Truck engine will not start?

SO it cranks pops and won't start?Have you tested the voltage of the new battery while it cranks to see what the battery voltage reads?You could have a alternator not charging and then the battery got too low t start.When you turn the key to the on position without cranking the engine over can you hear the fuel pump run in the tank for 5 seconds?

https://www.2carpros.com/articles/car-cranks-but-wont-start

Please run down this guide and report back.

If you know that is good start with the basics make sure you have spark rent a fuel pressure gauge to test the pump also rent a noid light that plugs into where the injectors go and you crank it looking for a flashing light.