This page provides a detailed comparison of the specifications for the John Deere 990 and the Yanmar EX450.
| John Deere 990 | Yanmar EX450 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | Yanmar | Yanmar |
| Engine Model | 4TNE84 | Yanmar |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | Natural | Naturally aspirated |
| Engine Cylinders | 4 | 4 |
| Engine Displacement Value | 122 ci (2.0 L) | 134 ci (2.2 L) |
| Engine Rated Rpm | 2700 | 2700 |
| Engine Power Output Value | 40 hp (30.1 kW) | 45 hp (33.6 kW) |
| Transmission | ||
| Transmission Type | Partially synchronized | Synchronized shuttle |
| Transmission Forward Gears | 9 | 9 |
| Transmission Reverse Gears | 3 | 9 |
| Dimensions | ||
| Length Value | 122.8 | 126.8 |
| Width Value | 83.9 | 71.7 |
| Operating Weight Value | 2594 lb (1177 kg) | 3499 lb (1587 kg) |
| Miscellaneous | ||
| Chassis | - | 4x4 MFWD 4WD |
| Drive Type | - | 4WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | Three-Point Hitch | Three-Point Hitch |
| Hitch Category | I | I |
| Hitch Position | - | Rear |
| Hitch Capacity Value | 1572 lb (713 kg) | 2464 lb (1118 kg) |
| Hydraulic System Type | Open center | Open center |
| Operator Station Type | Open with ROPS | Two-post ROPS |
| Starter Type | Electric | Electric |
