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Criteria group Criteria
Acid / Basic
Oxidation
Tab. 50: KD engine oil monitoring criteria
A)
Potassium is now incorporated in new-generation engine oils; conclusion must be drawn
only by having initial composition and evolution available.
Mineral engine oils
The use of mineral engine oils is strictly forbidden in Kohler KD diesel engines.
Synthetic engine oils
Engine oil category
Engine oil category 2
Engine oil category 2.1
Engine oil category 3
Engine oil category 3.1
Tab. 51: KD engine oil categories
Engine oil additives
Kohler prohibit the use of engine oil additives in the KD diesel engines.
KD62V12A 33521061401_1_1 EN_US
2023-10
Warning values
TAN & TBN
-
-
<20 abs.cm
Engine oil standard
ACEA E4
ACEA E7
API CI-4 Plus
DHD-1
JASO DH-1
ACEA E6
ACEA E9
API CJ-4
JASO DH-2
ACEA E4-16
Both ACEA E4 and
ACEA E7
ACEA E6-12
Both ACEA E6 and
ACEA E9
API CK-4
© 2023 by Kohler Co. All rights reserved.
Lubricants and operating fluids
Maximum values
TAN < TBN - 2
mgKOH/g
< 25 abs.cm
-1
-1
Type of engine oil
Synthetic
(Group 2 and/or 3 base
engine oils)
Synthetic
(Group 2 and/or 3 base
engine oils)
Synthetic
(Group 3 and/or 4 base
engine oils)
VI > 155
Long live additive
Synthetic
(Group 3 and/or 4 base
engine oils)
VI > 155
Long live additive
Maintenance
Methods
ASTM D 664
(acid)
ASTM D 2896
(base)
-
Engine
Compat‐
oil cate‐
ible with
gory
EATS
factor
1
No
1
OK
2
No
2
OK
189
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