Posted by Owen Aaland on September 15, 2008 at 21:44:55 from (65.161.86.22):
In Reply to: D414 posted by FarmerCMS on September 15, 2008 at 18:37:38:
The D414 and DT414 have the same engine block with the exception of two cooling jets per piston on the turboed block versus one per piston on the NA (naturally aspirated) block. The holes for the extra jet on the NA block will have a steel ball plugging them.
The turbo charged engine uses different pistons and rings. Diesel engines use keystone rings in the top two grooves while the NA engine uses a keystone ring in the top groove and a standard ring in the second groove. The turboed engine uses an oil pump with a wider rotor assembly. The rotor width was increased in both turboed and NA engines later in production. The water pump on the turboed engine will have eight vanes while the NA engine most likely came with a four vane impeller. Common practice is to use the turbo water pump on either engine.
Cylinder heads are different between the two models. The turboed head has different cooling jets pressed into it. NA heads can be identified by an H cast into them covered by the intake manifold.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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