I have Rim Guard in my rear tires - 1775#. I have a Rhino 950/8 foot rear blade on the 3-point - 1050#. I can lift very heavy chunks of Ponderosa pine and still have the rear tires lift off the ground. I've tried lifting a ten foot chunk of my ancient Ponderosa pine and had rear tire lift off. For the REALLY heavy stuff - logs or rocks - I use the "grip and drag" technique.
I can stack big rocks - up to 2750# - into a double high row - safely. I must be at a complete stop and on flat, level, hard ground. Lift and move forward the necessary distance.
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