A Boeing 747 has four engines.
a big one
if you mean how many wheels is a Boeing 747, there are 18.
The Boeing 747 has at least 4 engines.
The Boeing 747 is manufactured by Boeing Commercial Airplanes.
The Boeing 747 has four main trucks...two body trucks and two wing trucks. Each truck has four wheels and there are two nose wheels for a total of 18 wheels.
The Maximum Take-Off Weight for a Boeing 747-100 is 333, 390kg; a Boeing 747-200 and 747-300 is 377,842kg; a Boeing 747-400 is 396,890kg; a Boeing 747-400ER is 412,775kg and the Boeing 747-8I is 442,253kg.
The most popular model, the Boeing 747-400 and the Boeing 747-8 can go at 988km/h
747
Qantas currently has 21 Boeing 747-400s and 6 Boeing 747-400ERs. Qantas is the only operator of the ER 747-400.
A Boeing 747 airliner holds 57,285 gallons of fuel
The Boeing 747 uses four engines.