Land Well Service 3512E Dynamic Gas Blending dual fuel Engine

Land Well Service 3512E Dynamic Gas Blending dual fuel Engine

3512E DGB SCAC 360° Exterior View

The new land well service 3512E Dynamic Gas Blending™ dual fuel engine will be certified to U.S. EPA Tier 4 Final emissions standard while offering the highest natural gas substitution ...
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General Specifications

Maximum Rating
Minimum Rating
Flywheel and Flywheel Housing
SAE No. 0
Flywheel Teeth
Governor and Protection
Electronic (ADEM™ A5) / DGB System (ADEM™ A6)
Rotation from Flywheel End


U.S. EPA Tier 4 Final



Capacity for Liquids

Lube Oil System - Refill
52gal (US)
Cooling System
52gal (US)

Engine Design

  • Proven reliability and durability
  • Robust diesel strength design prolongs life and lowers owning and operating costs
  • Broad operating speed range
  • Air shutoff – integrated with engine controls
  • EGR/Diesel Oxidation Catalyst (DOC)/common rail fuel system to meet Tier 4 Final/Stage IV emission standards
  • DEF free solution – eliminates the storage, logistics, and issues involved with SCR/DEF design engines
  • Individual cylinder based gas injection system.
  • Engine mounted DGB controls.
  • Engine mounted Gas filter, water coalescing type

Cooling System

Separate Circuit Aftercooler (SCAC) and Air-to-Air-Aftercooler (ATAAC)

Engine-Mounted Package

Integrates with engine, aftertreatment, heavy-duty air cleaners, residential grade mufflers available in stainless or carbon steel

Engine-Mounted Transmission Oil Cooler

Integration with engine cooling system allows ease of installation and a tighter overall engine package

Advanced Digital Engine Management

ADEM A6 DGB based controls seamlessly integrated with A5 engine management system.

Custom Packaging

For any petroleum application, trust Caterpillar to meet your exact needs with a factory custom package. Cat engines, generators, enclosures, controlsCustom Packaging , radiators, transmissions – anything your project requires – can be custom designed and matched to create a one-of-a kind solution. Custom packages are globally supported and are covered by a one-year warranty after startup.

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time


Every engine is full-load tested with diesel fuel and with natural gas to ensure proper engine performance.

Product Support Offered Through Global Cat Dealer Network

  • More than 2,200 dealer outlets
  • Cat factory-trained dealer technicians service every aspect of your petroleum engine
  • Cat parts and labor warranty
  • Preventive maintenance agreements available for repair-before-failure options

S•O•SSM program matches your oil and coolant samples

  • 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.

  • Cast engine blocks, heads, cylinder liners, front and flywheel housings
  • Machine critical components
  • Assemble complete engine

Web Site

For all your oil & gas power requirements, visit:

Standard Equipment:

Optional Equipment:

    Charging System
    • 80, 95, or 150 amp charging alternator
    Control System
    • Local speed throttle control
    • Throttle position sensors
    Cooling System
    • Coolant conditioner
    • JW outlet coupling-style connections
    • JW inlet weld-flange connection
    • SCAC/ATAAC inlet and outlet coupling-style connections
    • JW inlet and outlet hose barb connections
    • SCAC/ATAAC inlet and outlet hose barb connections Water level switch gauge
    • JW Heater installation connections
    Exhaust System
    • Flex pipe kit
    • Residential mufflers (painted steel and stainless steel) with outlet elbow and rain cap
    Flywheels & Flywheel Housing
    • Allison and Twin Disc flywheel options
    • Product Link harness extensions
    • LAN adapters
    Lube System
    • Rear sump oil pan - 250-hour change interval
    • Front deep sump oil pan - 500-hour change interval
    Power Take-offs
    • Front Crankshaft Adapter
    • Front crankshaft stub shaft
    • Accessory drive - upper RH
    Protection System
    • Hydraulic actuated air shutoff
    Starting System
    • Dual hydraulic starter - LH
    • Manual engine barring device
    • Hydraulic starter - LH
    • EIRS automatic start/stop system is available on factory orders as an attachment
    Transmission Attachments
    • Transmission oil cooler
    • Transmission oil cooler 2-1 connections
    • Torque converter connections
    • Air compressor