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Zetor 5511/5545

Built: 1966–1972 · Series: 5 er-Serie (UR 1)

More machines from model year 1966

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The Zetor 5511/5545 is a model in the 5er-Serie (UR 1) series. Production: 1966–1972. The engine delivers 52 hp (38.2 kW), has 4 cylinders, with a displacement of 3,119 cm³. Rated speed is 2,200 rpm. The machine is 3,710 mm long, 1,833 mm wide and 1,620 mm high. The unladen weight is 2,444 kg. The wheelbase measures 2,257 mm. Ground clearance is 420 mm. Top speed is 30 km/h. Transmission: 10 V/2 R. The engine is water-cooled. Tyres: front 6.00-18 ASF (A: 8.00-24 AS), rear 14-28 AS. The fuel is diesel. The bore measures 95 mm. The stroke is 110 mm. Construction: unit construction (no separate frame). Around 37.535 alle units were built. The 5 er-Serie (UR 1) series covers 4 models. Rated output within it ranges from 23 to 52 hp; the 5511/5545 sits at the top of that range with 52 hp. Its immediate neighbours are the 4511 below it with 48 hp. Unladen weight within it ranges from 1,340 to 2,444 kg; here the 5511/5545 sits at the top of that range with 2,444 kg. 371 Zetor models across 27 series are on record.

Zetor 5 series (UR I) – early tractors 2511, 3511/3545, 4511 and 5511/5545 from Brno in the 1960s and 1970s, two- to four-cylinder diesels from 17 to 38 kW, Zetor's first generation

The 5 series forms Zetor's in-house UR I generation and thus the first post-war series from Zetor, built at the home plant in Brno from the 1960s. Type numbers 2511, 3511, 4511 and 5511 reflect the power class in horsepower in their first two digits, while pairings such as 3511/3545 and 5511/5545 denote different execution variants of the same base type within this generation. UR I was later followed at Zetor by the UR II (Crystal) and UR III generations.

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The register lists four versions here with 16.9 to 38.2 kW from two- to four-cylinder diesel engines with 1,559 to 3,119 cm³ displacement. Rated speed lies between 2,000 and 2,200 rpm, unladen weight ranges from 1,340 to 2,444 kg with lengths from 3,040 to 3,710 mm, widths from 1,620 to 1,833 mm and heights from 1,456 to 1,620 mm; torque lies between 88 and 188 Nm.

As Zetor's first modern generation, the 5 series, with its robust and simple technology, laid the groundwork for the brand's export success into the Eastern Bloc and numerous developing countries, where it remained in agricultural use for decades.

When buying used, on these older tractors check the condition of the clutch and gearbox, tightness of the injection pump, corrosion on the wings and bonnet, and wear on the front axle and steering linkage. Parts for this widely used generation remain well available through specialist Zetor used-parts dealers in central and eastern Europe.

Sources: SpecCodex register, model data: Zetor 5 er-Serie (UR 1), Zetor (manufacturer)

Technical data

Engine

Fuel	dieselcorrect
Power	52 hp (38.2 kW)correct
Rated speed	2,200 rpmcorrect
Cylinders	4correct
Displacement	3,119 cm³correct
Bore	95 mmcorrect
Stroke	110 mmcorrect
Cooling	water-cooledcorrect

Dimensions and weights

Length	3,710 mmcorrect
Width	1,833 mmcorrect
Height	1,620 mmcorrect
Wheelbase	2,257 mmcorrect
Ground clearance	420 mmcorrect
Unladen weight	2,444 kgcorrect

Drivetrain and chassis

Drive	rear- or four-wheel drivecorrect
Gearbox	10 V/2 Rcorrect
Front tyres	6.00-18 ASF (A: 8.00-24 AS)correct
Rear tyres	14-28 AScorrect
Top speed	30 km/hcorrect

Origin and approval

Construction	unit construction (no separate frame)correct
Units built	37.535 allecorrect

Where this model stands

Power-to-weight ratio: 15.6 kW/t (38 kW / 2.4 t)

Power class: Universal (40–100 hp)

Stronger than 36% 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 Zetor 5511/5545 have?

The Zetor 5511/5545 delivers 52 hp.

How much does the Zetor 5511/5545 weigh?

The unladen weight is 2,444 kg.

What engine does the Zetor 5511/5545 have?

4 cylinders, 3,119 cm³ displacement, Diesel.

How fast does the Zetor 5511/5545 go?

Top speed is 30 km/h.

What are the dimensions of the Zetor 5511/5545?

3,710 mm × 1,833 mm × 1,620 mm.

When was the Zetor 5511/5545 built?

Production years: 1966–1972.

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.
Check front and rear tyre sizes: mismatched pairs strain the drivetrain.
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 1 recorded source; 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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