8520 by Deere
2002 - 2005
Series:
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Row-Crop tractor |
Production
| Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
Variants
| Variants | |
| 8420: | wheeled tractor |
| 8420T: | crawler |
John Deere 8420 Power
| John Deere 8420 Power | |
| Engine (gross): | 284 hp 211.8 kW |
| Engine (net): | 270 hp 201.3 kW |
| Engine (max): | 314 hp 234.1 kW |
| PTO (claimed): | 235 hp 175.2 kW |
| Drawbar (tested): | 207.49 hp 154.7 kW |
| PTO (tested): | 269.41 hp 200.9 kW |
| power test details ... | |
John Deere 8420 Engine
| John Deere 8420 Engine | |
| John Deere 8.1L 6-cyl diesel | |
| Engine details ... |
Mechanical
| Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Trailer brakes: | hydraulic*Optional |
| Cab: | Cab standard. |
| Transmission: | 16-speed full power shift |
| Transmission details ... | |
Capacity
| Capacity | |
| Fuel: | 160 gal 605.6 L |
| Hydraulic system: | 37 gal 140.0 L |
| ILS Hydraulic system: | 39.6 gal 149.9 L |
| Front hubs: | 3.6 qts 3.4 L |
| ILS Front hubs: | 4.2 qts 4.0 L |
| Front diff.: | 14.2 qts 13.4 L |
Hydraulics
| Hydraulics | |
| Type: | closed center pressure-flow compensated (PFC) |
| Capacity: | 37 gal 140.0 L |
| ILS Capacity: | 39.6 gal 149.9 L |
| Pressure: | 2900 psi 200.0 bar |
| Valves: | 4 to 5 |
| SCV flow: | 30 gpm 113.6 lpm |
| Total flow: | 33.5 gpm 126.8 lpm *With standard 45cc pump |
| 42.5 gpm 160.9 lpm *Optional 57cc pump | |
Tractor hitch
| Tractor hitch | |
| Rear Type: | III/IIIN |
| Rear lift: | 15180 lbs 6885 kg |
| 17300 lbs 7847 kg *Optional | |
| Front Hitch: | IIIN*Optional |
| Front lift: | 11000 lbs 4989 kg |
Power Take-off (PTO)
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | hydraulic wet discs |
| Rear RPM: | 1000 (1.75) |
| 540/1000 (1.375 optional) | |
| Engine RPM: | 540@1975 1000@2200 |
Dimensions & Tires
| Dimensions & Tires | |
| Wheelbase: | 118.9 inches 302 cm |
| 117.7 inches 298 cm (ILS) | |
| Weight: | 21650 to 23780 pounds |
| Front tire: | 16.9R30 |
| Rear tire: | 18.4R46 |
| Full dimensions and tires ... | |
8420 Serial Numbers
| 8420 Serial Numbers | |
| Location: | Serial number plate on rear of tractor. |
| 2002: | 1001 |
| 2003: | 10001 |
| 2004: | 20001 |
| 2005: | 30001 |
how to read serial numbers... | |
Electrical
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Batteries: | 2 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
Production
Variants
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Row-Crop tractor |
Series:
| Series: | 8420 ← | 8520 |
| 8530 ↓ |
Production
| Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
Variants
| Variants | |
| 8520: | wheeled tractor |
| 8520T: | crawler |
John Deere 8520 Power
| John Deere 8520 Power | |
| Engine (gross): | 305 hp 227.4 kW |
| Engine (net): | 295 hp 220.0 kW |
| Engine (max): | 335 hp 249.8 kW |
| PTO (claimed): | 255 hp 190.2 kW |
| Drawbar (tested): | 225.13 hp 167.9 kW |
| PTO (tested): | 292.88 hp 218.4 kW |
| power test details ... | |
John Deere 8520 Engine
| John Deere 8520 Engine | |
| John Deere 8.1L 6-cyl diesel | |
| Engine details ... |
Mechanical
| Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard. |
| Transmission: | 16-speed full power shift |
| Transmission details ... | |
Capacity
| Capacity | |
| Fuel: | 160 gal 605.6 L |
| Hydraulic system: | 39.6 gal 149.9 L |
| Front hubs: | 4.2 qts 4.0 L |
| Front diff.: | 14.2 qts 13.4 L |
Hydraulics
| Hydraulics | |
| Type: | closed center pressure-flow compensated (PFC) |
| Capacity: | 39.6 gal 149.9 L |
| Pressure: | 2900 psi 200.0 bar |
| Valves: | 5 |
| SCV flow: | 30 gpm 113.6 lpm |
| Total flow: | 33.5 gpm 126.8 lpm *With standard 45cc pump |
| 42.5 gpm 160.9 lpm *Optional 57cc pump | |
Tractor hitch
| Tractor hitch | |
| Rear Type: | III/IIIN |
| Rear lift: | 15180 lbs 6885 kg |
| 17300 lbs 7847 kg *Optional | |
| Front Hitch: | IIIN*Optional |
| Front lift: | 11000 lbs 4989 kg |
Power Take-off (PTO)
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | hydraulic wet discs |
| Rear RPM: | 1000 (1.75) |
