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SPECS SUMMARY

Maximum Rating900 BHP (671 bkW)
EmissionsNon-certified
Displacement2111 in³ (34.5 l)
Minimum Rating760 BHP (567 bkW)
Cat 3508B 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 3508B engine is mechanical drive for land drilling rigs.3508B engines, with ratings: 567-671 bkW (760-900 bhp) @ 1200 rpm meet U.S. EPA Non-road Tier 1 equivalent and CARB Tier 1 equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Specifications

Maximum Rating900 BHP (671 bkW)
EmissionsNon-certified
Displacement2111 in³ (34.5 l)
Minimum Rating760 BHP (567 bkW)
Bore6.69 in (170 mm)
Stroke7.48 in (190 mm)
Rated Speed1200 r/min (1200 r/min)
AspirationTurbocharged-Aftercooled
Governor and ProtectionADEM A3
Engine Weight - Net Dry9500 lb (4309 kg)
Minimum Cooling System - Engine Only27 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)
Height79.7 in (2024 mm)

Benefits and Features

- 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- Broad torque curve optimized for petroleum mechanical drive applications- 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

- Inner-outer base mounting configuration simplifies rig integration - Wide range of attachments enable configuration flexibility - Inner base three-point generator mounting maintains factory alignment - Single lifting point simplifies installation work

- ADEM A3 engine management system provided engine control, monitoring, and protection.

- E-stop pushbutton on instrument panel - Air shutoff and explosion relief valves available - Configurable alarm, derate, and shutdown set points - Extra alarms, inputs, and outputs available

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 engine set is full-load tested to ensure proper engine performance.

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 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

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

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

Standard Equipment

  • Separate circuit aftercooler core — corrosion resistant coated (airside), air cleaner (single element w/service indicator)
  • Dual rear-mounted turbochargers
  • ADEM A3 ECU — LH
  • Electronic fuel injector fuel system (10 amp DC power required todrive electronic engine control unit)
  • Torque converter connections
  • Thermostats and housing, jacket water pump, gear-drivencentrifugal
  • Connections for radiator cooling
  • Dual outlets: 88.9 mm O.D. (3.5 in) elbow hose connections
  • Separate Circuit Aftercooler (SCAC)
  • Exhaust manifold — dry, stainless steel bellows
  • Dual turbochargers with watercooled bearings
  • Exhaust outlet: 292 mm I.D. (11.5 in), 12-10.5 mm dia. holes EQ SP,376 mm bolt hole dia.
  • Flywheel, SAE No. 0 — 151 teeth
  • Flywheel housing — SAE No. 0
  • Primary fuel filter
  • Fuel priming pump
  • Fuel filter — RH spin-on type
  • Fuel transfer pump
  • Electronically controlled unit injectors
  • Electronic instrument panel
  • Instrumentation readouts:
  • 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
  • Rails — mounting, floor type
  • Front housing — two-sided
  • ADEM A3 ECU system to provide customer-programmableengine deration strategies to protect against adverse operatingconditions
  • Emergency stop logic inputs provided at 40-pin customer interfaceconnection
  • Air inlet shutoff
  • Paint — Cat yellow
  • Vibration damper and guard
  • Lifting eyes
  • B-Series LAND

Optional Equipment

  • Air cleaner and air cleaner mounting
  • Remote air inlet adapters
  • Air inlet heater
  • Battery chargers
  • Charging alternators
  • Local speed throttle control
  • Throttle position sensors
  • Load sharing modules
  • Governor conversion
  • High gloss black folded core radiators
  • Coolant regulator conversion
  • Belt guard and radiator guard
  • Blower fan
  • Radiator cover
  • Fan drive and fan pulleys
  • Water level switch gauge
  • Coolant level sensors
  • Coolant conditioner
  • Expansion tank
  • Heat exchanger cooling conversion
  • Auxiliary water pump
  • Air separator
  • IMO Certification and European Union Certification
  • Flexible exhaust fitting
  • Elbows and flange
  • Flange and exhaust adapters
  • Manifold and mufflers
  • Flexible fuel lines
  • Fuel cooler
  • Water/fuel separator
  • Fuel level switch
  • Customer management device
  • Remote panel display and remote cylinder temperature display
  • Switches and contactors
  • Gauges and instrument panels
  • Fumes disposal
  • Oil pans
  • Prelube options
  • Sump pumps
  • Oil Filters
  • Vibration isolators
  • Front housing
  • Flexible couplings
  • Coupling hub
  • Front accessory drives
  • Auxiliary drive shaft
  • Auxiliary drive pulleys
  • Front stub shaft
  • Damper guard removal
  • Pulleys
  • Flywheel stub shaft
  • Shutoffs
  • Switches and contractors
  • Explosion relief valve
  • Sensors
  • Oil pressure monitor
  • Shutoff controls
  • Corrosion protection
  • Air starting motors — electric
  • Air pressure regulator
  • Air silencer
  • Hydraulic starter
  • Air start controls — manual, electric
  • Redundant start
  • Starting aids
  • Battery sets – 24V
  • Battery cable and battery rack