| Manufacturer | John Deere |
| Price | - |
| Model | 6125D |
| Equipment Type | Utility Tractors |
| Factory | Saltillo, Mexico |
JOHN DEERE 6125D POWER
| Engine (gross) | 123hp / 91.7kW |
| PTO (claimed) | 105hp / 78.3kW |
ENGINE DETAIL
The John Deere 6125D features a robust 4.5L turbocharged diesel engine with a favorable power-to-weight ratio, rated at 123hp at 2100 RPM, making it suitable for demanding agricultural tasks. Its dry element air cleaner with pre-cleaner enhances engine longevity by ensuring optimal air filtration, while the 17:1 compression ratio contributes to fuel efficiency and power output. However, operators should monitor valve clearances regularly for optimal engine performance and consider the moderate coolant capacity in hot environments to prevent overheating.
| Description | John Deere 4045H Power Tech turbocharged intercooled diesel 4-cylinder 8-valve liquid-cooled |
| Displacement | 276ci / 4.5L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Rated Power (EC 97/98) | 123hp / 91.7kW |
| Air cleaner | dry element with pre-cleaner |
| Compression | 17:1 |
| Rated RPM | 2100 |
| Idle RPM | 950-2275 |
| Firing order | 1-3-4-2 |
| Starter | electric |
| Starter volts | 12 |
| Coolant capacity | 17.4qts / 16.5L |
| Intake valve clearance | 0.014inches / 0.356mm |
| Exhaust valve clearance | 0.018inches / 0.457mm |
ENGINE OIL
The John Deere 6125D tractor has an oil capacity of 13 quarts (12.3 liters), which allows for extended oil change intervals, optimizing maintenance efficiency. Regular oil changes at 250 to 500 hours with JD TorqGARD oil are critical for ensuring engine longevity and performance. Employing high-quality oil minimizes wear, improves engine operation, and can enhance fuel efficiency, though it is essential to monitor for signs of oil degradation to prevent potential engine damage.
| Oil capacity | 13qts / 12.3L |
| Oil change | 250 h / 500 h / (JD TorqGARD oil) |
JOHN DEERE 6125D ENGINE
The John Deere 6125D features a robust 4.5L 4-cylinder diesel engine, known for its fuel efficiency and durability, making it suitable for agricultural tasks. Its compact size offers excellent maneuverability in tight spaces, but operators should consider potential power limitations in heavy-duty applications. Overall, it's ideal for small to medium farms requiring reliable performance and ease of maintenance.
| Description | John Deere 4.5L 4-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 6125D features both a 9-speed unsynchronized and a partially synchronized transmission, offering flexibility in gear selection for varying field conditions. The partially synchronized option reduces gear clash during shifts, enhancing operational efficiency, particularly in tasks requiring frequent speed adjustments. However, the unsynchronized gears may present challenges in novice operator scenarios, necessitating skillful shifting to avoid damage or operator fatigue.
| Description | 9-speed unsynchronized gear 9-speed partially synchronized |
TRANSMISSION 1
The John Deere 6125D's unsynchronized collar shift transmission features nine forward and three reverse gears, optimizing performance across varied agricultural tasks. A notable advantage is the efficient power delivery, though the requirement to stop and use the clutch for gear shifting can reduce operational efficiency during tasks requiring frequent gear changes. Operators should be mindful of the 61.2 qt oil capacity for optimal transmission performance, ensuring regular maintenance to prevent gear wear in demanding scenarios.
| Transmission | John Deere Collar Shift |
| Type | unsynchronized gear |
| Gears | 9 forward and 3 reverse |
| Clutch | dry disc |
| Oil capacity | 61.2qts / 57.9L |
| Description | Three gears (1-3) plus reverse (R) in each of three ranges (A-C). Tractor must be stopped, and clutch used, to shift gear or range |
SPEEDS 1
| Description | With 18.4-34 rear tires |
TRANSMISSION 2
The John Deere 6125D features a partially synchronized John Deere Top Shaft Synchronized (TSS) transmission, providing 9 forward and 3 reverse gears, which enhances operational flexibility across various tasks. The dry disc clutch system enables smoother gear transitions, though range shifts require a complete stop and disengagement of the clutch, posing a challenge during rapid operations. With a 61.2 qt oil capacity, maintaining optimal lubrication is critical for performance longevity, particularly in demanding agricultural environments.
| Transmission | John Deere Top Shaft Synchronized (TSS) |
| Type | partially synchronzied |
| Gears | 9 forward and 3 reverse |
| Clutch | dry disc |
| Oil capacity | 61.2qts / 57.9L |
| Description | Three gears (1-3) plus reverse (R) in each of three ranges (A-C). Shifts between gears, including to reverse, are synchronized using the clutch. Shifts between ranges are not synchronized, the operator must stop the tractor and use the clutch |
SPEEDS 2
| Description | With 18.4-34 rear tires |
MECHANICAL
The John Deere 6125D features a 4x4 MFWD chassis that enhances traction and stability, making it suitable for diverse agricultural tasks, especially in challenging terrains. Its hydrostatic power steering offers superior maneuverability while the mechanical wet disc brakes provide reliable stopping power, though maintenance may be more intensive compared to dry systems. The optional cab can improve operator comfort but may add weight, slightly reducing overall agility in tight spaces.
