Hi Dave-
I worked for a machine manufacturer for many years. A common philosophy to keep the cost of new designs down is to use as much as possible from the old design. IF this tractor was originally an articulating design they would change the center connection but leave front and rear housings...
OOPs-
I assumed it was articulating, after seeing pic's again it is a ridgid frame front steer. The Pasquali's are articulating- a much more fragile design normally. They may have over powered FEL to put enough stress on those bolts to shear them. If there is evidence of them being in place when...
I'm not a logger- or a farmer- or a vineyard worker. I have the machine (pasquali 462e)that rangerdave is using to fill in for his expensive broken tractor. I BOUGHT IT BROKEN IN HALF! OK mine broke the rear axle from the weight on back- but it's the same issue. The machines were never intended...