How to convert a gasoline walk-behind tractor to gas

When a walk-behind tractor performs large volumes of work, the total gasoline consumption for the season reaches significant levels. Considering the cost of fuel, converting the engine to consume cheap gas is more than justified. The motor of a walk-behind tractor is less demanding than that of a car, so it can be converted to gas without the use of special modules, which makes the cost of conversion very low. The transition to gas is relevant not only for a walk-behind tractor, but also for a boat motor or a gasoline electric generator.
How to convert a gasoline walk-behind tractor to gas

Materials:


  • tourist propane cylinder 5 l;
  • propane reducer frog;
  • gas hose;
  • gas tap;
  • clamps;
  • a piece of copper pipe 1/4'';
  • crimp coupling for connecting copper pipes;
  • fine gas filter for gas equipment;
  • Sheet steel.

Re-equipment of walk-behind tractor


How to convert a gasoline walk-behind tractor to gas

The first step is to disassemble the propane reducer and remove the spring from it. To do this, the seal is torn off, the screws are unscrewed, and the cover is removed. The spring underneath is removed and the cover is replaced.
How to convert a gasoline walk-behind tractor to gas

How to convert a gasoline walk-behind tractor to gas

How to convert a gasoline walk-behind tractor to gas

It is necessary to ensure gas supply to the air filter housing of the walk-behind tractor.To do this, a hole is drilled in the side and a crimp coupling is inserted into it to connect the copper pipes. On both sides, short sections of flared copper pipes 3-4 cm long are clamped into the coupling. When twisted, the coupling halves clamp the filter wall. If it turns out to be thin, then you can put a washer so that the coupling sits firmly and does not dangle. The copper tube inside the filter should end opposite the intake manifold. A hose is installed on the outside of the second tube, and it is clamped from above with a clamp. After this, the filter element is placed in the filter and the cover is installed.
How to convert a gasoline walk-behind tractor to gas

How to convert a gasoline walk-behind tractor to gas

The hose from the walk-behind tractor air filter is laid to the beginning of the steering column. A fine gas filter is inserted into it to prevent dirt from getting into the engine from the cylinder. The filter itself is mounted on the steering column.
How to convert a gasoline walk-behind tractor to gas

From the fine filter, the hose rises higher to the steering wheel. A ball gas valve fits into it, preferably with a lever, to make it easier to adjust the propane supply. The tap is attached to the steering wheel closer to the right hand.
How to convert a gasoline walk-behind tractor to gas

From the tap the hose goes to the reducer mounted on the cylinder. The cylinder itself is mounted on the steering column. A platform is cut out of sheet steel for it, which is clamped to the column with a powerful clamp. The cylinder is positioned so that its valve is located in the area where the steering column transitions to the steering wheel.
How to convert a gasoline walk-behind tractor to gas

How to convert a gasoline walk-behind tractor to gas

How to convert a gasoline walk-behind tractor to gas

To start the walk-behind tractor, you need to put the gear in neutral, open the valve on the cylinder completely and open the ball valve slightly for a few seconds. After this, the valve is closed and the engine is started by the starter. The gas accumulated in the air filter is enough to run the engine for several seconds.Immediately after the start, you need to open the ball valve a few millimeters until it becomes clear from the sound of the engine that it is receiving a sufficient amount of the fuel mixture. In the future, when the walk-behind tractor is loaded, the tap opens a little more, since it will not be possible to pick up speed with the throttle handle as when working on gasoline.
How to convert a gasoline walk-behind tractor to gas

This modification allows you to start the engine on gasoline at any time. This is useful if you run out of gas. In winter, you can start a cold walk-behind tractor on gasoline, and after warming up the engine, turn it off, turn off the valve on the fuel tank and run on gas.

Watch the video



Results of operating a walk-behind tractor on gas


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Comments (2)
  1. Oleg Lukyanov
    #1 Oleg Lukyanov Guests 3 March 2020 20:01
    1
    Why did you remove the spring from the gearbox?
  2. Alexander
    #2 Alexander Guests March 8, 2020 10:06
    1
    For gas, you need to install a needle valve to smoothly regulate the flow...