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

FeatureFord 8630TractorJohn Deere 6615Tractor
Tractor TypeRow-Crop TractorUtility Tractor
Horsepower90.2 kW85.8 kW
Weight6330.0 kg4650.0 kg
Transmission TypeConstant meshFour-speed power shift with wet disc clutch
Length436.0 cm450.0 cm
Pump Flow108.3 LPM66.2 LPM
Years Made1990-19932003-2007
Engine ModelFordJohn Deere 6068
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeGasolineDiesel
Cylinders56
Displacement6571 cc6784 cc
Bore11.20 cm10.59 cm
Stroke11.20 cm12.70 cm
Rear PTO TypeIndependentIndependent with electro-hydraulic wet disc clutch
Rear PTO Speed540 /1000 RPM540 /1000 RPM
Rated RPM2200 RPM2300 RPM
Compression Ratio15.6:117.0:1
Battery12 V12 V, CCA 1230A
StarterElectricElectric
Height289.0 cm273.0 cm
Wheelbase266.0 cm264.0 cm
Ground Clearance41.0 cm—
Fuel Tank Capacity125.0 l207.0 l
Oil Capacity18.5 l20.1 l
Coolant Capacity22.3 l15.5 l
Transmission Oil Capacity82.6 l—
Gears8 forward and 2 reverse16 forward and 16 reverse
Chassis4×2 2WD or 4×4 MFWD 4WD4×2 2WD or 4×4 MFWD 4WD
Max. Travel Speed12.0 km/h36.8 km/h
BrakesPower discHydraulic wet disc
Drawbar CategoryIII/IIII
Cabin TypeOpen operator station with ROPS or CabTwo-post foldable ROPS or ComfortVantage Cab
Hitch TypePosition and draft controlElectro-hydraulic lower-link draft sensing
Steering TypePowerHydrostatic power
Front TiresAg: 11.00-16 , 14.9/13-28Ag: 10.00-16 , 12.4-24
Rear TiresAg: 18.4/15-38Ag: 18.4-38
Hydraulic TypeOpen centerConstant-flow load-sensing
SCV Flow71.9 LPM—
Hydraulic Pressure172.4 bar—
Lift Capacity—2685.0 kg
Transmission Model—PowrQuad
Differential Lock—Electro-hydraulic rear
Valves—1 to 4
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