| Manufacturer | John Deere |
| Price | - |
| Model | 8120T |
| Equipment Type | Agricultural Crawler Tractors |
| Factory | Waterloo, Iowa, USA |
ENGINE DETAIL
The John Deere 8120T features a robust 8.1L, turbocharged inline-6 diesel engine, delivering a maximum power output of 230hp at rated RPMs, ideal for demanding agricultural tasks. With a high compression ratio of 16.5:1 and a broad operational RPM range, this tractor offers excellent torque and efficiency, allowing for effective performance in soil cultivation and heavy-duty towing scenarios. Notably, its substantial coolant capacity of 34.0L ensures optimal engine temperature management during prolonged operations, a crucial aspect for mitigating overheating risks in intensive farming conditions.
| Description | John Deere turbocharged diesel 6-cylinder liquid-cooled inline |
| Displacement | 496ci / 8.1L |
| Bore/Stroke | 4.56x5.06inches / 116x 129mm |
| Rated Power (ECE R24) | 200hp / 149.1kW |
| Rated Power (EC 97/98) | 208hp / 155.1kW |
| Maximum Power (ECE R24) | 220hp / 164.1kW |
| Maximum Power (EC 97/68) | 230hp / 171.5kW |
| Compression | 16.5:1 |
| Rated RPM | 2200 |
| Idle RPM | 900-2300 |
| Operating RPM | 1500-2200 |
| Starter volts | 12 |
| Coolant capacity | 35.9qts / 34.0L |
ENGINE OIL
The John Deere 8120T tractor has an oil capacity of 22.7 quarts (21.5 liters), which is critical for maintaining optimal engine performance and longevity. With an oil change interval of 250 hours, it offers a balance between maintenance efficiency and engine protection, although extensive operational periods may necessitate closer monitoring of oil quality. For scenarios involving heavy duty or high-load operations, more frequent oil changes could be beneficial to prevent potential engine wear.
| Oil capacity | 22.7qts / 21.5L |
| Oil change | 250 h |
JOHN DEERE 8120T ENGINE
The John Deere 8120T is powered by an efficient 8.1L 6-cylinder diesel engine, delivering robust torque and optimal fuel efficiency, making it suitable for demanding agricultural tasks. Its track system enhances traction and reduces soil compaction, providing better performance on uneven terrains; however, it may have higher initial acquisition costs compared to wheel tractors. This model is ideal for large-scale farming operations that require versatility, durability, and a strong power-to-weight ratio for tasks like plowing or heavy tillage.
| Description | John Deere 8.1L 6-cyl diesel |
TRANSMISSION
The John Deere 8120T's PowerShift transmission offers seamless gear changes across 16 forward and 4 reverse speeds, enhancing operational efficiency and responsiveness in various field conditions. With a substantial oil capacity of 260 quarts (246.1L), it supports extended operation while maintaining optimal lubrication under heavy loads. However, the complexity of the full power shift system may require specialized training for effective utilization and maintenance.
| Transmission | John Deere PowerShift |
| Type | full power shift |
| Gears | 16 forward and 4 reverse |
| Oil capacity | 260qts / 246.1L |
SPEEDS
| Description | Fourth reverse at 1600 RPM |
JOHN DEERE 8120T TRANSMISSION
The John Deere 8120T features a 16-speed full power shift transmission, allowing seamless gear changes under load, which enhances productivity and reduces operator fatigue. This transmission design provides optimal torque delivery across various speed ranges, improving fuel efficiency and adaptability in diverse field conditions. However, operators may require training to maximize the advantages of this advanced shifting system, as it can differ from conventional gear setups.
| Description | 16-speed full power shift |
MECHANICAL
The John Deere 8120T features a crawler drive system that provides superior traction and stability on uneven terrain, ideal for heavy-duty applications. Its electro-hydraulic power steering enhances maneuverability, reducing operator fatigue during long hours. Equipped with hydraulic wet disc brakes, the tractor ensures reliable stopping power in various conditions, although maintenance of these braking systems can be more complex compared to traditional systems.
| Drive | crawler |
| Steering | electro-hydraulic power |
| Description | Hydraulic wet disc brakes Cab standard |
CAPACITY
| Fuel | 130gal / 492.1L |
| Hydraulic system | 65gal / 246.0L |
HYDRAULICS
| Type | closed center pressure flow compensated (PFC) |
| Capacity | 65gal / 246.0L |
| Pressure | 2900psi / 200.0bar |
| Valves | 5 |
| Pump flow | 30gpm / 113.6lpm |
| Total flow | 33.5gpm / 126.8lpm 42.5gpm (optional) / 160.9lpm |
TRACTOR HITCH
| Rear Type | III/IIIN |
| Rear lift | 15,180lbs / 6885kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1-3/4) |
JOHN DEERE 8120T TRACKS
| Width | 30inches / 76cm |
| Length on ground | 89inches / 226cm |
| Area on ground | 5340in² / 3.4m² |
DIMENSIONS & TRACKS
| Wheelbase | 89inches / 226cm 120inches (wide track option) / 304cm |
| Weight | 25,950lbs / 11770kg |
| Description | 24-inch tracks |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 150 |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |