| Manufacturer | John Deere |
| Price | 169,219(USD) |
| Model | 6145R |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 2146 2
| Description | Diesel Auto Quad PLUS 4WD March 24 - April 6, 2016 Link: OCED Tractor Test 2146 file PTO performance Drawbar performance |
| Max power | 107.46hp / 80.1kW |
| Fuel use | 7.3gal/hour / 27.6l/hour |
| Power at rated engine speed | 116.42hp / 86.8kW |
| Power at rated PTO speed | 127.15hp / 94.8kW |
| Max pull | 14746lbs / 6688kg |
JOHN DEERE 6145R POWER
| Engine (gross) | 145hp / 108.1kW |
| Engine (max) | 157hp / 117.1kW |
| PTO (claimed) | 111hp / 82.8kW |
| Drawbar (tested) | 107.46hp / 80.1kW |
| PTO (tested) | 134.25hp / 100.1kW |
ENGINE DETAIL
The John Deere 6145R features a robust PowerTech PVS engine, providing a balanced output of 145 hp with a peak of 157 hp, ideal for demanding agricultural applications. Its integrated selective catalytic reduction (SCR) system ensures compliance with Tier IV emissions standards, optimizing performance while minimizing environmental impact. Challenges may include the need for additional DEF (diesel exhaust fluid) for SCR operation, which can be a consideration for operational logistics and maintenance.
| Description | John Deere PowerTech PVS aftercooled turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 415ci / 6.8L |
| Bore/Stroke | 4.15x5.00inches / 105x 127mm |
| Emissions | Tier IV |
| Emission control | selective catalytic reduction (SCR) |
| Rated Power (EC 97/98) | 145hp / 108.1kW |
| Maximum Power (EC 97/68) | 157hp / 117.1kW |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
JOHN DEERE 6145R ENGINE
The John Deere 6145R is powered by a 6.8L 6-cylinder diesel engine, delivering robust performance suitable for heavy-duty farm applications. Its large 71.3-gallon fuel tank allows for extended operational time, reducing the frequency of refueling during intensive tasks, while a 4.2-gallon DEF tank ensures compliance with emissions standards. However, operators must manage DEF usage and maintain appropriate fluid levels to avoid performance issues related to Tier 4 Final emissions regulations.
| Description | John Deere 6.8L 6-cyl diesel |
| Fuel tank | 71.3gal / 269.9L |
| Exhaust fluid (DEF) | 4.2gal / 15.9L |
TRANSMISSIONS OVERVIEW
The John Deere 6145R is equipped with advanced transmission options, including a 16-speed partial power shift, a 20-speed partial power shift, and a 24-speed IVT, allowing for optimal power management and fuel efficiency across various field conditions. The IVT specifically enhances maneuverability and performance during tasks that require precise control, such as planting and tillage. However, reliance on complex transmission systems may lead to increased maintenance challenges and costs over time.
| Description | 16-speed partial power shift 20-speed partial power shift 24-speed eight-speed power shift infinitely variable transmission (IVT) |
TRANSMISSION 1
The John Deere 6145R features a Power Quad PLUS transmission, which provides a partial power shift mechanism, enhancing efficiency in various field operations. With 16 forward and reverse gears, operators benefit from precise speed control and reduced engine strain, advantageous for tasks requiring varied power and speed. However, operators may need to familiarize themselves with the shifting patterns to maximize performance in diverse agricultural scenarios.
| Transmission | Power Quad PLUS |
| Type | partial power shift |
| Gears | 16 forward and reverse |
TRANSMISSION 2
The John Deere 6145R tractor features the AutoQuad PLUS transmission, which provides 20 forward and reverse gears, allowing for smooth gear shifting and enhanced operational efficiency. The partial power shift design optimizes torque delivery, particularly beneficial for varied field conditions or heavy implement use. However, operators may need time to adjust to the gear selection, especially in dynamic applications such as tillage or loading tasks.
| Transmission | AutoQuad PLUS |
| Type | partial power shift |
| Gears | 20 forward and reverse |
TRANSMISSION 3
The John Deere 6145R features a DirectDrive ECO transmission with eight-speed power shift, allowing for efficient gear changes under load, enhancing operator productivity. With a total of 24 forward and reverse speeds, this tractor offers excellent versatility for various agricultural tasks, from fieldwork to transport duties. However, potential challenges may include the need for regular maintenance to ensure optimal performance and prevent transmission wear.
