Hello casejeep,
if you need more information about our 1428 AF feal free to contact me.
sorry the hp. is at this moment only available in german http://www.jsfeuer.com/shop/produkte/0/1/10/liste/
About the german meaning of A, AF and AK:
A= Allrad / 4wd
AF= Allrad Feuerwehr / 4wd fire truck...