Engine

The engine is a John Deere turbocharged aftercooled diesel 6-cylinder liquid-cooled inline with a displacement of 765ci / 12.5L and a bore/stroke of 5.00x6.50inches / 127x 165mm. It has a power output of 425hp / 316.9kW and a compression ratio of 16:1. The engine is rated at 2100 RPM and has a coolant capacity of 64qts / 60.6L.


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Transmission

The transmission information is not specified in the data provided.

Brakes

The brakes on the John Deere 9400 are hydraulic wet disc brakes. They are four-wheel drive and come with a standard cab. The braking system is designed to provide reliable and consistent stopping power in all conditions.



Steering

The steering system on the John Deere 9400 is hydrostatic power. It is designed to provide precise and responsive steering control, making it easy to maneuver the tractor in tight spaces. The steering system is also designed to reduce operator fatigue, allowing for longer periods of operation without discomfort.


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Common Problems

One common problem reported by users of the John Deere 9400 is that the cab can be noisy, making it difficult to hear instructions or communicate with other workers. Another issue reported is that the tractor can be difficult to operate in wet or muddy conditions, as the tires can lose traction and slip. Some users have also reported issues with the hydraulic system, including leaks and failures. Finally, some users have reported that the tractor can be difficult to maintain, requiring frequent repairs and maintenance.

What Users Like

Users of the John Deere 9400 appreciate the tractor's powerful engine, which provides plenty of power for heavy-duty tasks. They also like the tractor's four-wheel drive system, which provides excellent traction and stability in all conditions. The hydrostatic power steering system is also a popular feature, as it provides precise and responsive steering control. Finally, users appreciate the tractor's comfortable cab, which is designed to reduce operator fatigue and provide a comfortable working environment.

Techincal Specifications

Engine Detail

DescriptionJohn Deere turbocharged aftercooled diesel 6-cylinder liquid-cooled inline
Displacement765ci / 12.5L
Bore/stroke5.00x6.50inches / 127x 165mm
Power425hp / 316.9kW
Compression16:1
Rated Rpm2100
Coolant Capacity64qts / 60.6L

Engine

DescriptionJohn Deere 12.5L 6-cyl diesel

Mechanical

DescriptionFour-wheel drive Hydraulic wet disc brakes Cab standard
Steeringhydrostatic power

Tires

Ag Front710/70R38
Ag Rear710/70R38

Dimensions And Tires

Wheelbase137.8inches / 350cm
Weight33770 to 37410 pounds
Front Tire710/70R38
Rear Tire710/70R38

Serial Numbers

199920001
200140001

Capacity

Fuel256gal / 969.0L
Hydraulic System26gal / 98.4L

Hydraulics

Typeclosed center PFC
Capacity26gal / 98.4L
Pressure2900psi / 200.0bar
Valve2 to 5
Pump Flow35gpm / 132.5lpm
Total Flow44gpm / 166.5lpm

Tractor Hitch

Rear TypeIII/IV/IVN OptOptional
Rear Lift13,871lbs / 6291kg 14,445lbs*Cat. IV / 6552kg

Electrical

Grounnegative
Charging Systealternator
Charging Amp140
Batterie3
Battery Cc925
Battery Volt12

Power Take Off Pto

Rear Ptoindependent
Rear Rpm1000 OptOptional

Engine Oil

Oil Capacity44qts / 41.6L

Transmissions

Description12-speed partially synchronized 24-speed partial power shift 12-speed full power shift

Serial Location

DescriptionSerial number plate on the top-left of the tractor's hinge