The Oliver OC-9 was the first tractor crawler by Oliver Farm Equipment Company to employ the use of a torque converter. Along with the OC-96 variant, this model was introduced in 1959 as the final model in the OC series, marking a significant advancement in the company's technological standards.
The Oliver OC-9 was the first tractor crawler by Oliver Farm Equipment Company to employ the use of a torque converter. Along with the OC-96 variant, this model was introduced in 1959 as the final model in the OC series, marking a significant advancement in the company's technological standards.
Source: Wikipedia "Oliver OC-9" · CC BY-SA 4.0
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