John Deere 3020
Production ended · 2WD
- Engines
- 3 Gasoline · Diesel · LP gas
Power
Power specifications| Engine | no record |
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| PTO | 70 hp claimed; Syncro-Range |
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| PTO, tested | 71.3 hp |
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| Drawbar | 57 hp claimed |
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| Drawbar, tested | 63.1 hp |
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| Listed power | 77 hp PTO basis |
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Engines
Engines fitted to the John Deere 3020| John Deere 3.7L 4-cyl gasolineGasoline · 4 cyl | 227 ci |
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| John Deere 4.4L 4-cyl dieselDiesel · 4 cyl | 270 ci |
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| John Deere 3.7L 4-cyl LP gasLP gas · 4 cyl | 227 ci |
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Engine details
- John Deere 3.7L 4-cyl gasoline
- Bore × stroke
- 4.25 in × 4 in
- Rated speed
- 2,500 rpm
- Compression
- 7.5:1
- Cooling
- liquid-cooled inline
- Firing order
- 1-3-4-2
- John Deere 4.4L 4-cyl diesel
- Bore × stroke
- 4.25 in × 4.75 in
- Rated speed
- 2,500 rpm
- Compression
- 16.5:1
- Cooling
- liquid-cooled inline
- Firing order
- 1-3-4-2
- John Deere 3.7L 4-cyl LP gas
- Bore × stroke
- 4.25 in × 4 in
- Rated speed
- 2,500 rpm
- Compression
- 9.0:1
- Cooling
- liquid-cooled inline
- Firing order
- 1-3-4-2
Transmissions
Transmissions for the John Deere 3020| John Deere Syncro-Rangepartially synchronized | 8F / 2R |
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| John Deere Powershiftfull power shift | 8F / 4R |
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Weight
Weight specifications| Weight | 7,695 lb operating |
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| Shipping | 7,139 lb |
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| Ballasted | 9,585 lb |
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Dimensions
Dimensions specifications| Wheelbase | 90 in |
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| Length | 138.5 in |
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| Width | 89.6 in |
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| Rear tread, narrowest | 60 in |
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| Rear tread, widest | 91 in |
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Capacities
Capacities specifications| Fuel tank | 29 gal |
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| Hydraulic system | 8 gal |
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Hydraulics
Hydraulics specifications| System | closed center |
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| Pump flow | no record |
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| Total flow | 14 gpm |
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| Remote valve flow | 6 gpm |
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| Pressure | 2,100 psi |
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| Remote valves | 1 |
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Hitch
Hitch specifications| Rear hitch category | II |
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| Rear lift capacity | no record |
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PTO
PTO specifications| Rear PTO | independent |
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| Rear PTO speeds | 540/1000 (1.375) |
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| Mid PTO speeds | 1000 |
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| Engine rpm at PTO speed | 540@2100 |
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Chassis
Chassis specifications| Drive | 2WD |
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| Steering | power assist |
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| Brakes | Differential hydraulic wet disc brakes |
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| Differential lock | mechanical rear |
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| Final drives | planetary |
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| Cab | Open operator station |
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Tires
Tires specifications| Front | 6.00-16 |
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| Rear | 13.6-38 |
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Electrical
Electrical specifications| System voltage | 12 V |
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| Batteries | 1 (12V) |
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| Charging | generator |
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| Ground | positive (12V) |
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Production
Production specifications| Total built | 74,463 |
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| Price new | $10,000 (1972) |
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| Factories | Waterloo, Iowa, USA; Mexico |
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| Built by | John Deere |
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