3512C IMO II
3512C Propulsion Engine (IMO II)
The Cat 3512C marine propulsion engine makes your investment work harder. Through a wide range of available power ratings (including High Displacement ratings), no required aftertreatment technology, and nominal rated BSFC fuel consumption – it will drive down your total cost of ownership. With a redesigned piston bowl shape to improve combustion, and improved fuel delivery, this engine is IMO II emissions compliant and committed to sustainable environmental development. Single-source support, the Caterpillar warranty, and industry-leading one-year warranty on parts make the 3512C a fully integrated marine power solution.
Driving down total cost of ownership
A wide range of power ratings available, No aftertreatment technology required, Fuel consumption nominal rated BSFC
COMMITTED TO SUSTAINABLE DEVELOPMENT
Modified piston bowl shape to improve combustion and reduce emissions, Uses K-factor injector to align with predictive model analysis, Better electronic injection control using crank timing vs. cam timing, IMO Tier II Emissions Compliant, Lower IMAT = Lower NOx
IMPROVING WORKFORCE EFFICIENCY
Electronic governing (A4 ECU), Instrument panel shipped loose with Color Marine Power Display (MPD), Cold mode start strategy, Programmable low idle, Optional marine alarm and protection system
FULLY INTEGRATED MARINE POWER SOLUTION
Single-source support, Caterpillar warranty for all factory packaged components, Industry-leading one-year warranty on parts
Documents & Brochures
Standard Equipment
Air Inlet System
- Separate circuit aftercooler core, corrosion resistant coated (air side)
- Powercore air cleaner
Control System
- Dual Caterpillar A4 Electronic Engine Control with Electronic Unit Injector Fuel System
- Rigid Wiring Harness (10 amp DC power required to drive Electronic Engine Control Module)
Exhaust System
- 3500C engines:
Fuel System
- Fuel transfer pump
- Electronically Controlled Unit Injectors
Instrumentation
- Electronic service meter, instrument panel (24V), start/stop switch, emergency stop button, maintenance due light, diagnostic light, warning light, maintenance clear switch, start motor magnetic switch, 15 and 3A breakers
- Graphical Unit (Color Marine Power Display) for analog or digital of:
Lube System
- Crankcase breather groups, Top mounted
- Oil filler and dipstick, LH or RH
- Oil pump, gear type
- 250 or 1000 hour sump oil pan
Mounting System
- Rails, engine mounting, ledge type, 203 mm x 203 mm (8 in x 8 in) or Front Trunnion
Power Takeoffs
- Accessory drives: Lower RH, lower LH
- Front housing, two-sided
Protection System
- A4 Electronic Monitoring System provides customer programmable engine derating strategies to protect against adverse operating conditions
- Emergency stop push button (located in Electronic Instrument Panel)
- Safety shutoff protection:
General
- Vibration damper and guard
- Lifting eyes
- NOTE: Engines for heat exchanger cooling do NOT include heat exchange
Flywheel and Flywheel Housing
- Flywheel, SAE No. 00, 183 teeth
- Flywheel housing, SAE No. 00
Cooling System
- Oil cooler
- Thermostats and housing, Full open temperature 92 C (198 F)
- Jacket water pump, gear driven, centrifugal
- Auxiliary fresh water pump
- Aftercooler system: If using glycol, up to maximum 20% glycol concentration is allowed
Additional information
| Offering Type | |
|---|---|
| Power Rating - Power Range | 1280-2551 bhp (955-1902 bkW) |
| Engine Specifications - Speed Range | 1200 rpm, 1600 rpm, 1800 rpm |
| Engine Specifications - Emissions | IMO II, EU IW |
| Engine Specifications - Aspiration | TTA |
| Engine Specifications - Bore | 170.0 mm ( 6.69 in ) |
| Engine Specifications - Stroke | 190.0 mm ( 7.48 in ) |
| Engine Specifications - Displacement | 51.8 l ( 3161.0 in³ ) |
| Engine Specifications - Rotation from Flywheel End | Counterclockwise or Clockwise |
| Engine Specifications - Configuration | Vee 12, 4-Stroke-Cycle Diesel |
| Dimensions & Weights - Maximum Length | 2669.0 mm ( 105.1 in ) |
| Dimensions & Weights - Maximum Width | 2232.0 mm ( 87.9 in ) |
| Dimensions & Weights - Minimum Dry Weight | 6532.0 kg ( 14400.0 lb ) |
| Dimensions & Weights - Minimum Width | 2037.0 mm ( 80.2 in ) |
| Dimensions & Weights - Minimum Height | 1904.0 mm ( 75.0 in ) |
| Dimensions & Weights - Minimum Length | 2590.0 mm ( 102.0 in ) |
| Dimensions & Weights - Maximum Height | 2242.0 mm ( 88.3 in ) |
| Engine Specifications - Displacement - HD | 58.6 l ( 3574 in³ ) |
| Engine Specifications - Stroke - HD | 215 mm ( 8.5 in ) |
| Dimensions & Weights - Maximum Dry Weight | 7411 kg ( 16340 lb ) |
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