SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

Feature	Farmall HTractor	Allis Chalmers D15 Series ITractor
Tractor Type	Row-Crop Tractor	Row-Crop Tractor
Weight	1760.0 kg	1915.0 kg
Transmission Type	Sliding gear with dry disc clutch	Shuttle
Length	318.0 cm	331.0 cm
Years Made	1939-1953	1960-1968
Engine Model	International Harvester	Allis Chalmers D-175
Engine Type	4-stroke, liquid-cooled, inline	4-stroke, liquid-cooled, inline
Fuel Type	Kerosene	Diesel
Cylinders	4	4
Displacement	2492 cc	2867 cc
Bore	8.61 cm	8.99 cm
Stroke	10.79 cm	11.10 cm
Rear PTO Speed	540 RPM	540 RPM
Compression Ratio	4.5:1	15.35:1
Battery	6 V	12 V, 70Ah, one for gas/LP-gas, two for diesel
Starter	Manual or electric	Electric
Height	187.0 cm	203.0 cm
Wheelbase	224.0 cm	223.0 cm
Fuel Tank Capacity	66.0 l	59.6 l
Oil Capacity	5.7 l	4.7 l
Coolant Capacity	15.6 l	10.4 l
Transmission Oil Capacity	22.7 l	14.0 l
Gears	5 forward and 1 reverse	4 forward and 4 reverse
Chassis	4×2 2WD	4×2 2WD
Max. Travel Speed	4.4 km/h	7.5 km/h
Brakes	Mechanical contracting band	Expanding shoe
Cabin Type	Open operator station	Open operator station
Steering Type	Manual	Manual or power
Front Tires	Ag: 5.50-16, 6-16	Ag: 5.50-16
Rear Tires	Ag: 6.00-36, 8-38, 9-38, 10-38 or 51×6	Ag: 12.4-26
Horsepower	—	29.8 kW
Rear PTO Type	—	Live
Rated RPM	—	2000 RPM
Width	—	170.0 cm
Drawbar Category	—	II/I
Hitch Type	—	Snap-Coupler
Source	heavyequipments.net archive (imported 2026-10)	heavyequipments.net archive (imported 2026-10)

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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051