The UNIMA 4 ultra compact tamper is an economic alternative to manual surfacing work with backhoe or hand tampers in combination with manual lifting and lining work. It features a full-fledged 3-point lifting system and an ALC-guided 3-point lining system. Tamping, leveling and lining is done in one step ensuring fast and cost efficient operation by improving accuracy and safety while reducing manpower for manual work.