I got a couple of hours of chipping in this afternoon on my new WoodMaxx WM-8H & I'm very impressed! Stalled the tractor once but only because I had the infeed going too fast for it to handle the piece I was feeding it.
Here's a picture of the results!
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I've had a Wallenstein for several years now and am not very happy with it. I paid for hydraulic feed but have to push most wood into the chipper. Calls and letters to Wallenstein got no answer. If the juniper I put through it isn't pretty dry the chute will clog at the entrance. Then it's time to disassembleI think the slow 540 RPM of the direct drive flywheel is part of the clogging problem. The hydraulic hoses are leaking so badly I will need to replace them before spring. I wanted American made but I think I'll sell it and try the Woodmaxx. Maybe Wallenstein has gotten better but I'm not going to give them another chance.
Jinma is not a real company that makes wood chippers. You can do all the research you want, and you will never find a Jinma Corporation that makes chippers. It's simply the name of a design style that no one owns the rights to.
Just spoke with a rep on the phone at WoodMaxx for a bit... very patient and friendly. She stated that the units are made in China. When asked, she said that the value model (WC-8N) was very similar to the Jinma chippers, but that the higher models (WM-8M/H) are not the same and are much improved. When asked, she said the difference in speed (feed) between the Mechanical and Hydraulic version was 58 ft/min vs 75 ft/min.
I recently bought a Jinma WC8 Chipper from Coldwatertractors in Hoqium, WA. It's being urned by a Yanmar 1700. They charged me $1250 cash for the chipper. So far I have done about....6 or 8 full size pick up truck loads full. I drive a 1998 Dodge Ram 3500, so it's a decent amount of material. So far the blades are still sharp, and it just chugs right along.
I purchased the WC-8 Liberty Implements Wood Chipper
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After about an hour I had a nice pile of chips... and then...