Hercules RXC US
pictures by Liejon Schoot
Marshall Museum Overloon

6 cyl. in line, side valve, four stroke, gasoline.
Bore x stroke: 4 5/8 x 5 1/4 in.
Displacement: 529 cu. in.
Output: 106 bhp at 2300 rpm.
Used in: 4-ton Truck Diamond T T968, Autocar U7144T