The John Deere 6615 tractor is powered by a John Deere 6.8L 6-cyl diesel engine that provides 120.3hp / 89.7kW of horsepower and 334lb-ft / 452.9Nm torque. It has a 4x4 MFWD 4WD drive configuration and a 12-speed fully synchronized 16-speed partial power shift transmission.

Engine

The engine is a John Deere 6068T turbocharged diesel 6-cylinder liquid-cooled with a displacement of 414.4ci / 6.8L. It has a bore/stroke of 4.19x5.00inches / 106x 127mm and produces a power of 120.3hp / 89.7kW at a rated rpm of 2300. The engine also has a torque of 334lb-ft / 452.9Nm at a torque rpm of 1400 and a starter volts of 12. The coolant capacity of the engine is 26.4qts / 25.0L.


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Transmission

The transmission of the John Deere 6615 is a 12-speed fully synchronized 16-speed partial power shift. It has an engine power of 120.3hp / 89.7kW and a pto_(claimed) of 103hp / 76.8kW. The transmission is designed to provide smooth shifting and efficient power transfer. It is suitable for a wide range of applications, including farming, construction, and transportation. The transmission is also easy to operate and maintain, making it a popular choice among users.

Brakes

The brakes of the John Deere 6615 are hydraulic wet disc brakes. They provide reliable stopping power and are designed to withstand heavy use. The brakes are also easy to maintain and adjust, ensuring that they remain in good working condition for a long time. The John Deere 6615 is equipped with electro-hydraulic differential lock, which provides additional traction and stability in challenging terrain. The brakes are an essential safety feature of the tractor, and they are highly appreciated by users.



Steering

The steering of the John Deere 6615 is hydrostatic power steering. It provides precise and responsive control, making it easy to maneuver the tractor in tight spaces. The steering is also adjustable, allowing the operator to customize the settings to their liking. The John Deere 6615 is equipped with a John Deere 6.8L 6-cyl diesel engine, which provides ample power to the steering system. The steering is a critical component of the tractor, and it is highly valued by users.


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Common Problems

Users of the John Deere 6615 have reported some common problems with the tractor. One of the most significant issues is related to the transmission, with some users reporting problems with shifting and gear engagement. Another common problem is related to the hydraulic system, with some users reporting leaks and other issues. Some users have also reported problems with the brakes, particularly with the brake pads wearing out quickly. However, these issues are relatively rare, and most users are satisfied with the performance and reliability of the John Deere 6615.

What Users Like

Users of the John Deere 6615 appreciate many things about the tractor. One of the most popular features is the hydrostatic power steering, which provides precise and responsive control. Users also like the hydraulic wet disc brakes, which provide reliable stopping power. The tractor's 12-speed fully synchronized 16-speed partial power shift transmission is also highly valued, as it provides smooth shifting and efficient power transfer. Additionally, users appreciate the tractor's comfortable cab and the standard tires (ag) of Front: 14.9-26. Rear: 23.1-30, which provide excellent traction and stability in a wide range of conditions.

John Deere 6615 Technical Specifications

Power

Engine120.3hp / 89.7kW
Pto (claimed)103hp / 76.8kW

Engine Detail

DescriptionJohn Deere 6068T turbocharged diesel 6-cylinder liquid-cooled
Displacement414.4ci / 6.8L
Bore/stroke4.19x5.00inches / 106x 127mm
Power120.3hp / 89.7kW
Rated Rpm2300
Torque334lb-ft / 452.9Nm
Torque Rpm1400
Starter Volts12
Coolant Capacity26.4qts / 25.0L

Engine

DescriptionJohn Deere 6.8L 6-cyl diesel

Mechanical

Chassis4x4 MFWD 4WD
Differential Lockelectro-hydraulic
Steeringhydrostatic power
Brakeshydraulic wet disc
CabCab optional
Transmissions12-speed fully synchronized 16-speed partial power shift

Tires

Standard Tires (ag)Front: 14.9-26. Rear: 23.1-30

Dimensions

Wheelbase104.3inches / 264cm
Length193.7inches / 491cm
Height107.8inches / 273cm
Max Weight15,430lbs / 6999kg
Rear AxleRack-and-pinion
Front Tread63.6 to 84.8inches / 161to 215cm
Rear Tread64.4 to 75.5inches / 163to 191cm (bar with cab)

Dimensions And Tires

Wheelbase104.3inches / 264cm
Front Tire14.9-26
Rear Tire23.1-30

Capacity

Fuel45.4gal / 171.8L 81gal / 306.6L (optional)
Hydraulic System16.4gal / 62.1L
Front Axle8.7qts / 8.2L
Front Hubs0.8qts / 0.8L (each)

Hydraulics

Typeclosed center
Capacity16.4gal / 62.1L
Pressure2900psi / 200.0bar
Valves2 to 3
Pump Flow17.44gpm / 66.0lpm 26.42gpm / 100.0lpm (optional)
Scv Flow15.85gpm / 60.0lpm 25.4gpm / 96.1lpm (optional) JD Hy-Gard

Tractor Hitch

Rear TypeII
Controlelectronic lower link
Rear Lift (at Ends)5,445lbs / 2469kg
Rear Lift (at 244,762lbs / 2160kg

Electrical

Groundnegative
Charging Systemalternator
Charging Amps90
Battery Volts12
Battery Ah150

Power Take Off Pto

Rear Ptoindependent
Clutchelectro-hydraulic
Rear Rpm540/540/1000

Engine Oil

Oil Capacity20.1qts / 19.0L

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