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| info | |
| Series: | → 4320, |
| Production | |
| Manufacturer: | John Deere |
| Type: | 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: | $10,345 (1972 ) |
| Variants | |
| 4020: | row-crop |
| 4020S: | standard |
| 4020HC: | high-crop |
| 600: | industrial |
| John Deere 4020 Power | |
| Drawbar (tested): | 83.79 hp 62.5 kW |
| PTO (tested): | 95.83 hp 71.5 kW |
| Mechanical | |
| Chassis: | 4x2 2WD, 4x4 HFWD 4WD*Front-wheel assist was optional after 1969. |
| Differential lock: | mechanical rear*Optional |
| Steering: | power |
| Brakes: | hydraulic wet disc |
| Cab: | Open operator station. Cab optional. |
| Transmissions: | 8-speed partially synchronized, 8-speed full power shift |
| 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 |
| Hydraulics | |
| Type: | closed center |
| Syncro-Range Capacity: | 10 gal 37.9 L |
| Power Shift Capacity: | 12 gal 45.4 L |
| Pressure: | 2250 psi 155.1 bar |
| Valves: | 1 |
| SCV flow: | 6 gpm 22.7 lpm |
| Total flow: | 18 gpm 68.1 lpm (early) |
| Tractor hitch | |
| Rear Type: | II |
| Rear lift: | 3790 lbs 1719 kg |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 540/1000, 1000 |
| Engine RPM: | 1000@1900 |
| Front PTO: | independent |
| Front RPM: | 1000 |
| Dimensions & Tires | |
| Row crop Wheelbase: | 97.5 inches 247 cm |
| Standard Wheelbase: | 100.25 inches 254 cm |
| Weight: | 8225 to 9560 pounds |
| Front tire: | 6.00-16 |
| Rear tire: | 15.5-38 |
| 4020 Serial Numbers | |
| Location: | Serial number plate on the rear of the 4020 transmission case. |
| 1964: | 65000 |
| 1965: | 91000 |
| 1966: | 119000 |
| 1967: | 145660 |
| 1968: | 173982 |
| 1969: | 201000 |
| 1970: | 222160 |
| 1971: | 250000 |
| 1972: | 260791 |
| Final: | 270288 |
| Electrical | |
| Ground: | positive (1964-1969), negative (1969-1972), floating (24V) |
| Charging system: | Motorola alternator |
| Charging amps: | 55 |
| 24V Batteries: | 2 |
| 12V Batteries: | 1 |
| Battery volts: | 12 |
| Battery AH: | 75 |
| info | |
| Series: | → 4320, |
| Engines overview | |
| John Deere 6.6L 6-cyl diesel, John Deere 5.6L 6-cyl gasoline, John Deere 5.9L 6-cyl gasoline, John Deere 5.9L 6-cyl LP gas |
| Engine Detail | |
| John Deere, LP gas, 6-cylinder 12-valve, liquid-cooled inline | |
| Displacement: | 362 ci 5.9 L |
| Bore/Stroke: | 4.25x4.25 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 |
| Engine Oil | |
| Oil capacity: | 9 qts 8.5 L |
| info | |
| 303 Special |
| Transmissions overview | |
| 8-speed partially synchronized, 8-speed full power shift |
| Transmission | |
| Transmission: | John Deere Power Shift |
| Type: | full power shift |
| Gears: | 8 forward and 4 reverse |
| Oil capacity: | 68 qts 64.4 L |
| Power Shift allows shift-on-the-move between gears without clutching. | |
| Speeds | |
| Row-crop tractor with 15.5-38 rear tires., |
| info | |
| Series: | → 4320, |
| 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 |
| Rear axle: | Extra long axle: 3.375 by 112 inches 85 by 2844 mm |
| Front tread: | 48.5 to 82.25 inches 123 to 208 cm |
| Rear tread: | 67 to 105 inches 170 to 266 cm (extra long axle) |
| John Deere 4020 Weight | |
| Shipping: | 8,436 lbs 3826 kg (diesel syncro), 8,225 lbs 3730 kg (gas syncro), 8,319 lbs 3773 kg (LP syncro) |
| Operating: | 8,645 lbs 3921 kg (gas syncro), 8,945 lbs 4057 kg (diesel syncro), 9,240 lbs 4191 kg (gas powershift), 9,560 lbs 4336 kg (diesel powershift) |
| Ballasted: | 13,980 lbs 6341 kg *Diesel Powershift with 18.4-34 rear tires with fluid plus front and rear cast iron weights. |
| 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 |
| info | |
| Series: | → 4320, |
| John Deere 148 Loader | |
| Loader weight: | 1350 lbs 612 kg |
| Height (to pin): | 126 inches 320 cm |
| Clearance, dumped bucket: | 102 inches 259 cm |
| Dump reach: | 32 inches 81 cm |
| Dump angle: | 38° |
| Clearance, level bucket: | 121 inches 307 cm |
| Rollback angle: | 11° |
| Breakout force (lift): | 4700 lbs 2131 kg |
| Lift to full height (at pin): | 3100 lbs 1406 kg |
| Bucket capacity: | 0.5 cu yd 0.4 cu m, 0.6 cu yd 0.5 cu m, 0.8 cu yd 0.6 cu m, 0.9 cu yd 0.7 cu m |
| Bucket width: | 60 inches 152 cm, 72 inches 182 cm, 84 inches 213 cm, 96 inches 243 cm |
| John Deere 158 Loader | |
| Loader weight: | 1771 lbs 803 kg |
| Height (to pin): | 156 inches 396 cm |
| Clearance, dumped bucket: | 132 inches 335 cm |
| Dump reach: | 32 inches 81 cm |
| Dump angle: | 37° |
| Clearance, level bucket: | 151 inches 383 cm |
| Rollback angle: | 12° |
| Breakout force (lift): | 5000 lbs 2268 kg |
| Lift to full height (at pin): | 3800 lbs 1723 kg |
| Bucket capacity: | 0.5 cu yd 0.4 cu m, 0.6 cu yd 0.5 cu m, 0.8 cu yd 0.6 cu m, 0.9 cu yd 0.7 cu m |
| Bucket width: | 60 inches 152 cm, 72 inches 182 cm, 84 inches 213 cm, 96 inches 243 cm |
| John Deere 48 Loader | |
| Height (to pin): | 126 inches 320 cm |
| Clearance, dumped bucket: | 104 inches 264 cm |
| Dump reach: | 26 inches 66 cm |
| Dump angle: | 39° |
| Reach at ground: | 68 inches 172 cm |
| Breakout force (lift): | 3600 lbs 1632 kg |
| Lift to full height (at pin): | 2400 lbs 1088 kg |
| Bucket width: | 60 inches 152 cm, 72 inches 182 cm |