RT120Q Operator's Manual - Ditch Witch
RT120Q Operator's Manual - Ditch Witch
RT120Q Operator's Manual - Ditch Witch
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Service - 148<br />
Tier 4i Engine<br />
<strong>RT120Q</strong> Operator’s <strong>Manual</strong><br />
Tier 4i Engine<br />
The Deutz Tier 4i TCD 3.6 L4 engine uses a computer-controlled fuel management system, turbocharger<br />
with charge air cooling, and exhaust after treatment system (EAT). The engine and the corresponding EAT<br />
system are adapted to each other and linked by an appropriate electronic controller.<br />
The diesel oxidation catalytic converter behind the cylinder head at the rear of the engine is a very<br />
recognizable feature. A crankcase breather is located on top of the left side of engine.<br />
Diagnostic and maintenance work may only be carried out by authorized personnel using equipment<br />
approved by Deutz.<br />
Deutz control units are equipped with self-diagnostics. Active and passive error codes are saved in the<br />
error memory. Active errors are displayed on the electronic display panel or error lamp (flash code) CAN<br />
bus. If error codes are recorded, call Product Support.<br />
NOTICE: Diesel engines that are equipped with an exhaust after treatment system (EAT) may only be<br />
operated with an ultra low sulfur diesel fuel. See “Approved Fuel” on page 151.
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