Allis-Chalmers DD grader of the 1950s. In the 1940s, Allis-Chalmers launched a new grader called the model 'D' to replace the former model 'W' tractor-mounted type at the lower end of its motor-grader ...

LAPORTE — More than a century of farm equipment manufacturing by Rumely and Allis Chalmers will be showcased during an official grand opening of a museum dedicated to both former pioneers in the ...

LAPORTE — Memories of working at Allis Chalmers and operating its brand of farm tractors poured in when the doors of a museum dedicated to the company opened its doors Saturday for the first time. The ...