| Manufacturer | John Deere |
| Price | 211,192(USD) |
| Model | 8285R |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 2003 2
| Description | Diesel Powershift 4WD September 27 - October 5, 2011 Link: OCED Tractor Test 2003 file PTO performance Drawbar performance Gear 8 used for power test Gear 5 used for pull test |
| Max power | 222.70hp / 166.1kW |
| Fuel use | 14.5gal/hour / 54.9l/hour |
| Power at rated engine speed | 257.34hp / 191.9kW |
| Power at rated PTO speed | 276.45hp / 206.1kW |
| Max pull | 22,662lbs / 10279kg |
OCED TRACTOR TEST 2003A 2
| Description | Diesel Powershift 4WD September 27 - October 5, 2011 Link: OCED Tractor Test 2003A file PTO performance Drawbar performance Gear 8 used for power test Gear 5 used for pull test |
| Max power | 222.70hp / 166.1kW |
| Fuel use | 14.5gal/hour / 54.9l/hour |
| Power at rated engine speed | 257.34hp / 191.9kW |
| Power at rated PTO speed | 276.45hp / 206.1kW |
| Max pull | 22,662lbs / 10279kg |
JOHN DEERE 8285R POWER
| Engine (gross) | 285hp / 212.5kW |
| Engine (max) | 314hp / 234.1kW |
| PTO (claimed) | 239hp / 178.2kW |
| Drawbar (tested) | 222.70hp / 166.1kW |
| PTO (tested) | 287.52hp / 214.4kW |
ENGINE DETAIL
The John Deere 8285R is equipped with a robust PowerTech PSX 9.0L six-cylinder engine featuring dual turbochargers, which not only optimizes power output (maxing at 332hp with IPM) but also enhances efficiency under load through Intelligent Power Management, allowing for improved throttle response during demanding tasks. The dual-stage air filtration system and effective EGR emissions control facilitate compliance with Interim Tier IV standards while potentially extending engine lifespan. With an oil capacity of up to 29.5 quarts and extended oil change intervals of up to 500 hours, this tractor is designed for durability and reduced maintenance, making it suitable for heavy-duty agricultural operations.
| Description | John Deere PowerTech PSX dual turbochargers diesel 6-cylinder 24-valve liquid-cooled inline Optional Intelligent Power Management (IPM) provides a 35HP increase at rated speed |
| Displacement | 548ci / 9.0L |
| Bore/Stroke | 4.66x5.35inches / 118x 136mm |
| Emissions | Interim Tier IV/Stage IIIB |
| Emission control | exhaust gas recirculation (EGR) |
| Rated Power (EC 97/98) | 285hp / 212.5kW |
| Maximum Power (EC 97/68) | 314hp / 234.1kW 332hp / 247.6kW (IPM) |
| Air cleaner | dual stage |
| Pre-heating | ether (optional) / block heater (optional) |
| Compression | 16:1 |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 26.4qts / 25.0L (1300 axle) 29.5qts / 27.9L (1500/ILS axle) |
| Oil change | 250h / 500h / (JD Plus-50 II oil) |
| Coolant capacity | 43.3qts / 41.0L |
JOHN DEERE 8285R ENGINE
The John Deere 8285R is powered by a robust 9.0L 6-cylinder diesel engine, providing substantial horsepower and torque for heavy-duty applications. With a fuel tank capacity of 183.6 gallons (694.9 liters), it offers extended operational range, reducing the frequency of refueling during long workdays. However, the vehicle's weight and size can pose challenges in maneuverability in tighter spaces, making it ideal for large agricultural operations but potentially less suitable for smaller fields or confined tasks.
| Description | John Deere 9.0L 6-cyl diesel |
| Fuel tank | 183.6gal / 694.9L |
TRANSMISSIONS OVERVIEW
The John Deere 8285R's 16-speed IVT enhances operational efficiency by providing seamless power transfer and optimal engine performance across varying terrain and load conditions. This transmission system allows for precise speed control and reduced operator fatigue, making it ideal for tasks requiring constant speed management, such as tillage or planting. However, potential challenges may include higher upfront costs and maintenance complexity compared to traditional gear systems.
| Description | 16-speed full power shift infinitely variable transmission (IVT) |
TRANSMISSION 1
The John Deere 8285R tractor features a sophisticated Automatic PowerShift transmission that optimally adjusts shifting based on load conditions, allowing for seamless transitions across its 16 forward and 4 reverse gears. This full powershift system enhances operational efficiency, particularly in varied field tasks, and can be further customized with an optional fifth reverse gear through dealer reprogramming. However, reliance on electronic controls may present a challenge during technical malfunctions, necessitating proper diagnostics and support.
