Fortschritt ZT 323
Built: 1984–1991 · Series: ZT
More machines from model year 1984
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Fortschritt ZT – East German tractors from Schönebeck: four-cylinder diesels at 6,560 cc, 67 to 90 kW (90 to 120 hp), series from ZT 300 to ZT 423
The ZT series was built at the VEB Traktorenwerk Schönebeck plant in East Germany and formed the backbone of East German large-tractor production for decades. The fourteen designations recorded here, from ZT 300 through ZT 303 C, ZT 307, ZT 310, ZT 313, ZT 315, ZT 320 GB, ZT 323, ZT 323-A and ZT 325 up to ZT 403 and ZT 423, show the gradual development of the series across several model generations; suffixes such as GB or ZMF denoted different equipment or export variants.
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The register lists for the four models with complete specifications power of 67 to 90 kW (90 to 120 hp) from the 6,560 cc four-cylinder diesel engine. Unladen weights lie between 4,820 and 5,690 kg, lengths between 4,690 and 4,940 mm, and widths between 2,020 and 2,240 mm; overall height stands at around 2,855 mm, rated speed at around 1,900 rpm.
ZT tractors were widely used in East Germany and across the Comecon bloc, employed beyond agriculture also in industrial combines for transport and heavy-duty tasks; production at Schönebeck ended after German reunification in 1990, though many machines remained in use for decades across eastern Germany and Eastern Europe.
On a used purchase of a ZT tractor, check the condition of the clutch and mechanical gearbox, the tightness of the injection pump, and corrosion on the frame and wings; parts for this East German design are now only available through specialist dealers and tractor exchanges in eastern Germany and Eastern Europe.
Sources: SpecCodex register, model data: Fortschritt ZT
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 100 hp (90 kW)correct |
| Rated speed | 1,900 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 6,560 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 4,940 mmcorrect |
|---|---|
| Width | 2,240 mmcorrect |
| Height | 2,855 mmcorrect |
| Unladen weight | 5,690 kgcorrect |
Drivetrain and chassis
| Drive | four-wheel drivecorrect |
|---|---|
| Gearbox | 12/8-Getriebecorrect |
| Top speed | 35 km/hcorrect |
Origin and approval
| Plant | East Germanycorrect |
|---|
Where this model stands
Power-to-weight ratio: 15.8 kW/t (90 kW / 5.7 t)
Power class: Universal (40–100 hp)
Stronger than 75% of the tractors in the register — out of 15,663 models with a stated power figure.
Calculated from the documented figures above — not a rating.
Frequently asked questions
How much power does the Fortschritt ZT 323 have?
The Fortschritt ZT 323 delivers 100 hp.
How much does the Fortschritt ZT 323 weigh?
The unladen weight is 5,690 kg.
What engine does the Fortschritt ZT 323 have?
4 cylinders, 6,560 cm³ displacement, Diesel.
How fast does the Fortschritt ZT 323 go?
Top speed is 35 km/h.
What are the dimensions of the Fortschritt ZT 323?
4,940 mm × 2,240 mm × 2,855 mm.
When was the Fortschritt ZT 323 built?
Production years: 1984–1991.
What to check before buying
- Check the hour meter against the service records — a replaced instrument is the most common gap.
- Compare the data plate and chassis number with the papers.
- Check the weights in the papers against the figures here — attachments change them.
- Shift the gearbox cold and warm — jumps only show up at temperature.
- Load the hydraulics and watch for sag.
- Ask about parts availability for this build year — the running costs hang on it.
A general list for this type of machine — no substitute for an inspection or an appraiser.
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This page carries 17 individual figures for this model. They come from 3 recorded sources; every figure can be traced there. What we cannot document is not here — we leave gaps open rather than estimate them.
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