IH Mccormick Deering 15-30
Built: 1921–1929 · Series: Other models
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IH McCormick-Deering – other models: collective page of Chicago-built tractors outside the named ranges, the 15-30 and its 22-36 variant, 22.1 to 26.5 kW, 6,255 to 6,969 cm³, kerosene and petrol operation
This page gathers McCormick-Deering tractors the register could not assign to a named range, including the 15-30 and its variant 15-30 (22-36). McCormick-Deering was, from 1923, the tractor name of International Harvester, formed in 1902 in Chicago from the merger of the McCormick Harvesting Machine Company and the Deering Harvester Company. The number designation 15-30 follows the era’s common practice of stating drawbar power against belt-pulley power, here 15 against 30 hp; the 22-36 variant gives the correspondingly higher figures. The engines ran on kerosene or petrol.
Read on 3 more paragraphs
The register lists here 2 versions with 22.1 to 26.5 kW from four-cylinder engines of 6,255 to 6,969 cm³, unladen weights of 2,631 to 2,966 kg, a length of 3,480 mm, a width of 1,651 mm and a height of 1,778 mm at rated speeds of 1,000 to 1,050 rpm.
The 15-30 was among the most widely built all-purpose tractors in the United States during the 1920s and helped spread the power take-off as a drive for stationary and towed equipment, an area in which International Harvester was a driving force behind standardisation at the time.
When buying used examples of such pre-war models, check the condition of cylinder head and pistons after kerosene operation, the magneto ignition, the cooling water system and the state of the steel wheels or a later rubber-tyre conversion; parts today run exclusively through specialist collectors and reproduction parts for classic tractors.
Sources: SpecCodex register, model data: IH McCormick-Deering (weitere Modelle)
Technical data
Engine
| Fuel | Kerosin/Benzincorrect |
|---|---|
| Power | 30 hp (22.1 kW)correct |
| Rated speed | 1.000/1.050 rpmcorrect |
| Cylinders | 4correct |
| Displacement | 6,255 cm³correct |
| Bore | 114.3 mmcorrect |
| Stroke | 152.4 mmcorrect |
| Cooling | water-cooledcorrect |
Dimensions and weights
| Length | 3,480 mmcorrect |
|---|---|
| Width | 1,651 mmcorrect |
| Height | 1,778 mmcorrect |
| Wheelbase | 2,159 mmcorrect |
| Unladen weight | 2,631 kgcorrect |
Drivetrain and chassis
| Drive | rear-wheel drivecorrect |
|---|---|
| Gearbox | 3 V/1 Rcorrect |
| Front tyres | 34 x 6correct |
| Rear tyres | 50 x 12correct |
| Top speed | 7 km/hcorrect |
Origin and approval
| Construction | frame constructioncorrect |
|---|---|
| Units built | 128,125correct |
Where this model stands
Power-to-weight ratio: 8.4 kW/t (22 kW / 2.6 t)
Power class: Compact (< 40 hp)
Stronger than 17% 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 IH Mccormick Deering 15-30 have?
The IH Mccormick Deering 15-30 delivers 30 hp.
How much does the IH Mccormick Deering 15-30 weigh?
The unladen weight is 2,631 kg.
What engine does the IH Mccormick Deering 15-30 have?
4 cylinders, 6,255 cm³ displacement, Kerosin/Benzin.
How fast does the IH Mccormick Deering 15-30 go?
Top speed is 7 km/h.
What are the dimensions of the IH Mccormick Deering 15-30?
3,480 mm × 1,651 mm × 1,778 mm.
When was the IH Mccormick Deering 15-30 built?
Production years: 1921–1929.
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 21 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
Tractor in 3D section
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