John Deere 4840 Row-Crop tractor Technical Specifications
John Deere 4840 is a Row-Crop tractor that was produced by the John Deere between 1978 – 1982.
Below you will find detailed technical specifications for John Deere 4840 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.
John Deere 4840 Production
| Manufacturer: | |
| Manufacturer | John Deere |
| Row-Crop tractor | |
| Built in Waterloo, Iowa, USA | |
| Original price was $57,648 in 1982 | |
| Engine: | 151.21 hp 112.8 kW |
| PTO (tested) | 180.63 hp 134.7 kW |
John Deere 4840 Electrical
| Ground | negative |
| Charging system | alternator |
| Batteries | 2 |
| Battery volts | 6 |
John Deere 4840 Mechanical
| Two-wheel drive | |
| Differential lock | pedal-actuated hydraulic |
| Power steering | |
| Differential hydraulic wet disc brakes | |
| Sound-Gard cab. | |
Capacity
| Fuel | 103 gal 389.9 L |
| Hydraulic system | 16.5 gal 62.5 L |
Hydraulics
| Type | closed center |
| Capacity | 16.5 gal 62.5 L |
| Valves | 2 or 3 |
| Pump flow | 23 gpm 87.1 lpm |
Tracktor Hitch
| Rear Type | III/IIIN |
| Rear lift | 8295 lbs 3762 kg |
Power Take-off (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 (1.75) |
Title serial numbers
| 1978 | 1000 |
| 1979 | 4233 |
| 1980 | 7539 |
| 1981 | 11042 |
| 1982 | 14933 |
FAQ: How to read a serial number table. | |
What year is my John Deere 4840? Serial Number Decoder
The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.
The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.
John Deere 4840 Engine detail
| Engine Detail | |
| John Deere | |
| turbocharged intercooled diesel | |
| 6-cylinder | |
| liquid-cooled | |
| Displacement | 466 ci 7.6 L |
| Bore/Stroke | 4.5625×4.75 inches 116 x 121 mm |
| Air cleaner | dual paper elements |
| Pre-heating | ether injection |
| Compression | 15.5:1 |
| Rated RPM | 2200 |
| Idle RPM | 800-2400 |
| Operating RPM | 1500-2200 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Coolant capacity | 40 qts 37.9 L |
| Engine Oil | |||
| Transmission | John Deere PowerShift |
| Type | full power shift |
| Gears | 8 forward and 4 reverse |
| Oil capacity | 80 qts 75.7 L |
| Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work. | |
John Deere 4840 Dimensions
| Wheelbase | 118.5 inches 300 cm |
| Length | 177 inches 449 cm |
| Width | 96 inches 243 cm |
| 108 inches (long axle) 274 cm | |
| 118 inches (long axle) 299 cm | |
| Height (cab) | 117 inches 297 cm |
| Clearance (front axle) | 26 inches 66 cm |
| Clearance (rear axle) | 28 inches 71 cm |
| Clearance (drawbar) | 14.9 inches 37 cm |
| Rack-and-pinion rear axle | 3.937 by 96 inches 99 by 2438 mm |
| Rack-and-pinion rear axle | 3.937 by 108 inches 99 by 2743 mm |
| Rack-and-pinion rear axle | 3.937 by 118 inches 99 by 2997 mm |
| Front tread | 58 to 100 inches 147 to 254 cm |
| Rear tread | 60 to 131.5 inches 152 to 334 cm |
| John Deere 4840 Weight | |
| Shipping | 14,900 lbs 6758 kg |
| Operating | 18,000 lbs 8164 kg |
| Ballasted | 20,370 lbs 9239 kg |
John Deere 4840 Tests
| Nebraska Tractor Test 1263 | |
| Diesel 8-speed 2WD November 2 – 12, 1977 Link: Nebraska Tractor Test 1263 file | |
| PTO performance | |
| Power at rated engine speed | 180.63 hp 134.7 kW |
| Fuel use | 11.5 gal/hour 43.5 l/hour |
| Power at rated PTO speed | 181.63 hp 135.4 kW |
| Fuel use | 11.5 gal/hour 43.5 l/hour |
| Drawbar performance | |
| Max power | 151.21 hp 112.8 kW |
| Fuel use | 11.3 gal/hour 42.8 l/hour |
| Gear 4 used for power test. | |
| Max pull | 17,307 lbs 7850 kg |
| Gear 2 used for pull test. | |
FAQ
Is John Deere 4840 a good tractor?
The John Deere 4840 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.
How much oil does a John Deere 4840 take?
Check out the John Deere 4840 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.
Do tractors have VIN numbers?
Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.
What was the last year John Deere made the 4840?
The John Deere 4840 was an agricultural tractor model made from 1978 – 1982
How much horsepower is a John Deere 4840?
The 4840 engine tested at 151.21 hp
112.8 kW drawbar and 180.63 hp
134.7 kW kW PTO horsepower.
How much does a John Deere 4840 tractor weight?
Depending on the engine type, the John Deere 4840 weight ranges from 14900 to 18000 pounds .
How much can a John Deere 4840 Pull?
The max pulling capacity of the John Deere 4840 tractors starts at 17,307 lbs
7850 kg but may be slightly higher depending on the trim.
How much can a John John Deere 4840 Lift?
John Deere 4840 tractor hitch is capable of lifting 8295 lbs
3762 kg.