Cat D5N LGP filters?

Hi!

I'm doing 1000h service and cant find location for couple of filters my official Cat dealer sold.
The machine is Cat D5N LPG 08 AKD01284

I have changed engine oil filter, water/fuel separator, fuel filter, outer cab filtrers x2, inner cab filters x2, engine air filter, hydraulic Filter right rear corner of the cab (inside the hydr.oil tank), big transmission?filter at down left rear of the machine.
But still I have 2 new filters left and I cant find a place for them.
Another one is...

Cat D5N LGP filters?

Cat D5N LGP filters?