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Well stimulation operations in the oilfield are complex and demanding. The 3512C (HD) with dynamic gas blending engine for well stimulation operations was specifically developed to lower fuel cost while while meeting the highest standards in performance, durability, reliability, and emissions. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512C (HD) engines, with ratings: 1678-1864 bkW (2250-2500 bhp) @ 1900 rpm meet IMO Tier II, U.S. EPA Marine Tier 2, and U.S. EPA Non-road Tier 2 equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.
Request a QuoteMaximum Rating2500BHP
Displacement3574in³
Minimum Rating2150BHP
AspirationTurbocharged-Aftercooled
Flywheel and Flywheel HousingSAE No. 0
Flywheel Teeth151
Stroke8.5in
Bore6.7in
EmissionsNon-current EPA Tier 2
Length110.4in
Width59.2in
Height86.3in
Weight14650lb
Standard
Air-to-air aftercooled (ATAAC) (512DW04, 512DW05, 512DW06, 512DW07)
Air cleaners (single element w/service indicator)
Optional
Air cleaner
Remote air inlet adapters
Air inlet heater
Standard
ADEM A3 ECU, LH
With electronic fuel injector fuel system (10 amp DC power required to drive electronic engine control module)
Optional
Throttle position sensors
Standard
ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
Torque converter connections
Thermostats and housing, jacket water pump, gear-driven centrifugal (gear-driven centrifugal pumps)
Connections for radiator cooling
Dual outlets: 88.9 mm O.D. (3.5 in) elbow hose connections
Optional
Coolant level sensor
Coolant conditioner
Connections
Standard
Land Well Service Engine:
Offshore Well Service Engine:
Optional
Flexible exhaust fitting
Elbows
Flange
Flange and exhaust adapters
Manifold
Mufflers
Standard
Flywheel, SAE No. 0, 151 teeth
Flywheel housing, SAE No. 0
Standard
Primary fuel filter
Fuel priming pump
Fuel filter, RH spin-on type
Fuel transfer pump
Electronically controlled unit injectors
Standard
No standard instrumentation
Optional — remote instrumentation available Service meter
Standard
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
Fumes disposal
Scavenger pump
Optional
RH oil filters
Oil pan accessories
Oil pan front sump — 250 hrs
High capacity oil pan — 500 hrs
Standard
Trunion front support
Standard
ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
Front housing, two-sided
Optional
Front Accessory Drives
Auxiliary Drive Shaft
Auxiliary Drive Pulleys
Front Stub Shaft
Front Crankshaft Adapter
Pulleys
Standard
ADEM A3 ECU system to provide customer programmable engine deration strategies to protect against adverse operating conditions
Emergency stop logic inputs provided at 40-pin customer interface connection
ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
Single Air inlet shutoff
Optional
Corrosion Protection
Standard
Paint, Cat yellow
Vibration damper and guard
Lifting eyes
Optional
Battery chargers
Charging alternators
Optional
IMO Certification and European Union Certification
Optional
Flexible fuel lines
Fuel cooler
Fuel priming pumps
Water/fuel separator
Fuel level switch
Optional
Engine mount premium panel
Remote instrumentation
Optional
Air starting motors
Air pressure regulator
Air silencer
Hydraulic starter
Battery sets— 24V
Battery cable
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