Mack » HMM
In 70th the Mack Company produced a specialized 4-axle construction chassis for mixers with front unloading. The chassis was equipped with an angled one place cab and comes in 2 types: HMM685 (1976-1978, 14 pcs. were produced) and HMM6856 (1973-1979, 130 pcs. were produced). Later a similar chassis FDM was producing.