John Deere 4120 Specs, Weight, Engine, Parts, Attachments, Data, HP, Price and Problems

John Deere 4120 tractor is a popular choice for farmers and ranchers. It features a powerful engine and a variety of attachments that make it versatile for many tasks. The tractor is also comfortable to operate, making it an ideal choice for long hours of work.

John Deere 4120 Specifications:

MANUFACTURER:john deere
MODEL:4120
Width65.6 in. or 166 cm (R1 tires) to 91.9 (R4 tires)
Wheelbase71.5 in
Weight3700 lbs or 1678 kg
Length325 cm
Height (hood):62 in. or 157 cm
Height97.2 in. or 246 cm
Engine typeFour-stroke, liquid-cooled, inline
Engine modelJohn Deere 4024T
Drawbar capacity:1,103 lbs or 500 kg
Cylinders4
Compression ratio20.0:1
Company countryUnited states
Bore and stroke86.0 mm X 105.0 mm / 3.39 in X 4.13 in
AG rear tires13.6-28
AG front tires8.00-16
Compression:20:01
Coolant capacity:6.4 qts (6.1 L)
Displacement2.4 L, 2,440 cm2, (148.9 cu·in)
Fuel typeDiesel
Horsepower43 PS (31.6 kW; 42.4 HP) at 2,400 rpm
Oil capacity:7.9 qts (7.5 L)
Power:43.1 hp [32.1 kW]
Rated RPM:2400
StarterElectric
Starter power:2.9 hp (2.2 kW)
Starter volts:12
Torque148.0 N·m (15.1 kg·m, 109.1 ft·lb) at 1,440 rpm
Number of cylinders4 cylinders
Oil tank capacity7.9 qts or 7.5 L
Power RPM2400 (rpm)
Production yearsFrom 2004 Until 2014
Tractor typeCompact Utility tractor
Fuel tank capacity14.5 gal or 54.9 L
Engine torque RPM
Engine torque
Engine size – Displacement – Engine capacity148.9 ci
Engine size148.9 ci or 2.4 L
Engine CodeJohn Deere
Coolant tank capacity6.4 qts or 6.1 L
Bore stroke3.386×4.134 in. or (86 x 105 mm)
Transmission Typehydrostatic eHydro
Transmission Clutch
Engine Air Filter / Cleaner
Engine Cooling Typeliquid-cooled
Final drivePlanetary gear
Maximum power – Output – Horsepower43.1 hp @ 2400 rpm
Steering typePower
Transmission / Gearbox gearsinfinite forward and reverse
Drive wheels – Traction – Drivetrain4×4 MFWD 4WD
Differential lockMechanical
Chassis4×4 MFWD 4WD
BrakesWet disc
Bore x Stroke3.386×4.134
Capacity:10.3 gal (39.0 L)
Front PTO system
GearsInfinite forward and reverse
Hydraulics Type:open center
Pressure:2500 psi (172.4 bar)
PTO claimed power35 hp or 26.1 kW
PTO clutch system
Pump flow:12 gpm (45.4 lpm)
Rear PTO RPM540 (rpm)
SpeedForward: 27.2 kmh (16.9 mph)
Steering flow:5.1 gpm (19.3 lpm)
Total flow:17.1 gpm (64.7 lpm)
Groundnegative
Mid PTO RPM2100 (rpm)
Mid PTO systemindependent
Number of batteries1
PTO fuel consumption
Transmission modeleHydro
Transmission oil capacity36.1 L (9.6 US. gal, 8 Imp. gal.)
Engine Starter – voltage12 v
Charging Systemalternator
Charging Amperage75 A
Battery – voltage12 volts
Battery – Cold Cranking Amperage770 A
Battery – Group

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John Deere 4120 is a reliable tractor that can handle most tasks you may need it to do. Its powerful engine and adjustable transmission make it easy to maneuver, while its large tires and low weight keep it stable on the ground. If you’re looking for a reliable tractor that will get the job done, the John Deere 4120 should be at the top of your list.

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