified Less
Rated Speed 1800.0 r/min 1200.0 r/min Less
Bore 6.69 in 170.0 mm Less
Stroke 7.48 in 190.0 mm Less
Displacement 3158.0 in³ 52.0 l Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Governor and Protection W3161 W3161 Less
Engine Weight - Net Dry 11462.0 lb 5204.0 kg Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Oil Change Interval 500 500 Less
Flywheel and Flywheel Housing SAE No. 00 SAE No. 00 Less
Flywheel Teeth 183 183 Less

Capacity for Liquids

Minimum Cooling System - Engine Only 41.0 gal (US) 157.0 l Less

Dimensions

Length 105.3 in 2675.0 mm Less
Width 67.0 in 1702.0 mm Less
Height 67.7 in 1720.0 mm Less

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.

3512 Standard Equipment

Air Inlet System
  • Corrosion-resistant aftercooler core
  • Heavy duty air cleaner
  • Regular duty air cleaner
  • Remote air inlet adapters
  • Service indicator

Control System
  • Load sharing governor, 2301A
  • Governor, Woodward 3161 — RH
  • Load sharing module
  • Pneumatic control
  • Governor conversion to 0-200 mA direct rack control
  • Governor control - positive locking
  • Local speed throttle control
  • Throttle position sensors

Cooling System
  • Thermostats and housing (dual outlet)
  • Jacket water pump, gear driven
  • 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
  • Dry exhaust manifold
  • Exhaust flexible fitting, adapters, and flanges
  • Exhaust elbows
  • Exhaust mufflers

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
  • Primary fuel filter

Lubrication System
  • Crankcase breather
  • Oil cooler
  • Oil filter
  • Shallow oil pan
  • Oil drain extension, 2 in NPT female connection
  • Crankcase fumes disposal
  • Oil pan accessories

Mounting System
  • Rails, mounting, floor type

Power take-offs
  • Accessory drive
  • Front housing, two-sided

Protection System
  • Manual shutoff control, LH
  • Explosion relief valves (3)
  • Junction box
  • Safety shutoff protection, energized to shutdown
  • Shutoffs
  • Switches and contactors

General
  • Flywheel guard
  • Paint - Cat yellow
  • Vibration damper and guard
  • Lifting eyes

3512 Optional Equipment

Generator and Attachments
  • Low voltage extension box
  • Potential and current transformers
  • Air filter
  • Cable access box
  • Bearing RTDs

Instrumentation
  • Analog instrument gauges:
  • Customer management device
  • Gauges and instrumentation panels
  • Switches and contactors

Power Take-off
  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator
  • Air compressor

Starting System
  • Manual air starter
  • Air pressure regulator
  • Air starting motor
  • Air silencer

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