![]() Fixed Speed, Oil-Flooded Rotary Compressors.They called it a throttle, but diesel does not have one, it really controls fuel.Īs soon as it starts, you disengage starter pinion, disengage clutch, close gasoline petcock and let pony run until it uses up fuel in carb, then remember to turn off ignition switch. Close the compression release, open the throttle a bit, and there is the thrill of that big 4 cylinder diesel coming to life for another day's work. Then engage the clutch and watching the diesel roll. Engage starter pinion gear lever - the short one. When it starts, let it warm up, and with clutch out, throttle back on diesel and open compression release. You make sure the clutch is out - the big long lever, then press pony start button. There is a petcock to turn on gasoline to pony. climb up and make sure diesel shifter is in neutral - don't want cat to move when you try and start it - it can be moved with the pony. After checking fluids, tracks, pins, etc. After 50 some odd years, probably leaving something out, Lot of steps to get going. No glow plugs on them, so in cold weather, a worn diesel can take a while to start. You can roll engine and build up oil pressure, roll it long enough to get the engine warm. The nice thing about a good pony motor is you can roll the Diesel as long as you need for it to start. It had a 6 volt starter for pony motor, and the notched pulley for a rope. You might get lucky and get spark from the magneto. ![]() Figure on draining both the gasoline and diesel tanks, cleaning them, blowing out the lines and replacing the fuel filters, and cleaning the gas tank and carburetor as well. If it's been sitting around for a while, you will probably need to devote some attention to the fuel systems. From the pictures, the lift cylinder rods will need replating or replacing. The Cats had the hydraulic control unit mounted up front, in front of the radiator. It's not like any Cat-made blade I've ever seen. The older machines, of which this is one, had the tank mounted on the fender not built into the seat like the later machines. Just don't stall it in a hole.Īs to the machine itself, it's an odd duck, that's for sure. We did that with my old D4 when I had the only real starting engine problem (carburetor). Of course you can also drag the thing with a pickup to pull start it. And if the engine even remotely right, it will start on the first or second pull. That's a plus no battery or other electric stuff to worry about. And yes, you need a rope lanyard to start the thing. ![]() I've never had much trouble with those small opposed cylinder ones, especially on such a small diesel. The starting engine is less of a concern. A friend bought one for less than that at a local auction, and drove it up onto his trailer. I'd call it a $500 machine if the engine turns over. If you can find out who will pay $4K scrap price for that thing, we can all become really rich. At ten cents a pound (around here that is wishful thinking) scrap price is $700 max at the scrap yard. Based on distant memory, those things run in the 6000 - 7000lb range. ![]()
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