21 Comments

  1. The Allgaier R18 is a well-known example of early 1950s German farm engineering, built in a time when machinery was designed to be simple, tough, and easy to repair. It uses a single-cylinder Kaelble diesel engine with water cooling based on evaporation. The coolant sits in an open tank and gradually boils off, which helps regulate temperature without a complex closed system.

    Starting the tractor is a manual and very deliberate process because there is no electric starter or battery. First, the operator heats the engine using a small ignition wick called a β€œZΓΌndfix,” which is screwed into the cylinder head. Diesel engines of this type do not start easily when cold, so the glowing wick provides the initial heat needed for combustion.

    After that, a decompression lever is engaged to reduce resistance inside the engine, making it easier to turn. The operator then uses a heavy hand crank to spin the flywheel and build momentum. Once the engine is turning fast enough, the decompression lever is released. Compression returns, fuel ignites against the hot wick, and the engine starts firing with its characteristic slow, steady thump.

  2. Every old machine from the 50s were built to last. We had a beaver plane we regret selling because they don't make the frames as solid as they use to.

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