The instructions for this model tractor were published in Meccano NEWSMAG No.72 July 1995 it is a modified version of a model originally designed  by Pierre Monsallut. The original model had chain drive the version published in 1995 had several radical modifications including the replacement of the chain drive with 3/4" bevel gears. I have in turn made several further modifications that may be of interest to anyone planning on building the model.  The main changes are slightly increasing the length of the wheel base, reducing the width of the back axial by using two hole double angle strips instead of three hole,  replacing the chain drive from the motor with a belt and pulley drive, plus some other cosmetic changes This was mainly to protect the delicate gears in the Meccano Power drive motor in the event of something jamming.  The model operates very well.  I have mounted mine on a display stand so that the various functions of the model can be demonstrated.

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