Caterpillar 3406 vs. 3412 Diesel Engines: Key Differences, Specifications, and Applications
Caterpillar 3406 vs. 3412 Engine Comparison
| Feature | Caterpillar 3406 | Caterpillar 3412 |
|---|---|---|
| Engine Type | Inline 6-Cylinder (L6) | V-Type 12-Cylinder (V12) |
| Displacement | 14.6L (893 cu in) | 27.0L (1,649 cu in) |
| Power Range | 250–550 HP | 500–1,350 HP |
| Torque | High efficiency | Extreme low-end torque |
| Applications | Trucks, construction, agriculture | Mining, marine, large generators |
| Maintenance | Simpler, lower cost | More complex, higher maintenance |
Which One to Choose?
- Choose the 3406 if you need a reliable, fuel-efficient engine for medium-duty applications.
- Choose the 3412 if you require extreme power for heavy-duty mining, marine, or industrial use.
