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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.Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.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.

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Engine Specifications
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Minimum Rating 760.0 BHP 567.0 bkW
Maximum Rating 900.0 BHP 671.0 bkW
Emissions Non-certified Non-certified
Rated Speed 1200.0 r/min 1200.0 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 ADEM A3 ADEM A3
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

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- 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

Ease of Installation

- 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

Advanced Digital Engine Management

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

Safety

- 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

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

Product Support Offered Through the 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 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

Over 80 Years of Engine Manufacturing Experience

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

Web Site

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

3508B Standard Equipment

Air Inlet System
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  • Separate circuit aftercooler core — corrosion resistant coated (airside), air cleaner (single element w/service indicator)
  • Dual rear-mounted turbochargers

3508B Optional Equipment

Air Inlet System
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  • Air cleaner and air cleaner mounting
  • Remote air inlet adapters
  • Air inlet heater