Mccormick Deering DF 25 (A/T)
Built: 11/1950–1953 · Series: F-Reihe
More machines from model year 1950
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McCormick-Deering F series – early standard tractors from International Harvester: DF 25, FG, FG D-2 and FS with two- to four-cylinder engines, 15 to 18 kW and diesel or petrol/kerosene power
The McCormick-Deering F series denotes early standard tractors under the McCormick-Deering brand, under which International Harvester sold its agricultural machinery in the first half of the 20th century. International Harvester was formed in 1902 from the merger of the McCormick Harvesting Machine Company with the Deering Harvester Company and other farm equipment makers; the double name remained in use as a tractor and harvester brand for decades. The four models DF 25 (A/T), FG, FG D-2 and FS differ in engine and fuel type: two of the four versions run on diesel, two on kerosene or petrol, reflecting the era's common practice of offering the same tractor type with different engine variants.
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The register lists 4 versions with 14.6 to 18.3 kW from two- to four-cylinder engines with 2,043 to 2,356 cm³ displacement. Unladen weights range from 1,700 to 1,970 kg, lengths from 3,040 to 3,180 mm, widths from 1,640 to 2,000 mm, and heights from 1,470 to 1,720 mm.
As standard tractors with a rigid frame and equal track width, the F series targeted farms that primarily needed draft power for tillage and belt work, unlike the narrower row-crop tractors of the same era. The choice between a diesel and a kerosene/petrol engine let farms match the tractor to locally available fuel.
On these historic tractors, the condition of the cylinder head and cooling system, the tightness of the fuel system depending on engine variant, wear on steering and clutch, and the condition of sheet metal and paintwork all matter. Spare parts for this vintage today come mainly from specialist vintage-tractor parts dealers and reproduction parts.
Sources: SpecCodex register, model data: McCormick-Deering F-Reihe
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 25 hp (18.3 kW)correct |
| Rated speed | 1,800 rpmcorrect |
| Torque | 120 Nmcorrect |
| Speed at max. torque | 900 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 2,043 cm³correct |
| Bore | 80 mmcorrect |
| Stroke | 101.6 mmcorrect |
| Injection pressure | 150 barcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,180 mmcorrect |
|---|---|
| Width | 1,640 mmcorrect |
| Height | 1,600 mmcorrect |
| Wheelbase | 1,990 mmcorrect |
| Ground clearance | 280 mmcorrect |
| Unladen weight | 1,700 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 4 V/1 Rcorrect |
| Front tyres | 5.00-16correct |
| Rear tyres | 11.25-24correct |
| Top speed | 15 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|---|
| Units built | 3,555correct |
Where this model stands
Power-to-weight ratio: 10.8 kW/t (18 kW / 1.7 t)
Power class: Compact (< 40 hp)
Stronger than 12% 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 Mccormick Deering DF 25 (A/T) have?
The Mccormick Deering DF 25 (A/T) delivers 25 hp.
How much does the Mccormick Deering DF 25 (A/T) weigh?
The unladen weight is 1,700 kg.
What engine does the Mccormick Deering DF 25 (A/T) have?
4 cylinders, 2,043 cm³ displacement, Diesel.
How fast does the Mccormick Deering DF 25 (A/T) go?
Top speed is 15 km/h.
What are the dimensions of the Mccormick Deering DF 25 (A/T)?
3,180 mm × 1,640 mm × 1,600 mm.
When was the Mccormick Deering DF 25 (A/T) built?
Production years: 11/1950–1953.
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) · How we check the data
Tractor in 3D section
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