The Zetor Proxima 8421 is a powerful 2WD tractor designed for agricultural use. It features a 4-cylinder, turbocharged diesel engine made by Zetor. This engine is liquid-cooled and produces 84 hp at 2200 rpm. The tractor has a displacement of 254 ci, which is average for its class. It uses a syncromesh transmission with 10 forward gears and 2 reverse gears, giving farmers good control over their speed and power.
This tractor is built on a 4x2 2WD chassis and comes with agricultural tires. The front tires are 9.00-16 in size, while the rear tires are larger at 16.9-34. The Proxima 8421 measures 152 inches long and 73 inches wide, with an operating weight of 7440 lb. It has a rear Type II/I hitch, which is Category 3, and an open center hydraulic system. The tractor can be equipped with either a ROPS or a cab for operator comfort and safety. It uses a 12-volt electric starter for easy engine ignition.