This page provides a detailed comparison of the specifications for the John Deere 3320 and the John Deere 990.
| John Deere 3320 | John Deere 990 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Yanmar | Yanmar |
| Engine Model | 3TNV88 | 4TNE84 |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Naturally aspirated | Natural |
| Engine Cylinders | 3 | 4 |
| Engine Displacement Value | 99 ci (1.6 L) | 122 ci (2.0 L) |
| Engine Rated Rpm | 2600 | 2700 |
| Engine Power Output Value | 32 hp (24.2 kW) | 40 hp (30.1 kW) |
| Transmission | ||
| Transmission Type | Partially synchronized with power shuttle | Partially synchronized |
| Transmission Forward Gears | 12 | 9 |
| Transmission Reverse Gears | 12 | 3 |
| Dimensions | ||
| Length Value | 120.1 | 122.8 |
| Width Value | 52.4 | 83.9 |
| Operating Weight Value | 2900 lb (1315 kg) | 2594 lb (1177 kg) |
| Miscellaneous | ||
| Chassis | 4x4 MFWD 4WD | - |
| Drive Type | MFWD | - |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | I | I |
| Hitch Position | Rear | - |
| Hitch Capacity Value | 2536 lb (1150 kg) | 1572 lb (713 kg) |
| Hydraulic System Type | Open center | Open center |
| Operator Station Type | Two-post foldable ROPS | Open with ROPS |
| Starter Type | Electric | Electric |
