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

FeatureInternational Harvester 1586TractorJCB Fastrac 155Tractor
Tractor TypeRow-Crop TractorFarm Tractor
Horsepower119.3 kW125.3 kW
Weight6860.0 kg6520.0 kg
Transmission TypePartial power shiftSynchromesh
Length429.0 cm576.0 cm
Pump Flow45.4 LPM60.0 LPM
Years Made1976-19811993-1997
Engine ModelInternational Harvester DT436Perkins 1000-6 T4
Engine Type4-stroke, liquid-cooled, inline4-stroke, liquid-cooled, inline
Fuel TypeDieselDiesel
Cylinders66
Displacement7145 cc5984 cc
Bore10.90 cm10.01 cm
Stroke12.70 cm12.70 cm
Rear PTO TypeIndependentIndependent with electro-hydraulic clutch
Rear PTO Speed1.000 RPM540 /1.000, 1.000 RPM
Rated RPM2500 RPM2400 RPM
BatteryTwo 12V CCA 480Two 12V
StarterElectricElectric
Height294.0 cm289.0 cm
Wheelbase266.0 cm300.0 cm
Ground Clearance35.0 cm48.0 cm
Fuel Tank Capacity83.3 l280.0 l
Oil Capacity18.9 l—
Coolant Capacity25.6 l—
Transmission Oil Capacity102.2 l—
Hydraulic Capacity102.2 l76.8 l
Transmission ModelTorque Amplifier—
Gears12 forward and 6 reverse36 forward and 12 reverse
Chassis4×2 2WD or 4×4 MFWD 4WD4×4 4WD
Max. Travel Speed15.1 km/h—
BrakesHydraulic discPneumatic dry disc
Drawbar CategoryIIIII
Cabin TypeCabCab standard with air conditioning
Steering TypePower assistPower assist
Front TiresAg: 11.00-16Ag: 480/70R30
Rear TiresAg: 20.8-38Ag: 480/70R30
Hydraulic TypeOpen center—
Valves22
Lift Capacity—3000.0 kg
Front PTO Type—Independent
Front PTO Speed—540 /1.000, 1.000 RPM
Torque Power—1400 RPM
Torque Speed—602.0 N·m
Differential Lock—Electro-hydraulic rear
Hitch Type—Electronic draft control
Working Pressure—209.9 bar
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