Hi stnickstoys
I have/own a JW-03 back hoe, it came with my JINMA when I bought it, as did a friends (we got ours together as a deal, both got FEL HOE combos with 284's. we also got tillers, (Not like the ones HOMIER sells ours are better center gear drive) I also got 5' finish mower.
here is jist: Hoes work OK (new ones are PROBABLY a bit different than ours, ours are 2002 units.) ours had the updated hoe PINS to keep the center cyl piviot points from expanding and popping out if you side shifted while bucket was down in hole or to PUSH sideways in a pile. still they don't have as much PRESSURE to make that much damage.
I run mine at 1200~1500 RPM so maybe 300 PTO rpm on the pump, plenty of pressure & speed at that RPM. run at PTO speed they are jerky but and can snap the center elbow pitiot cylinder rod @ the weld if not carefull. running lower they are OK, but still need to be aware that they cam over at the full bottom out spot which can snap the ram end off. it knocks out stuck mud doing it but repeatadly doing it weakens it and it will eventually break, HIS dad broke his when doing a elec trench some 600 feet long dad did it when he wasn't there so he maybe DROPPED it at ful extension as it was dads first day running it. they will FALL fast if moved down and out or curl as the HYD VALVE system lets the pressure HOLDING BOOM UP to flow into the EXTEND cylinder when using both movements at once this is biggest thing that you have to GET USED TO but not all to much of a problem.
I think more commercial units will not let this happen? all in all it is a good units, FOR THE PRICE. I think we got about 2400 into ours with shipping each with the machines.
digging depth is good to 4' or so then time slows way down, (can only move a foot or two where less than 4' deep you can move several feet. before repostioning.) mine cacn dig to about 6' but that last 12" is really really slow! 5' is bad enough though... I used mine this past week for about 5 tractor hrs already, pulling stuimps, rocks and digging & burrying old rotted logs and creating motorcycle jumps in the woods. I also dug a 3.5~4.5' deep by 150' elec service trench took about (3 hrs run time for that) my brother ran it sume and nearly tipped over tractor as he tried to SWING the rear of tractor across the PIT using the back hoe! it DOES pick it up easly BUT the swing power is not well or good enough to MOVE it sideways, it goes sideways and DOWN as the off center makes the tractor & hoe TWIST and the rear tire dropped into the already dug pit, (he was back filling) I was albe to get it out and off in about 3 min. scared him though and he hasn't wanted to get back on very much! /forums/images/graemlins/smile.gif More seat time for me! lol)
as for the tillers, I have not broken a single tine, still have 2 full sets. he broke 3 first day but when he installed them he put his in backwards and since has not broken 1 after turning them around.
mower (not same as hoimier either)
(stay away from) didn't save enough to put up wiht it's head achs. wheels are junk, blades are way too brittle belts bad and single pullies with narrow spaced bearing spindles. deck is GOOD almost 1/4" thick, but still not worth it paid 900. then and new USA is not much more and good used is same or less...
just my 2 cents worth
if you want some photos or anything let me know
Mark M /forums/images/graemlins/laugh.gif