| Manufacturer | John Deere |
| Price | - |
| Model | 6125J |
| Equipment Type | Utility Tractors |
| Factory | Montenegro, Brazil |
JOHN DEERE 6125J POWER
| Engine | 125hp / 93.2kW |
| PTO (claimed) | 106hp / 79.0kW |
ENGINE DETAIL
The John Deere 6125J features a robust 6.8L PowerTech diesel engine, delivering 125hp at a rated RPM of 2300, with impressive torque of 365.8 lb-ft at 1400 RPM, making it highly effective for demanding agricultural tasks. The rotary injection pump ensures efficient fuel delivery, enhancing performance and fuel economy, while a 26.4 quart coolant capacity supports extended operational periods. Potential challenges may include maintenance complexity of the liquid-cooled system and ensuring adequate cooling in high-load scenarios.
| Description | John Deere 6068 PowerTech turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 414.4ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 125hp / 93.2kW |
| Fuel system | rotary injection pump |
| Rated RPM | 2300 |
| Torque | 365.8lb-ft / 496.0Nm |
| Torque RPM | 1400 |
| Starter volts | 12 |
| Coolant capacity | 26.4qts / 25.0L |
ENGINE OIL
The John Deere 6125J tractor has an oil capacity of 20.1 quarts (19.0 liters), which is essential for optimal engine lubrication and performance. Adequate oil volume aids in thermal regulation and reduces wear, enhancing engine life. Regular monitoring and timely oil changes are critical to prevent potential overheating or damage in high-load scenarios.
| Oil capacity | 20.1qts / 19.0L |
JOHN DEERE 6125J ENGINE
The John Deere 6125J tractor is powered by a robust 6.8L 6-cylinder diesel engine, offering substantial torque and efficiency for demanding agricultural tasks. With a standard fuel tank capacity of 45.44 gallons, and an optional upgrade to 81 gallons, this tractor supports extended operation time without frequent refueling, ideal for large-scale farming scenarios. However, the weight of the tractor, when fully fueled, can impact maneuverability in tight spaces, necessitating careful planning for field operations.
| Description | John Deere 6.8L 6-cyl diesel |
| Fuel tank | 45.44gal / 172.0L 81gal / 306.6L (optional) |
TRANSMISSIONS OVERVIEW
The John Deere 6125J features a 12-speed fully synchronized transmission, offering smooth gear shifts and enhanced operational efficiency. Its 16-speed partial power shift allows for precise control over torque and speed, ideal for diverse agricultural tasks. However, operators may face a learning curve with the advanced transmission system, but the benefits in productivity and fuel efficiency can be substantial in high-demand scenarios.
| Description | 12-speed fully synchronized 16-speed partial power shift |
TRANSMISSION 1
The John Deere 6125J features a fully synchronized John Deere Synchro Plus transmission, providing smooth gear shifts across 12 forward and 4 reverse gears. This system allows for optimal performance, particularly in varying field conditions, ensuring efficient power delivery and reduced operator fatigue. However, the hydraulic wet disc clutch may require more maintenance compared to traditional dry clutches, highlighting the importance of regular fluid checks for optimal longevity and performance.
| Transmission | John Deere Synchro Plus |
| Type | fully synchronized |
| Gears | 12 forward and 4 reverse |
| Clutch | hydraulic wet discs JD Hy-Gard |
| Description | Three synchronized gears (1-3) in four synchronized ranges (A-D) |
SPEEDS 1
| Description | With 23.1-30 R1 rear tires |
TRANSMISSION 2
The John Deere 6125J features a Power Quad partial power shift transmission, allowing seamless gear changes across 16 forward and reverse speeds, enhancing operational flexibility. The hydraulic wet disc clutch contributes to smoother engagement and reduces wear, ideal for sustained heavy-duty tasks. This setup is well-suited for applications requiring frequent gear shifts, such as plowing or tilling, providing the operator with better control and efficiency.
