Deutz F1L 612
Built: 1953–1958 · Series: FL 612
More machines from model year 1953
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Deutz F1L 612: air-cooled single-cylinder diesel tractor of the FL 612 range with 763 cm³ displacement, 11 hp (8.1 kW) at 2,100 rpm and 830 kg weight
Deutz is a Cologne-based manufacturer of diesel engines and tractors, known for decades chiefly for air-cooled engines. The F1L 612 belongs to the class of small single-cylinder farm tractors built in the 1950s for smaller and medium-sized agricultural holdings, at a time when many farms were switching from draught animals to motorised tractors.
Read on 3 more paragraphs
The single-cylinder diesel engine with 763 cm³ displacement is air-cooled and produces 11 hp, or 8.1 kW, at 2,100 rpm. At a weight of 830 kg, 2,780 mm length, 1,410 mm width and 1,265 mm height, the F1L 612 ranks among the smallest and lightest tractors of its time, built for pulling power in the low output range rather than for heavy trailer loads.
With a top speed of 20 km/h, the F1L 612 falls into driving licence category L (up to 40 km/h). Air cooling dispenses with coolant, a radiator and a water pump, which keeps the engine mechanically simple and frost-proof, but it depends on good airflow across the cylinder fins. A single-cylinder engine of this size suits light field work, transport runs and stationary drive tasks via the belt pulley.
When buying a single-cylinder tractor this old, check the condition of the cooling fins on the cylinder and cylinder head, since cracks or dirt impair cooling. Also check the injection pump and injector, play in the crankshaft bearings, and the tyres, brakes and steering, as spare parts for this early Deutz range are only available to a limited extent.
Sources: SpecCodex-Register: Kennwerte des Modells Deutz F1L 612, Deutz (manufacturer)
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 11 hp (8.1 kW)correct |
| Rated speed | 2,100 rpmcorrect |
| Cylinders | 1correct |
| Displacement | 763 cm³correct |
| Cooling | air-cooledcorrect |
Dimensions and weights
| Length | 2,780 mmcorrect |
|---|---|
| Width | 1,410 mmcorrect |
| Height | 1,265 mmcorrect |
| Wheelbase | 1,800 mmcorrect |
| Ground clearance | 250 mmcorrect |
| Unladen weight | 830 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 6/3-Getriebecorrect |
| Forward gears | 6correct |
| Reverse gears | 3correct |
| Front tyres | 4, 00-16 ASFcorrect |
| Rear tyres | 7, 00-24 AScorrect |
| Top speed | 20 km/hcorrect |
Working data
| Fuel tank capacity | 20 lcorrect |
|---|
Origin and approval
| Construction | frameless unit constructioncorrect |
|---|---|
| Units built | 13,274correct |
Other data
| Linkage category | Cat Icorrect |
|---|
Where this model stands
Power-to-weight ratio: 9.8 kW/t (8 kW / 0.8 t)
Power class: Compact (< 40 hp)
Stronger than 1% 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 F1L 612 have?
The Deutz F1L 612 delivers 11 hp.
How much does the Deutz F1L 612 weigh?
The unladen weight is 830 kg.
What engine does the Deutz F1L 612 have?
1 cylinders, 763 cm³ displacement, Diesel.
How fast does the Deutz F1L 612 go?
Top speed is 20 km/h.
What are the dimensions of the Deutz F1L 612?
2,780 mm × 1,410 mm × 1,265 mm.
When was the Deutz F1L 612 built?
Production years: 1953–1958.
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 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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Sources: [1]
Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.
