JCB 215 Series 2 Backhoe - Perkins Diesel Dies Under a Load

I have a 1995 215 series 2 with about 8,200 hours. She idles well. When I use the hydraulics - dig or move, the engine dies. It will start immediately and die under a load. We can do this several times and then it just stops running and won't start. I can get it started by priming, but the cycle continues. So far I have replace the fuel filter, lift pump, drained the fuel and replace with fresh, cleaned out the sediment separator. I still have the same problem. The particle screen in the old...

JCB 215 Series 2 Backhoe - Perkins Diesel Dies Under a Load

JCB 215 Series 2 Backhoe - Perkins Diesel Dies Under a Load