| Transmission | John Deere Power Quad |
| Type | partial power shift |
| Gears | 16 forward and reverse |
| Clutch | hydraulic wet discs JD Hy-Gard |
| Description | Four power shift gears (1-4) in four synchronized ranges (A-D) |
SPEEDS 2
| Description | With 23.1-30 R1 rear tires. Reverse speeds are 15% faster than forward |
MECHANICAL
The John Deere 6125J features a 4x4 MFWD system, enhancing traction in varied terrain, while its electro-hydraulic differential lock provides improved stability when navigating slippery surfaces. The hydraulic wet disc brakes ensure superior stopping power and longevity under heavy loads, but may require more maintenance than conventional systems. The optional cab can add comfort and protection for the operator, making it suitable for long working hours in adverse conditions.
| Chassis | 4x4 MFWD 4WD |
| Differential lock | electro-hydraulic |
| Steering | power |
| Brakes | hydraulic wet disc |
| Cab | Four-post ROPS. Cab optional |
| Transmissions | 12-speed fully synchronized 16-speed partial power shift |
HYDRAULICS
| Type | pressure compensated closed center pressure-flow compensated (PFC) optional |
| Pressure | 2900psi / 200.0bar |
| Valves | 2 |
| Pump flow | 17.17gpm / 65.0lpm 26.42gpm / 100.0lpm (optional) |
| SCV flow | 15.85gpm / 60.0lpm 26.36gpm / 99.8lpm (optional) JD Hy-Gard |
TRACTOR HITCH
| Rear Type | II |
| Control | electronic lower link |
| Rear lift (at ends) | 8,378lbs / 3800kg |
| Rear lift (at 24 | 5,622lbs / 2550kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | electro-hydraulic |
| Rear RPM | 540/1000/540 |
JOHN DEERE 6125J TIRES
The John Deere 6125J tractor offers versatile tire configurations, enabling traction optimization across varying field conditions. The standard tire setup provides adequate flotation and stability, while optional sizes allow for tailored approaches, such as enhanced soil compaction control or improved row-crop performance. Selecting the appropriate tire size can yield significant benefits in terms of efficiency and crop yield, but incorrect options may lead to increased soil degradation or reduced maneuverability.
| Standard tires (ag) | Front: 14.9-26. Rear: 23.1-30 |
| Optional tires (ag) | Front: 14.9-24. Rear: 23.1-30 Front: 14.9-24. Rear: 18.4-38 Front: 14.9-26. Rear: 18.4-38 Front: 14.9-26. Rear: 18.4-38 Front: 16.9-24. Rear: 23.1-30 Front: 16.9-24. Rear: 18.4-38 Front: 14.9-24. Rear: 23.1-30 Front: 12.4-36. Rear: Front: 320/90R50. Rear: Front: 14.9-24. Rear: 15.5-38 |
DIMENSIONS
| Wheelbase | 104.3inches / 264cm |
| Length | 193.7inches / 491cm |
| Height | 107.9inches / 274cm |
| Ground clearance | 19.9inches / 50cm |
| Rear axle | Bar: 3.386 by 96inches / 86by 2438mm |
| Front tread | 63.6 to 84.8inches / 161to 215cm |
| Rear tread | 65.3 to 94.8inches / 165to 240cm (bar) |
JOHN DEERE 6125J WEIGHT
| 9,678lbs / 4389kg (ROPS) 10,850lbs / 4921kg (cab) | |
| Ballasted | 15,430lbs / 6999kg |
DIMENSIONS & TIRES
The John Deere 6125J tractor features a wheelbase of 104.3 inches (264 cm), which enhances stability and maneuverability, particularly in diverse agricultural settings. Weighing between 9,678 to 10,850 pounds, its robust weight range allows for effective traction and durability when working on uneven terrain, but may require careful management in softer soils to prevent sinking. The tire configurations with 14.9-26 front and 23.1-30 rear tires optimize load distribution and ensure better grip during field operations, making it suitable for both heavy-duty tasks and transport applications.
| Wheelbase | 104.3inches / 264cm |
| Weight | 9678 to 10850 pounds |
| Front tire | 14.9-26 |
| Rear tire | 23.1-30 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 90 |
| Battery volts | 12 |
| Battery AH | 150 |