Oliver 60

The Oliver 60 was introduced in 1940 as a less expensive alternative to the 70. The 60 was equipped with a four-cylinder engine, developing , with a four-gear transmission. The 60 inherited the 70 Fleetline's styling, with fully enclosed bodywork and a swept-back radiator grille. Versions were produced for row crops with narrow front wheels, standard models with a wide front axle, and an industrial version. Engines could be obtained for gasoline or kerosene/distillate fuels. Production took place in the Oliver plant in Charles City, Iowa, selling for about $1,700 in 1948. The Oliver 60 was sold in Canada as the Cockshutt 60. ==Oliver 66==

The 60 was restyled in 1954 as the Oliver 66. Engines came with gasoline, kerosene/distillate, diesel and LP gas options. The 66 introduced an option for hydraulic accessories. Gross power increased to . The 60 sold for about $2,000 in 1954. the oliver 66 was the only fleet line series that was not offered with a factory lp gas option ==Oliver Super 66==

The Super 66 was introduced in 1954. The Super 66 used a three-point hitch with hydraulic lift. The Super 66 introduced a diesel version, and a 12-volt electrical system. Power rose to . The engine compartment was no longer fully shrouded with bodywork. The Super 66 sold for about $3,000 in 1958. ==Oliver 660==

A three-number sequence was introduced in 1959 with the Oliver 660. The new line was more squared-off in appearance, retaining the green body and replacing previous models' yellow and red highlights with a green-tinged white for grilles and wheels. The engine increased in power again, to gross power. The 660 was produced until 1964, selling that year for about $3,450. ==References==