Class 4 - Internal Combustion Engine Trucks - Cushion Tires
These forklifts are best for indoor applications where floors are smooth and dry. They are used to move palletized loads between storage space and loading dock. Forklifts that have cushion tires are used for low clearance applications.
Class 5 - Internal Combustion Engine Trucks - Pneumatic Tires
Usually utilized in warehouses, these trucks work equally well both outside and inside for virtually any type of application. This lift truck series has large handling capacities, from small single pallet loads to fully loaded shipping containers. They could come with internal combustion engines. Sources of fuel could be Diesel, Gasoline, Compressed Natural Gas and LPG.
Class 6 - Internal Combustion Engine and Electric Tractors
This is a really versatile tractor which adapts well to a wide range of applications. They either have internal combustion engines or battery powered electric motors. Electric is suited to indoor application, while internal combustion is usually utilized outdoors.
Class 7 - Rough Terrain Forklift Trucks
Rough terrain forklift trucks are suitable for use outdoors on difficult terrain. They are outfitted with huge flotation kind tires. The construction industry normally uses these trucks to lift and transport building materials between site locations. They are commonly used by auto and lumber yards.