JDcrawlers Messageboard

The auction you are looking at with that link is an archived auction, the crawler sold several months ago.
Lavoy

No, I deleted them quite a while ago. I actually was in Kansas City this summer, and drove over and looked at the crawler.
Lavoy

You are in definite need of pins and bushings alright. The trackframe can be welded up and ground down, or you can cut the piece out and replace it, that is not that big of a deal.
Used idlers can be had, as well as used rollers, it may not be as bad as you think.
Lavoy

One thing to be aware of when buying log chains is the grade of chain you are buying. Unless it something very non-critical with zero chance of someone getting hurt, don't bother with "proof coil" chain. At the very least, buy "high test". We quite buying anything but high test or Peer 7 (grade 70) ...

I know nothing, NOTHING!!!!!!!1
Lavoy

I don't think it is hardened, but it will be good quality, probably much better than hot or cold rolled.
Lavoy

It was an option, although at that time I believe not a very popular one. Might have been more prevalent on the Ag crawlers, but not many of them built either.
The 4 bolt rails also became the replacement part for 420 and 430, so there was another possible source there.
Lavoy

When I rebush rails, I can tighten them up some. I shim the bushing end wide, and the pin end narrow, and that will make quite a difference. Not usually worth getting different rails, and only new is 350 rails which are 4 bolt.
Lavoy

There will be side to side play even on new pins and bushings, it just depends on link wear. The critical measurement as far as slop is the center to center measuerment across 4 links (5 pins). 23" is new, 23.5 is 100% worn.
Lavoy

If you have a power 6 way, you won't have the clearance for 14" pads. If you find yourself in a situation where you are actually sinking just driving and not under load, the larger pad will help. If not, then may or may not do any good. It will increase the turning load due to more grouser in the gr...

Jimmy,
This is the link I use to get in, try it.
Lavoy
http://www.johnnypopper.com/forums/

Harlo made a forklift attachment for 420-440. Keep clicking on the pic on the upper LH side of this page, and you will see what it looks like. They were rated at 4000lbs at 24" to 14', 2000lbs to 21' if you had the 3 stage mast. Main thing to overcome will be the mounting system. The Harlo setup is ...

I think 3000PSI is still too much pressure. I have one of the old high volume guns, and the piston is like 1/2" or more in diameter. I doubt it will do anything close to the 3000PSI, the lever is hard to push when it isn't on a zerk, let alone when it is. That being said, the lower the pressure gun ...

1010 rails will go right on with no modifications.
New aftermarket rollers will be in the range of $130-$175 depending on where you find them.
Lavoy

Now available, valve train kits for 420, 430, and 440. Consists of valves, guides, springs, and keepers, $110 + shipping.
Call or e-mail for more info.
Lavoy