John Deere 4020
John Deere 4020 Specs
| Production | |
| Manufacturer | John Deere |
| Row-Crop tractor | |
| Factories | Waterloo, Iowa, USA |
| Mexico | |
| Total built | 184,879 (total) |
| 8,123 (gas) | |
| 8,445 (LP) | |
| 168,311 (diesel) | |
| 17,732 (standard) | |
| Original price was $10,345 in 1972 | |
4020 Serial Numbers
| 1964 | 65000 |
| 1965 | 91000 |
| 1966 | 119000 |
| 1967 | 145660 |
| 1968 | 173982 |
| 1969 | 201000 |
| 1970 | 222160 |
| 1971 | 250000 |
| 1972 | 260791 |
| Final | 270288 |
Variants
| 4020 | row-crop |
| 4020S | standard |
| 4020HC | high-crop |
| 600 | industrial |
John Deere diesel 6-cylinder 12-valve liquid-cooled inline Engine Detail
| Displacement | 404 ci 6.6 L |
| Bore/Stroke | 4.25×4.75 inches 108 x 121 mm |
| Compression | 16.5:1 |
| Rated RPM | 2200 |
| Idle RPM | 600-2500 |
| Operating RPM | 1500-2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 24 |
| Coolant capacity | 24 qts 22.7 L |
| Intake valve clearance | 0.018 inches 0.457 mm |
| Exhaust valve clearance | 0.018 inches 0.457 mm |
John Deere gasoline 6-cylinder 12-valve liquid-cooled inline Engine Detail
| Displacement | 340 ci 5.6 L |
| Bore/Stroke | 4.25×4.00 inches 108 x 102 mm |
| Compression | 7.5:1 |
| Rated RPM | 2200 |
| Idle RPM | 650-2500 |
| Operating RPM | 1500-2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 24 qts 22.7 L |
| Sparkplug gap | 0.025 inches 0.635 mm |
| Point gap | 0.016 inches 0.406 mm |
| Intake valve clearance | 0.015 inches 0.381 mm |
| Exhaust valve clearance | 0.028 inches 0.711 mm |
John Deere gasoline 6-cylinder 12-valve liquid-cooled inline Engine Detail
| Displacement | 362 ci 5.9 L |
| Bore/Stroke | 4.25×4.25 inches 108 x 108 mm |
| Compression | 7.5:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 8 qts 7.6 L |
| Coolant capacity | 24 qts 22.7 L |
John Deere LP gas 6-cylinder 12-valve liquid-cooled inline Engine Detail
| Displacement | 362 ci 5.9 L |
| Bore/Stroke | 4.25×4.25 inches 108 x 108 mm |
| Compression | 9.0:1 |
| Rated RPM | 2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 8 qts 7.6 L |
| Coolant capacity | 24 qts 22.7 L |
John Deere 4020 Power
| Drawbar (tested) | 83.79 hp 62.5 kW |
| PTO (tested) | 95.83 hp 71.5 kW |
John Deere Syncro-Range Transmission
| Type | partially synchronized |
| Gears | 8 forward and 2 reverse |
| Oil capacity | 52 qts 49.2 L |
| Oil type | 303 Special |
John Deere Power Shift Transmission
| Type | full power shift |
| Gears | 8 forward and 4 reverse |
| Oil capacity | 68 qts 64.4 L |
| Oil type | 303 Special |
Mechanical
| Drive | 4×2 2WD |
| 4×4 HFWD 4WD * | |
| Differential lock | mechanical rear Opt |
| Power steering | |
| Hydraulic wet disc brakes | |
| Open operator station. Cab optional. | |
Capacity
| Gasoline Fuel | 34 gal 128.7 L |
| Diesel Fuel | 34 gal 128.7 L |
| LP-gas Fuel | 45 gal 170.3 L |
| Syncro-Range Hydraulic system | 10 gal 37.9 L |
| Power Shift Hydraulic system | 12 gal 45.4 L |
Tractor hitch
| Rear Type | II |
| Rear lift | 3790 lbs 1719 kg |
Electrical
| Ground | positive (1964-1969) |
| negative (1969-1972) | |
| floating (24V) | |
| Charging system | Motorola alternator |
| Charging amps | 55 |
| Batteries | 2 (24V system) |
| 1 (12V system) | |
| Battery volts | 12 |
| Battery AH | 75 |
John Deere 4020 Tires
| Ag front | 6.00-16 (row crop) |
| 7.50-18 (standard) | |
| Ag rear | 15.5-38 (row crop) |
| 18.4-34 (standard) |
Dimensions
| Row crop Wheelbase | 97.5 inches 247 cm |
| Standard Wheelbase | 100.25 inches 254 cm |
| Length | 151 inches 383 cm |
| Width | 89.6 inches 227 cm |
| Regular rear axle | 3.375 by 91 inches 85 by 2311 mm |
| Long rear axle | 3.375 by 104 inches 85 by 2641 mm |
| Extra long rear axle | 3.375 by 112 inches 85 by 2844 mm |
| Front tread | 48.5 to 82.25 inches 123 to 208 cm |
| Rear tread | 60 to 91 inches 152 to 231 cm |
| Rear tread | 66 to 97 inches 167 to 246 cm (long axle) |
| Rear tread | 67 to 105 inches 170 to 266 cm (extra long axle) |
John Deere 4020 Weight
| Shipping | 8436 lbs (diesel syncro) 3826 kg |
| 8225 lbs (gas syncro) 3730 kg | |
| 8319 lbs (LP syncro) 3773 kg | |
| Operating | 8645 lbs (gas syncro) 3921 kg |
| 8945 lbs (diesel syncro) 4057 kg | |
| 9240 lbs (gas powershift) 4191 kg | |
| 9560 lbs (diesel powershift) 4336 kg | |
| Ballasted | 13980 lbs* 6341 kg |
John Deere 4020 Height
| Row-crop Steering wheel | 77.9 inches 197 cm |
| Standard Steering wheel | 78.25 inches 198 cm |
| Standard Exhaust | 88.25 inches 224 cm |
| Row crop Exhaust | 88.75 inches 225 cm |
FAQs
What engine options are available in the John Deere 4020?
The 4020 was available with three engine options:
- A 6-cylinder LP-gas engine (404 cubic inches).
- A 6-cylinder gasoline engine (404 cubic inches).
- A 6-cylinder diesel engine (404 cubic inches).
What type of transmission is offered in the John Deere 4020?
The tractor comes with two main transmission options:
- Powershift transmission: A fully synchronized 8-speed transmission for seamless gear changes.
- Synchro-Range transmission: An 8-speed manual transmission.
What makes the John Deere 4020 a popular tractor?
The 4020 is valued for its:
- Strong resale value.
- Durability and reliability.
- Comfortable operator platform.
- Advanced hydraulics and ease of use.
What are the common maintenance requirements for the 4020?
Routine maintenance includes:
- Checking and maintaining hydraulic fluid levels.
- Regular oil and filter changes.
- Inspecting and replacing worn belts and hoses.
- Monitoring tire pressure and wear.
How much does a John Deere 4020 cost today?
Generally, prices range from $10,000 to $25,000, with restored models commanding higher prices.
Related Posts:
