Abstract
For the motor lorries builders a revolution has taken place during the recent years; nevertheless industry is utilizing to a most inferior extent the feasibilities of modern technology. On the other hand, the combination of a simple robustness and an up-to-date technology is most practical. At the present day the increase of efficiency of lorry motors to 8 H.P. per tonne of specific weight has come to the force, With this, a new era has commenced, for one could only rely on well-proved appliances which could hardly be developed further.