The CPS AVDS-1790-5A Series engine is an
airpcooled 90 degree upright Vee design, 12-cylinder turbocharged diesel
engine rated at 950 gross horsepower at 2400 rpm. Air cooling is provided
by two engine-driven fans that provide the required cooling air for
the engine cylinders, engine and transmission oil. Extensive use of
aluminum components throughout the engine provides a high power-topweight
ratio.
The compact design of the AVDS-1790-5A engine includes
individual and easily replaceable cylinders. Overhead valves are
used with an overhead camshaft in each cylinder bank. For rapid service,
all scheduled maintenance items are easily accessible from the top
of the engine. Air cooling eliminates the maintenance burden of liquid
cooling systems.
The AVDS-1790-5A Series engine has been designed and
developed for use in the combat environment. It is completely waterproof
and can be totally submerged with only the addition of combustion
snorkels. Cold starting has been simplified by the addition of an
automatic intake flame heater. The cooling system has been designed
for successful operation at ambient temperatures up to 125 degrees
F.
The AVDS-1790-5A Engine is an up-powered version of
the AVDS-1790-2C engine with over 80 percent commonality of parts
between the two diesel powered engines.
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