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

FeatureJohn Deere 7630TractorAllis Chalmers 8070Tractor
Tractor TypeRow-Crop TractorRow-Crop Tractor
Horsepower130.6 kW126.8 kW
Weight7770.0 kg7850.0 kg
Lift Capacity6350.0 kg3720.0 kg
Transmission TypeInfinite forward and reversePower shift
Length571.0 cm474.0 cm
Years Made2007-20111982-1985
Engine ModelJohn DeereAllis Chalmers 670I
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement6784 cc6980 cc
Bore10.59 cm10.79 cm
Stroke12.70 cm12.70 cm
Rear PTO TypeIndependent with hydraulic wet disc clutchIndependent
Rear PTO Speed540 /10001.000 RPM
Rated RPM2100 RPM2400 RPM
Compression Ratio17.0:115.5:1
BatteryTwo 12V, CCA 925A12 V
StarterElectricElectric
Height307.0 cm294.0 cm
Wheelbase286.0 cm—
Ground Clearance63.0 cm—
Fuel Tank Capacity390.0 l227.0 l
Oil Capacity26.0 l21.0 l
Hydraulic Capacity107.9 l—
Transmission ModelInfinitely Variable Transmission—
Chassis4×2 2WD or 4×4 MFWD 4WD4×2 2WD or 4×4 MFWD 4WD
Max. Travel Speed43.5 km/h11.4 km/h
BrakesHydraulic wet discDifferential hydraulic wet discs
Drawbar CategoryIIIIII/II
Cabin TypeCab standard with air-conditioningAcousta-Cab with heat and air-conditioning
Steering TypePowerHydrostatic power
Front TiresAg: 11.00-16 , 480/80R42Ag: 10.00-16 , 13.6-28
Rear TiresAg: 420/85R28 , 480/80R42Ag: 18.4-38
Hydraulic TypeClosed center load-sensingClosed-center load-sensitive
Total Flow170.3 LPM170.3 LPM
SCV Flow113.6 LPM—
Working Pressure199.9 bar—
Valves2 to 72 or 3
Pump Flow—51.1 LPM
Width—303.0 cm
Coolant Capacity—34.0 l
Transmission Oil Capacity—28.0 l
Gears—12 forward and 2 reverse
Differential Lock—Foot-button
Steering Flow—36.0 LPM
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