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

FeatureJohn Deere 4455TractorJCB Fastrac 185Tractor
Tractor TypeRow-Crop TractorFarm Tractor
Horsepower140.0 kW140.3 kW
Weight6415.0 kg6500.0 kg
Lift Capacity2495.0 kg3000.0 kg
Transmission TypeFull power shift with hydraulic wet disc clutchSynchromesh
Length402.0 cm576.0 cm
Pump Flow100.3 LPM76.8 LPM
Years Made1988-19921994-1997
Engine ModelJohn DeereCummins 6 BTA
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement7636 cc5879 cc
Bore11.61 cm10.21 cm
Stroke12.09 cm11.99 cm
Rear PTO TypeIndependent with hydraulic clutchIndependent with electro-hydraulic clutch
Rear PTO Speed540 /1.000 RPM540 /1.000 RPM
Compression Ratio16.0:1—
BatteryTwo 12V, CCA: 925ATwo 12V
StarterElectricElectric
Height295.0 cm297.0 cm
Wheelbase267.0 cm299.0 cm
Fuel Tank Capacity246.0 l280.0 l
Oil Capacity18.0 l—
Coolant Capacity25.6 l—
Transmission Oil Capacity60.0 l—
Transmission ModelJohn Deere Power Shift—
Final DriveInboard planetary—
Gears15 forward and 4 reverse36 forward and 12 reverse
Chassis4×2 2WD or 4×4 MFWD 4WD4×4 4WD
Max. Travel Speed10.6 km/h—
BrakesDifferential hydraulic wet discPneumatic dry disc
Drawbar CategoryIIIN/IIII
Cabin TypeSound Guard cabCab with air conditioning
Steering TypePowerPower assist
Front TiresAg: 2WD: 10.00-16, 4WD: 14.9-26Ag: 520/70R30
Rear TiresAg: 18.4-38Ag: 520/70R30
Hydraulic TypeClosed center—
Working Pressure174.4 bar209.9 bar
Valves2 or 32
Front PTO Type—Independent
Front PTO Speed—540 /1.000 RPM
Torque Power—1400 RPM
Torque Speed—750.0 N·m
Rated RPM—2400 RPM
Ground Clearance—40.0 cm
Hydraulic Capacity—60.0 l
Hitch Type—Electronic draft control
Total Flow—78.7 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