Creation: 01.31 - 2014 2-1-7
FIGURE 1C
TIER 4 FINAL AIR FILTER
D. Engine Fuel
(1) Quality
Use of Grade 2 diesel fuel is recommended. The use of low sulfur diesel fuel allows for 500
hour oil change intervals. Use of high sulfur diesel fuel shortens the oil change interval for the
engine. Tier 4 engines MUST be operated only on PURE Ultra Low Sulfur diesel fuel (<15
mg/kg / <15 PPM), use of any other fuel will damage the catalyst permanently and void the
engine warranty. Further information on fuel specifications can be found in the Engine
Manufacturer’s Manuals.
(2) Fuel Filter
Refer to the Manufacturer's Literature in Chapter 5 for information on removal and
replacement of the fuel filter elements.
WARNING:
The use of non-low sulfur diesel fuel or any type of jet fuel in any
unit equipped with a Tier 4 (Stage 3B/Stage4) engine will cause
permanent damage to the engine catalyst and void the engine
warranty.
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