| Manufacturer | John Deere |
| Price | - |
| Model | 6715 |
| Equipment Type | Utility Tractors |
| Factory | Mannheim, Baden-Württemberg, Germany |
ENGINE DETAIL
The John Deere 6715 features a robust 6.8L turbocharged diesel engine, providing a peak rated power of 125hp at 2300 RPM, which is advantageous for high-demand applications like plowing or heavy lifting. With a compression ratio of 17:1, this engine offers efficient combustion and better fuel economy, particularly at the optimal operating RPM range of 1500-2300. However, the substantial oil (21.2 qts) and coolant (19 qts) capacities indicate a need for careful maintenance to ensure optimal engine performance and longevity.
| Description | John Deere 6068 turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Rated Power (ECE R24) | 125hp / 93.2kW |
| Rated Power (EC 97/98) | 129.4hp / 96.5kW |
| Compression | 17:1 |
| Rated RPM | 2300 |
| Operating RPM | 1500-2300 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Starter power | 4.2hp / 3.1kW |
| Oil capacity | 21.2qts / 20.1L |
| Coolant capacity | 19qts / 18.0L |
JOHN DEERE 6715 ENGINE
The John Deere 6715 features a robust 6.8L 6-cylinder diesel engine, offering high torque for demanding agricultural tasks. Its 54.7-gallon fuel tank ensures extended operational periods, reducing downtime for refueling, which is advantageous for larger farming operations. However, the weight and size of the tractor may pose challenges in tighter fields or during transport.
| Description | John Deere 6.8L 6-cyl diesel |
| Fuel tank | 54.7gal / 207.0L |
TRANSMISSIONS OVERVIEW
The John Deere 6715 features a 12-speed fully synchronized transmission, providing seamless shifting under load, which enhances operational efficiency. The 16-speed power shuttle offers quick directional changes for improved maneuverability, making it suitable for various field tasks. However, the complexity of a power shift system may require additional maintenance, so operators should be adept at handling such technology to maximize performance.
| Description | 12-speed fully synchronized 16-speed power shuttle 16-speed four-speed power shift |
TRANSMISSION 1
The John Deere 6715 tractor features the SyncroPlus transmission, allowing efficient gear shifting with 12 forward and 4 reverse gears, facilitating adaptability in various field conditions. The fully synchronized system enhances operator ease, reducing shift effort while the wet disc clutch ensures smoother engagement and reduced wear versus standard clutches. This setup is ideal for tasks requiring frequent speed adjustments, such as plowing or hauling, but may present challenges in heavy-duty applications where durability under constant use is a concern.
| Transmission | SyncroPlus |
| Type | fully synchronized |
| Gears | 12 forward and 4 reverse |
| Clutch | wet disc |
| Description | Three synchronized gears (1-3) plus reverse (R) in four synchronized ranges (A-D) |
SPEEDS 1
| Description | With 18.4-38 rear tires |
TRANSMISSION 2
The John Deere 6715 features a SyncroPlus Reverser transmission with a power shuttle system, allowing seamless direction changes without clutching, which enhances operator efficiency, especially in loader applications. The wet disc clutch provides smooth engagement and durability, while the 16 gears in both forward and reverse offer versatility for various field tasks. However, operators may need to familiarize themselves with the four synchronized gears across four ranges to optimize performance in specific scenarios.
| Transmission | SyncroPlus Reverser |
| Type | power shuttle |
| Gears | 16 forward and reverse |
| Clutch | wet disc |
| Description | Reverser option adds left-hand power shuttle lever to SyncroPlus transmission. Four synchronized gears (1-4) in four synchronized ranges (A-D) with shuttle lever |
SPEEDS 2
| Description | With 18.4-38 rear tires. Reverse speeds are 20% faster than forward speeds |
TRANSMISSION 3
The John Deere 6715 features a PowrQuad transmission with 16 forward and reverse speeds, enabling precise speed selection for various field operations. The wet disc clutch provides smooth engagement under load, enhancing durability and minimizing wear. This setup is advantageous for tasks requiring frequent speed changes, but may present challenges in terms of complexity and maintenance compared to simpler transmission systems.
