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

FeatureAllis Chalmers 7040TractorFiat F140Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Horsepower112.6 kW104.4 kW
Weight5310.0 kg5300.0 kg
Transmission TypePartial power shiftHi-Lo with hydraulic cerametallic dry disc clutch
Length440.0 cm465.0 cm
Pump Flow83.3 LPM54.9 LPM
Years Made1975-19771993-1996
Engine ModelAllis Chalmers 3500 Mark IIIveco 8065.25
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement6980 cc5861 cc
Bore10.79 cm10.39 cm
Stroke12.70 cm11.51 cm
Rear PTO TypeIndependentIndependent with electro-hydraulic clutch
Rear PTO Speed540 /1.000 or 1.000 RPM540 /1000 or 540/750/1000
Rated RPM2300 RPM2250 RPM
Compression Ratio16.0:1—
Battery12 V—
StarterElectricElectric
Height294.0 cm280.0 cm
Width242.0 cm—
Wheelbase269.0 cm278.0 cm
Fuel Tank Capacity193.0 l220.0 l
Oil Capacity18.0 l—
Coolant Capacity29.3 l—
Hydraulic Capacity91.2 l—
Transmission ModelPower Shift—
Gears12 forward and 2 reverse24 forward and 12 reverse
Chassis4×2 2WD4×4 MFWD 4WD
Max. Travel Speed12.9 km/h—
BrakesDifferential hydraulic wet discsWet disc
Differential LockPower—
Drawbar CategoryIII/IIIII/II
Cabin TypeAcousta-CabCab
Steering TypeHydrostatic powerHydrostatic power
Front TiresAg: 11.00-16Ag: 16.9-28Ag: 420/70R28, 480/70R28
Rear TiresAg: 18.4-38Ag: 20.8-38Ag: 520/70R38, 580/70R38
Hydraulic TypeClosed center—
Total Flow170.3 LPM—
Valves2 or 3—
Lift Capacity—6570.0 kg
Hitch Type—Position control and lower-link draft sensing
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