Trucks eligible for Group T5 must comply with a fixed set of rules according to Appendix J, article 287. The
homologation requirement was removed in 2020, each truck may be based from a series-production run of at least 200 units, or based on a chassis of a set FIA standard. The weight has a minimum of 6760 kg, or 8760 kg for vehicle with engines over 10,000cc. Despite certain modifications, the engine is a stock production engine with a maximum displacement of 13000cc. Because of safety regulations, the cabs have a very strong homologated
roll cage. A diagonal bar in the rear of the roll cage is mandatory. More diagonal struts are advised. ==Classes==