10 MAINTENANCE ENGLISH A Changing interval of engine oil depends on the conditions below. * 101mm oil pan depth is optional. ** Standard replacement interval A API service classification: above CD grade A Ambient temperature: below 35°C (95°F) Lubricating oil With the emission control now in effect, the CF-4 and CG-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, CD or CE lubricating oil with a high total base number. If the CF-4 or CG-4 lubricating oil is used with a high-sulfur fuel, change the lubricating oil at shorter intervals.
A Lubricating oil recommended when a low-sulfur or high-sulfur fuel is employed. : Recommendable Ч : Not recommendable Models Oil pan depth Above 125 mm (4.9 in.) *below 101 mm (4.0 in.) All models 200 Hrs 150 Hrs Initial 50 Hrs Fuel lubricating oil class Low sulfur High sulfur Remarks CF TBN 10 CF-4 × CG-4 ×