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SPECS SUMMARY

Minimum Rating680 BHP (507 bkW)
Maximum Rating1135 BHP (846 bkW)
EmissionsNon-certified
Rated Speed1900 r/min (1900 r/min)
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. 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.

Specifications

Minimum Rating680 BHP (507 bkW)
Maximum Rating1135 BHP (846 bkW)
EmissionsNon-certified
Rated Speed1900 r/min (1900 r/min)
Bore6.69 in (170 mm)
Stroke7.48 in (190 mm)
Displacement2111 in³ (34.5 l)
AspirationTurbocharged-Aftercooled
Governor and ProtectionW3161
Engine Weight - Net Dry9500 lb (4309 kg)
Minimum Cooling System - Engine Only27.2 gal (US) (103 l)
Oil Change Interval500
Rotation from Flywheel EndCounterclockwise
Flywheel and Flywheel HousingSAE No. 00
Flywheel Teeth151
Length84.1 in (2136 mm)
Width67 in (1702 mm)
Height67.7 in (1720 mm)

Benefits and Features

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.

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.

- 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.

- 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

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

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

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

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

Standard Equipment

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

Optional Equipment

  • Heavy duty air cleaner
  • Remote air inlet adapters
  • Load sharing governor, 2301A
  • Load sharing module
  • Governor conversion to 0-200 mA direct rack control
  • Local speed throttle control
  • Throttle position sensors
  • 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 elbows
  • Exhaust mufflers
  • Primary fuel filter
  • Low voltage extension box
  • Potential and current transformers
  • Air filter
  • Cable access box
  • Bearing RTDs
  • Customer management device
  • Gauges and instrumentation panels
  • Switches and contactors
  • Crankcase fumes disposal
  • Oil pan accessories
  • Crankshaft pulley
  • Front stub shaft
  • Charging alternator
  • Air compressor
  • Explosion relief valves (3)
  • Shutoffs
  • Switches and contactors
  • Manual air starter
  • Air pressure regulator
  • Flywheel guard