JDcrawlers Messageboard

Time for some Seafoam to help with the moisture. And a short cycle fluid/filter change.
Best regards, Bruce

There are many parts that are shared by those machines. Look carefully at comparison pics. How many pieces of the donor machine would you need to use to pay for the donor purchase price? Not only are parts $$$, 40 yr old industrial parts are getting harder to find. This is why I have two donor machi...

I would remove the bottom cover on the right side and clean the small intact screen on the pump. This small screen can easily get slugged with slime and stall the pump. There is a pressure test port on the bottom of the right side. Should have 1,000 psi give or take..

Did you run the machine without the fuel cap? What was the result? Is the air cleaner/filters unobstructed? Correct supply and return fuel lines come from the front of the tank. There should be a sump with a drain to get rid of moisture and debris. This is a great time to service the sump if it is n...

Send an email to Lavoy!

Try running the machine with the fuel cap loosened or off(in clean conditions). I'm not sure what series 450 you have? Loosening the cap will isolate the fuel tank vent tube and it's function. You need to search this forum for "mouse turds". Some internal components in the injection pump(IP) can bre...

Ex forestry machine can be bad b/c they may have had many different operators (good, bad inexperienced etc). But these machines usually had lower hours and no expense spared with the tax payer dollars!! The winch is powered by a winch drive that exits the rear of the machine. There is a splined coup...

The only function you would not have is angle, which is helpful for moving material from one side to the other side. As stated the outside blades are more robust. The hydraulic tilt is definitely a plus. I would not turn down that crawler b/c it is a 6415 and not a 6405! I think it would do all the ...

Welcome to the board. Nice looking 450. The outside mount hydraulic tilt blade is a 6415, I believe. Typically the outside mount blades are stronger than the inside mount blades. The chains look nice and have plenty of hours of service left. Single bar grousers look really good, also. Make sure the ...

Amazing work. Your machine will be an excellent asset when completed. Best regards, Bruce

The best and most reliable parts source is Lavoy, proprietor of this site. Email him at. Postmaster@jdcrawlers.com

The rotary type is inferior to the spool type. Deere started with spools and then graduated to rotary types. Then had lots of trouble like you are describing. They warranted a lot of rotary valves, they eventually replaced them with spool valves in a recall. And switched future production to spool v...

Just a couple of additional ideas to contribute to the above. There is a small wire screen attached to the pick up for the hydraulic pump in the winch. This screen is a small tube with fine wire mess and gets plugged easily as the winches are often used hard and neglected. The screen is approximatel...

Very good deal, best regards. Bruce

Parts wise and fundamental wise, the PTO (power take off) and the winch drive are very different. The winch drive only sticks out the back of the case 2-3 inches. The PTO is like 8 inches
Keep us posted, Bruce