Sd.Kfz. 9 “Famo” (alias schwerer Zugkraftwagen 18t FAMO Typ “F 3”) was a German half-track that saw widespread use in World War II, and the heaviest half-track vehicle of any type built in quantity in Germany during the war years.
Bibliography:
- German Half-Tracks of World War Two – Frank V. De Sisto, Concord Armor At War 7054
- FAMO: Schwerer Zugkraftwagen 18 t (Sd.Kfz.9) – Auriga Publishing International History File 002; 2006
- Der Schwere Zugkraftwagen 18 t Sd.Kfz.9 FAMO – Walter E. Seifert, Waffen-Arsenal Special Band 36
- Schwerer Zugkraftwagen 18 to and Variants Famo “Bulle” (Sd.kfz. 9) – Dr. Nicolaus Hettler, Nuts & Bolts Vol.12
- Halbkettenfahrzeuge: German Half-track Vehicles 1939-1945 – J. Williamson, Almark Publishing, Wehrmacht illustrated No.4
- German Half-Tracked Vehicles of World War 2: Unarmoured Support Vehicles of the German Army 1933-45 – John Milsom, Arms & Armour Press 1975
- Die Halbkettenfahrzeuge des Deutschen Heeres 1909 – 1945 – Walter J. Spielberger, Motorbuch Verlag 1993
- Halbketten-Fahrzeuge – Uwe Feist , Das Waffen-Arsenal Band 8 (german)