Someone is waiting for work here.
The manufacturer, model and coachbuilder are sufficient for the solution. The exact year of manufacture is unknown.
Up to the Experts.
Those grille bars are crying out for a superimposed line art logo. Krupp?
No, not a Krupp.
Mercedes-Benz?
No.
Henschel?
No.
Magirus-Deutz?
No.
MAN?
Not either.
Is it German?
Partly
Volvo with German body?
Volvo? No.
German body? Yes.
Renault by Hiller from Ehrenhain.
Bingo! Now all that's missing is the Renault model number. Locked three times for you.
Is it part of the Renault R4000 series?
Yes!
R4210?
No.
4200?
No.
Are you looking for a "41xx" number?
No, it's a 40xx number. The puzzle remains locked.