Zetor 4340
Series: Other models
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The Zetor 4340 is a tractor from Zetor. The engine is rated at 45 kW.
Drive type: MFWD.
It runs on diesel; the engine is water-cooled. Within the range, rated power spans from 18 to 123 kW; with 45 kW, the 4340 sits in the lower third. Directly alongside are the 5511 with 41 kW below and the Proxima 70 with 47.6 kW above.
Zetor — where the name comes from and how the ranges connect
The brand name is a compound: the "Z" of the Brno arms factory Zbrojovka and the ending "-tor". It was there, in March 1946, that the first three Z 25 tractors left the line — an eightieth anniversary in 2026.
Read on 3 more paragraphs
Order among the many Zetor types came in the 1960s with the unified UR I and UR II ranges. They brought more modern engineering and, above all, shared central components — the reason parts can be swapped across model boundaries. In the late 1960s the UR II joined the programme, designed for stronger machines and more demanding work.
Those lines still run today. The UR II range was revised and reached the market in 1998 as the Zetor Forterra. Around the turn of the millennium came the Proxima and Forterra ranges together with the modernised Major and Crystal — the generation carrying the brand through its recent history.
Anyone assessing an older model should therefore identify the base range first. A tractor from the UR II family is technically related to the Forterra, even with decades between them. That kinship decides how readily parts can be found — with a brand spanning eighty years of models, that is the most practical question of all.
Sources: Landtechnikmagazin, Schweizer Bauer, Landtechnikmagazin: Proxima
Technical data
Engine
| Engine make | Zetorcorrect |
|---|---|
| Fuel | dieselcorrect |
| Power | 61 hp (45 kW)correct |
| Rated speed | 2,200 rpmcorrect |
| Torque | 201 Nmcorrect |
| Cylinders | 4correct |
| Displacement | 3,456 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Width | 1,854 mmcorrect |
|---|---|
| Height | 2,632 mmcorrect |
Drivetrain and chassis
| Drive | selectable four-wheel drivecorrect |
|---|---|
| Gearbox | 10 V/2 R, 20 V/4 R or 10 V/10 Rcorrect |
Working data
| Fuel tank capacity | 70 lcorrect |
|---|
Origin and approval
| Plant | Czechoslovakiacorrect |
|---|
Other data
| Linkage category | Cat IIcorrect |
|---|---|
| PTO speed | 540/1000 rpmcorrect |
Frequently asked questions
How much power does the Zetor 4340 have?
The Zetor 4340 delivers 61 hp.
What engine does the Zetor 4340 have?
4 cylinders, 3,456 cm³ displacement, Diesel.
What are the dimensions of the Zetor 4340?
1,854 mm × 2,632 mm.
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.
- 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 22 individual figures for this model. They come from 2 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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Other models in this series
10045
10111
10145
105
105 41 PROXIMA PLUS
105 Forterra
10540.1
10541
10541 PROXIMA PLUS
10641 FORTERRA
10641.21 FORTERRA
10742 Forterra
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.