| Transmission | PowrQuad |
| Type | four-speed power shift |
| Gears | 16 forward and reverse |
| Clutch | wet disc |
| Description | Four power shift gears (1-4) in four synchronized ranges (A-D) with power shuttle lever |
SPEEDS 3
| Description | With 18.4-38 rear tires. Reverse speeds are 20% faster than forward speeds |
JOHN DEERE 6715 TRANSMISSIONS
The John Deere 6715 features a 12-speed fully synchronized transmission, which enhances smooth gear shifts for increased operator comfort and efficiency in various applications. Its 16-speed power shuttle allows for quick direction changes, making it suitable for tasks requiring frequent forward and reverse motion, such as loader work. However, the complexity of the power shift might pose a learning curve for some operators, necessitating training for optimal performance.
| Description | 12-speed fully synchronized 16-speed power shuttle 16-speed four-speed power shift |
MECHANICAL
The John Deere 6715 features a hydrostatic power steering system that enhances maneuverability, particularly in tight spaces. Its electro-hydraulic rear differential lock improves traction on uneven terrain, making it suitable for various field conditions. The optional Comfort Vantage Cab with air conditioning increases operator comfort for extended use, but may add complexity and weight to the tractor.
| Description | Two- or four-wheel drive Hydraulic wet disc brakes Two-post foldable ROPS. Comfort Vantage Cab optional with air-conditioning |
| Differential lock | electro-hydraulic rear |
| Steering | hydrostatic power |
HYDRAULICS
| Type | constant-flow load-sensing |
| Valves | 1 to 4 |
| Pump flow | 17.5gpm / 66.2lpm |
TRACTOR HITCH
| Rear Type | II |
| Control | electro-hydraulic lower-link draft sensing |
| Rear lift (at 24) | 5915 lbs*During testing, actual lift was only 5430 pounds / 2683kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | electro-hydraulic wet disc |
| Rear RPM | 540/1000 |
JOHN DEERE 6715 TIRES
The John Deere 6715 tractor offers versatile tire options for both 2WD and 4WD configurations, allowing users to tailor traction and flotation based on specific agricultural needs. The larger optional front tires (13.6-28 for 4WD) enhance grip and stability on uneven terrain, while the standard tires (12.4-28) provide a balance between comfort and performance. A challenge may arise in selecting tire sizes that optimize load distribution and reduce soil compaction, highlighting the importance of assessing field conditions before finalizing the tire configuration.
| 2WD Standard tires (ag) | Front: 10.00-16. Rear: 18.4-38 |
| 4WD Standard tires (ag) | Front: 12.4-28. Rear: 18.4-38 |
| 2WD Optional tires (ag) | Front: 10.00-16. Rear: 18.4-34 |
| 4WD Optional tires (ag) | Front: 13.6-28. Rear: 18.4-38 |
DIMENSIONS & TIRES
The John Deere 6715 tractor offers a robust weight range of 8,776 to 10,252 pounds, providing stability during heavy-field operations. With 2WD and 4WD configurations featuring wheelbases of 106.3 inches and 104.3 inches respectively, it ensures effective maneuverability, though the 2WD version may sacrifice traction in muddy conditions. The front tire size of 10.00-16 paired with the substantial rear tire size of 18.4-38 enhances load-bearing capabilities, ideal for plowing and tilling, but may limit agility in tight spaces.
| 2WD Wheelbase | 106.3inches / 270cm |
| 4WD Wheelbase | 104.3inches / 264cm |
| Weight | 8776 to 10252 pounds |
| Front tire | 10.00-16 |
| 2WD Rear tire | 18.4-38 |
6715 SERIAL LOCATION
| Description | Serial number plate on the right side of the tractor frame, above the front axle |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 90 |
| Battery CCA | 1230 |
| Battery volts | 12 |
| Battery AH | 154 |