Options:Oliver 2.5L 4-cyl gasoline, Oliver 2.5L 4-cyl diesel
Oliver diesel:4-cylinder, liquid-cooled, 155 ci (2.5 L), Bore/Stroke 3.625x3.75 inches (92 x 95 mm), Power 44 hp (32.8 kW), Air cleaner oil bath, Compression 16:1, Rated RPM 2000, Starter type electric
Oliver gasoline:4-cylinder, liquid-cooled, 155 ci (2.5 L), Bore/Stroke 3.62x3.75 inches (92 x 95 mm), Power 44 hp (32.8 kW), Air cleaner oil bath, Compression 7.75:1, Rated RPM 2000, Starter type electric