In the revised 94 series, the Hydra Shift transmission was available for the first time in all-wheel drive models. The power of the 1694 was increased, and a new naturally aspirated 6-cylinder 1594 model was introduced. Both the 1594 and 1694 featured draft sensing. Otherwise, the updates to the 94 series mainly involved minor improvements to the cab. The steering pump was more powerful, and the steering valve was placed outside the cab. The cab's air intake was moved to the side of the hood, and the fuel filler cap was relocated to the front of the cab. An air conditioning unit was now available as a factory-installed option, as was a creeper gearbox. A dual hydraulic pump was standard equipment in some versions.

At the end of 1984, Tenneco, the owner of Case, acquired International Harvester's agricultural machinery production. The first effects on the tractors were seen at the end of 1985 when the colors of both brands changed to red and black, and the brand name became Case International. The smallest models were dropped from the 94 series, leaving only the 1394–1694. All tractors imported to Finland were equipped with the HS transmission. In the autumn of 1986, the transmission gearing was spaced out by 10% to increase road speed.

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