Ag-Chem Big A 3500 / 4500

Together with the more popular triaxial models Big A series 2000, the Ag-Chem company received four-axial trucks Big A 3500 and 4500 from purchased Rickel Manufacturing Co. It was 4-wheel drive and all wheel steer chassis. The Big A 3500 model was equipped with a Cummins VT555 engine (200 hp) and bigger Big A 4500 with Cummins VT555 or Cummins VT903 engines. The transmission is automatic Allison.