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Ursus 6012/6014

Built: 1997–2009 · Series: Other models

More machines from model year 1997

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The Ursus 6012/6014 is a machine built by Ursus. Production: 1997–2009. The engine delivers 82 hp (60.3 kW), has 4 cylinders, with a displacement of 3,865 cm³. Torque is 298 Nm. Rated speed is 2,200 rpm. The machine is 3,850 mm long, 2,010 mm wide and 2,550 mm high. The unladen weight is 3,340 kg. The wheelbase measures 2,250 mm. Ground clearance is 350 mm. Top speed is 30 km/h. The tank holds 120 litres. Transmission: 8 V/2 R or 12 V/4 R. The engine is water-cooled. Tyres: front 7.50-20 ASF (A: 12.4-24 AS), rear 16.9 R 34 AS. The fuel is diesel. The bore measures 98.43 mm. The stroke is 127 mm. The compression ratio is 15.25:1. Construction: unit construction (no separate frame). The linkage is category II. The PTO runs at 540/1000 rpm. Rated output across the Ursus range ranges from 8 to 192.6 hp; the 6012/6014 sits in the middle of that range with 82 hp. Its immediate neighbours are the 6024 below it with 81.6 hp and the C-385 above it with 85 hp. Rated output across the Ursus range ranges from 8 to 190 hp; here the 6012/6014 sits in the middle of that range with 82 hp. 221 Ursus models across 12 series are on record.

Ursus — one brand, two licences, many relatives

Anyone looking at an Ursus rarely sees a purely in-house design. The brand's history is a history of licences — and that is precisely why parts are often easier to find than the production figures would suggest.

Read on 4 more paragraphs

In 1965 the Warsaw plant began building the C-4011 under a licence agreement with Zetor in Brno. At its heart sat the S-4001 engine, the Polish version of Zetor's Z-4001. That kinship runs through the ranges: the later C-360, built from 1976 and in the programme until the end of 1994, used the S-4003, the strongest engine of that family.

In 1974 a second licence followed — the British one from Massey Ferguson, together with the associated production plant. Models such as the MF 235, MF 255 and MF 265 were then built in Poland with Perkins engines and became a fixture on many farms. The higher Ursus ranges with four-digit numbers descend from this line.

One remarkable long-runner stands out: the C-325 and its revised versions C-328 and C-330 — popularly the "thirties" — plus the C-335 export version, ran without interruption for 34 years until 1993.

When buying used it is therefore worth establishing the range's ancestry first. An Ursus from the Zetor line shares engine parts with Czech machines, one from the Massey Ferguson line with British ones. That decides where to look for components.

Sources: warzywa.pl, Wiadomości Rolnicze Polska, ursus.info.pl

Technical data

Engine

Fueldieselcorrect
Power82 hp (60.3 kW)correct
Rated speed2,200 rpmcorrect
Torque298 Nmcorrect
Cylinders4correct
Displacement3,865 cm³correct
Bore98.43 mmcorrect
Stroke127 mmcorrect
Compression ratio15.25correct
Coolingwater-cooledcorrect

Dimensions and weights

Length3,850 mmcorrect
Width2,010 mmcorrect
Height2,550 mmcorrect
Wheelbase2,250 mmcorrect
Ground clearance350 mmcorrect
Unladen weight3,340 kgcorrect

Drivetrain and chassis

Driverear- and four-wheel drivecorrect
Gearbox8 V/2 R or 12 V/4 Rcorrect
Front tyres7.50-20 ASF (A: 12.4-24 AS)correct
Rear tyres16.9 R 34 AScorrect
Top speed30 km/hcorrect

Working data

Fuel tank capacity120 lcorrect

Origin and approval

Constructionunit construction (no separate frame)correct

Other data

Linkage categoryCat IIcorrect
PTO speed540/1000 rpmcorrect

Where this model stands

Power-to-weight ratio: 18.1 kW/t (60 kW / 3.3 t)

Power class: Universal (40–100 hp)

Stronger than 57% 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 Ursus 6012/6014 have?

The Ursus 6012/6014 delivers 82 hp.

How much does the Ursus 6012/6014 weigh?

The unladen weight is 3,340 kg.

What engine does the Ursus 6012/6014 have?

4 cylinders, 3,865 cm³ displacement, Diesel.

How fast does the Ursus 6012/6014 go?

Top speed is 30 km/h.

What are the dimensions of the Ursus 6012/6014?

3,850 mm × 2,010 mm × 2,550 mm.

When was the Ursus 6012/6014 built?

Production years: 1997–2009.

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 27 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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Other models in this series

Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data

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