Birger Hatlebakk created Moxy Engineering, a company that specializes in making these.
Birger Hatlebakk created Moxy Engineering, a company that specializes in making these. The largest one  of these machines currently in production is the 797F. Water-level and heaped refer to two important  measurements relating to them. Some types of these include a drawbar to control a pup, while the articulated  forms are called yukes. Those forms are related to versions with a transfer trailer. Their capacity is usually reported  in terms of cubic yards. They use hydraulic cylinders to raise and lower the rear namesake body. For 10 points,  name these vehicles that transport material like sand or rock and then offloads it by raising the rear part of the  vehicle up allowing gravity to pull down the load.
Birger Hatlebakk created Moxy Engineering, a company that specializes in making these.
dump trucks [or dump truck bodies]