Cat® 3612 Industrial Diesel Engine
For your largest power needs in any environment, Cat® 3612 Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. They deliver high power output, proven reliability and excellent fuel efficiency. These engines maintain low operating costs to keep your customers profitable for years to come. Industries powered by 3616 engines include Construction, Forestry, General Industrial, Material Handling and Mining. These 3612 engines, with ratings: 2980-3700 bkW (3996-4962 bhp) @ 750-1000 rpm, are non-certified and available for global non-regulated areas.
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Specifications
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Maximum Power | measurement | 4962 | hp | 3700 | kW | |
| Maximum Torque | measurement | 30848 | lb-ft @ 800 rpm | 41822 | Nm @ 800 rpm | |
| Rated Speed | text | 750-1000 rpm |
Documents & Spec Sheets
Features & Benefits
Reliable, Quiet and Durable Power
World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.
Fuel Efficiency
Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.
Quality
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOSSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including SOSSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the Cat Industrial Service Distributor (ISD) program
Complete Specifications
Power Rating
| Name | Type | Value | Unit Value (Imperial) | Unit Name | Unit Value (Metric) | Unit Name (Metric) |
|---|---|---|---|---|---|---|
| Maximum Power | measurement | 4962 | hp | 3700 | kW | |
| Maximum Torque | measurement | 30848 | lb-ft @ 800 rpm | 41822 | Nm @ 800 rpm | |
| Rated Speed | text | 750-1000 rpm | ||||
| Minimum Power | measurement | 3996 | hp | 2980 | kW | |
| Emissions | text | Non-Certified | ||||
| Engine Configuration | text | V-12, 4-Stroke-Cycle Diesel | ||||
| Bore | measurement | 11 | in | 280 | mm | |
| Stroke | measurement | 11.8 | in | 300 | mm | |
| Displacement | measurement | 13527 | in³ | 221.7 | l | |
| Aspiration | text | Turbocharged Aftercooled | ||||
| Rotation from Flywheel End | text | Counterclockwise | ||||
| Aftertreatment | text | - | ||||
| Length | measurement | 180 | in | 4562 | mm | |
| Width | measurement | 67 | in | 1704 | mm | |
| Height | measurement | 127 | in | 3231 | mm | |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | measurement | 55300 | lb | 25140 | kg |
Standard Equipment
Air Inlet System
- Aftercooler core, corrosion resistant coated (air side)
- Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
- Turbocharger, rear mounted
- Jacket water aftercooled
Control System
- Governor, RH, 3161 with self contained synthetic oil sump
- Air-fuel ratio control
- Mechanical speed control, without torque control
- Governor control
- Positive locking
Cooling System
- Thermostats and housing
- Jacket water pump, centrifugal
Exhaust System
- Exhaust manifold, dry
Flywheels and Flywheel Housing
- SAE No. 00 flywheel
- 183 flywheel teeth
- SAE No. 00 flywheel housing
Fuel System
- Fuel filter, with service indicators, cartridge type with RH service
- Fuel transfer pump
Instrumentation
- Instrument Panel, RH
- Engine oil pressure gauge
- Fuel pressure gauge
- Oil filter differential gauge
- Jacket water temperature gauge
- Service meter, electric
- Tachometer
Lube System
- Crankcase breather, top mounted
- Oil cooler
- Oil filler
- Oil dipstick
- Oil pump
- Oil filter, cartridge type with RH service
- Shallow oil pan
Mounting System
- Rails, mounting, engine length, 254 mm (10 in), industrial-type, C-channel.
Power Take Off
- Accessory drive, upper RH
- Front housing, single sided
Protection System
- Junction box
- Manual shutoff, RH
- Safety shutoff protection, energized to shutdown
- Low oil pressure, low idle 69 kPa (10 psi); high idle 207 kPa (30 psi)
- Water temperature
- Overspeed
- 3161 governor solenoid energized to shutdown
Starting System
- Starting switch
General
- Vibration damper
- Lifting eyes
- Paint: Caterpillar yellow, with optional colors available at request