But let's not forget - Toyota changes their fluids much more often than do the Euro makes. 
That LR recommend a single oil change a year, is stupid IMO. 
Same to with their transmission fluid change schedule. Hang on - they don't really have one for the transmission. 
And its easy for us to be more frequent. 
But with a Toyota, they provide a fixed cost for each service. So to retain your warranty, its pretty easy. And today, its becoming normal for service pricing to be bundled with the purchase price. 
the LC v6 3.3 litre 300 diesel requires servicing every 10,000km or 6 months, whichever comes sooner. That was according to Drive when I read about the LC 300 when it was introduced. 
But the Oil-finder site published this:
| 3,3L diesel engine (F33A-FTV) | For EURO V/IV - 0W-20 ACEA C5 Except EURO V/IV - 5W-30 API CF-4 or ACEA B3, B4, B5 or JASO DL-0
 | 6,6 | Replace when maintenance reminder indicator is ON or 5000 km (3000 miles) or 6 months (for severe conditions
 | 
the LR or Lion 3 litre has a bit less oil in it too - I think the 6.6 for the Toyota is it's total oil capacity, dealer change is I think about 6 litres. So that says one should replace the motor oil in the new LC 300 motor every 5,000 km in severe conditions. Australia is severe conditions. 
Reading about crank issues in the Lion in 2014 before I bought my D4 and since that time, oil has been mentioned as a possible issue. Along with 5 or so other "maybees". 
IF one is concerned, then change the oil more frequently. And with the recommended oil. Same too with the tranny. And let's not forget the differentials.
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