Dry and liquid fetlizer applicators. Tanks range from a 1600 to 4000 gal depending on on Model of Floater. Tanks are stainless steel. Dry fertlizer spreaders come in between 10ft. to 16ft. All hydraulic have electronic matering system. Engine choices are between a Caterpillar or Cummins Diesel-275p thru 375hp. Transmissions are an Allison automatic or a Fuller manual(10 or 18 speed). Air/over hydraulic disc brakes and straight air brakes avilable.