8520T by John Deere
2002 - 2005
Series:
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Agricultural Crawler tractor |
Production
| Production | |
| Manufacturer: | John Deere |
| Type: | Agricultural Crawler tractor |
| Factory: | Waterloo, Iowa, USA |
Variants
| Variants | |
| 8420: | wheeled tractor |
| 8420T: | crawler |
John Deere 8420T Power
| John Deere 8420T 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): | 205.84 hp 153.5 kW |
| PTO (tested): | 270.62 hp 201.8 kW |
| power test details ... | |
John Deere 8420T Engine
| John Deere 8420T Engine | |
| John Deere 8.1L 6-cyl diesel | |
| Engine details ... |
Mechanical
| Mechanical | |
| Chassis: | crawler |
| Steering: | electro-hydraulic power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard. |
| Transmission: | 16-speed full power shift |
| Transmission details ... | |
Capacity
| Capacity | |
| Fuel: | 130 gal 492.1 L |
| Hydraulic system: | 65 gal 246.0 L |
Hydraulics
| Hydraulics | |
| Type: | closed center pressure flow compensated (PFC) |
| Capacity: | 65 gal 246.0 L |
| Pressure: | 2900 psi 200.0 bar |
| Valves: | 5 |
| Pump flow: | 30 gpm 113.6 lpm |
| Total flow: | 33.5 gpm 126.8 lpm |
| 42.5 gpm 160.9 lpm (optional) | |
Tractor hitch
| Tractor hitch | |
| Rear Type: | III/IIIN |
| Rear lift: | 15,180 lbs 6885 kg |
Power Take-off (PTO)
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 (1-3/4) |
Dimensions & Tracks
| Dimensions & Tracks | |
| Wheelbase: | 89 inches 226 cm |
| 120 inches 304 cm (wide track opt) | |
| Weight: | 25950 to 26380 pounds |
| 16-inch tracks | |
| Full dimensions and tracks ... | |
8420T Serial Numbers
| 8420T Serial Numbers | |
| Location: | Rear of tractor |
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 8520T Power
227.4 kW
220.0 kW
249.8 kW
190.2 kW
163.5 kW
217.5 kW
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Agricultural Crawler tractor |
Series:
| Series: | 8420T ← | 8520T |
OCED Tractor Test 1802
| OCED Tractor Test 1802 | |||
| | |||
OCED Tractor Test 1802
| OCED Tractor Test 1802 | |
| Diesel 16-speed crawler Link: OCED Tractor Test 1802 file | |
| PTO performance | |
| Max power: | 291.67 hp 217.5 kW |
| Fuel use: | 16.0 gal/hour 60.6 l/hour |
| Power at rated engine speed: | 255.96 hp 190.9 kW |
| Fuel use: | 14.9 gal/hour 56.4 l/hour |
| Drawbar performance | |
| Max power: | 219.23 hp 163.5 kW |
| Fuel use: | 14.9 gal/hour 56.4 l/hour |
| Gear 9 used for power test. | |
| Max pull: | 27,960 lbs 12682 kg |
| Gear 5 used for pull test. | |
John Deere 8520T Engine
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Agricultural Crawler tractor |
Series:
| Series: | 8420T ← | 8520T |
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 |
| 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: | 22.7 qts 21.5 L |
| Oil change: | 250 h |
Mechanical
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Agricultural Crawler tractor |
Series:
| Series: | 8420T ← | 8520T |
Transmission
| Transmission | |
| Transmission: | John Deere PowerShift |
| Type: | full power shift |
| Gears: | 16 forward and 4 reverse |
| Oil capacity: | 260 qts 246.1 L |
Speeds
| Speeds | |
| Fourth reverse at 1600 RPM. | |
Capacity
492.1 L
246.0 L
Hydraulics
246.0 L
200.0 bar
113.6 lpm
126.8 lpm
160.9 lpm (optional)
Tractor hitch
6885 kg
Power Take-off (PTO)
Dimensions & Tracks
226 cm
304 cm (wide track opt)
2002 - 2005
| 2002 - 2005 |
| 8020 Series |
| Agricultural Crawler tractor |
Series:
| Series: | 8420T ← | 8520T |
John Deere 8520T Tracks
| John Deere 8520T Tracks | |
| Size: | 16-inch tracks |
| Option: | 18-inch tracks |
| 24-inch tracks | |
| 30-inch tracks | |
Dimensions
| Dimensions | |
| Wheelbase: | 89 inches 226 cm |
| 120 inches 304 cm (wide track opt) | |
| Length: | 207 inches 525 cm |
| 219.6 inches 557 cm (with front weights) | |
| Width: | 103.7 inches 263 cm (min) |
| 150 inches 381 cm (max) | |
| Height (cab): | 122.9 inches 312 cm |
| Clearance (rear axle): | 21.7 inches 55 cm |
| Clearance (drawbar): | 17.7 inches 44 cm |
John Deere 8520T Weight
| John Deere 8520T Weight | |
| Shipping: | 25,950 lbs 11770 kg |
| Operating: | 27,280 lbs 12374 kg |
| Ballasted: | 30,895 lbs 14013 kg |
| Max capacity: | 31,500 lbs 14288 kg |
8520T Serial Numbers
Electrical
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