Well service engines
3512C DGB
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.
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Have questions? Call 800.768.4200
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 A3 engine management system integrates speed control, air/fuel ratio control and ignition/detonation controls into a complete engine management system with integrated digital ignition, engine protection and monitoring
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.
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.
Full Range of Attachments
- Large variety of factory-installed engine attachments reduces packaging time
Testing
- Every engine is full-load tested to ensure proper engine performance
Product Support
- 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 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 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 petroleum power requirements, visit www.cat.com/oilandgas.
| Maximum Rating | 2500.0 BHP |
|---|---|
| Displacement | 3574.0 in³ |
| Minimum Rating | 2150.0 BHP |
| Aspiration | Turbocharged-Aftercooled |
| Flywheel and Flywheel Housing | SAE No. 0 |
| Flywheel Teeth | 151 |
| Stroke | 8.5 in |
| Bore | 6.7 in |
| Emissions | Non-current EPA Tier 2 |
|---|
| Length | 110.4 in |
|---|---|
| Width | 59.2 in |
| Height | 86.3 in |
| Weight | 14650.0 lb |
Air Inlet System
- Air-to-air aftercooled (ATAAC) (512DW04, 512DW05, 512DW06, 512DW07)
- Air cleaners (single element w/service indicator)
Control System
- ADEM A3 ECU, LH
- With electronic fuel injector fuel system (10 amp DC power required to drive electronic engine control module)
Cooling System
- 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
Exhaust System
- Land Well Service Engine:
- Offshore Well Service Engine:
Flywheels & Flywheel Housing
- Flywheel, SAE No. 0, 151 teeth
- Flywheel housing, SAE No. 0
Fuel System
- Primary fuel filter
- Fuel priming pump
- Fuel filter, RH spin-on type
- Fuel transfer pump
- Electronically controlled unit injectors
Instrumentation
- No standard instrumentation
- Optional — remote instrumentation available Service meter
Lube System
- 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
Mounting System
- Trunion front support
Power Take-Offs
- ATAAC (512DW04, 512DW05, 512DW06, 512DW07)
- Front housing, two-sided
Protection System
- 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
General
- Paint, Cat yellow
- Vibration damper and guard
- Lifting eyes
Need installed dimensions with enclosure and tank? See Model Configurations
