Bestbox 503-A DAF Fire Truck variations known to me:

 

    1: Grey wheels with black tyres, big frontbumper, unpainted base with exhaust

 

    2: Grey solid big wheels, big frontbumper, unpainted base with exhaust

 

    3: Grey solid big wheels, small frontbumper, blue base with exhaust

 

    4: Grey solid big wheels, small frontbumper, blue base without exhaust

 

    5: Grey solid big wheels, small frontbumper, grey base without exhaust

 

    6: Grey solid small wheels, small frontbumper, grey base without exhaust

 

   Box variations