Unverferth grain boxes are available in a range of sizes ard are fully primed and painted in your color choice of red or green. The capacity of the GB325 Gravity Box can be increased to 400 bushels by adding 24-inch sideboards and matching it to a 13-ton running gear. An optional deflector chute is available to permit center-unloading. All exposed seams are silicone-sealed for corrosion resistance. 

Additional models include the 235,  275 and the dual-compartment 335 box.

10-TON PLATFORM 
The 10-ton running gear has a 27-inch bolster height and a wheelbase that's adjustable from 84 to 132 inches. A wide variety of tire and wheel options are available for matching the gear to your operation. Units are available with optional extendable hitch for easier hookup and are fully primed and painted in your choice of red or green.  

12-TON PLATFORM 
The 12-ton running gear features a 25-inch bolster height, a wheelbase that's adjustable from 108 to 144 inches and a double wishbone frame design for maximum durability. Extendible tongue permits easy hookup. All units are fully primed and available in red or green.  

• Fast Unloading! Transfer grain in three minutes or less with 14-inch computer-balanced auger, graphite-coated, sloped interior surfaces and adjustable, 36-inch flow-control gate with indicator.
• Complete unloading! The intake for the lower auger is partially recessed beneath the floor line.
• Pit-dumping is easy with lever-operated center-dump gravity-flow unloading door.
• The PTO has a shearbolt to protect the grain cart driveline during the toughest, high-torque starts.
• A heavy-duty axle, 3 1/2-inch spindles and 10-bolt hubs provide exceptional reliability and durability.
• Exposed welds and seams are silicone-sealed to resist corrosion.
• Long-lasting durable finish with a full primer coat beneath a top layer of high-quality equipment enamel in choice of tractor red or green.