Kubota BX25DLB Operator's Manual page 101

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 as shown above:
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 tractor.
Model
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)
C Transmission Oil:
*KUBOTA Super UDT-2: For an enhanced ownership experience, we highly recommend Super UDT-2 to be used
instead of standard hydraulic/transmission fluid.
Super UDT-2 is a proprietary KUBOTA formulation that delivers superior performance and protection in all operating
conditions.
Regular UDT is also permitted for use in this machine.
A Indicated capacities of water and oil are manufacturer's estimate.
For North American market
Engine oil classification (API classification)
Oil class of engines except external EGR
except external EGR
BX25DLB
MAINTENANCE OF THE TRACTOR
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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