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System |
Use |
Identification/Specifications |
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DIESEL FUEL |
Temperatures below 14°F (-10°C) |
No. 2-D Diesel Fuel |
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Temperatures below 14°F (-10°C) |
No. 1-D Diesel Fuel |
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All Applications |
Min. Cetane rating of 45;
50 below -4°F |
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All Applications |
High Sulfur Diesel not recommended |
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BIO DIESEL FUEL |
Kubota has released B20 and B5 fuels for certain models. |
Contact your authorized Kubota dealer for details. |
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COOLANT |
All Applications |
Use a 50/50 mixture of clean water and Anti-Freeze. * |
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DIESEL ENGINE OIL |
Engine Models D902-E3B-XXXX: |
Non-EGR*** |
External EGR |
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Low Sulfur Diesel (LSD) Fuel
(0.5%/500 ppm Sulfur or less)
or
Ultra Low Sulfur Diesel (ULSD) Fuel (0.015%/15 ppm or Less) |
Internal EGR |
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API Classification |
API Classification |
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CF, CF-4, CG-4, CH-4, or CI-4
(do not use CJ-4) |
CF,CI-4
(do NOT use CF-4, CG-4, CH-4, CJ-4) |
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Engine Models D902-E2B-XXXX |
API CF or CG-4 |
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GASOLINE ENGINE OIL |
All Applications |
API Classifications SJ, SL, or SM |
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TRANSMISSION OIL |
All Applications |
KUBOTA Universal Dynamic Tractor (UDT) or SUPER UDT Fluid |
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POWER STEERING GEAR |
All Applications |
KUBOTA Universal Dynamic Tractor (UDT) or SUPER UDT Fluid |
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MANUAL STEERING GEAR |
GEAR Oil SAE 80 or SAE 90
(Excavators use SAE 90) |
GL-4 |
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FRONT AXLE (4WD ONLY) |
GEAR Oil SAE 80 or SAE 90
(Excavators use SAE 90) |
Gl-4 |
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HYDRAULIC OIL |
All Applications ** |
ISO 32, ISO 46, or ISO 68 |
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* Never mix different colors of antifreeze.
** Do not use multi-function oils in Kubota Excavator hydraulic systems.
*** Exhaust Gas Recirculation
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Non EGR Engine |
External EGR Engine |
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DIESEL ENGINE - OIL VISCOSITY RECOMMENDATIONS |
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OUTSIDE TEMPERATURE |
Below 32° F (0° C) |
32°F - 77° F (0°C - 25° C) |
Above 77° F (25° C) |
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SAE/Viscosity |
10W or 10W-30 |
20W or 10W-30 |
30W or 10W-40 |
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GASOLINE ENGINE - OIL VISCOSITY RECOMMENDATIONS |
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OUTSIDE TEMPERATURE |
Below 0° F (-18° C) |
Above 32° F (0° C) |
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SAE/Viscosity |
5W-20 or 5W-30 |
10W-30 or 10W-40 |
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HYDRAULIC - OIL VISCOSITY RECOMMENDATIONS |
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OUTSIDE TEMPERATURE |
IN WINTER OR COLD TEMPERATURES |
IN SUMMER OR HIGH AMBIENT TEMPERATURES |
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SAE/Viscosity |
ISO 32 or ISO 46 |
ISO 68 |
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Notes:
Transmission Fluid: KUBOTA Super Universal Dynamic Tractor Fluid (SUPER UDT) is the original and recommended transmission hydraulic fluid.
The fluid used to lubricate the transmission is also used as the operating hydraulic fluid. To ensure proper operation of the hydraulic system and complete lubrication of the transmission, we recommend the use of KUBOTA UDT or SUPER UDT fluid for optimum protection and performance. (Consult your KUBOTA dealer for further details.)
