Kubota D1005-E3BG Operator's Manual page 21

10 MAINTENANCE
A The jobs indicated by
*1 Air cleaner should be cleaned more often in dusty conditions than in normal conditions.
*2 After 6 times of cleaning.
*3 Consult your local KUBOTA Dealer for this service.
*4 Replace only if necessary.
A When the battery is used for less than 100 hours in a year, check its electrolyte yearly. (for refillable battery's only)
A The items listed above (@ marked) are registered as emission related critical parts by KUBOTA in the U.S. EPA
nonroad emission regulation. As the engine owner, you are responsible for the performance of the required
maintenance on the engine according to the above instruction.
Please see the Warranty Statement in detail.
Lubricating oil
With strict emission control regulations now in effect, the CF-4 and CG-4 engine oils have been developed for use
with low sulfur fuels, for On-Highway vehicle engines. When a Non-Road engine runs on high sulfur fuel, it is
advisable to use a "CF or better" classification engine oil with a high Total Base Number (a minimum TBN of 10
is recommended).
ALubricating oil recommended when a low-sulfur or high-sulfur fuel is employed.
: Recommendable
Lubricating
oil classification
Low-sulfur
CF
CF-4
CG-4
CH-4
CI-4
*TBN: Total Base Number
**Fuel
A Diesel Fuel Specification Type and Sulfur Content % (ppm) used, must be compliant with all applicable emission
regulations for the area in which the engine is operated.
A Use of diesel fuel with sulfur content less than 0.10 % (1000 ppm) is strongly recommended.
A If high-sulfur fuel (sulfur content 0.50 % (5000 ppm) to 1.0 % (10000 ppm)) is used as a diesel fuel, change the
engine oil and oil filter at shorter intervals. (approximately half).
A DO NOT USE Fuels that have sulfur content greater than 1.0 % (10000 ppm).
A Since KUBOTA diesel engines of less than 56 kW (75 hp) utilize EPA Tier 4 and Interim Tier 4 standards, the use
of low sulfur fuel or ultra low sulfur fuel is mandatory for these engines, when operated in US EPA regulated areas.
Therefore, please use No.2-D S500 or S15 diesel fuel as an alternative to No.2-D, and use No.1-D S500 or S15
diesel fuel as an alternative to No.1-D for ambient temperatures below -10°C (14°F).
1) No.1-D or No.2-D, S500 : Low Sulfur Diesel (LSD) less than 500 ppm or 0.05 wt.%
No.1-D or No.2-D, S15 : Ultra Low Sulfur Diesel (ULSD) 15 ppm or 0.0015 wt.%
A CJ-4 classification oil is intended for use in engines equipped with DPF (Diesel Particulate Filter) and is Not
Recommended for use in Kubota E3 specification engines.
A Oil used in the engine should have API classification and Proper SAE Engine Oil according to the ambient
temperatures as shown below:
Above 25°C (77°F) SAE30, SAE10W-30 or 15W-40
0 to 25°C (32°F to 77°F) SAE20, SAE10W-30 or 15W-40
Below 0°C (32°F) SAE10W, SAE10W-30 or 15W-40
must be done after the first 50 hours of operation.
: Not recommendable
**Fuel
Remarks
High-sulfur
*TBN 10