McCormick DED 3
Built: 2/1953–1956 · Series: FARMALL D-LINIE
More machines from model year 1953
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McCormick Farmall D line – the DED 3, DGD 4 and DLD 2 models built at the Neuss plant with two- to four-cylinder diesel engines, 10.3 to 22.1 kW and 1.1 to 2.2 litres of displacement
The Farmall D line was launched in the 1950s at the International Harvester plant in Neuss on the Rhine and comprises the DED 3, DGD 4 and DLD 2 models. The designation follows a letter scheme from the IHC system: D stands for the diesel version, the second and third positions for build size and equipment, and the final digit for the cylinder count.
Read on 3 more paragraphs
The register lists 3 versions with 10.3 to 22.1 kW (14 to 30 hp) from two- to four-cylinders of 1,088 to 2,178 cc displacement at rated speeds between 1,750 and 1,800 rpm. Maximum torque ranges from 58 to 123 Nm. Operating weight ranges from 820 to 1,730 kg, length from 2,461 to 2,834 mm, width from 1,540 to 1,630 mm and height from 1,550 to 1,585 mm. All three models run on diesel.
With the D line, International Harvester set up its post-war European diesel programme for small and medium-sized farms, built specifically for the European market at the Rhineland plant in Neuss rather than imported from the US. The span from two- to four-cylinders thereby covered different farm sizes within a single shared range.
On a used purchase of these historic diesel tractors, points to check include the condition of the injection pump and nozzles, the tightness of the radiator and water pump, wear on the clutch and gearbox, and corrosion on the chassis and sheet-metal parts. Spare parts for the D line are found through vintage dealers specialising in International Harvester.
Sources: SpecCodex register, model data: McCormick Farmall D-Linie
Technical data
Engine
| Fuel | dieselcorrect |
|---|---|
| Power | 20 hp (14.7 kW)correct |
| Rated speed | 1,750 rpmcorrect |
| Torque | 81 Nmcorrect |
| Cylinders | 3correct |
| Displacement | 1,631 cm³correct |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 2,732 mmcorrect |
|---|---|
| Width | 1,630 mmcorrect |
| Height | 1,585 mmcorrect |
| Wheelbase | 1,676 mmcorrect |
| Ground clearance | 395 mmcorrect |
| Unladen weight | 1,230 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 5 V/1 R or 6 V/1 Rcorrect |
| Front tyres | 4.00-19 ASFcorrect |
| Rear tyres | 8-32 AScorrect |
| Top speed | 21 km/hcorrect |
Origin and approval
| Construction | unit construction (no separate frame)correct |
|---|---|
| Units built | 8,652correct |
Other data
| Linkage category | Cat Icorrect |
|---|
Where this model stands
Power-to-weight ratio: 12 kW/t (15 kW / 1.2 t)
Power class: Compact (< 40 hp)
Stronger than 7% 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 DED 3 have?
The McCormick DED 3 delivers 20 hp.
How much does the McCormick DED 3 weigh?
The unladen weight is 1,230 kg.
What engine does the McCormick DED 3 have?
3 cylinders, 1,631 cm³ displacement, Diesel.
How fast does the McCormick DED 3 go?
Top speed is 21 km/h.
What are the dimensions of the McCormick DED 3?
2,732 mm × 1,630 mm × 1,585 mm.
When was the McCormick DED 3 built?
Production years: 2/1953–1956.
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 23 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
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Tractor in 3D section
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