This page provides a detailed comparison of the specifications for the John Deere 3020 and the Oliver 1850. 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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John Deere 3020
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Oliver 1850
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| Images | ||
| Engine | ||
| Engine - Manufacturer | John Deere | Waukesha-Oliver or Perkins |
| Engine - Model | John Deere | - |
| Engine - Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine - Cylinder Orientation | - | - |
| Engine - Valve Configuration | - | - |
| Engine - Fuel Type | Gasoline / Diesel / LP-gas | Gasoline, LP gas, or Diesel |
| Engine - Induction Type | - | - |
| Engine - Cylinders | 4 | 6 |
| Engine - Displacement (ci) | 227.0 | 310 or 354 |
| Engine - Bore (in) | 4.25 | 3.875 (Gas/LP-gas), 3.88 (Diesel) |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | - | 2400 |
| Engine - Power Output (hp) | - | 92.44 |
| Transmission | ||
| Transmission - Type | Partially synchronized with dry disc clutch / Full power shift with hydraulic wet disc clutch | Unsynchronized gear or Partial powershift or Partial power shift |
| Transmission - Forward Gears | 8 | 6 or 12 or 18 |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | - | - |
| Dimensions | ||
| Length (in) | 138.2 | 159.4 (2WD), 152.5 (4WD) |
| Width (in) | 89.4 | 86.2 |
| Height (in) | 87.4 | 78.3 |
| Operating Weight (lb) | 7,695 / 9,495 | 8965 to 10965 (depending on configuration) |
| Miscellaneous | ||
| Chassis | 4x2 2WD | - |
| Drive Type | 2WD | 4x2 2WD or 4x4 MFWD 4WD |
| Steering Type | Power Assist | Power assist |
| Coolant Capacity (qts) | - | 20 |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | - | - |
| Rear Tire Diameter (in) | - | - |
| Rear Tire Width (in) | - | - |
| Front/Rear Rim Diameter (in) | - | - |
| Tire Type | Agricultural | Ag |
| Manufacture - End Year | 1968 | 1969 |
| Hitch Type | - | Three-Point Hitch |
| Hitch Category | - | - |
| Hitch Position | - | Rear |
| Hitch Capacity (lb) | - | 5998 lbs |
| Operator Station Type | Open | Open operator station or Oliver Continental Cab (optional) |
| Starter Type | Electric | Electric |
| PTO Type | Independent | Independent |
| PTO Speed 1 (rpm) | 540 / 1000 | 540 |
| PTO Speed 2 (rpm) | 1000 | 1000 |
| PTO Speed 3 (rpm) | - | 540/1000 |
| Brake Type | Differential hydraulic wet disc | Differential disc |
| Hydraulic System Type | Closed Center | Open center |
