This page provides a detailed comparison of the specifications for the John Deere 3440 and the Zetor Proxima 6421.
| John Deere 3440 | Zetor Proxima 6421 | |
|---|---|---|
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| Engine | ||
| Engine Manufacturer | John Deere | Zetor |
| Engine Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine Fuel Type | Diesel | Diesel |
| Engine Induction Type | - | Turbocharged |
| Engine Cylinders | 6 | 4 |
| Engine Displacement Value | 359 ci (5.9 L) | 254 ci (4.2 L) |
| Engine Rated Rpm | 2200 | 2200 |
| Engine Power Output Value | 102 hp (76.1 kW) | 64 hp (47.7 kW) |
| Transmission | ||
| Transmission Type | Syncro-Range | Syncromesh with mechanical shuttle |
| Transmission Forward Gears | 8 | 12 |
| Transmission Reverse Gears | 2 | 12 |
| Dimensions | ||
| Length Value | 158.7 | 152 |
| Width Value | 94.1 | 73 |
| Operating Weight Value | 9140 lb (4146 kg) | 7240 lb (3284 kg) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 2WD |
| Drive Type | 2WD | 2WD |
| Front Tire Type | - | - |
| Rear Tire Type | - | - |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | - | Category 2/1 |
| Hitch Position | - | Rear |
| Hydraulic System Type | - | Open Center |
| Operator Station Type | Open operator station with ROPS | Both Open (ROPS) and Cab Configuration Available |
| Starter Type | Electric | 12 volt electric |
