A Diesel Pusher motor home is a motor home that has a Diesel Engine that is located in the rear hence the name Diesel Pusher as in the Diesel Engine in the rear of the Class A motor home is pushing the motor home forward down the road.
Most Diesel Pusher Motor Homes get around 14 to 18 Miles Per Gallon on the Diesel Fuel.
If the Diesel Motor of the motor home is in the back of the motor home it's a Diesel Pusher.