Kubota KX033-4 Operator's Manual page 112

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RECOMMENDED OILS
C Engine Oil:
A Oil used in the engine should have an American Petroleum Institute (API) service classification and Proper SAE
Engine Oil according to the ambient temperatures.
Above 25
(77
)
0
to 25
(32
to 77
Below 0
(32
)
A Refer to the following table for the suitable API classification engine oil according to the engine type (with internal
EGR, external EGR or non-EGR) and the fuel.
Fuel used
Ultra Low Sulfur Fuel
CF, CF-4, CG-4, CH-4 or CI-4
[<0.0015% (15 ppm)]
EGR: Exhaust Gas Re-circulation
A The CJ-4 engine oil is intended for DPF (Diesel Particulate Filter) type engines, and cannot be used on this
machine.
Models
C Fuel:
A Cetane number of 45 is minimum. Cetane number greater than 50 is preferred, especially for temperatures below
-20
(-4
) or elevations above 1500 m (5000 ft).
A Diesel fuels specified to EN 590 or ASTM D975 are recommended.
A No.2-D is a distillate fuel of lower volatility for engines in industrial and heavy mobile service. (SAE J313 JUN87)
SAE 30 or SAE 10W-30, SAE 15W-40
)
SAE 20 or SAE 10W-30, SAE 15W-40
SAE 10W or SAE 10W-30, SAE 15W-40
Engine oil classification (API classification)
Oil class of engines except external EGR
except external EGR
KX033-4
Oil class of engines with external EGR
CF or CI-4
(Class CF-4, CG-4 and CH-4 engine oils
cannot be used on EGR type engines)
with external EGR
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