Service - 76 XT1600 Operator’s Manual
Recommended Lubricants/Service Key
CMW
Approved Fuel
Biodiesel blends up to 5% (B5) are approved for use in this unit. The fuel must meet the specifications for
diesel fuel shown above. In certain markets, higher blends may be used if certain steps are taken. Extra
attention is needed when using biodiesel, especially when operating in cold weather or storing fuel.
Contact your Ditch Witch dealer or the engine manufacturer for more information.
Approved Coolant
Any coolant is approved for use with this unit. However, it was filled with John Deere Cool-Gard coolant
before shipment from factory. Add only Cool-Gard (p/n 255-006) or any fully-formulated, ethylene glycol
based, low-silicate, heavy-duty diesel engine coolant meeting ASTM specification D5345 (prediluted) or
D4985 (concentrate). Before using any other kind of coolant, completely flush radiator.
IMPORTANT:
• For machines operated in the U.S.: The engine in this product is certified to operate on low sulfur
diesel fuel (LSD) with a sulfur content of 500 ppm (0.05%) or less. Use LSD or ultra low sulfur fuel
(ULSD) only. Using fuels with higher sulfur content will affect exhaust emissions. Such action is a
violation of the US Clean Air Act and US EPA regulations and will result in fines.
• For machines operated outside the U.S.: Fuel sulfur content should be less than 5000 ppm (0.05%).
Worldwide fuel sulfur regulations vary widely. Fuel used should always comply with local
regulations. If fuel sulfur content exceeds 5000 ppm, use a lube oil meeting API CF (or equivalent)
with a TBN value of 10 or greater. Do not use lube oils meeting API CJ-4 (or other low SAPS
equivalent) under any conditions.
NOTICE: Do not mix heavy-duty diesel engine coolant and automotive-type coolant. This will lead
coolant breakdown and engine damage.
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