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3508

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Overview

Cat 3508 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 3508 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. 3508 engines, with ratings: 3508 engines, with ratings: 507-846 bkW (680-1135 bhp) @ 1200-1900 rpm. Not emissions certified, available for non-regulated areas.

Engine Specifications

  • Minimum Rating 680.0 BHP 507.0 bkW
  • Maximum Rating 1135.0 BHP 846.0 bkW
  • Emissions Non-certified Non-certified
  • Rated Speed 1900.0 r/min 1900.0 r/min
  • Bore 6.69 in 170.0 mm
  • Stroke 7.48 in 190.0 mm
  • Displacement 2111.0 in³ 34.5 l
  • Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
  • Governor and Protection W3161 W3161
  • Engine Weight - Net Dry 9500.0 lb 4309.0 kg
  • Oil Change Interval 500 500
  • Rotation from Flywheel End Counterclockwise Counterclockwise
  • Flywheel and Flywheel Housing SAE No. 00 SAE No. 00
  • Flywheel Teeth 151 151

Capacity for Liquids

  • Minimum Cooling System - Engine Only 27.2 gal (US) 103.0 l

Dimensions

  • Length 84.1 in 2136.0 mm
  • Width 67.0 in 1702.0 mm
  • Height 67.7 in 1720.0 mm

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.

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 ensure proper engine performance. - Generator sets are assembled, tested, and validated as a package to ensure performance, reliability and durability.

Product Support Offered Through Global Cat Dealer Network

- More than 2,200 dealer outlets - Cat factory-trained dealer technicians service every aspect 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 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.

Over 80 Years of Engine Manufacturing Experience

Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products.

Web Site

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

Web Site

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

3508 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

3508 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 conventional core 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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