A bike for really rough ground?

[Lutin]

Found this by way of another forum -

Details here - Mercier 1937 Moto Chenille 350cc 1 cyl ohv

 

[Kjell Lindberg]

Good find!
Interesting website too!

 

[Wigan Chris]

Is the pipe coming down at the front the exhaust angled at the tread... so the hot gases are used for melting snow?