D31PL-18 blade lift capacity for stick rake.

First post here guys, just bought a tidy D31PL-18 with 4000 hrs on it, it'll be doing light scrub clearing here on our 30, 300 and 600ac farms here in Oz, just pushing lantana, guava tree, and other light scrub/small trees to clear way for more pastures. I started building a stick rake for it recently and doing the sums on the steel it looks like it'll weigh in at 420kg worse case, its a 3m rake. Now the old man is in my ear telling me the dozer probably wont even lift it. Gotta say, I'm...

D31PL-18 blade lift capacity for stick rake.

D31PL-18 blade lift capacity for stick rake.