| Transmission | John Deere Automatic PowerShift |
| Type | full power shift |
| Gears | 16 forward and 4 reverse |
| Description | Automatic PowerShift uses computer control to shift based on load up to the highest selected gear. Fifth reverse is optional through dealer re-programming |
SPEEDS 1
| Description | With Group 47 rear tires. Speed R3 is at 2300 RPM and R4 is at 1500 RPM |
TRANSMISSION 2
The John Deere 8285R's AutoPowr transmission offers seamless gear shifting through an infinitely variable transmission (IVT), which enhances operational efficiency by allowing optimal engine speed for various field conditions. A key advantage is the ability to effortlessly switch between forward and reverse with a right- or left-hand reverser, improving maneuverability in tight spaces or during complex tasks. However, operators may require a learning curve to fully utilize the versatility of the IVT in different agricultural scenarios.
| Transmission | John Deere AutoPowr |
| Type | infinitely variable transmission (IVT) |
| Gears | infinite forward and reverse |
| Description | IVT available with right- or left-hand reverser |
SPEEDS 2
| Description | The AutoPowr IVT is available with 50km/h top speeds with ILS |
MECHANICAL
The John Deere 8285R tractor features a robust 4x4 MFWD configuration, enhancing traction in diverse terrains, which is advantageous for demanding agricultural tasks. Its hydraulic rear differential lock, accompanied by optional front lock, ensures improved maneuverability under challenging conditions, while the 16-speed IVT allows for seamless speed adjustments, enhancing operational efficiency. The CommandView II cab provides operator comfort with climate control, aiding productivity during long hours in the field, though optional features like ActiveCommand Steering may add to the initial investment.
| Chassis | 4x4 MFWD 4WD |
| Differential lock | hydraulic rear lock front lock on 1500 and ILS front axles |
| Steering | hydrostatic power ActiveCommand Steering (ACS) optional |
| Brakes | differential hydraulic wet disc |
| Trailer brakes | hydraulic and air optional |
| Cab | CommandView II cab standard with heat and air-conditioning |
| Transmissions | 16-speed full power shift infinitely variable transmission (IVT) |
HYDRAULICS
| Type | closed center pressure-flow compensated |
| Pressure | 2900psi / 200.0bar |
| Rear valves | 3 to 5 |
| Pump flow | 35gpm / 132.5lpm |
| Total flow | 44gpm / 166.5lpm 60gpm / 227.1lpm (optional) |
TRACTOR HITCH
| Rear Type | 3/3N/4N/3 |
| Rear lift (at 24 | 13,300lbs / 6032kg (3/3N 2011) 17,300lbs / 7847kg (3/3N 2011) 18,300lbs / 8300kg (4N/3 2011) 13,600lbs / 6168kg (3/3N 2012) 17,600lbs / 7983kg (3/3N 2012) 18,700lbs / 8482kg (4N/3 2012) |
| Front Hitch | 3N/2 (optional) |
| Front lift (at ends) | 8,800lbs / 3991kg 11,450lbs / 5193kg 12,300lbs / 5579kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1-3/4) / 1000 (1-3/8 optional) / 540 (1-3/8 optional) |
JOHN DEERE 8285R TIRES
The John Deere 8285R features a robust tire configuration with 420/90R30 front tires and 480/80R46 rear tires, offering excellent traction and stability on various terrains. The larger rear tires enhance load capacity and reduce soil compaction, making it advantageous for tillage and heavy-duty applications. However, the increased tire size may limit maneuverability in tight spaces, necessitating careful operation in confined areas.
| Ag front | 420/90R30 |
| Ag rear | 480/80R46 |
DIMENSIONS
| Wheelbase | 120.1inches / 305cm (1300 MFWD)/118.9inches / 302cm (1500/ILS) |
| Length | 243.9inches / 619cm 258.3inches / 656cm (with front weights) |
| Width | 96inches / 243cm (axle) 118.5inches / 300cm (long axle) 137.3inches / 348cm (clearance lamps) 175.1inches / 444cm (extra-long lamps) |
| Height (cab) | 138.9inches / 352cm |
| Clearance (front axle) | 24.3inches / 61cm (1300) 23.5inches / 59cm (1500) 20.1inches / 51cm (ILS) |
| Clearance (rear axle) | 24.9inches / 63cm |
| Clearance (drawbar) | 12.6inches / 32cm |
JOHN DEERE 8285R WEIGHT
| Operating | 27,218lbs / 12346kg 30,252lbs / 13722kg (ILS) |
| Max capacity | 39,683lbs / 18000kg |
| Max front axle | 17,637lbs / 8000kg |
| Max rear axle | 25,353lbs / 11500kg |
DIMENSIONS & TIRES
The John Deere 8285R, with a wheelbase of 120.1 inches for the MFWD variant, offers enhanced stability and traction, particularly in heavy fieldwork scenarios. Its weight range of 27,218 to 30,252 pounds provides substantial ground stability but may limit maneuverability in tighter spaces. The front tire size of 420/90R30 and rear tire size of 480/80R46 enhance flotation and soil compaction management, making this tractor favorable for both tillage and hauling applications.
| Wheelbase | 120.1inches / 305cm (1300 MFWD)/118.9inches / 302cm (1500/ILS) |
| Weight | 27218 to 30252 pounds |
| Front tire | 420/90R30 |
| Rear tire | 480/80R46 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 200 |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |