20 MAINTENANCE
ENGLISH
Lubricating oil
With the emission control now in effect, the CG-4, CH-4 and CI-4 lubricating oils have been developed for use of
a low-sulfur fuel on on-road vehicle engines. When an off-road vehicle engine runs on a high-sulfur fuel, it is
advisable to employ the CF lubricating oil with a high total base number. If the CG-4, CH-4 or CI-4 lubricating oil
is used with a high-sulfur fuel, change the lubricating oil at shorter intervals.
ALubricating oil recommended when a low-sulfur or high-sulfur fuel is employed.
{ : Recommendable : Not recommendable
*TBN: Total Base Number
Lubricating
oil class
Fuel
Remarks
Low-sulfur High-sulfur
CF
{{
*TBN 10
CG-4
{
CH-4
{
CI-4
{
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