31757D Rear axles at Autocar factory, Ardmore, PA.1955.

Caption Missing. Click to us identify this photograph.

Cummins HRBB-600 diesel engine, left side view. Factory photo. May 7, 1951

Cummins HRBB-600 diesel engine, left side view. Factory photo. May 5, 1951

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

Caption Missing. Click to us identify this photograph.

North Jersey Quarry Co , Summit, NJ Mar 3, 1955

Caption Missing. Click to us identify this photograph.

Model DC75T, standard diesel chassis. Factory photo.

Model DC87DOH, diesel cab and chassis. Factory photo.

Model DC103DOH, diesel cab and chassis. Factory photo.

Model AP25, off road dump truck. Suburban Excavating.