Well service engines
3512E DGB Tier 4 Final
The land well service 3512E Dynamic Gas Blending™ dual fuel engine is certified to U.S. EPA Tier 4 Final emissions standard while offering the highest natural gas substitution in its class. The 3512E DGB will include factory solutions that emit approximately the same or less greenhouse gas (GHG) emissions as a comparable 3512E Tier 4 Final diesel engine. Additionally, the dual fuel performance of the new 3512E DGB has significantly increased compared to similar engines in its class with the ability to achieve 85% diesel displacement, further allowing for lower operating costs.
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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
Testing
- 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
- 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: www.cat.com/oilandgas
| Maximum Rating | 2500.0 BHP |
|---|---|
| Displacement | 3596.0 in³ |
| Minimum Rating | 2250.0 BHP |
| Aspiration | SCAC and ATAAC |
| Flywheel and Flywheel Housing | SAE No. 0 |
| Flywheel Teeth | 151 |
| Stroke | 8.5 in |
| Bore | 6.7 in |
| Governor and Protection | Electronic (ADEM™ A5) / DGB System (ADEM™ A6) |
| Rotation from Flywheel End | Counterclockwise |
| Emissions | U.S. EPA Tier 4 Final |
|---|
| Length | 137.4 in |
|---|---|
| Width | 88.0 in |
| Height | 107.0 in |
| Weight | 22657.0 lb |
| Lube Oil System - Refill | 52 gal (US) |
|---|---|
| Cooling System | 52 gal (US) |
Control System
- Cat ADEM A6 DGB controls
Cooling System
- Thermostats and housing, jacket and separate circuit water pump, gear-driven centrifugal
- SCAC/ATAAC system
Exhaust System
- Dual DOC
- Exhaust manifold, dry, bellows connection
- Four turbochargers with watercooled bearings
- Exhaust outlet, dual 10-inch ANSI round flange as part of aftertreatment
Flywheels & Flywheel Housing
- Flywheel, SAE No. 0, 151 teeth
Fuel System
- Engine mounted Gas filter, water coalescing type
- Clean fuel module boost pump
- Fuel transfer pump
- Common rail fuel system
- Primary/secondary fuel filters
- Fuel priming pump (electric)
Instrumentation
- Product LinkTM engine monitoring
General
- Vibration damper and guard
- Lifting eyes
- Paint - Caterpillar yellow
Lube System
- Closed Crankcase ventillation - top mounted
- Fumes disposal
- Oil filter - RH spin-on type
- Oil cooler
- Oil filler and dipstick - LH
- Oil scavenger pump
- Oil pump
- Oil pan drain valve, 1" NPT female connection
Mounting System
- Trunion front support
- Flywheel housing - two-sidedfailure options
Protection System
- Emergency stop logic inputs provided at 70-pin customer interface connection
- ADEM A5 and A6 ECU system to provide customer programmable engine deration strategies to protect against adverse operating conditions
Aftertreatment Mounting
- CEM/muffler support package Heavy-duty air cleaners (2 element with precleaners)
Need installed dimensions with enclosure and tank? See Model Configurations
