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

FeatureKubota M125XTractorAllis Chalmers D21Tractor
Tractor TypeUtility TractorRow-Crop Tractor
Horsepower93.3 kW90.2 kW
Weight4390.0 kg4310.0 kg
Lift Capacity2635.0 kg—
Transmission TypePartial power shift with electro-hydraulic wet disc clutchSliding gear with dry disc clutch
Length436.0 cm407.0 cm
Pump Flow75.7 LPM—
Years Made2005-20081965-1969
Engine ModelKubota F5802TE2Allis Chalmers 3500
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders56
Displacement5834 cc6980 cc
Bore10.90 cm10.79 cm
Stroke12.50 cm12.70 cm
Rear PTO TypeIndependentIndependent
Rear PTO Speed540 /1.000 RPM1.000 RPM
Rated RPM2400 RPM2200 RPM
Battery12 V, CCA: 1045ATwo or four 12V, 95Ah
StarterElectricElectric
Height272.0 cm270.0 cm
Width212.0 cm232.0 cm
Wheelbase268.0 cm244.0 cm
Ground Clearance61.0 cm—
Fuel Tank Capacity190.0 l196.8 l
Oil Capacity20.8 l14.2 l
Coolant Capacity13.6 l29.3 l
Transmission Oil Capacity57.7 l64.4 l
Hydraulic Capacity57.7 l—
Transmission ModelIntelli-ShiftPower Director
Gears16 forward and 16 reverse8 forward and 2 reverse
Chassis4×4 MFWD 4WD4×2 2WD
BrakesHydraulic wet discBand actuated disc
Differential LockElectro-hydraulic front and rear—
Drawbar CategoryIIIII/II
Cabin TypeCab with heat and air-conditioningOpen operator station
Steering TypeHydrostatic powerPower
Front TiresAg: 14.9R24Ag: 7.50×20
Rear TiresAg: 18.4R38Ag: 18.4×34
Hydraulic TypeOpen center—
Total Flow135.5 LPM—
Steering Flow59.8 LPM—
Valves2 to 4—
Compression Ratio—16.0:1
Max. Travel Speed—11.0 km/h
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