John Deere’s 4840 tractor is a workhorse that can handle most any agricultural task. With a 6-cylinder engine and automatic gearbox, this machine makesdtowing, planting, and harvesting a breeze. The 4840 also has plenty of options for customization, making it the perfect tool for any farmer.
John Deere 4840 Specifications:
| MANUFACTURER: | john deere |
| MODEL: | 4840 |
| AG front tires | 10.00-16 |
| Width | 96 in.[243 cm] |
| Wheelbase | 118.5 in.[300 cm] |
| Weight | 14,900 lbs or 6758 kg |
| Turning radius | 14.7 feet [4.5 m] |
| Rear tread size | 60 to 131.5 inches |
| Length | 177 in.[449 cm] |
| Height | 117 in.[297 cm] |
| Ground clearance | – |
| Front tread size | 58 to 100 inches |
| AG rear tires | 24.5-32 |
| Displacement | 466 ci or 7.6 L |
| Coolant capacity | 40 qts |
| Company country | United states |
| Bore/Stroke | 116 x 121 mm |
| engine | John Deere turbocharged intercooled diesel 6-cylinder liquid-cooled |
| Fuel | diesel |
| Number of Cylinders | Six |
| Operating RPM | 1500-2200 |
| Pre-heating | ether injection |
| Production years | From 1978 Until 1982 |
| Starter volts | 12v |
| Tractor type | Row Crop tractor |
| Air Cleaner | Dual dry element |
| Aspiration | Turbocharged |
| Compression | 15.5:1 |
| Engine Bore | 4.56 (116.0) in (mm) |
| Engine Stroke | 4.75 (121.0) in (mm) |
| Firing Order | 1-5-3-6-2-4 |
| Rated Engine Speed | 2200 rpm |
| Rated Engine Power | 200.0 (148.1) hp (kW) |
| Idle Speed | 800-2400 rpm |
| Fuel Tank Capacity | 103.0 (390.0) gal (L) |
| Fuel System | Direct injection |
| Transmission Type | Power Shift |
| Number of Reverse Gears | 4 |
| Number of Forward Gears | 8 |
| Number of batteries | 2 |
| Gearbox Type | 8F/4R, Full powershift |
| Electrical System Rating, Volts | 12 |
| Electric ground force | negative |
| Electric charging system | alternator |
| Clutch Type | Wet disc |
| Battery voltage | 6 V |
| Alternator Rating, Amps | 90 |
| Rear lift | 8,295 lbs |
| Oil tank capacity | 80 qts or 75.7 L |
| Oil Capacity | 66.3 (62.5) qts (L) |
| Maximum Reverse Speed | 6.4 (10.3) mph (kph) |
| Maximum Forward Speed | 18.6 (29.9) mph (kph) |
| Rear Type | III,IIIN |
| Transmission gears | 8 forward and 4 reverse |
| Transmission system | John Deere PowerShift |
| Steering System | Power Steering |
| Rear Tire Size (Opt) | 18.4-42 |
| Rear Tire Size | 18.4-38 (Std) |
| Pump flow rate | 23 gpm or 87.1 lpm |
| Number of valves | 2 or 3 |
| Hydraulic tank capacity | 16.5 gal or 62.5 L |
| Hydraulic system | closed center |
| Front Tread Width | 58-100 (1470-2540) in (mm) |
| Front Tire Size (Opt) | 16.5L-16.1 |
| Brakes Type | Differential hydraulic wet disc |
| Front Tire Size | 11.0-16 (Std) |
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John Deere 4840 is a great tractor for the farm. It has many features that make it a great choice, such as its powerful engine and comfortable ride. If you are in the market for a new tractor, JD 4840 should be at the top of your list.
