| Manufacturer | John Deere |
| Price | 22,000(USD) |
| Model | 7020 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Waterloo, Iowa, USA |
NEBRASKA TRACTOR TEST 1063 2
| Description | Diesel 16-speed 4WD April 20 - May 4, 1971 Link: Nebraska Tractor Test 1063 file PTO performance Drawbar performance Gear 4-Lo used for power test Gear 1-Hi used for pull test |
| Power at rated engine speed | 146.17hp / 109.0kW |
| Fuel use | 10.0gal/hour / 37.9l/hour |
| Max power | 127.72hp / 95.2kW |
| Max pull | 18,726lbs / 8494kg |
JOHN DEERE 7020 POWER
| Drawbar (tested) | 127.72hp / 95.2kW |
| PTO (tested) | 146.17hp / 109.0kW |
ENGINE DETAIL
The John Deere 7020 features a robust 6-cylinder turbocharged intercooled diesel engine with a displacement of 6.6L, delivering strong torque and efficiency suitable for heavy-duty applications. A high compression ratio of 15.7:1 enhances fuel efficiency and power output, although it may also necessitate high-quality fuel to prevent knocking. Its substantial oil and coolant capacities (17 quarts and 32 quarts, respectively) support extended operation intervals and cooling, making it ideal for long workdays in demanding environments.
| Description | John Deere turbocharged intercooled diesel 6-cylinder liquid-cooled |
| Displacement | 404ci / 6.6L |
| Bore/Stroke | 4.25x4.75inches / 108x 121mm |
| Air cleaner | dual paper elements with pre-cleaner |
| Compression | 15.7:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 17qts / 16.1L |
| Coolant capacity | 32qts / 30.3L |
JOHN DEERE 7020 ENGINE
The John Deere 7020 features a robust 6.6L 6-cylinder diesel engine, providing efficient power delivery and torque for demanding agricultural tasks. Key advantages include its high fuel efficiency and durability, made for extended fieldwork, while potential challenges may involve higher repair costs due to its sophisticated engine design. Ideal for medium to large-scale operations, the 7020 excels in heavy tillage, planting, and hauling applications.
| Description | John Deere 6.6L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 7020 tractor features an 8-speed and a partially synchronized 16-speed transmission, allowing for improved versatility in various farming scenarios. The partially synchronized design enhances ease of shifting under load, though it may still require driver skill, particularly when transitioning between gears while working. This dual transmission system provides operators with a balance of speed control and operational efficiency, ideal for both fieldwork and transport tasks.
| Description | 8-speed partially synchronized 16-speed partially synchronized |
TRANSMISSION 1
The John Deere 7020's partially synchronized Syncro-Range transmission offers 8 forward and 2 reverse gears, ensuring versatility in various operational scenarios, such as tilling or hauling. With an oil capacity of 88 quarts (83.3 liters), adequate lubrication and cooling are maintained, which is crucial for prolonged use and reliability. Potential challenges include the need for regular maintenance of the synchronizers to avoid gear shifting issues, particularly in demanding agricultural conditions.
| Transmission | Syncro-Range |
| Type | partially synchronized |
| Gears | 8 forward and 2 reverse |
| Oil capacity | 88qts / 83.3L |
TRANSMISSION 2
The John Deere 7020's partially synchronized Syncro-Range transmission provides 16 forward and 4 reverse gears, enhancing versatility across varying tasks. The additional high and low gears allow for optimal speed and torque adjustments, making it suitable for both fieldwork and transportation. However, while the transmission aids in smoother shifting, operators may require some practice to master gear selection for maximum efficiency.
| Transmission | Syncro-Range Hi-Lo |
| Type | partially synchronized |
| Gears | 16 forward and 4 reverse |
| Description | Eight-speed Deere Synchro-Range transmission with added high and low gears |
MECHANICAL
The John Deere 7020 features a robust 4x4 articulated 4WD chassis, providing enhanced traction and stability on challenging terrains, ideal for agricultural tasks requiring extensive maneuverability. The hydrostatic power steering system offers precise control, reducing driver fatigue during long operational hours. With its 8-speed partially synchronized transmission, operators can efficiently navigate various speeds for optimized performance, although the complexity of 16-speed options could pose a learning curve for new users.
| Chassis | 4x4 articulated 4WD |
| Steering | hydrostatic power |
| Cab | Cab standard |
| Transmissions | 8-speed partially synchronized 16-speed partially synchronized |
CAPACITY
| Fuel | 156gal / 590.5L |
| Hydraulic system | 22gal / 83.3L |
HYDRAULICS
| Type | closed center |
| Capacity | 22gal / 83.3L |
| Valves | 2(early) / 3(late) |
| Pump flow | 26gpm / 98.4lpm |
POWER TAKE-OFF (PTO)
| Rear PTO | transmission |
| Rear RPM | 1000 |
JOHN DEERE 7020 TIRES
The John Deere 7020 features 18.4-34S tires on both the front and rear, providing optimal traction and stability for agricultural tasks. This tire size is ideal for heavy-duty applications, enhancing soil impact and minimizing compaction, although it may limit maneuverability in tighter spaces. Ensure proper tire pressure maintenance to maximize performance and extend tire life.
| Ag front | 18.4-34S |
| Ag rear | 18.4-34S |
DIMENSIONS
| Wheelbase | 120inches / 304cm |
| Weight | 18,495lbs / 8389kg |
DIMENSIONS & TIRES
The John Deere 7020 is engineered with a 120-inch wheelbase, providing stability and balance during heavy operations. Weighing 18,495 lbs (8,389 kg) allows it to handle substantial loads while minimizing ground pressure, ideal for various agricultural tasks. However, its large size may pose challenges in tighter spaces or navigating uneven terrain, necessitating adept maneuvering skills.
| Wheelbase | 120inches / 304cm |
| Weight | 18,495lbs / 8389kg |
| Front tire | 18.4-34S |
| Rear tire | 18.4-34S |
7020 SERIAL NUMBERS
| Location | Serial number plate on the rear of the tractor, above the PTO |
| 1971 | 773R001000 |
| 1972 | 773R002007 |
| 1973 | 773R002548 |
| 1974 | 773R003122 |
| 1975 | 773R003542 |
| Final | 773R003708 |
ELECTRICAL
| Ground | negative |
| Charging system | Motorola alternator*Early Delco alternator*Late |
| Batteries | 2 |
| Battery volts | 6 |