Mighty Machines Season 4

Mighty Machines season 4 is the 4th season of Mighty Machines. 
== Episodes ==
Number	Name 	Plot summery 	Featured machines
1 	Modern Transit 	We look at a modern city transit system to see how they run. 	TriMet bus, MAX Light Rail trains, WES commuter rail train, Amtrak Cascades train
2 	At the drag strip 	We see how drag racing is done 	Top fuel dragster, Funny car, civilian drag racing cars, Jet truck
3 	World of electricity	We see the expanding world of electric vehicles 	electric car, electric truck, electric bus, electric train
4 	On the lakes 	We see how the shipping is done in the great lakes. 	Alpena, Paul R Tregurtha, Badger
5 	Monstrous trucks 	We see monster trucks in action 	Grave Digger, Bigfoot 1, Bigfoot 5
6 	Steam Power 	We go back in time where steam ruled 	UP 4014 steam train, Steam tractor, Steam ship
7 	Lighter than air 	We look at the world of lighter than air craft 	Goodyear Blimp, Hot air balloon, Pathfinder airship
8 	Delivery 	We look at various delivery vehicles 	USPS truck, UPS truck, FedEx airliner, Container train
9 	Retirement life 	We look at machines that no longer work 	Queen Mary, Museum cars, Museum engine
10 	Garbage trucks 	We look at various garbage trucks as they work 	Side loading truck, Front loading truck, Roll off truck
11 	At the food factory 	We look at a candy factory to see how candy is made 	Various candy making machines
12 	In space 	We go into space to see what goes on up there 	Rocket, Space Station
13 	At home 	In the series finale, we look at the home appliances we often take for granted	Washing Machine, TV, Coffee maker, Microwave, Phone
Category:Season 4
Category:Series
Category:Machines