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Deutz-Fahr DX 120

Built: 1980–1983 · Series: DX

More machines from model year 1980

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With the DX 120, Deutz-Fahr offers a model from the DX series. Production: 1980–1983. The engine delivers 110 hp (80.5 kW), has 6 cylinders, with a displacement of 6,128 cm³. Torque is 388 Nm. Rated speed is 2,300 rpm. The machine is 4,490 mm long, 2,304 mm wide and 2,780 mm high. The unladen weight is 4,440 kg. The wheelbase measures 2,688 mm. Ground clearance is 590 mm. Top speed is 25 km/h. The tank holds 120 litres. Transmission: 12V/4R or 15V/5R. The engine is air-cooled. Tyres: front 11.00-16 ASF (A: 14.9-24 AS), rear 18.4-38 AS. The fuel is diesel. Construction: unit construction (no separate frame). The linkage is category II. The PTO runs at 540/1000 rpm. The DX series covers 36 models. Rated output within it ranges from 46 to 220 hp; the DX 120 sits in the lower part of that range with 110 hp. Its immediate neighbours are the DX 110 below it with 100 hp and the DX 140 above it with 125 hp. Unladen weight within it ranges from 1,570 to 9,250 kg; here the DX 120 sits in the lower part of that range with 4,440 kg. 692 Deutz-Fahr models across 50 series are on record.

Deutz-Fahr DX – Core Tractor Series From 1978 to the 1980s: three- to six-cylinder diesels with 33.7 to 162 kW (46 to 220 hp), 2,826 to 9,572 cm³ displacement, air-cooled

The DX series formed the core of the Deutz-Fahr range from 1978 into the 1980s and covered a wide power spectrum. According to the register, output ranges from 33.7 to 162 kW, with models rated in horsepower spanning 46 to 220 hp, using three- to six-cylinder engines with displacement from 2,826 to 9,572 cm³.

Read on 3 more paragraphs

Recorded operating weight runs from 1,570 to 9,250 kg, wheelbase from 1,790 to 3,012 mm, and top speed of the listed models spans 22 to 30 km/h. Large models such as the DX 250 marked the top of the Deutz-Fahr range at the time.

The DX series was later succeeded in the top-tier segment by the AgroStar and Agrotron series, while smaller DX models ran alongside the DX 3 series. For a used DX tractor, the exact power class matters most, as engine and chassis differ considerably within the series.

Across such a power span, mounting technology also changed within the DX range: smaller models used a category I or II three-point hitch, while the most powerful versions above 110 kW already used category III under ISO 730, with correspondingly larger pins. The two-speed PTO with 540 and 1,000 rpm allowed both light and power-hungry implements to be run on the same series. Between category II and III as well, older implements can still be used with reducer bushings, provided the tractor's lift capacity is not exceeded.

Sources: SpecCodex register, model data: Deutz-Fahr DX, Deutz-Fahr

Technical data

Engine

Fueldieselcorrect
Power110 hp (80.5 kW)correct
Rated speed2,300 rpmcorrect
Torque388 Nmcorrect
Cylinders6correct
Displacement6,128 cm³correct
Coolingair-cooledcorrect

Dimensions and weights

Length4,490 mmcorrect
Width2,304 mmcorrect
Height2,780 mmcorrect
Wheelbase2,688 mmcorrect
Ground clearance590 mmcorrect
Unladen weight4,440 kgcorrect

Drivetrain and chassis

Driverear- or four-wheel drivecorrect
Gearbox12V/4R or 15V/5Rcorrect
Front tyres11.00-16 ASF (A: 14.9-24 AS)correct
Rear tyres18.4-38 AScorrect
Top speed25 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 (80 kW / 4.4 t)

Power class: Large (100–180 hp)

Stronger than 70% 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 Deutz-Fahr DX 120 have?

The Deutz-Fahr DX 120 delivers 110 hp.

How much does the Deutz-Fahr DX 120 weigh?

The unladen weight is 4,440 kg.

What engine does the Deutz-Fahr DX 120 have?

6 cylinders, 6,128 cm³ displacement, Diesel.

How fast does the Deutz-Fahr DX 120 go?

Top speed is 25 km/h.

What are the dimensions of the Deutz-Fahr DX 120?

4,490 mm × 2,304 mm × 2,780 mm.

When was the Deutz-Fahr DX 120 built?

Production years: 1980–1983.

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 24 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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Other models in this series

Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · Latvian open data portal (retrieved August 2026) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data

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