Technical register for agricultural, construction and commercial machinery · sourced data
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Deutz-Fahr DX 4.30

Built: 1983–1989 · Series: DX 4-Reihe

More machines from model year 1983

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The DX 4-Reihe series from Deutz-Fahr includes the DX 4.30. Production: 1983–1989. The engine delivers 75 hp (54.9 kW), has 4 cylinders, with a displacement of 4,086 cm³. Torque is 266 Nm. Rated speed is 2,300 rpm. The machine is 4,140 mm long, 2,300 mm wide and 2,615 mm high. The unladen weight is 3,920 kg. The wheelbase measures 2,400 mm. Ground clearance is 425 mm. Top speed is 30 km/h. The tank holds 125 litres. Transmission: 15V/5R or 18V/6R. The engine is air-cooled. Tyres: front 13.6-24 AS, rear 18.4 R 34 AS. The fuel is diesel. The bore measures 100 mm. The stroke is 125 mm. Maximum torque is reached at 1,503 rpm. The linkage is category II. The DX 4-Reihe series covers 4 models. Rated output within it ranges from 70 to 90 hp; the DX 4.30 sits in the lower part of that range with 75 hp. Its immediate neighbours are the DX 4.10 below it with 70 hp and the DX 4.50 A above it with 82 hp. Unladen weight within it ranges from 3,660 to 4,170 kg; here the DX 4.30 sits in the middle of that range with 3,920 kg. 692 Deutz-Fahr models across 50 series are on record.

Deutz-Fahr DX 4 series – 1980s compact class from Cologne and Lauingen: type number by power class and development stage, air-cooled four-cylinders, 51.5 to 65.9 kW, A four-wheel-drive version

The DX series was Deutz-Fahr's mid-size range, the company formed in 1968 from the merger of the Cologne engine maker Deutz with the Baden-based farm machinery maker Fahr of Gottmadingen and Lauingen an der Donau. In the 1980s Deutz-Fahr ordered its tractors by power class: the first digit after DX names the class, the digits after the point (here 10, 30, 50, 70) the development stage within that class in ascending power, while the A suffix marks the four-wheel-drive version. All four models are driven by air-cooled Deutz diesel engines that need no coolant or radiator.

Read on 3 more paragraphs

The register lists here four versions with 51.5 to 65.9 kW (70 to 75 hp) from four-cylinder engines of 3,768 to 4,086 cm3 displacement. Unladen weight ranges from 3,660 to 4,170 kg, overall length from 4,040 to 4,170 mm, width sits around 2,300 mm, and height between 2,610 and 2,640 mm. Torque ranges from 237 to 320 Nm at a rated speed of 2,300 rpm.

The DX 4 series targeted mid-sized mixed farms looking for a versatile yard tractor for fieldwork, transport and front-loader work, competing with comparable four-cylinder tractors from Fendt Farmer and Massey Ferguson of the period.

On a used purchase the air-cooled engines deserve particular attention: cooling fins, the fan and the fan belt must be free of dirt and cracks, since a failure of the air cooling quickly leads to engine damage. Also worth checking are the clutch, the gearbox synchro rings, the tightness of the hydraulics and lift linkage, and rust on the stub axles and frame. Wear parts for the Deutz engines are still available through the SDF/Deutz-Fahr parts network.

Sources: SpecCodex register, model data: Deutz-Fahr DX 4-Reihe, Deutz-Fahr (SDF Group, Hersteller)

Technical data

Engine

Fueldieselcorrect
Power75 hp (54.9 kW)correct
Rated speed2,300 rpmcorrect
Torque266 Nmcorrect
Speed at max. torque1,503 rpmcorrect
Cylinders4correct
Displacement4,086 cm³correct
Bore100 mmcorrect
Stroke125 mmcorrect
Coolingair-cooledcorrect

Dimensions and weights

Length4,140 mmcorrect
Width2,300 mmcorrect
Height2,615 mmcorrect
Wheelbase2,400 mmcorrect
Ground clearance425 mmcorrect
Unladen weight3,920 kgcorrect

Drivetrain and chassis

Driverear- and four-wheel drivecorrect
Gearbox15V/5R or 18V/6Rcorrect
Front tyres13.6-24 AScorrect
Rear tyres18.4 R 34 AScorrect
Top speed30 km/hcorrect

Working data

Fuel tank capacity125 lcorrect

Other data

Linkage categoryCat IIcorrect

Where this model stands

Power-to-weight ratio: 14 kW/t (55 kW / 3.9 t)

Power class: Universal (40–100 hp)

Stronger than 51% 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 4.30 have?

The Deutz-Fahr DX 4.30 delivers 75 hp.

How much does the Deutz-Fahr DX 4.30 weigh?

The unladen weight is 3,920 kg.

What engine does the Deutz-Fahr DX 4.30 have?

4 cylinders, 4,086 cm³ displacement, Diesel.

How fast does the Deutz-Fahr DX 4.30 go?

Top speed is 30 km/h.

What are the dimensions of the Deutz-Fahr DX 4.30?

4,140 mm × 2,300 mm × 2,615 mm.

When was the Deutz-Fahr DX 4.30 built?

Production years: 1983–1989.

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 25 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) · Values adopted and presented in our own form; changes from the source are possible. · How we check the data

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