Specification
| Engine Model |
3412B diesel engine |
| Part Number |
7W2243 |
| Product |
diesel engine cylinder head |
| Quality |
OEM or original |
The CAT 3412B is a rugged twelve‑cylinder diesel engine built to produce exceptional torque and consistent long‑term reliability across industrial, marine, and power generation operations. As an evolution of the time‑tested 3412 platform, the B‑spec model introduces notable enhancements in cooling efficiency, air intake, fuel system performance, and overall service life over its predecessors.
Boasting a 27‑liter displacement, the 3412B achieves as much as 1,250 horsepower when equipped with turbocharging and aftercooling. Valued for its fully mechanical fuel delivery system and sturdy engine block construction, this model remains in widespread use today in repowered boats, generator sets, offshore machinery, and large industrial equipment. Operators continue to prefer the 3412B due to its ease of rebuilding, straightforward mechanical design, and strong worldwide aftermarket support.
More other models cylinder head:
C18 C15 C11 C13 C12 C9 C7 3412A 3412B 3408A 3408B 3406PC 3406B 3406C D342 3306DI 3306PC 3304DI 3304PC 3204 3208 3406DI, etc.