| Chassis | 4x4 MFWD 4WD |
| Steering | hydrostatic power |
| Brakes | mechanical wet disc |
| Cab | Two-post ROPS. Cab optional |
| Transmissions | 9-speed unsynchronized gear 9-speed partially synchronized |
CAPACITY
| Fuel | 41.7gal / 157.8L |
| Hydraulic system | 15.3gal / 57.9L |
| Front axle | 6.9qts / 6.5L |
| Front hubs | 2.1qts / 2.0L (each) |
HYDRAULICS
| Type | open center |
| Capacity | 15.3gal / 57.9L |
| Pressure | 2830psi / 195.1bar |
| Rear valves | 2 to 3 |
| Pump flow | 17.6gpm / 66.6lpm |
| Steering flow | 6.9gpm / 26.1lpm |
TRACTOR HITCH
| Rear Type | II |
| Control | mechanical lower link |
| Rear lift (at ends) | 7,649lbs / 3469kg |
| Rear lift (at 24 | 6,946lbs / 3150kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | mechanical dry disc |
| Rear RPM | 540/1000 (1.375) |
| Engine RPM | 540@2100 / 1000@2100 |
JOHN DEERE 6125D TIRES
The John Deere 6125D tractor, equipped with standard agricultural tires (14.9-24 front and 23.1-30 rear), offers excellent flotation and traction in field conditions, making it suitable for a variety of tasks including tillage and planting. However, the larger rear tires may limit maneuverability in tight spaces, requiring careful navigation in constrained areas. Overall, this configuration is advantageous for larger fields but may present challenges in smaller, more intricate agricultural operations.
| Standard tires (ag) | Front: 14.9-24. Rear: 23.1-30 |
DIMENSIONS
| Wheelbase | 92.5inches / 234cm |
| Length | 166inches / 421cm |
| Width | 72inches / 182cm |
| Height (cab) | 107.5inches / 273cm |
| Height (exhaust) | 106inches / 269cm |
| Shiping weight | 8,532lbs / 3870kg |
| Max weight | 15,210lbs / 6899kg |
| Rear axle | 72 inch length /1828mm |
DIMENSIONS & TIRES
The John Deere 6125D, with a wheelbase of 92.5 inches, provides excellent stability for various agricultural tasks, enhancing maneuverability in tight spaces. Weighing 8,532 lbs, it offers substantial traction, particularly beneficial for field operations, but may pose challenges in transportability. The tire sizes (14.9-24 front and 23.1-30 rear) contribute to improved flotation and reduced soil compaction, making it suitable for tillage and heavy-duty applications.
| Wheelbase | 92.5inches / 234cm |
| Weight | 8,532lbs / 3870kg |
| Front tire | 14.9-24 |
| Rear tire | 23.1-30 |
JOHN DEERE 563 LOADER
| Height (to pin) | 133.8inches / 339cm |
| Clearance, dumped bucket | 93.2inches / 236cm |
| Dump reach | 36.4inches / 92cm |
| Dump angle | 71° |
| Reach at ground | 87.6inches / 222cm |
| Rollback angle | 41° |
| Breakout force (at pin) | 6,632lbs / 3008kg 5,665lbs / 2569kg (MSL) |
| Breakout force (at 800mm) | 4,698lbs / 2131kg 4,743lbs / 2151kg (MSL) |
| Breakout force (bucket) | 4,900lbs / 2222kg 4,766lbs / 2161kg (MSL) |
| Lift to full height (at pin) | 4,063lbs / 1842kg 3,168lbs / 1437kg (MSL) |
| Lift to full height (at 800mm) | 2,773lbs / 1257kg 3,311lbs / 1501kg (MSL) |
| Lift to 1.5m (at pin) | 5,154lbs / 2337kg 4,281lbs / 1941kg (MSL) |
| Lift to 1.5m (at 800mm) | 3,880lbs / 1759kg 4,021lbs / 1823kg (MSL) |
| Bucket width | 73inches / 185cm |
| Raise time to height | 5.6 s / 4.8 s / (MSL) |
| Bucket dump time | 5.1 s / 4 s / (MSL) |
| Lowering time | 4.8 s / 4.1 s / (MSL) |
| Rollback time | 5.4 s / 4.1 s / (MSL) |
6125D SERIAL NUMBERS
| Location | Right side of main tractor frame above front axle |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 70 (ROPS) / 90 (cab) |
| Battery CCA | 550 |
| Battery volts | 12 |
| Battery AH | 102 |
| Battery Group | 27 |