This study presents the vehicle classifications existing in various documents: „The Encyclopaedia of military Technology”, The Polish Norm PN-V-01002: „Armoured Equipment. Parameters and comparative ratios. Terminology and classification”, Structure of Car Transportation of Polish Armed Forces, The Defence Equipment Classification, The Allied Research Procedures Publication AVTP 00-07 „Military Vehicles Categories” (STANAG 4357 and 4358), The Common Procurement Vocabulary, established by the European Commission) and Fixed Assets Classification. The authors of the article take note of the inaccuracies in existing classifications and point out the necessity to create new, logical error free classification. The conception presented in the article is an attempt to put this situation in order. Presented conception of classification vehicles used in the army, primarily as weapons carries, necessary combat and logistics equipment, and also as means of transport and protection of sub-units of infantry, in order to eliminate chaos in military vehicle nomenclature used in documents such us: acts, regulations, norms and instructions. The conception characterizes certain level of generalization. For further detailed division can be used criteria named in the article: general criteria and particular criteria.