John Deere 5065, with the grapple on, and the ballast block, the back still can get a little light if lifting a full load in the grapple. The grapple it痴 self is just under 1000 lbs.
Ken, attached are pictures of the steel framework inside the block of cement. 36, 60 lbs bags of cement mix.
No other steel in the block. The the outer slots are for a Cat II tractor and the inner one is Cat I. I waited 3 weeks before using it so as to let it set properly. One of the pictures...