Fuel and Lubricants 9980 Self-Propelled Peanut Combine
Biodiesel is a fuel comprised of mono-alkyl
esters of long chain fatty acids derived from
vegetable oils or animal fats. Biodiesel blends
are biodiesel mixed with petroleum diesel fuel
on a volume basis.
Biodiesel users in the U.S. are strongly
encouraged to purchase biodiesel blends from
a BQ-
9000 Certified Marketer and sourced
from a BQ-
9000 Accredited Producer (as
certificated by the National Biodiesel Board).
Certified Marketers and Accredited Producers
can be found at the following website:
htt://www.bq-9000.org.
AMADAS/John Deere approved fuel
conditioners containing detergent/dispersant
additives are recommended when using lower
biodiesel blends, but are required when using
blends of B20 or greater.
The petroleum diesel portion of biodiesel
blends must meet the requirements of ASTM
D975 (US) or EN 590 (EU) commercial
standards.
Consult your AMADAS/John Deere dealer for
approved biodiesel fuel conditioners to
improve storage and performance with
biodiesel fuels.
When biodiesel fuel is used, the engine oil
level must be checked daily. If the oil
becomes diluted with fuel, sho
change intervals. Refer to the Diesel Engine
Oil and Filter Service Intervals for more details
regarding biodiesel and engine oil intervals.
While 5% blends are preferred (B5), biodiesel
concentrations up to a 20% blend
(B20) in
petroleum diesel fuel can be used in all
AMADAS/John Deere engines. Biodiesel
blends up to B20 can be used ONLY if the
biodiesel (100% biodiesel or B100) meets
ASTM D6751 (US), EN 14214 (EU), or
equivalent specification. Expect a 2%
reduction in power and a 3% reduction in fuel
economy when using B20.
Biodiesel blends up to B20 must be used
within 90 days of the date of biodiesel
manufacture. Biodiesel blends from B21 to
B100 must be used within 45 days of the date
of biodiesel manufacture.
Request a certificate of analysis from your fuel
distributor to ensure that the fuel is compliant
with the above specifications.
The following must be considered when you
use biodiesel blends up to B20:
• Cold weather flow degradation.
• Stability and storag
absorption, oxidation, microbial growth).
• Possible filt
er restriction and plugging
(usually a problem when first switching to
biodiesel on used engines).
•
Possible fuel leakage through seals and
hoses.
• Possible reduction of service life of engine
components.
IMPORTANT! Raw pressed vegetable oils
are NOT acceptable for use as a fuel in
any concentration in AMADAS/John Deere
engines. Their use could cause engine
298 09/08/15 MAN141
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