1918 Mack AC "Bull Dog" 3 ½ Ton City Service Ladder Truck
Chassis no. 70061
The storied Mack Company owes much of its identity to their famous AC models produced in the World War 1 era. The tough and dependable look of the machines inspired the company to choose the "bull dog" as their mascot, and it continues to be so till this day.
The AC quickly established a reputation for ruggedness and reliability. The 377ci four-cylinder motor fed its power to the wheels through a dual chain drive. Its strength and rough terrain ability lead to 6000 orders during the World War for both the US and UK armed forces. The AC was produced in 3 ½, 5 ½ and 7 ½ ton variants depending on requirements.
The AC could be had in numerous configurations depending on application. The longest chassis were used for City Service Ladders and some logging applications. Because of the chassis length and the presence of a high tension distributor in addition to the magneto, this example was most likely used as a City Service Ladder Truck.
Unlike hook and ladders that used an articulated tractor, the service ladders used a continuous long wheelbase chassis. Their enormous length made them the least likely to survive as most were repurposed later in life with a shortened frame.
This Mack AC is therefore another great survivor. Having been stored inside for decades it has not seen the deterioration from the weather. The sheet metal is remarkable, appearing to be straight and free of corrosion issues. The truck rolls on 24" demountable cast Dayton wheels that appear to be original. The mechanical side looks complete, though part of the radiator appears to be missing. Almost all of its fire equipment is missing, indicating that it may have been adapted to a new chassis in period. We understand it to have been originally in service in the Baltimore area.
AC Macks are sought after collector pieces and increasingly difficult to find in unrestored condition. To find an example that has not been weathering outside for decades, such as this lot offered, is a rare occurrence today.
- Please note that the title for this vehicle is in transit.