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

FeatureAllis Chalmers 7040TractorAllis Chalmers 190XTTractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Horsepower112.6 kW—
Weight5310.0 kg5125.0 kg
Transmission TypePartial power shiftTwo-speed power shift
Length440.0 cm—
Pump Flow83.3 LPM45.4 LPM
Years Made1975-19771964-1971
Engine ModelAllis Chalmers 3500 Mark IIAllis-Chalmers 2900
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement6980 cc4933 cc
Bore10.79 cm9.80 cm
Stroke12.70 cm10.79 cm
Rear PTO TypeIndependentLive
Rear PTO Speed540 /1.000 or 1.000 RPM540; 1000 RPM
Rated RPM2300 RPM—
Compression Ratio16.0:116.2:1
Battery12 V12 V 53A for gas , 190A for diesel
StarterElectricElectric
Height294.0 cm—
Width242.0 cm—
Wheelbase269.0 cm266.0 cm
Fuel Tank Capacity193.0 l182.0 l
Oil Capacity18.0 l11.5 l
Coolant Capacity29.3 l17.0 l
Hydraulic Capacity91.2 l34.1 l
Transmission ModelPower ShiftAllis-Chalmers Power Director
Gears12 forward and 2 reverse8 forward and 2 reverse
Chassis4×2 2WD4×2 2WD
Max. Travel Speed12.9 km/h6.3 km/h
BrakesDifferential hydraulic wet discsDifferential band actuated disc
Differential LockPower—
Drawbar CategoryIII/IIII
Cabin TypeAcousta-CabOpen operator station
Steering TypeHydrostatic powerHydraulic power assist
Front TiresAg: 11.00-16Ag: 7.50-16
Rear TiresAg: 18.4-38Ag: 18.4-34
Hydraulic TypeClosed centerOpen center
Total Flow170.3 LPM—
Valves2 or 3—
Transmission Oil Capacity—30.3 l
Steering Flow—45.4 LPM
Working Pressure—137.9 bar
Sourceheavyequipments.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