Are there any differences between MAZ 203.063, 068, 085 etc and MAZ 203.016?

Why does this bus does not fit into the regular MAZ 203 chassis numbers (0024xx)?

Цитата (CitaroMH, 07.03.2020):
> MAZ 203.063, 068, 085 etc and MAZ 203.016?
>

At simbols after 203 MAZ Put Information about drivetrain, restailing and cabin type: first symbol 0 for city buses, 1 for suburban buses, second and third symbols 16 for Chinese engine and gearbox (Weichai and Fastgear) euro 5, 66, 68 for Mersedes engine Euro 5 and Euro 6 accordingly. 85 i do not know.

Цитата (Володя, 07.03.2020):
> second and third symbols 16 for Chinese engine and gearbox (Weichai and Fastgear)
No, *16 is Daimler OM926LA engine with Allison T375w/Ret Gearbox. Chinese engine and gearbox (Weichai and Fastgear) is *45.

Thanks.

I ask becauseof the seperated chassis numbers.