New Holland Speedrower 200, Service Manual

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Engine - Engine and crankcase
Engine and crankcase - Overview
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The NEF Tier III engine is a 6–cylinder turbocharged and after cooled unit, having a bore of 104 mm (4.4 in)
and a stroke of 132 mm (5.0 in) which generates a displacement of 410 in³.
The engine uses a electronically controlled hi-pressure injection pump and has been designed to meet
current emission regulations and must only be serviced by an authorized service agent.
All engines fearure cross flow cylinder heads, with the inlet and exhaust manifolds on opposite sides of
the cylinder head. The fuel and air combustion process, takes place in the specially designed bowl in the
crown of the pistons.
NOTE: The FRONT of the engine is the water pump end. The REAR of the engine is the flywheel end. In this section,
right and left correspond to the above when standing at the rear of the engine looking at the flywheel end with the
water pump end away from you.
Cylinder block assembly
The cylinder block is an alloy cast iron with deep cylinder skirts, and water jackets for cooling the cylinders. The
cylinder bores are machined integral with the cylinder block, during the manufacturing process.
Cylinders are in line and vertical and numbered 1 to 6 from the front (fan end) to the rear of the engine. They can be
bored oversize for the fitment of sleeves, which are available in service.
In the following procedures and illustrations the engine is shown removed from the vehicle however there are certain
operations that can be performed with the engine installed. Where it is necessary to remove the engine use a suitable
hoist or overhead gantry and standard engineering procedures. Removal of the engine is described in Chapter 1 of
Section 10 of this manual. Dismantle the engine following conventional techniques and by referring to the appropriate
overhaul sections of this chapter. Always refer to the specification section as necessary.
NOTE: Where it is necessary to remove additional items to gain access to the components on the engine refer to
Engine Removal.
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