Complete List of Caterpillar Diesel Engine Models
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Caterpillar Diesel Engine Power Range Overview
Caterpillar offers a wide range of diesel engine models that deliver reliable power for multiple industries — from construction and mining to marine and power generation applications.
| Engine Model | Rated Power (kW) | Rated Speed (rpm) |
|---|---|---|
| C0.7 | 8.8 – 15.3 | 2200 – 3600 |
| C3.4B (<56 kW) | 45 – 55.4 | 2200–2500 |
| C3.4B (>56 kW) | 63 – 90 | 2200–2500 |
| C3.6 | 55 – 100 | 2000–2400 |
| C18 ACERT™ | 447 – 597 | 1800–1900 |
| 3054C | 52 – 97 | 2200–2400 |
| C7.1 | 112 – 162 | 1950–2200 |
| C9 ACERT™ | 205 – 280 | 1800–2200 |
| 3406C | 280 – 347 | 1800–2100 |
| 3508 / 3508B | 507 – 820 | 1200–1800 |
| 3512 / 3512B / 3512C | 761 – 1231 | 1200–1800 |
| 3516 / 3516B / 3516C | 1011 – 1640 | 1200–1800 |
| 3612 | 2980 – 3700 | 750–1000 |
| 3608 | 2080 – 2460 | 800–1000 |
| C0.5 | 8.2 – 10.2 | 2000–3600 |
| C1.1 | 14.4 – 18.4 | 2200–3400 |
| C1.5 | 18.4 – 30.0 | 2100–3000 |
| C2.2 | 36.4 – 50.0 | 2800 |
| C2.8 | 45 – 55 | 2500 |
| C4.4 / C4.4 ACERT™ | 54 – 129.4 | 2200–2400 |
| C6.6 ACERT™ | 89 – 129.4 | 2200 |
| C7 ACERT™ | 168 – 224 | 1800–2200 |
| C9.3 / C9.3B ACERT™ | 224 – 340 | 1800–2200 |
| C11 ACERT™ | 242 – 336 | 1800–2100 |
| C13 ACERT™ | 287 – 388 | 1800–2100 |
| C15 ACERT™ | 354 – 433 | 1800–2100 |
| C27 ACERT™ | 597 – 783 | 1800 |
| C32 ACERT™ | 746 – 895 | 1800 |
Caterpillar engines cover a wide range of power and speed ratings, suitable for drilling rigs, crushers, cranes, dredgers, forestry machines, material handling, mining equipment, and more. Known for their high output, durability, and superior fuel efficiency, CAT engines have become a preferred power source across industries worldwide.
1. Caterpillar C0.7 Engine Features
The Cat® C0.7 is a 3-cylinder, 4-stroke diesel engine designed with a super-compact package size. It is ideal for small and off-highway applications thanks to easy single-side servicing and reduced ownership costs.
- Rated Power: 9–15.3 bkW (12–20.5 bhp) @ 2200–3600 rpm
- Emission Standards: U.S. EPA Tier 4 Final compliant
- Applications: Compactors, general industrial machines, light construction equipment, lighting towers, lawn and landscaping equipment
2. Caterpillar C3.4B Engine Features
The Cat® C3.4B engine is available in two power categories:
- Below 56 kW: 4-cylinder, 4-stroke diesel, 45–55.4 kW @ 2200–2500 rpm, 3.4L displacement
- Above 56 kW: 63–90 kW @ 2200–2500 rpm
It complies with U.S. EPA Tier 4 Final and EU Stage IIIB emission standards.
Key Specifications: Compression ratio 17:1, 6L cooling system, counterclockwise rotation.
3. Caterpillar C3.6 Engine Features
The Cat® C3.6 is a 4-cylinder, 4-stroke turbocharged engine with aftercooling (TA).
- Power Output: 55–100 kW @ 2000–2400 rpm
- Emission Standards: U.S. EPA Tier 3 / EU Stage IIIA equivalent
- Compression Ratio: 17.0:1
- Rotation: Counterclockwise
Applications: Agricultural tractors, drilling machines, crushers, compactors, compressors, forestry and irrigation equipment, material handling, mining and construction machinery, paving and pumping systems, underground mining equipment.
4. Caterpillar C18 ACERT™ Engine Features
The Cat® C18 ACERT™ is a 6-cylinder, 4-stroke diesel engine with 18.1L displacement.
- Power Range: 447–597 kW @ 1800–1900 rpm
- Dimensions (mm): 1438×943×1239–1356
- Weight: 1580–1717 kg
- Emission Standards: U.S. EPA Tier 4 Final / EU Stage IV compliant
- Compression Ratio: 16.0:1
- Cooling System: 26.9L
- Lubrication System: 40–74L
Applications: Agriculture, drilling, crushing, compacting, construction, cranes, dredgers, forestry, mining, material handling, and pumping systems. The C18 ACERT™ is FM-approved and UL-certified, widely used in fire pump systems, delivering 447–597 bkW (600–800 bhp) @ 1750–2100 rpm, compliant with EPA Tier 2/3 standards.
5. Caterpillar Engine Applications Across Industries
Caterpillar engines power a wide range of equipment, including:
- Construction Machinery: Excavators (CAT 308, 312GC, 316GC), loaders, bulldozers — providing strong torque and reliable performance in tough job sites.
- Agricultural Machinery: Tractors and harvesters — improving farming efficiency with dependable power.
- Building Equipment: Concrete mixers, pumps, cranes — ensuring smooth project execution.
- Oilfield Equipment: Truck-mounted rigs, well-servicing units, fracturing trucks, and mud pumps.
- Firefighting Pumps: Especially the C18 ACERT™, known for reliable emergency performance.
- Power Generation: Caterpillar gensets integrate engine, alternator, and control systems for consistent quality and efficiency.
6. Advantages of Caterpillar Engines
- Advanced Technology: Electronic common-rail systems (e.g., Cat C1.7) provide excellent performance and power density.
- High Efficiency: The Cat C7.1 engine delivers up to 301 kW and 1863 N·m torque for heavy-duty use.
- Fuel Economy: Turbocharging and efficient combustion reduce fuel consumption and emissions.
- Durability & Reliability: Built with high-strength materials and precision engineering for long-term performance.
- Wide Applicability: Suitable for construction, agriculture, mining, power generation, and firefighting.
- Global Support: Caterpillar’s worldwide dealer network ensures fast service and reliable parts availability.
Conclusion
Caterpillar diesel engines combine advanced engineering, exceptional performance, versatility, and premium after-sales service. Whether powering construction equipment, agricultural machinery, oilfield rigs, or generator sets, CAT engines consistently deliver the reliability and strength that drive industries forward.
