Row CropPerformance profile
John Deere 4840
The John Deere 4840 is a powerful row crop tractor made from 1978 to 1982. It has a strong 6-cylinder diesel engine that makes 200 horsepower. This engine is turbocharged and intercooled, which helps it work hard in the fields. The tractor has a 2-wheel drive system and power steering, making it easy to control. It also has a full power shift transmission with 8 forward gears and 4 reverse gears, allowing farmers to choose the right speed for different jobs. This tractor is big and heavy, weighing 18,000 pounds. It has a three-point hitch at the back that can lift up to 8,290 pounds, which is very strong compared to other tractors. The John Deere 4840 also has a 1000 rpm PTO for running farm tools. It comes with a comfortable Sound-Gard Cab to keep the driver safe and cool. The tractor has special features like a differential lock and hydraulic brakes to help it work well in tough conditions. With its above-average engine power and weight, the John Deere 4840 is a reliable choice for farmers who need a strong tractor for big fields.
ManufacturerJohn DeerePower200 hpEngine6-cylTransFull power shift
Image not recorded
Quick specs
- Category
- Row Crop
- Engine Power Output
- 200hp
- Operating Weight
- 18,000 lb
- Transmission
- Full power shift
At a glance
How the 4840 compares
vs. Row Crop medianDistribution
Engine Power (hp)
Across all Row Crop tractors
200 hp · 77th
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The 4840 ranks at the 77th percentile for engine power among recorded row crop tractors.
Overview
About the John Deere 4840
The John Deere 4840 is a powerful row crop tractor made from 1978 to 1982. It has a strong 6-cylinder diesel engine that makes 200 horsepower. This engine is turbocharged and intercooled, which helps it work hard in the fields. The tractor has a 2-wheel drive system and power steering, making it easy to control. It also has a full power shift transmission with 8 forward gears and 4 reverse gears, allowing farmers to choose the right speed for different jobs. This tractor is big and heavy, weighing 18,000 pounds. It has a three-point hitch at the back that can lift up to 8,290 pounds, which is very strong compared to other tractors. The John Deere 4840 also has a 1000 rpm PTO for running farm tools. It comes with a comfortable Sound-Gard Cab to keep the driver safe and cool. The tractor has special features like a differential lock and hydraulic brakes to help it work well in tough conditions. With its above-average engine power and weight, the John Deere 4840 is a reliable choice for farmers who need a strong tractor for big fields.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 4840 |
| Category | Row Crop tractor |
| Type | 4x2 2WD |
| Years built | 1978–1982 |
| Operating weight | 18,000lb |
Engine
| Make | John Deere |
|---|---|
| Power | 200hp |
| Cylinders | 6 |
| Displacement | 466ci |
| Bore | 4.57in |
| Stroke | 4.76in |
Transmission
| Type | Full power shift |
|---|---|
| Forward gears | 8 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Power |
| Brakes | Differential hydraulic wet disc |
| Cab | Sound-Gard Cab |
Hydraulics
| Type | Closed center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 177in |
|---|---|
| Width | 96in |
| Height | 117in |
| Operating weight | 18,000lb |
Capacities
| Cooling system | 10gal |
|---|
Head to head
4840 vs. Row Crop median
How the John Deere 4840 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 200 hp | 138 hp | +45% | 77th |
| Engine Displacement | 466 ci | 391 ci | +19% | 82nd |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 8 | 16 | -50% | 16th |
| Operating Weight | 18,000 lb | 12,307 lb | +46% | 78th |
| Length | 177 in | 180 in | -1% | 45th |
| Width | 96 in | 91.2 in | +5% | 70th |
| Height | 117 in | 114 in | +3% | 63rd |
| 3-Point Hitch Capacity | 8,290 lb | 11,023 lb | -25% | 31st |
Medians and percentiles are computed from the row crop tractors in our database with a recorded value for each spec (sample sizes 279–1,417 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 4960 | 200 hp | 19,000 lb | 1992–1994 | Compare → |
| John Deere 8120 | 200 hp | 19,105 lb | 2002–2005 | Compare → |
| John Deere 7230R | 198.79 hp | 21,790 lb | 2011+ | Compare → |
| John Deere 7815 | 202 hp | 17,860 lb | — | Compare → |
| John Deere 8300 | 202.92 hp | 19,056 lb | 1995–1999 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO RT165A | 200 hp | 17,460 lb | — | Compare → |
| CaseIH 3594 | 202 hp | 17,590 lb | 1985–1988 | Compare → |
| CaseIH 2394 | 197 hp | 16,240 lb | 1984–1988 | Compare → |
| CaseIH 3294 | 197 hp | 18,000 lb | — | Compare → |
| CaseIH 7140 | 195 hp | 17,850 lb | 1987–1993 | Compare → |
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FAQ
Common questions
What years was the John Deere 4840 manufactured?
Production of the John Deere 4840 ran from 1978 through 1982.
What three-point hitch category does the John Deere 4840 use?
The John Deere 4840 has a Category III three-point hitch rated to lift 8,290 lb.
How powerful is the John Deere 4840?
The John Deere 4840 has an engine power output of 200 hp. It is powered by a 6-cylinder engine displacing 466 ci.
What is the working weight of the John Deere 4840?
The operating weight of the John Deere 4840 is approximately 18,000 lb.
What type of transmission does the John Deere 4840 have?
The John Deere 4840 uses a Full power shift transmission offering 8 forward gears.
What hydraulics does the John Deere 4840 have?
The John Deere 4840 uses a Closed center hydraulic system.
What routine service does the John Deere 4840 need?
Regular maintenance for the John Deere 4840 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.