Deutz F2L 612/4,5,6
Built: 1956–1958 · Series: 612
More machines from model year 1956
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Deutz 612 – F2L 612/4,5,6 and F2L 612/5: air-cooled two-cylinder tractors from the Cologne Deutz plant, 13.2 to 18 kW, 1,526 cc displacement and 1,320 to 1,370 kg
The 612 range carries the engine designation F2L 612, following Deutz's nomenclature of the 1950s and 1960s: F stands for the four-stroke engine, the digit 2 for the cylinder count, and L for air cooling, which Deutz fitted to its small and medium tractors of the period. These engines were built at the Deutz plant in Cologne, before the agricultural machinery division merged with Fahr AG in 1968.
Read on 3 more paragraphs
The register lists 2 variants with 13.2 to 18 kW of power from two-cylinder engines of 1,526 cc displacement at a rated speed of 1,850 to 2,300 rpm. Unladen weights fall between 1,320 and 1,370 kg, with dimensions of 2,720 mm in length, 1,590 to 1,600 mm in width and 1,530 mm in height.
With its small, air-cooled two-cylinder engine, the 612 range formed the entry segment of the Deutz line-up of the time and served small farms as an economical, low-maintenance field tractor, competing with comparable small tractors from Eicher and Fahr.
When buying used, air cooling is the central checkpoint: the cooling fan, cylinder fins and oil cooler should be free of dirt and damage, since these engines, lacking water cooling, depend heavily on unobstructed airflow. The mechanical injection pump should be checked for even delivery, and the chassis for steering wear. Parts for these classics are supplied by specialist Deutz vintage tractor dealers.
Sources: SpecCodex register, model data: Deutz 612, Deutz-Fahr (SAME Deutz-Fahr Group, Hersteller)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 18 hp (13.2 kW)correct |
| Rated speed | 1,850 rpmcorrect |
| Cylinders | 2correct |
| Displacement | 1,526 cm³correct |
| Bore | 90 mmcorrect |
| Stroke | 120 mmcorrect |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Length | 2,720 mmcorrect |
|---|---|
| Width | 1,590 mmcorrect |
| Height | 1,530 mmcorrect |
| Wheelbase | 1,780 mmcorrect |
| Ground clearance | 360 mmcorrect |
| Unladen weight | 1,320 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 5V / 1Rcorrect |
| Front tyres | 5.00-16 ASFcorrect |
| Rear tyres | 10-28 AScorrect |
| Top speed | 20 km/hcorrect |
Where this model stands
Power-to-weight ratio: 10 kW/t (13 kW / 1.3 t)
Power class: Compact (< 40 hp)
Stronger than 6% 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 F2L 612/4,5,6 have?
The Deutz F2L 612/4,5,6 delivers 18 hp.
How much does the Deutz F2L 612/4,5,6 weigh?
The unladen weight is 1,320 kg.
What engine does the Deutz F2L 612/4,5,6 have?
2 cylinders, 1,526 cm³ displacement, Diesel.
How fast does the Deutz F2L 612/4,5,6 go?
Top speed is 20 km/h.
What are the dimensions of the Deutz F2L 612/4,5,6?
2,720 mm × 1,590 mm × 1,530 mm.
When was the Deutz F2L 612/4,5,6 built?
Production years: 1956–1958.
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 20 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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Sources: Wikibooks Traktorenlexikon (CC BY-SA 4.0) (retrieved August 2026) · How we check the data
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