forklift truck
Motorized cart for lifting and moving pallets to stack them or load them onto a truck.
crosshead 
Upper pulley of the hydraulic cylinder around which the chain turns to manipulate the carriage.
overhead guard 
Metal framework that protects the operator and the cab against falling goods.
mast operating lever 
Lever controlled by the operator to move the carriage along the masts.
engine compartment 
Electric motor or combustion engine that supplies the power to propel the truck and operate the fork.
fork 
Instrument made up of two arms that is inserted into a pallet’s entry to lift it.
fork arm 
Part at a right angle that is attached to the carriage and, with its twin, makes up the fork.