For most all gasoline motor vehicles out there, you really can't go wrong with 5w30 or 10w30. Ofcorse some makers have been calling for 5w20 since the early 2000's...but not in a 79 toyo p/u.
81 trans truck
Need to know the model and wheel base.
You are going to need a flat bad truck and a fork lift
Truck driving school and some follow-on training.
There are screws on the inside. You need to unscrew the screws.
Chevrolet is a cheaper pick up truck than Ford and very reliable. Toyota is another cheaper but smaller truck. So it depends on how big of a truck you need
Need to know the year.
R134a
http://www.ncttora.com/fsm/1993/index.html This is the FSM the Toyota Technicians use. It has all the information you need. There is no difference in the 93 and 94 truck.
What kind of transmission fluid is used for a toyota camry 1990
yes it will need no mods to fit either
That depends on the Gross Vehicle Weight Rating of the truck, not on the length.