Posted by Fixerupper on August 07, 2011 at 20:19:40 from (207.199.205.239):
OK got the M4 out of the shop today and took some pics. I can't figure out why the engine pic comes out big and the seat pic is small. They're all sized the same in Photobucket. The stats plate snuck in there twice but I'm done fiddling with the pics.
Anyway, after 450 hours of labor here it is. It should have a big box for shell storage sitting on the back but after these things went in to civilian service the boxes were removed to gain access to the engine. The owner will find a box someday but it hasn't happened yet. The shell box held the shells for whatever big gun it was designated to pull. From some of the reading I've done I've found out it pulled the 150mm,155,8 inch,9inch and 240 mm guns. The 155 had a 14 mile range and the 240 supposedly had a 20 mi range. I just read somewhere that the 155 weighed 30,000 pounds. It has a 40,000 pound winch on back so I have a hunch it was used to pull out stuck tanks, or whatever. Or it could pull itself out of the mud if there was a tree big enough and close enough to hook to. There's a full air brake system for the trailer if it had air brakes, along with an electric brake system for the same reason. Had a heck of a time finding cast iron glad hands to replicate the originals along with the brass shutoff valves in front of the gladhands.
I custom made the entire wiring harness using the old one as a pattern. Even used old looking fake cloth covered wire. The tractor has a 12V electrical system, but the trailer brakes are 6V. There's a big resistor under the dash to knock the trailer brake system down to 6V. The blackout driving light is 6V also so it has a resistor. Can't figure out why only the BO driving light is 6V and the rest are 12V. The dash lights are 24V running on the 12V system so the dash lights aren't too bright.
Engine is a Waukesha 817 cu. gas with two one BBL downdraft Zeniths. Calculated mileage is .9 MPG!! The torque converter is filled with #2 diesel fuel. We spiked it with a little ATF cause today's diesel doesn't have the lubricity the old stuff had. Transaxle uses 50WT straight mineral oil and has a big cooler the size of the radiator, along with the torque converter cooler that's the same size.
It's gonna be at the Albert City Threshing show this coming weekend. The site is 4 1/2 miles away from here so driving it there should take somewhere close to 5 gal of gas. OUCH! It's already been mentioned that we should hook it to the tractor pull sled at the show but it aint gonna happen. Don't wanna break a track or something like that though it would be fun to pull the sled out the gate and into the next county. The stats claim it has a 37,000 pound drawbar pull.
My next project is just a simple old F20 restoration of my own to wind down on. Jim
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