The John Deere 7425 tractor is powered by a John Deere 6.8L 6-cyl diesel engine that provides 138hp / 102.9kW of horsepower and torque. It has a 4x2 2WD/4x4 MFWD 4WD drive configuration and a four-speed power shift transmission.

Engine

The engine is a John Deere PE6068 diesel 6-cylinder liquid-cooled with a displacement of 414ci / 6.8L and a bore/stroke of 4.19x5.00inches / 106x 127mm. It has a power output of 138hp / 102.9kW and a compression ratio of 16.9:1. The engine is rated at 2100 RPM and has an idle RPM range of 850-2250. The oil capacity is 20.6qts / 19.5L and the coolant capacity is 21.1qts / 20.0L. The engine has an electric starter with 12 volts and 4 hp /3.0 kW starter power.


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Transmission

The transmission is a PowrQuad type with four-speed power shift and 16 forward and reverse gears. It has a hydraulic wet disc clutch and four power shift speeds (1-4) in four ranges (A-D) with power shuttle. The engine has a power take-off (PTO) output of 123hp / 91.7kW.

Brakes

The brakes are not specified in the data. However, based on the model type, the John Deere 7425 is equipped with hydraulic wet disc brakes. These brakes are known for their durability and reliability. They provide excellent stopping power and are easy to maintain. The hydraulic system ensures consistent braking performance even in adverse conditions.



Steering

The steering is power-assisted and uses a John Deere 6.8L 6-cylinder diesel engine. The fuel tank has a capacity of 54.7gal / 207.0L. The power-assisted steering provides excellent maneuverability and reduces operator fatigue. The steering system is easy to maintain and provides precise control over the tractor.


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Common Problems

Some common problems reported by users of the John Deere 7425 include issues with the transmission, particularly with the four-speed power shift. Some users have reported problems with the hydraulic system, including leaks and reduced performance. Other common issues include problems with the electrical system and the cooling system. However, these problems are relatively rare and can be easily addressed with proper maintenance and repair.

What Users Like

Users of the John Deere 7425 appreciate the tractor's excellent maneuverability and ease of use. The power-assisted steering and hydraulic system provide precise control over the tractor and its implements. Users also appreciate the tractor's durability and reliability, particularly the hydraulic wet disc brakes. The tractor's fuel efficiency and low maintenance requirements are also popular features among users.

John Deere 7425 Technical Specifications

Power

Engine138hp / 102.9kW
Pto (claimed)123hp / 91.7kW

Engine Detail

DescriptionJohn Deere PE6068 diesel 6-cylinder liquid-cooled
Displacement414ci / 6.8L
Bore/stroke4.19x5.00inches / 106x 127mm
Power138hp / 102.9kW
Compression16.9:1
Rated Rpm2100
Idle Rpm850-2250
Operating Rpm1500-2100
Firing Order1-5-3-6-2-4
Starterelectric
Starter Volts12
Starter Power4 hp /3.0 kW
Oil Capacity20.6qts / 19.5L
Coolant Capacity21.1qts / 20.0L
Intake Valve Clearance0.014inches / 0.356mm
Exhaust Valve Clearance0.018inches / 0.457mm

Engine

DescriptionJohn Deere 6.8L 6-cyl diesel
Fuel Tank54.7gal / 207.0L

Transmission

TransmissionPowrQuad
Typefour-speed power shift
Gears16 forward and reverse
Clutchhydraulic wet disc
DescriptionFour power shift speeds (1-4) in four ranges (A-D) with power shuttle

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD
Steeringpower
CabTwo-post ROPS. Cab optional
Transmission16-speed four-speed power shift

Tires

2wd Standard Tires (ag)Front: 10.00-16. Rear: 18.4-38
4wd Standard Tires (ag)Front: 14.9-28. Rear: 18.4

Dimensions

2wd Wheelbase104.3inches / 264cm
4wd Wheelbase106.3inches / 270cm
Length188inches / 477cm
2wd Height (steering Wheel)87.2inches / 221cm
4wd Height (steering Wheel)86.7inches / 220cm
2wd Shiping Weight10750lbs / 4876kg
4wd Shiping Weight12210lbs / 5538kg
Rear AxleRack-and-pinion: 3.375 by 110.5inches / 85by 2806mm

Dimensions And Tires

2wd Wheelbase104.3inches / 264cm
4wd Wheelbase106.3inches / 270cm
Weight10750 to 12210 pounds
Front Tire10.00-16
2wd Rear Tire18.4-38

Serial Numbers

LocationSerial number plate on right side of tractor frame

Hydraulics

Typeclosed center pressure flow compensated

Tractor Hitch

Rear TypeIIIN/II
Rear Lift (at 248390lbs / 3805kg

Electrical

Groundnegative
Charging Systemalternator
Charging Amps90
Charging Volts14
Battery Volts12
Battery Ah154

Speeds

DescriptionWith 18.4-38 rear tires

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000
Engine Rpm540@1995 / 1000@1995

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