Zetor 5545 MFWD

Zetor 5647 MFWD "Horal"

Zetor 5516 halftrack "polopasovy"

Zetor 3545 MFWD

The 4wd tractors were also updated. The 5511 had the same hubs as the 3045, but a new differential, In contradiction to the 30/3545, the 5545 could use the 4wd in both gear ranges.

Tires were 9.5-24 front and 14.9-28 rear

The 5647 was a modification for use on hill slope. It had a lowered center of gravity by turning the rear final drives, a FWD front axle, and a different weight distribution.

Tire sizes were 9.5-20 front and 14.9-24 rear

The halftrack 5516, one of the most rare tractors, was built to the old principle of the old 25 A polopasovy. A belt was running over the rear wheels and a supplementary axle, stretched by springs. The belt was built up from two cables, with iron beams between them. The independent foot brakes were needed to turn tight.

3545, the 4WD 3511. The front axle drive could only be used in the low gear range. This tractor has the old cab, combined with a safety frame.

Tires were 9.5-20 front and 12.4-28 rear.