| Manufacturer | John Deere |
| Price | - |
| Model | 8320R |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 2101 2
| Description | Diesel 16-speed 4WD October 23 - 31, 2014 Link: OCED Tractor Test 2101 file PTO performance Drawbar performance Gear 8 used for power test Gear 5 used for pull test |
| Max power | 253.13hp / 188.8kW |
| Power at rated engine speed | 281.25hp / 209.7kW |
| Fuel use | 14.8gal/hour / 56.0l/hour |
| Power at rated PTO speed | 307.69hp / 229.4kW |
| Max pull | 27922lbs / 12665kg |
JOHN DEERE 8320R POWER
| Engine (gross) | 320hp / 238.6kW |
| Engine (max) | 352hp / 262.5kW |
| PTO (claimed) | 269hp / 200.6kW 150hp / 111.9kW (front) |
| Drawbar (tested) | 253.13hp / 188.8kW |
| PTO (tested) | 318.08hp / 237.2kW |
ENGINE DETAIL
The John Deere 8320R features a robust PowerTech PSS 6-cylinder engine with a notable displacement of 9.0L, providing a rated power of 320hp and a maximum power of 352hp, ideal for demanding agricultural tasks. Its electronic high-pressure common rail fuel system enhances efficiency and optimizes combustion, contributing to compliance with Tier 4B emissions regulations through selective catalyst reduction. While the performance is impressive for heavy-duty applications, ensure proper maintenance and fuel quality to mitigate the challenges of after-treatment systems in varying operational conditions.
| Description | John Deere PowerTech PSS turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacement | 548ci / 9.0L |
| Bore/Stroke | 4.66x5.35inches / 118x 136mm |
| Emissions | Tier 4B |
| Emission control | selective catalyst reduction |
| Rated Power (EC 97/98) | 320hp / 238.6kW |
| Maximum Power (EC 97/68) | 352hp / 262.5kW |
| Fuel system | electronic high-pressure common rail |
| Compression | 16:1 |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
JOHN DEERE 8320R ENGINE
The John Deere 8320R features a robust 9.0L 6-cylinder diesel engine that ensures high torque and fuel efficiency, making it suitable for heavy-duty applications such as plowing and tilling. Its advanced emissions control system may complicate maintenance, reflecting a trade-off between environmental compliance and serviceability. Ideal for large-scale farming operations, this tractor's performance can be maximized with proper load management and maintenance schedules.
| Description | John Deere 9.0L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 8320R features a 16-speed full power shift infinitely variable transmission (IVT), offering seamless power delivery and optimal fuel efficiency across varying operational conditions. This advanced transmission system enhances operator comfort and maximizes productivity by allowing smooth transitions between speeds without significant torque loss. However, potential challenges include increased complexity in maintenance and repair costs, necessitating regular monitoring for optimal performance.
| Description | 16-speed full power shift infinitely variable transmission (IVT) |
TRANSMISSION 1
The John Deere 8320R features a John Deere PowerShift transmission, providing seamless shifting across 16 forward and 4 reverse gears. This full power shift system enhances operator efficiency and comfort, allowing for optimal power delivery and reduced gear shifting interruptions during operation. However, potential challenges include higher initial costs and complexity in maintenance, which should be considered based on the operational environment and required serviceability.
| Transmission | John Deere PowerShift |
| Type | full power shift |
| Gears | 16 forward and 4 reverse |
TRANSMISSION 2
The John Deere 8320R features an infinitely variable transmission (IVT), enhancing fuel efficiency and providing seamless power delivery across various operational speeds. The AutoPowr system allows for smooth transitions between gears, which can reduce operator fatigue during extended use in diverse applications like tillage or crop planting. However, while the IVT offers superior adaptability, maintenance complexity and potential repair costs may arise due to its sophisticated design.
| Transmission | John Deere AutoPowr |
| Type | infinitely variable transmission (IVT) |
| Gears | infinite forward and reverse |
MECHANICAL
The John Deere 8320R, with its 4x4 MFWD chassis and inboard planetary final drives, offers enhanced traction and stability, ideal for diverse field conditions. The hydraulic wet disc brakes provide reliable stopping power, while the optional dual line air trailer brakes enhance versatility during towing applications. Its 16-speed IVT allows for smooth power transition and optimal fuel efficiency, making it suitable for tasks requiring precision, such as planting and harvesting.
