| Manufacturer | John Deere |
| Price | - |
| Model | 6525 |
| Equipment Type | Utility Tractors |
| Factory | Mannheim, Baden-Württemberg, Germany |
JOHN DEERE 6525 POWER
| Engine (gross) | 120hp / 89.5kW |
| Engine (net) | 115hp / 85.8kW |
| Engine (max) | 125hp / 93.2kW |
| PTO (claimed) | 102hp / 76.1kW |
ENGINE DETAIL
The John Deere 6525 features a turbocharged 6-cylinder diesel engine with a displacement of 6.8L, providing rated power ranging from 115hp to 120hp, capable of peak power delivery at 2300 RPM. Its electronic fuel injection system enhances fuel efficiency and power delivery, while the viscous fan cooling system ensures optimal temperature management under heavy loads. Be mindful of its Stage III emissions compliance, as this may impact its operation in regions with strict environmental regulations, but the robust torque of 358 lb-ft at 1600 RPM positions it well for demanding agricultural applications.
| Description | John Deere turbocharged intercooled diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Emissions | Stage III |
| Rated Power (ECE R24) | 115hp / 85.8kW |
| Rated Power (EC 97/98) | 120hp / 89.5kW |
| Maximum Power (ECE R24) | 121hp / 90.2kW |
| Maximum Power (EC 97/68) | 125hp / 93.2kW |
| Fuel system | electronic fuel injection |
| Cooling system | viscous fan |
| Rated RPM | 2300 |
| Idle RPM | 850-2460 |
| Operating RPM | 1600-2300 |
| Torque | 358lb-ft / 485.4Nm |
| Torque RPM | 1600 |
| Firing order | 1-5-3-6-2-4 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 16.9qts / 16.0L |
| Intake valve clearance | 0.014inches / 0.356mm |
| Exhaust valve clearance | 0.018inches / 0.457mm |
JOHN DEERE 6525 ENGINE
The John Deere 6525 tractor is powered by a robust 6.8L 6-cylinder diesel engine, delivering excellent torque and efficiency for heavy-duty agricultural tasks. With a large fuel tank capacity of 54.7 gallons (207.0 liters), it offers extended operational periods, reducing downtime for refueling. However, the weight consideration due to the engine size and full fuel tank could affect maneuverability in certain terrains.
| Description | John Deere 6.8L 6-cyl diesel |
| Fuel tank | 54.7gal / 207.0L |
TRANSMISSIONS OVERVIEW
The John Deere 6525 features a 12-speed synchronized transmission, which allows for smooth gear shifts and enhanced control, ideal for varying field conditions. The addition of a 16-speed power shuttle facilitates quicker direction changes, improving productivity during operations such as plowing or transporting. However, the complexity of the transmission may pose a challenge for operators unfamiliar with advanced gear mechanisms.
| Description | 12-speed synchronized 16-speed power shuttle |
TRANSMISSION 1
The John Deere 6525 tractor features a SyncroPlus synchronized transmission, enabling smooth gear shifting across 12 forward gears and 4 reverse gears, which enhances versatility in diverse operational contexts. The wet 225mm Perma Clutch II minimizes wear and provides reliable engagement, crucial for heavy-duty applications. With an oil capacity of 58.1 quarts (55.0L), it supports extended operational periods between maintenance, although users must monitor fluid levels regularly to prevent overheating during prolonged use.
| Transmission | John Deere SyncroPlus |
| Type | synchronized |
| Gears | 12 forward and 4 reverse |
| Clutch | wet 225mm disc Perma Clutch II |
| Oil capacity | 58.1qts / 55.0L |
| Description | Three gears (1-3) plus reverse (R) in four ranges (A-D) |
TRANSMISSION 2
The John Deere 6525 features a Power Reverser transmission with 16 forward and reverse gears, which facilitates smooth directional changes, advantageous for tasks requiring frequent stopping and starting. The wet Perma Clutch II system enhances clutch life and reduces maintenance, though it may require careful management of oil capacity at 58.1 qts/55.0L to ensure optimal performance. With maximum speed options of 30 KPH and 40 KPH, it offers versatility for both field work and transport duties, making it suitable for diverse agricultural scenarios.
| Transmission | John Deere Power Reverser |
| Type | power shuttle |
| Gears | 16 forward and reverse |
| Clutch | wet 225mm disc Perma Clutch II |
| Oil capacity | 58.1qts / 55.0L |
| Description | Four gears (1-4) in four ranges (A-D) with left-hand reverser lever. 30 KPH and 40 KPH maximum speed options available |
MECHANICAL
The John Deere 6525 tractor features a robust 4x2 and optional 4x4 MFWD chassis, offering versatility in various terrain conditions. The hydrostatic power steering enhances maneuverability, while the wet disc brakes provide reliable stopping power, promoting safety during operation. With transmission options of 12-speed synchronized and a 16-speed power shuttle, operators benefit from seamless gear shifting for improved productivity in field tasks and transport scenarios.
| Chassis | 4x2 2WD/4x4 MFWD 4WD (optional) |
| Steering | hydrostatic power |
| Brakes | wet disc |
| Cab | Two-post foldable ROPS |
| Transmissions | 12-speed synchronized 16-speed power shuttle |
HYDRAULICS
| Type | open center gear pump |
| Pressure | 2538psi / 175.0bar |
| Pump flow | 14.27gpm / 54.0lpm |
TRACTOR HITCH
| Rear Type | 2/1 |
| Control | load and depth control with mechanical top-link sensing |
| Rear lift | 10,030lbs / 4549kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | mechanical-hydraulic wet disc |
| Rear RPM | 540/1000 |
| Engine RPM | 540@2143 / 1000@2208 |
JOHN DEERE 6525 TIRES
The John Deere 6525 tractor offers versatile tire options with 2WD and 4WD configurations, optimizing traction and stability for various agricultural tasks. The standard Ag tires enhance field performance, with the larger rear tires (18.4R34) providing improved flotation and reduced soil compaction, crucial for crop health. However, the choice between 2WD and 4WD impacts both fuel efficiency and maneuverability, with 4WD better suited for challenging terrains but generally increasing operational costs.
| Standard tires (ag) | Front: 7.50R18. Rear: 18.4R34 (2WD) Front: 14.9R24. Rear: 18.4R34 (4WD) |
DIMENSIONS
| 2WD Wheelbase | 106.3inches / 270cm |
| 4WD Wheelbase | 104.3inches / 264cm |
| Shiping weight | 9,612lbs / 4360kg |
| Max weight | 16,530lbs / 7498kg |
| Clearance (rear axle) | 63.9,67.9,69.1,70.4,71.6,75.9,77.1,78.4,79.6inches / 162cm |
| Rear axle | Flange |
DIMENSIONS & TIRES
The John Deere 6525's 2WD configuration provides a stable wheelbase of 106.3 inches and is ideal for tasks in well-drained fields, but its heavier weight of 9,612 lbs may impact maneuverability in tight spaces. Its robust rear tire size (18.4R34) enhances traction for heavier loads, making it suitable for agricultural operations requiring significant power and stability. However, the 4WD option, with a slightly shorter wheelbase of 104.3 inches, may offer improved all-terrain performance but could come at the cost of increased complexity and maintenance.
| 2WD Wheelbase | 106.3inches / 270cm |
| 4WD Wheelbase | 104.3inches / 264cm |
| Weight | 9,612lbs / 4360kg |
| Front tire | 7.50R18 |
| Rear tire | 18.4R34 (2WD) |
6525 SERIAL NUMBERS
| Location | Right side of main tractor frame |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 90 |
| Battery volts | 12 |
| Battery AH | 110 |