Engine

The engine is a John Deere 6068 turbocharged 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 dry dual element air cleaner and a compression ratio of 17:1. The engine is rated at 2100 RPM and has a firing order of 1-5-3-6-2-4. The coolant capacity is 19qts / 18.0L, and the intake valve clearance is 0.014inches / 0.356mm while the exhaust valve clearance is 0.018inches / 0.457mm.


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Transmission

The transmission is a John Deere PowrQuad with a partial power shift type and 16 forward and reverse gears. It has four power-shift gears (1-4) in four synchronized ranges (A-D). Power shuttle shifting between forward and reverse is also available. The PTO (claimed) is 105hp / 78.3kW.

Brakes

The brakes are hydraulic wet disc. The John Deere 7405 model has a 4x2 2WD/4x4 MFWD 4WD chassis. The brakes have a description of John Deere 6068 turbocharged 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 dry dual element air cleaner and a compression ratio of 17:1. The engine is rated at 2100 RPM and has a firing order of 1-5-3-6-2-4. The coolant capacity is 19qts / 18.0L, and the intake valve clearance is 0.014inches / 0.356mm while the exhaust valve clearance is 0.018inches / 0.457mm.



Steering

The steering is power-assisted and has a description of John Deere 6.8L 6-cyl diesel.


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Common Problems

Users of the John Deere 7405 model have reported issues with the hydraulic system, specifically leaks and failures. Some users have also reported problems with the transmission, including difficulty shifting gears and slipping. Another common issue is with the brakes, which have been reported to wear out quickly and require frequent maintenance. Additionally, some users have reported problems with the cab, including poor visibility and uncomfortable seating. Finally, some users have reported issues with the power steering, including leaks and failures.

What Users Like

Users of the John Deere 7405 model appreciate the power and performance of the engine, which is capable of handling heavy loads and tough terrain. They also like the versatility of the transmission, which allows for easy shifting and smooth operation. Additionally, users appreciate the comfortable and spacious cab, which provides a good view of the surroundings and is easy to operate. Finally, users like the reliability and durability of the machine, which is built to last and can handle a variety of tasks with ease.

Techincal Specifications

Power

Pto (claimed)105hp / 78.3kW

Engine Detail

DescriptionJohn Deere 6068 turbocharged diesel 6-cylinder liquid-cooled
Displacement414ci / 6.8L
Bore/stroke4.19x5.00inches / 106x 127mm
Air Cleanerdry dual element
Compression17:1
Rated Rpm2100
Firing Order1-5-3-6-2-4
Coolant Capacity19qts / 18.0L
Intake Valve Clearance0.014inches / 0.356mm
Exhaust Valve Clearance0.018inches / 0.457mm

Engine

DescriptionJohn Deere 6.8L 6-cyl diesel

Transmission

TransmissionJohn Deere PowrQuad
Typepartial power shift
Gears16 forward and reverse
Oil Capacity60qts / 56.8L 68qts / 64.4L (4WD) 72qts / 68.1L (4WD creeper)
DescriptionFour power-shift gears (1-4) in four synchronized ranges (A-D). Power shuttle shifting between forward and reverse

Mechanical

Chassis4x2 2WD/4x4 MFWD 4WD
Steeringpower
Brakeshydraulic wet disc
CabTwo-post foldable ROPS
Transmission16-speed partial power shift

Tires

Standard Tires (ag)Front: 10.00-16. Rear: 18.4-38 (2WD) Front: 14.9-28. Rear: 18.4-38 (4WD) Front: 320/85R34. Rear: 320/90R50 (High Clearance)

Dimensions

2wd Wheelbase106.3inches / 270cm
4wd Wheelbase104.3inches / 264cm
Length178.4inches / 453cm
Shiping Weight10,750lbs / 4876kg (2WD) 11,575lbs / 5250kg (4WD)
4wd Ground Clearance22.4inches / 56cm
2wd Ground Clearance23.8inches / 60cm
High Clearance Ground Clearance23.6inches / 59cm
Rear AxleRack-and-pinion: 3.375 by 110.5inches / 85by 2806mm

Dimensions And Tires

2wd Wheelbase106.3inches / 270cm
4wd Wheelbase104.3inches / 264cm
Weight10750 to 11575 pounds
Front Tire10.00-16
Rear Tire18.4-38 (2WD)

Serial Numbers

19981001
19991719
20001842
20012050
20022104

Capacity

Fuel54.7gal / 207.0L
Hydraulic System15gal / 56.8L 17gal / 64.3L (4WD) 18gal / 68.1L (4WD creeper)
Front Axle6.8qts / 6.4L
Front Hubs0.8qts / 0.8L

Hydraulics

TypeHydraVantage constant flow load sensing
Capacity15gal / 56.8L 17gal / 64.3L (4WD) 18gal / 68.1L (4WD creeper)
Pressure2750psi / 189.6bar
Valves2
Total Flow17.5gpm / 66.2lpm

Tractor Hitch

Rear Type2
Controlposition and electro-hydraulic lower-link draft control
Rear Lift7,970lbs / 3615kg

Electrical

Groundnegative
Charging Systemalternator
Charging Amps65
Battery Cca950
Battery Volts12
Battery Ah110

Power Take Off Pto

Rear Ptoindependent
Rear Rpm540/1000

Height

4wd Steering Wheel86.7inches / 220cm
2wd Steering Wheel87.2inches / 221cm
High Clearance Steering Wheel89.3inches / 226cm
Rops111.6inches / 283cm
Exhaust110.5inches / 280cm