John Deere

John Deere 6425

The John Deere 6425 is a utility tractor built in Mannheim, Baden-Württemberg, Germany. It belongs to the 6025 Series and features a 4.5L 4-cylinder turbocharged intercooled diesel engine with electronic fuel injection and viscous fan cooling. The tractor offers 110 hp net rated power and up to 120 hp maximum gross power. Transmission options include a 12-speed synchronized John Deere SyncroPlus and a 16-speed power shuttle John Deere PowrReverser. It has a 4x2 2WD drive with optional 4x4 MFWD 4WD, hydrostatic power steering, and hydraulic wet disc brakes. The tractor is equipped with an open center gear pump hydraulic system, a rear 2/1 tractor hitch with load and depth control, and an independent rear PTO with 540/1000 rpm options. Dimensions include a 94.5 inch wheelbase, 168.2 inch length, and 108.9 inch height with ROPS. Standard tires are 7.50R18 front and 18.4R30 rear for 2WD, with optional 13.6R24 front tires for 4WD. Electrical system features a 12 volt battery and 90 amp alternator.

Power114 hp

Foundedunknown

Model6425

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Technical Specifications

Detailed specifications and technical data for John Deere 6425

Power

Engine (max)	120 hp (89.5 kW)
Engine (net)	110 hp (82.0 kW)
PTO (claimed)	98 hp (73.1 kW)
Engine (gross)	114 hp (85.0 kW)

Tires

Optional tires	Front: 13.6R24. Rear: 18.4R30 (4WD)
Standard tires (ag)	Front: 7.50R18. Rear: 18.4R30 (2WD)

Engine

Type	turbocharged intercooled diesel
Model	John Deere 4045HL
Torque	352 lb-ft (477.3 Nm)
Cooling	liquid-cooled
Starter	electric
Idle RPM	850-2460
Cylinders	4-cylinder
Emissions	Stage III
Fuel tank	43.6 gal (165.0 L)
Rated RPM	2300
Torque RPM	1600
Bore/Stroke	4.19x5.00 inches (106 x 127 mm)
Fuel system	electronic fuel injection
Displacement	276 ci (4.5 L)
Firing order	1-3-4-2
Oil capacity	16.9 qts (16.0 L)
Operating RPM	1500-2300
Starter volts	12
Cooling system	viscous fan
Coolant capacity	28 qts (26.5 L)
Rated Power (net)	110 hp (82.0 kW)
Maximum Power (net)	115 hp (85.8 kW)
Rated Power (gross)	114 hp (85.0 kW)
Maximum Power (gross)	120 hp (89.5 kW)

Dimensions

Width	87.2 inches (221 cm)
Length	168.2 inches (427 cm)
Wheelbase	94.5 inches (240 cm)
Max weight	15,430 lbs (6999 kg)
Height (ROPS)	108.9 inches (276 cm)
Shipping weight	8,333 lbs (3779 kg)
Clearance (rear axle)	63.5,63.9,66.2,67.4,71.5,72.7,72.7,73.9,75.4 inches (161 cm)

Electrical

Ground	negative
Battery AH	110
Battery volts	12
Charging amps	90
Charging system	alternator

Hydraulics

Type	open center gear pump
Pressure	2538 psi (175.0 bar)
Pump flow	14.27 gpm (54.0 lpm)

Mechanical

ROPS	Two-post foldable ROPS
Drive	4x2 2WD, 4x4 MFWD 4WD (optional)
Brakes	Hydraulic wet disc brakes
Steering	hydrostatic power

Production

Type	Utility tractor
Built in	Mannheim, Baden-Württemberg, Germany
Manufacturer	John Deere

Transmission

Transmission options	12-speed synchronized, 16-speed power shuttle
John Deere SyncroPlus	Typesynchronized Gears12 forward and 4 reverse Clutchwet 225mm disc PermaClutch II DescriptionThree gears (1-3) plus reverse (R) in four ranges (A-D). Oil capacity58.1 qts (55.0 L)
John Deere PowrReverser	Typepower shuttle Gears16 forward and reverse Clutchwet 225mm disc PermaClutch II DescriptionFour gears (1-4) in four ranges (A-D) with left-hand reverser lever. 30 KPH and 40 KPH maximum speed options available. Oil capacity58.1 qts (55.0 L)