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| info | |
| 2002 - 2007 9020 Series, Four-wheel Drive (4WD) tractor | |
| Previous model: | John Deere 9100 |
| Series next: | John Deere 9220 |
| Production | |
| Manufacturer: | John Deere |
| Factory: | Waterloo, Iowa, USA |
| Capacity | |
| Fuel: | 270 gal [1022.0 L] |
| Hydraulic system: | 27 gal [102.2 L], 28 gal [106.0 L] (with 3pt) |
| 3-Point Hitch | |
| Rear Type: | III, IV/IVN |
| Rear lift: | 13,871 lbs [6291 kg], 14,445 lbs [6552 kg] (optional) |
| Power Take-off (PTO) | |
| Rear PTO: | independent |
| Rear RPM: | 1000 |
| Dimensions & Tires | |
| Wheelbase: | 137.8 inches [350 cm] |
| Weight: | 30970 to 35375 pounds |
| Front tire: | 20.8R42 |
| Rear tire: | 20.8R42 |
| 9120 Serial Numbers | |
| Location: | On the top-left of rear hinge member |
| John Deere 9120 Power | |
| Engine: | 280 hp [208.8 kW] |
| PTO (claimed): | 230 hp [171.5 kW] |
| Drawbar (tested): | 226.02 hp [168.5 kW] |
| PTO (tested): | 244.57 hp [182.4 kW] |
| Mechanical | |
| Chassis: | 4x4 articulated 4WD |
| Steering: | hydrostatic articulated |
| Brakes: | hydraulic wet disc |
| Cab: | CommandView cab standard with air-conditioning. |
| Hydraulics | |
| Type: | closed center pressure/flow compensated |
| Capacity: | 27 gal [102.2 L], 28 gal [106.0 L] (with 3pt) |
| Pressure: | 2900 psi [200.0 bar] |
| Valves: | 4 or 5 |
| Pump flow: | 30 gpm [113.6 lpm] |
| Total flow: | 44 gpm [166.5 lpm], 48 gpm [181.7 lpm] (Powershift) |
| Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 140 |
| Battery | |
| Number: | 2 |
| Cold-cranking amps: | 925 |
| Volts: | 12 |
| info | |
| Bore/Stroke: | 4.56x5.06 inches [116 x 129 mm] |
| Power: | 280 hp [208.8 kW] |
| Air cleaner: | dry |
| Compression: | 16.0:1 |
| Rated RPM: | 2100 |
| Starter volts: | 12 |
| Oil capacity: | 28 qts [26.5 L] |
| Coolant capacity: | 55 qts [52.1 L] |
| Engine Detail | |
| John Deere, turbocharged diesel, 6-cylinder, liquid-cooled, 496 ci [8.1 L] |
| info | |
| Speeds: | With 20.8R42 tires. |
| Transmission | |
| Transmission: | John Deere PowerSync |
| Type: | partial power shift |
| Gears: | 24 forward and 6 reverse |
| Oil capacity: | 136 qts [128.7 L], 140 qts [132.5 L] (with PTO) |
| Four ranges (A-D) and three gears (1-3) with high-low power shift. Synchronized shifting between ranges A-B, B-C, and C-D. Gear shifts are synchronized between 1-R, 1-2, and 2-3. Reverse gear does not operate in D range. | |
| info | |
| Previous model: | John Deere 9100 |
| Series next: | John Deere 9220 |
| Dimensions | |
| Weight (shipping): | 30,970 lbs [14047 kg] |
| Weight (operating): | 35,375 lbs [16046 kg] (620/70R46 duals) |
| Wheelbase: | 137.8 inches [350 cm] |
| Length: | 274 inches [695 cm], 289 inches [734 cm] (with hitch) |
| Width: | 115.5 inches [293 cm] |
| Height (hood): | 97.5 inches [247 cm] |
| Height (cab): | 137.5 inches [349 cm] |
| Height (exhaust): | 140 inches [355 cm] |
| Clearance (front axle): | 26.8 inches [68 cm] |
| Clearance (drawbar): | 15 inches [38 cm] |
| John Deere 9120 Tires | |
| Ag front: | 20.8R42 |
| Ag rear: | 20.8R42 |