Production | |
| Manufacturer: | John Deere |
| Type: | Row-Crop tractor |
| Factory: | Waterloo, Iowa, USA |
John Deere 7920 Power | |
| PTO (claimed): | 170 hp 126.8 kW |
| Drawbar (tested): | 146.06 hp 108.9 kW |
| PTO (tested): | 192.77 hp 143.7 kW |
Mechanical | |
| Chassis: | 4x4 MFWD 4WD |
| Steering: | hydrostatic power |
| Brakes: | hydraulic wet disc |
| Cab: | Cab standard. |
| Transmission: | infinitely variable transmission |
Capacity | |
| Fuel: | 103.5 gal 391.7 L |
| 94.7 gal 358.4 L (With right step)) | |
| Hydraulic system: | 28.5 gal 107.9 L |
| Front axle: | 15.2 qts 14.4 L |
| Front hubs: | 2 qts 1.9 L |
| HD Front hubs: | 4 qts 3.8 L |
Hydraulics | |
| Type: | closed-center pressure-flow compensated (PFC) |
| Capacity: | 28.5 gal 107.9 L |
| Pressure: | 3046 psi 210.0 bar |
| Valves: | 7 |
| Pump flow: | 32.2 gpm 121.9 lpm |
| SCV flow: | 30 gpm 113.6 lpm |
Tractor hitch | |
| Rear Type: | 3/3N |
| Rear lift: | 10,050 lbs 4558 kg |
| 14,000 lbs 6350 kg (optional) | |
Power Take-off (PTO) | |
| Rear PTO: | independent |
| Clutch: | hydraulic wet discs |
| Rear RPM: | 540/1000 (1.375) |
| 1000 (1.75) | |
| Engine RPM: | 540@1950 1000@1950 |
7920 Serial Numbers | |
| Location: | On tractor frame, front right-hand side. |
Electrical | |
| Ground: | negative |
| Charging system: | alternator |
| Charging amps: | 150 |
| Batteries: | 2 |
| Battery CCA: | 925 |
| Battery volts: | 12 |
Engine Detail | |
| John Deere | |
| turbocharged intercooled diesel | |
| 6-cylinder | |
| liquid-cooled inline | |
| Displacement: | 496 ci 8.1 L |
| Bore/Stroke: | 4.56x5.06 inches 116 x 129 mm |
| Maximum Power (ECE R24): | 215 hp 160.3 kW |
| Air cleaner: | dual paper elements |
| Compression: | 16.5:1 |
| Rated RPM: | 2100 |
| Idle RPM: | 875-2200 |
| Starter volts: | 12 |
| Oil capacity: | 25.4 qts 24.0 L |
| Coolant capacity: | 33.8 qts 32.0 L |
Transmission | |
| Transmission: | AutoPowr IVT |
| Type: | infinitely variable transmission |
| Gears: | infinite forward and reverse |
| Hydro-mechanical IVT controlled via right-hand speed lever and left-hand reverser lever. Knob on the speed lever adjusts the set speeds for two ranges. Minimum speed of 50 meters per hour (164 feet per hour). | |
Dimensions | |
| Wheelbase: | 112.6 inches 286 cm |
| Length: | 212.2 inches 538 cm |
| 240.4 inches 610 cm (with front weights) | |
| Width: | 96 inches 243 cm (short axle) |
| 118 inches 299 cm (long axle) | |
| Height (cab): | 125.4 inches 318 cm |
| Clearance (front axle): | 22.3 inches 56 cm |
| Clearance (rear axle): | 16.3 inches 41 cm |
| Rear axle: | 3.622 by 96 inches 91 by 2438 mm |
| Rear axle: | 3.622 by 110.5 inches 91 by 2806 mm |
| Rear axle: | 3.622 by 118 inches 91 by 2997 mm |
| Rear axle: | 3.937 by 96 inches 99 by 2438 mm |
| Rear axle: | 3.937 by 110.5 inches 99 by 2806 mm |
| Rear axle: | 3.937 by 118 inches 99 by 2997 mm |