| Transmission | DirectDrive ECO |
| Type | eight-speed power shift |
| Gears | 24 forward and reverse |
TRANSMISSION 4
The John Deere 6145R's infinitely variable transmission (IVT) offers seamless gear changes without defined shift points, enhancing operator comfort and efficiency during tasks requiring frequent speed adjustments. This system provides optimal power delivery and fuel efficiency, making it ideal for variable terrain and applications such as tillage or planting. However, maintenance complexity may increase due to advanced technology, necessitating skilled technicians for servicing.
| Type | infinitely variable transmission (IVT) |
| Gears | infinite forward and reverse |
MECHANICAL
The John Deere 6145R features a versatile 4WD system with an inboard planetary final drive, enhancing traction and stability across varied terrains. Its electrohydraulic differential lock provides improved power transfer and maneuverability, while the hydraulic wet disc brakes ensure effective stopping power under heavy loads. With a range of transmission options, including IVT, operators can expect optimal efficiency and performance tailored to their specific agricultural tasks.
| Chassis | 4x2 2WD/4x4 MFWD 4WD |
| Final drives | inboard planetary |
| Differential lock | electrohydraulic front and rear |
| Steering | power |
| Brakes | hydraulic wet disc |
| Cab | Cab standard with air-conditioning |
| Transmissions | 16-speed partial power shift 20-speed partial power shift 24-speed eight-speed power shift infinitely variable transmission (IVT) |
HYDRAULICS
| Type | closed-center pressure and flow compensated |
| Pressure | 2900psi / 200.0bar |
| Valves | 2 to 4 |
| Pump flow | 30.1gpm / 113.9lpm |
| SCV flow | 26.4gpm / 99.9lpm |
TRACTOR HITCH
| Rear Type | III/IIIN |
| Control | electronic lower link draft sensing |
| Rear lift | 9193lbs / 4169kg |
| Drawbar | Cat. 2 |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | electro-hydraulic |
| Rear RPM | 540/1000 (1.375) / 540/540E / 1000 |
JOHN DEERE 6145R TIRES
The John Deere 6145R tractor offers the versatility of both 2WD and 4WD configurations, enhancing traction and stability on varying terrain. The 4WD with larger front (380/85R30) and rear (480/80R42) tires provides improved power transfer and reduced soil compaction, ideal for heavy tillage and field operations. In contrast, the 2WD setup, with its narrower front tires (11.00-20), may offer better maneuverability in tighter spaces but could face challenges in adverse weather conditions or on sloped surfaces.
| 2WD Standard tires (ag) | Front: 11.00-20. Rear: 480/80R46 |
| 4WD Standard tires (ag) | Front: 380/85R30. Rear: 480/80R42 |
DIMENSIONS
| 2WD Wheelbase | 117.5inches / 298cm |
| 4WD Wheelbase | 108.9inches / 276cm |
| 2WD Clearance (front axle) | 18.5inches / 46cm |
| 4WD Clearance (front axle) | 23.5inches / 59cm |
| Rear axle | Rack-and-pinion: 3.62 by 110.5inches / 91by 2806mm |
| 2WD Front tread | 58.5 to 96inches / 148to 243cm |
| 4WD Front tread | 57.5 to 83.5inches / 146to 212cm |
| Rear tread | 63.1 to 90.6inches / 160to 230cm |
JOHN DEERE 6145R WEIGHT
| Shipping | 17028lbs / 7723kg |
| Max capacity | 24802lbs / 11250kg |
| Max Drawbar | 5400lbs / 2449kg |
DIMENSIONS & TIRES
The John Deere 6145R tractor features a robust weight of 17,028 lbs (7,723 kg), providing stability for heavy-duty tasks, though this may challenge maneuverability in smaller spaces due to its larger dimensions, particularly in the 2WD configuration with a 117.5-inch wheelbase. The 4WD option, with a shorter wheelbase of 108.9 inches, enhances traction and stability on uneven terrain, making it more suitable for hilly or muddy conditions. The tire specifications (11.00-20 front and 480/80R46 rear) indicate a strong footprint for improved grip and load-carrying capacity, though potential tire wear should be monitored under heavy usage scenarios.
| 2WD Wheelbase | 117.5inches / 298cm |
| 4WD Wheelbase | 108.9inches / 276cm |
| Weight | 17028lbs / 7723kg |
| Front tire | 11.00-20 |
| 2WD Rear tire | 480/80R46 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 200/240 |
| Charging volts | 14 |
| Batteries | 2 |
| Battery CCA | 600 |
| Battery volts | 12 |