This page provides a detailed comparison of the specifications for the John Deere 3120 and the RK Tractors RK37H. 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 3120
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RK Tractors RK37H
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| Images | No images available | No images available |
| Engine | ||
| Engine - Manufacturer | Yanmar | Yanmar |
| Engine - Model | 3TNV84 | 3TNV88-CR |
| Engine - Cooling Type | Liquid-cooled | Liquid-cooled |
| Engine - Cylinder Orientation | - | - |
| Engine - Valve Configuration | - | - |
| Engine - Fuel Type | Diesel | Diesel |
| Engine - Induction Type | - | - |
| Engine - Cylinders | 3 | 3 |
| Engine - Displacement (ci) | 91.5 | 100.2 |
| Engine - Bore (in) | 3.31 | 3.39 |
| Engine - Stroke (in) | - | - |
| Engine - Rated RPM | 2600 | 3000 |
| Engine - Power Output (hp) | 29.5 | 37.4 |
| Transmission | ||
| Transmission - Type | Hydrostatic | Hydrostatic |
| Transmission - Forward Gears | Infinite (3-range) | Infinite (3-range) |
| Transmission - Reverse Gears | - | - |
| Transmission - Total Gears | Infinite (3-range) | - |
| Dimensions | ||
| Length (in) | 120.1 | 126 |
| Width (in) | 52.4 | 53.5 |
| Height (in) | 92.9 (ROPS) | 94.5 (ROPS) |
| Operating Weight (lb) | 2998 | 3106 |
| Miscellaneous | ||
| Chassis | 4x4 MFWD 4WD | 4x4 MFWD 4WD |
| Drive Type | 4WD | 4WD |
| Steering Type | Power | Power |
| Coolant Capacity (qts) | 5.6 | - |
| Front Tire Diameter (in) | - | - |
| Front Tire Width (in) | - | - |
| Rear Tire Diameter (in) | - | - |
| Rear Tire Width (in) | - | - |
| Front/Rear Rim Diameter (in) | - | - |
| Tire Type | Ag: 7-14 (Front), 11.2-24 (Rear), Other sizes vary for different tire types | Standard tires (ag): Front: 7-16, Rear: 11.2x24 | Lawn/turf front: 28x8.5-15, Lawn/turf rear: 41x14-20 | Industrial front: 10-16.5, Industrial rear: 43x16-20 |
| Manufacture - End Year | - | - |
| Hitch Type | - | Category 3 |
| Hitch Category | - | - |
| Hitch Position | - | Rear |
| Hitch Capacity (lb) | - | - |
| Operator Station Type | Open operator station with two-post ROPS | Open with ROPS |
| Starter Type | Electric | Electric |
| PTO Type | Independent | - |
| PTO Speed 1 (rpm) | 2100 (Middle PTO), 540 (Rear PTO) | - |
| PTO Speed 2 (rpm) | - | - |
| PTO Speed 3 (rpm) | - | - |
| Brake Type | Wet disc | - |
| Hydraulic System Type | Open center | - |
