This page provides a detailed comparison of the specifications for the David Brown 1390 and the John Deere 2850. The specifications are categorized into four main sections: Engine, Transmission, Dimensions, and Miscellaneous. By comparing these two tractors side by side, you can easily identify the similarities and differences between them and determine which one best suits your needs.
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David Brown 1390
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John Deere 2850
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| Images | No images available | |
| Engine | ||
| Engine - Manufacturer | J.I. Case | John Deere |
| Engine - Model | 1390 | 4239TL |
| Engine - Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine - Cylinder Orientation | - | - |
| Engine - Valve Configuration | - | - |
| Engine - Fuel Type | Diesel | Diesel |
| Engine - Induction Type | - | - |
| Engine - Cylinders | 4 | 4 |
| Engine - Displacement (ci) | 219 | 239 |
| Engine - Bore (in) | 3.94 | 4.19 |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | 2200 | 2300 |
| Engine - Power Output (hp) | 60.8 | 86 |
| Transmission | ||
| Transmission - Type | Synchromesh | Two-speed power shift |
| Transmission - Forward Gears | 12 | 16 |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | - | Unknown (Total not explicitly stated, but usually it's simply the sum of forward and reverse gears if not otherwise specified) |
| Dimensions | ||
| Length (in) | 134.6 | 167.1 |
| Width (in) | - | 81.4 |
| Height (in) | 87.8 | 100.3 |
| Operating Weight (lb) | 5501 | 7694 for 2WD, 8653 for 4WD |
| Miscellaneous | ||
| Chassis | 4x2 2WD | 4x2 2WD or 4x4 4WD |
| Drive Type | 2WD | 2WD or 4WD (assumed from wheelbase and tire info) |
| Steering Type | Hydrostatic Power | Power |
| Coolant Capacity (qts) | 14.8 | - |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | 7.5 | Unknown (Size 10.00-16 doesn't specify width) |
| Rear Tire Diameter (in) | - | Unknown (Not enough data to assume diameter from size) |
| Rear Tire Width (in) | 16.9 | Unknown (Size 14.9R38 doesn't specify width) |
| Front/Rear Rim Diameter (in) | - | Unknown (cannot assume rim diameter from tire size) |
| Tire Type | Ag | Standard tires (ag) |
| Manufacture - End Year | 1984 | - |
| Hitch Type | II/I | II |
| Hitch Category | - | - |
| Hitch Position | Rear | Rear |
| Hitch Capacity (lb) | - | - |
| Operator Station Type | Two-post ROPS or Cab (optional) | Cab (assumed from 'Height (cab)') |
| Starter Type | Electric | Electric |
| PTO Type | Rear PTO | - |
| PTO Speed 1 (rpm) | 540 | - |
| PTO Speed 2 (rpm) | 1000 | - |
| PTO Speed 3 (rpm) | - | - |
| Brake Type | Mechanical Drum | - |
| Hydraulic System Type | Open Center | Closed center constant pressure |