| Chassis | 4x4 MFWD 4WD |
| Final drives | inboard planetary |
| Differential lock | hydraulic rear standard hydraulic front with 1500 and ILS axles |
| Steering | hydrostatic power Active Command steering optional |
| Brakes | hydraulic wet disc |
| Trailer brakes | hydraulic (optional) dual line air (optional) |
| Cab | CommandView III cab standard with air-conditioning. AutoTrac ready JDLink ServiceADVISOR Remote |
| Transmissions | 16-speed full power shift infinitely variable transmission (IVT) |
CAPACITY
| Fuel | 170.4gal / 645.0L 181.2gal / 685.8L (G49 chassis) |
| Exhaust fluid (DEF) | 6.8gal / 25.7L |
| Hydraulic system | 10.6gal / 40.1L 23.8gal / 90.1L (optional) |
HYDRAULICS
| Type | closed-center load sensing pressure flow compensated |
| Capacity | 10.6gal / 40.1L 23.8gal / 90.1L (optional) |
| Rear valves | 4 to 6 |
| Front valves | 0 to 2 |
| Pump flow | 60gpm / 227.1lpm 85gpm / 321.7lpm (optional) |
| SCV flow | 35gpm / 132.5lpm 42gpm / 159.0lpm (optional) |
TRACTOR HITCH
| Rear Type | IVN/III |
| Rear lift | 15000lbs / 6804kg 20000lbs / 9072kg (optional) |
| Rear Arms | hydraulic center link optional |
| Front Hitch | optional |
| Front lift (at ends) | 11450lbs / 5193kg |
| Drawbar | Cat 4 Cat 4 Heavy-Duty optional |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.75)/1000 / 1000E (1.75 optional) 540/1000 (1.375 optional) |
| Front PTO | optional independent |
| Front RPM | 1000 (1.75) / 1000 (1.375) |
JOHN DEERE 8320R TIRES
The John Deere 8320R features robust tire specifications with a front size of 380/80R38 and rear size of 480/80R50, offering enhanced traction and stability on varied terrain. These tire dimensions facilitate higher load-bearing capacity and improved field performance, especially in agricultural applications involving heavy tillage or transport. However, operators must be mindful of potential compaction issues on soft soils due to the larger footprint, making careful tire pressure management essential.
| Standard tires (ag) | Front: 380/80R38. Rear: 480/80R50 |
DIMENSIONS
| Wheelbase | 120.1inches / 305cm |
| Length | 245inches / 622cm 259.5inches / 659cm (with front weights) |
| Width | 137.3inches / 348cm (warning lamps) 175.1inches / 444cm (triples warning lamps) |
| Height (cab) | 129.3inches / 328cm |
| Clearance (front axle) | 23.1inches / 58cm (1500 axle Group 42 tires) 19.7inches / 50cm (ILS axle Group 42 tires) |
| Clearance (rear axle) | 24.9inches / 63cm (Group 47 tires) |
| Front axle | ILS 50 KPH |
| Rear axle | 4.724 by 118.5inches / 119by 3009mm |
| Front tread | 62 to 88inches / 157to 223cm |
JOHN DEERE 8320R WEIGHT
| 32691lbs / 14828kg (IVT, duals, Cat 4 hitch) | |
| Max capacity | 39683lbs / 18000kg |
| Max front axle | 17637lbs / 8000kg |
| Max rear axle | 25353lbs / 11500kg |
DIMENSIONS & TIRES
The John Deere 8320R features a 120.1-inch wheelbase, providing stability during heavy-duty operations and reducing soil compaction while maximizing traction. Weighing 32,691 lbs, its structure allows for effective power delivery without sacrificing maneuverability, making it ideal for large-scale agricultural tasks. The front 380/80R38 and rear 480/80R50 tire sizes enhance flotation and traction, beneficial in varied soil conditions but may require careful attention to tire pressure management to optimize performance and reduce wear.
| Wheelbase | 120.1inches / 305cm |
| Weight | 32691lbs / 14828kg |
| Front tire | 380/80R38 |
| Rear tire | 480/80R50 |
8320R SERIAL NUMBERS
| Location | Serial number plate on the front-right of the tractor frame, above the front axle |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 240 |
| Batteries | 2 |
| Battery CCA | 925 (each) |
| Battery volts | 12 |