Does a 99 Ford Explorer have a timing belt?

The 4.0 L OHV and 5.0 L V8 engines have 1 TIMING CHAIN The 4.0 L SOHC has 3 TIMING CHAINS - the main timing chain from the crankshaft to the " jackshaft " ( which is where the camshaft is on the OHV ) A 2nd timing chain from the jackshaft to the drivers side cylinder head at the front of the engine , and a 3rd timing chain from the jackshaft to the passenger side cylinder head at the back of the engine