The 3516E Tier 4 Final
Tier 4 Final and Cat SCR technology, then, will help conserve natural resources and machine operators’ costs at the same time. But there’s more to the 3516E than just better emissions.
The 3516E pushes out a max continuous rating of 3385 hp and has been designed with marine operations in mind. The engine is compatible with Safety of Life at Sea (SOLAS) regulations and is Marine Society certified. Among the SOLAS additions are several heat shields, installed around the exhaust manifold, aftercooler and the turbochargers. The heat shields are designed for serviceability, so technicians can get in and out with minimal downtime. Explosion relief valves are also built into the 3516E, which align with Marine Society regulations.
The 3516E also offers a closed crankcase ventilation system option, which allows operators to send emissions back into the engine intake instead of venting them separately out of the vessel.
Several cooling options are available with the 3516E, including a keel cooled option or a plate heat exchanger, which is built with the water’s thermal expansion accounted for.
Finally, an electronic oil mist detection system can be incorporated into the 3516E (for engines rated at 2250 bkW or higher), which allows for more reliable and more expedient detection of oil misting.
There are already thousands of 3500 engines operating in marine applications worldwide. More than 26,000, in fact. And with the 3516E Tier 4 Final, Caterpillar continues to show why more vessel owners prefer Cat power solutions to competing options.