Benz Bz.IV

Bz.IV
A Benz Bz.IV at the National Air and Space Museum's Udvar-Hazy Center (2017)
Type Inline piston engine
National origin Germany
Manufacturer Benz
First run c. 1916
Number built 6,400
Developed from Benz Bz.III
Developed into Benz Bz.IVa

The Benz Bz.IV was a German six-cylinder, water-cooled, inline engine developed for aircraft use. Deliveries began in 1916, and some 6,400 were produced.