Technical register for agricultural, construction and commercial machinery · sourced data
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Allis Chalmers 10-18

Built: 1914–1923 · Series: Other models

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The 10-18 comes from Allis Chalmers. Production: 1914–1923. The engine delivers 9.9 hp (7.3 kW), has 2 cylinders, with a displacement of 4,966 cm³. Rated speed is 720 rpm. The machine is 3,556 mm long, 1,778 mm wide and 1,905 mm high. The unladen weight is 2,177 kg. Top speed is 3.7 km/h. The tank holds 90 litres. Transmission: 1 V/1 R. The engine is water-cooled. Tyres: front 813 x 152, rear 1.422 x 305. The fuel is Kerosin/Benzin. The bore measures 133.35 mm. The stroke is 177.8 mm. Construction: cast-frame construction. The gearbox offers 1 forward gears. There are also 1 reverse gears. Around 189 units were built. Rated output across the Allis Chalmers range ranges from 9.2 to 117 hp; the 10-18 sits at the bottom of that range with 9.9 hp. Its immediate neighbours are the MODELL - G below it with 9.2 hp and the MODELL-B above it with 13.1 hp. Rated output across the Allis Chalmers range ranges from 9.9 to 72 hp; here the 10-18 sits at the bottom of that range with 9.9 hp. 220 Allis Chalmers models across 18 series are on record.

Allis-Chalmers – other models: the collective page of the orange tractors from Milwaukee outside the named ranges, from the 10-18 and 20-35 through the letter models B, C, WC and WD to the 100s (170 to 220)

This page gathers the Allis-Chalmers tractors the register could not assign to a named range – the brand from Milwaukee, Wisconsin, that began in 1914 with the 10-18, was the first maker to introduce pneumatic tyres on a tractor with the Model U in 1932 and created the affordable small tractor for the American family farm with the Model B of 1937, before being sold to Deutz in 1985. The type logic: the early number types 10-18, 12-20 and 20-35 give drawbar and belt power in hp; the letter models A, B, C, CA, WC and WD of the 1930s to 1950s denote model types, not size; the D series (D-10 to D-21) of the 1950s and 1960s orders in ascending order; the 100s (160 to 220) of 1964 to 1975 give roughly the hp class, XT the turbocharger; the 7000s (7010 to 7080) of the 1970s with the Acousta Cab and the 8000s (8010 to 8070) of the 1980s are the last own ranges, the 4W-220 and 4W-305 the articulated tractors, the 5000s and 6000s bought-in compacts from Toyosha and Fiat. The engines are Allis-Chalmers' own as petrol, LPG and diesel versions, Perkins in some diesel models and Toyosha in the Japanese compacts.

Read on 3 more paragraphs

The register lists here 115 versions with 6 to 305 hp from two- to eight-cylinders of 1,002 to 11,973 cm³, widths from 915 to 2,438 mm and heights from 1,191 to 3,531 mm.

From the 1930s to the 1970s Allis-Chalmers was the third big American maker after John Deere and International Harvester; the Persian Orange tractors are collectors' pieces today with their own association, and the brand lived on through Deutz-Allis and AGCO Allis until 2001.

On used tractors, originality, engine condition (carburettor on petrol engines, injection pump on diesels), clutch and transmission (Power Director on the D-17 and the 100s), hydraulics (Traction Booster) and sheet metal count; parts run through collector dealers and AGCO for the late ranges.

Sources: SpecCodex register, model data: Allis-Chalmers (weitere Modelle), Allis-Chalmers (Wikipedia)

Technical data

Engine

FuelKerosin/Benzincorrect
Power9.9 hp (7.3 kW)correct
Rated speed720 rpmcorrect
Cylinders2correct
Displacement4,966 cm³correct
Bore133.35 mmcorrect
Stroke177.8 mmcorrect
Coolingwater-cooledcorrect

Dimensions and weights

Length3,556 mmcorrect
Width1,778 mmcorrect
Height1,905 mmcorrect
Unladen weight2,177 kgcorrect

Drivetrain and chassis

Driverear-wheel drivecorrect
Gearbox1 V/1 Rcorrect
Forward gears1correct
Reverse gears1correct
Front tyres813 x 152correct
Rear tyres1.422 x 305correct
Top speed3.7 km/hcorrect

Working data

Fuel tank capacity90 lcorrect

Origin and approval

Constructioncast-frame constructioncorrect
Units built189correct

Where this model stands

Power-to-weight ratio: 3.4 kW/t (7 kW / 2.2 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 Allis Chalmers 10-18 have?

The Allis Chalmers 10-18 delivers 9.9 hp.

How much does the Allis Chalmers 10-18 weigh?

The unladen weight is 2,177 kg.

What engine does the Allis Chalmers 10-18 have?

2 cylinders, 4,966 cm³ displacement, Kerosin/Benzin.

What are the dimensions of the Allis Chalmers 10-18?

3,556 mm × 1,778 mm × 1,905 mm.

When was the Allis Chalmers 10-18 built?

Production years: 1914–1923.

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 24 individual figures for this model. They come from 2 recorded sources; 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

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