| Tractor Type | Row-Crop Tractor |
|---|---|
| Manufacturer | John Deere |
| Model | 4840 |
| Horsepower TOP | 199.8 HP (149.0 kW) |
| Weight TOP | 18000.7 lbs (8165.0 kg) |
| Lift Capacity TOP | 8289.4 lbs (3760.0 kg) |
| Transmission Type TOP | Full power shift |
| Length TOP | 176.8 in. (449.0 cm) |
| Pump Flow TOP | 23.0 GPM (87.1 LPM) |
| Years Made | 1978-1982 |
| Engine Model | John Deere |
| Engine Type | 4-stroke, liquid-cooled, inline |
| Fuel Type | Diesel |
| Cylinders | 6 |
| Horsepower | 199.8 HP (149.0 kW) |
| Displacement | 466.0 cu in. (7636 cc) |
| Bore | 4.57 in. (11.61 cm) |
| Stroke | 4.76 in. (12.09 cm) |
| Rear PTO Type | Independent |
| Rear PTO Speed | 1,000 RPM |
| Compression Ratio | 15.5:1 |
| Battery | Two 6V |
| Starter | Electric |
| Length | 176.8 in. (449.0 cm) |
| Height | 116.9 in. (297.0 cm) |
| Wheelbase | 118.1 in. (300.0 cm) |
| Fuel Tank Capacity | 103.0 gal (390.0 l) |
| Coolant Capacity | 10.0 gal (37.9 l) |
| Transmission Oil Capacity | 20.0 gal (75.7 l) |
| Hydraulic Capacity | 16.5 gal (62.5 l) |
| Transmission Type | Full power shift |
| Transmission Model | John Deere PowerShift |
| Gears | 8 forward and 4 reverse |
| Chassis | 4×2 2WD |
| Max. Travel Speed | Forward: 18.6 MPH (29.9 km/h) Reverse: 6.4 MPH (10.3 km/h) |
| Brakes | Differential hydraulic wet disc |
| Differential Lock | Pedal-actuated hydraulic |
| Drawbar Category | III/IIIN |
| Cabin Type | Sound-Gard Cab |
| Steering Type | Power |
| Front Tires | Ag: 11.00-16 |
| Rear Tires | Ag: 18.4-38 |
| Hydraulic Type | Closed center |
| Pump Flow | 23.0 GPM (87.1 LPM) |
| Valves | 2 or 3 |
| Lift Capacity | 8289.4 lbs (3760.0 kg) |
| Weight | 18000.7 lbs (8165.0 kg) |
John Deere 4840 Specs (Weight, Lift Capacity, Hp, Dimensions)
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