If you can't get it fixed right there, it looks like you have enough room to cut a piece of hose to slip over the pipe, then you can use a hose clamp right over the damaged area. Screw that down tight and you will be good for a few miles. It should get you to a shop.
If that pipe is like the pressure pipe on my Neoplan, it is flared stainless steel. I had a piece shortened at a hydraulic shop and it is almost impossible to flare that size SS. The factory heats it red hot and then rolls in the flare.
If you can find a compression fitting for that pipe, I would install it at the first accessible spot beyond the bend and replace that section with 4,000 or 5,000 psi hose.
I think Lee has the right idea just cut the curve out of it and replace it with a hose.
The forklift repair guy will have a solution I can almost guarantee it!
If the line was cut and a section of hose the correct i.d. were slipped onto the line, and secured with three or 4 HD high quality hose clamps, the repair would likely out live you.
The Bus can drive without hydraulic assist, the big issue is damage to the pump. That is easily taken care of by either removing the belt (if its belt driven) or bypassing the line back to the pump.
You could also clamp a piece of hose against the "wound" with a HD hose clamp. As long as you don't crank the wheel aggressively or hang on the stops making the relief valve scream, its never going to reach max psi and blow a ton of fluid out. Its almost zero psi not doing anything and likely only a 100 psi or so in light applications. That kind of temporary fix may leak, but you could manage it.
Does your return line really have 2000lb pressure? Usually the pressure side will, but the return side won't...Cable