| Engine RPM: | 1000@2200 |
Dimensions & Tires
| Dimensions & Tires | |
| Wheelbase: | 117.7 inches 298 cm |
| Weight: | 23050 to 23800 pounds |
| Rear tire: | 18.4R46 |
| Full dimensions and tires ... | |
8520 Serial Numbers
| 8520 Serial Numbers | |
| Location: | Rear of tractor. |
| 2002: | 1001 |
| 2003: | 10001 |
| 2004: | 20001 |
| 2005: | 30001 |
how to read serial numbers... | |
Electrical
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Batteries: | 2 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
John Deere 8520 Power
227.4 kW
220.0 kW
249.8 kW
190.2 kW
167.9 kW
218.4 kW
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Row-Crop tractor |
Series:
| Series: | 8420 ← | 8520 |
| 8530 ↓ |
OCED Tractor Test 1801
| OCED Tractor Test 1801 | |||
| | |||
OCED Tractor Test 1801
| OCED Tractor Test 1801 | |
| Diesel 16-speed 4WD May 2 - 31, 2002 Link: OCED Tractor Test 1801 file | |
| PTO performance | |
| Max power: | 292.88 hp 218.4 kW |
| Fuel use: | 16.1 gal/hour 60.9 l/hour |
| Power at rated engine speed: | 256.49 hp 191.3 kW |
| Fuel use: | 15.0 gal/hour 56.8 l/hour |
| Drawbar performance | |
| Max power: | 225.13 hp 167.9 kW |
| Fuel use: | 14.9 gal/hour 56.4 l/hour |
| Gear 8 used for power test. | |
| Max pull: | 35,611 lbs 16153 kg |
| Gear 3 used for pull test. | |
John Deere 8520 Engine
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Row-Crop tractor |
Series:
| Series: | 8420 ← | 8520 |
| 8530 ↓ |
Engine Detail
| Engine Detail | |
| John Deere | |
| turbocharged diesel | |
| 6-cylinder | |
| liquid-cooled inline | |
| Displacement: | 496 ci 8.1 L |
| Bore/Stroke: | 4.56x5.06 inches 116 x 129 mm |
| Rated Power (ECE R24): | 295 hp 220.0 kW |
| Rated Power (EC 97/98): | 305 hp 227.4 kW |
| Maximum Power (ECE R24): | 325 hp 242.4 kW |
| Maximum Power (EC 97/68): | 335 hp 249.8 kW |
| Fuel system: | electronic high-pressure common rail (HPCR) |
| Air cleaner: | dry with secondary element |
| Compression: | 16.5:1 |
| Rated RPM: | 2200 |
| Idle RPM: | 900-2300 |
| Operating RPM: | 1500-2200 |
| Starter volts: | 12 |
| Coolant capacity: | 35.9 qts 34.0 L |
Engine Oil
| Engine Oil | |
| Oil capacity: | 32.7 qts 30.9 L |
| Oil change: | 250 h |
Mechanical
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Row-Crop tractor |
Series:
| Series: | 8420 ← | 8520 |
| 8530 ↓ |
Transmission
| Transmission | |
| Transmission: | John Deere PowerShift |
| Type: | full power shift |
| Gears: | 16 forward and 4 reverse |
| Clutch: | hydraulic wet disc |
| Oil capacity: | 158.4 qts 149.9 L |
| Full power shift transmission with single shift lever with display on cab corner post. Tractor begins in 7 (forward) and 2 (reverse) on start up. Clutch pedal may be used to pre-select a gear by holding clutch and pressing lever until desired gear is reached. Automatic PowerShift (APS) allows automated shifting to match load. | |
Speeds
| Speeds | |
| With 18.4R46 rear tires. | |
Capacity
605.6 L
149.9 L
4.0 L
13.4 L
Hydraulics
149.9 L
200.0 bar
113.6 lpm
126.8 lpm *With standard 45cc pump
160.9 lpm *Optional 57cc pump
Tractor hitch
6885 kg
7847 kg *Optional
4989 kg
Power Take-off (PTO)
Dimensions & Tires
298 cm
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Row-Crop tractor |
Series:
| Series: | 8420 ← | 8520 |
| 8530 ↓ |
John Deere 8520 Tires
| John Deere 8520 Tires | |
| Ag rear: | 18.4R46 |
Dimensions
| Dimensions | |
| Wheelbase: | 117.7 inches 298 cm |
| Length: | 211.9 inches 538 cm |
| Height (cab): | 122.2 inches 310 cm |
| Front axle: | 4WD |
| Front axle: | Independent Link Suspension |
| Rear axle: | Rack-and-pinion: 4.724 by 118.5 inches 119 by 3009 mm |
| 4WD Front tread: | 60 to 80 inches 152 to 203 cm |
| ILS Front tread: | 60 to 88 inches 152 to 223 cm |
John Deere 8520 Weight
| John Deere 8520 Weight | |
| Shipping: | 23,050 lbs 10455 kg |
| Operating: | 23,800 lbs 10795 kg (480/80R46 duals) |
| Max Drawbar: | 4,900 lbs 2222 kg |
| 10,000 lbs 4536 kg (with HD support) | |
8520 Serial Numbers
how to read serial numbers...
Electrical
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