I'm not sure what a semi-trailer is, but I would imagine a tow truck could help with your problem.
There are a number of place one could watch a live truck pull. Many county fairs have a truck or tractor pull event. The largest truck pull event in the US is the Budweiser Dairyland Super National Truck and Tractor Pull event which is held Tomah, Wisconsin.
can you pull a 36 foot house boat with a pickup truck
pull it out with a tow truck
Power and gearing.
That Usually depends on the strength of the truck/engine. A higher horsepower and you should be able to pull more.
You have to remove the transmission to get to the clutch slave cylinder on that truck. You can pull the engine if you want and get to it. YOUR CHOICE.
you can see the front of the truck in your rear-view mirror.
you can see the front of the truck in your rear-view mirror.
Manual has better pull power.
They plowed the field with the tractor. Even with the tractor they were almost unable to pull the car out of the ditch.
One can find videos for a truck pull in many different places. Some web pages where one can find them are Youtube, Diesel Power Magazine and Truck Pulling Unleashed.
You should see both headlights of the truck in your rearview mirror before you pull in front of it.