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Industrial Diesel Engines - Lesser Regulated & Non-Regulated
Cat® 3512B Industrial Diesel Engine
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
| Power Rating | |
|---|---|
| Maximum Power | 1231 kW (1650 hp) |
| Maximum Torque | 7180 Nm @ 1450 rpm (5296 lb-ft @ 1450 rpm) |
| Rated Speed | 1800 rpm |
| Minimum Power | 1119 kW (1500 hp) |
| Emission Standards | |
|---|---|
| Emissions | Non-Certified |
| General | |
|---|---|
| Engine Configuration | V-12, 4-Stroke-Cycle Diesel |
| Bore | 170 mm (6.7 in) |
| Stroke | 190 mm (7.5 in) |
| Displacement | 51.8 l (3158 inu00b3) |
| Aspiration | Turbocharged Aftercooled |
| Rotation from Flywheel End | Counterclockwise |
| Aftertreatment | - |
| Engine Dimensions - Approximate | |
|---|---|
| Length | 3067 mm (120.8 in) |
| Width | 1785 mm (70.3 in) |
| Height | 1806 mm (71.1 in) |
| Weight - Net Dry - Basic Operating Engine Without Optional Attachments | 6078 kg (13400 lb) |
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
- Fumes disposal (not installed)
- 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