The engine shown is a four-cylinder (cylinders cast singly) rather than the six-cylinder (cylinders cast in pairs)
Oakland Heavy Duty: 1918 | Shorpy Historic Picture Archive
Oakland Heavy Duty: 1918 | Shorpy Historic Picture Archive
The engine shown is a four-cylinder (cylinders cast singly) rather than the six-cylinder (cylinders cast in pairs)
Stannous Flouride's Book of Truthiness 
