Tread lightly and don’t get in a big hurry. With Trump deep sixing the EPA mandated BS, a lot of that regen crap is going bye bye. Give it some time to see how the manufacturers respond.
You better get the new tires. While you’re getting that done, it is customary to flush and replace the blinker fluid. The same shop can grease the muffler bearings and adjust the exhaust pipe diameters. A reputable shop may also have other recommendations.
Short answer. NO. Many of the costs are due to government regulations. Manufactures can not cost effectively produce a basic truck and stay competitive. They tried in the past and it failed.
Simple
Simple resolution. Any state than bans diesel vehicles or equipment will not be allowed to use or consume any goods or food that was produced or transported by the use of diesel powered equipment.
It appears the threads are right at the edge of the shear zone. Try using a longer bolt so the unthreaded portion is completely outside the shear zone plus 1/4”. Use stacked washers to fill the gap so the nut will torque down tight.
Scrap the pipe and stone bed system. Install an “Infiltrator” drainage dome system. Installation is simple, no truck loads of stone and should be on a smaller footprint.
Go from the top or expect crap / dirt / rust in your face. Remove the fuel filler tube, wires connectors and tailgate. Put the rear axle on blocks and remove the rear tires. Three people can lift / slide the box enough to get to the fuel tank pump. The box will sit on the frame but may need a...
Research carefully. Not saying this Kubota is one of them. A while ago there were crated tractors being sold at auction. They had been submerged in either a flood or while in the cargo hold of a ship. I can’t remember which.
Durability, longevity and a real work horse, you missed the most obvious. Kubota RTV 900. It will outwork any of the others. It’s not a speed demon but it can outhaul, outpull and outlive your listed choices.
Do the math. Purchase for $2000. Sell after splitting for half of that ($1000) :
$2000 minus $1000 = $1000 paid to split.
$1700 rent vs. $1000 to split = $700 saved.
Better off renting.