4
1.9 Tier 4F Compliance Information
In order to comply with tier 4F emissions regulations, the exhaust system in the
RT-40 is equipped with a Diesel Oxidation Catalyst (DOC) that passively treats the
exhaust gasses as they flow through the system. It does not require operator
intervention of any kind. The emissions system on the RT-40 is designed to be
tier 4F compliant for the life of the machine.
The tier 4F engine and emissions system in the RT-40 requires Ultra Low Sulfur
Diesel (ULSD) fuel to operate properly. There are special considerations regarding
the use and handling of ultra low sulfur diesel fuel. Information on these topics
can be found on the following pages: 18-19 (section 2.10 - Fuel Handling
Precautions) and 34 (section 3.11 - Fluid Specifications).
The RT-40 is also equipped with self-diagnostic features common to modern
diesel engines. Information regarding self-diagnostics can be found on the follow-
ing pages: 37 (section 4.1 -
NOTICE
message), 45-47 (section 4.8.1 - main menu
and active faults - accessing fault information through the operator interface).
1 INTRODUCTION
RT-40 US O&M
0404-766 2019-05
Summary of Contents for 0404-766
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