Row CropPerformance profile
John Deere 8120
The John Deere 8120 is a powerful row crop tractor built from 2002 to 2005. It has a 4x2 drive type and is perfect for big farm jobs. The tractor's engine is made by John Deere and has 6 cylinders. It runs on diesel fuel and can produce 200 horsepower, which is above average for tractors. The engine is turbocharged and liquid-cooled, helping it work hard in tough conditions. This tractor has a full power shift transmission with 16 forward gears and 4 reverse gears. This gives farmers lots of options when working in different fields. The 8120 has a rear hitch that can lift up to 12,353 pounds, which is very high compared to other tractors. It also has two PTO speeds: 540 rpm and 1000 rpm. The tractor weighs 19,105 pounds and has a closed center hydraulic system. It comes with a standard cab to keep farmers comfortable while working long hours.
ManufacturerJohn DeerePower200 hpEngine6-cylTransFull power shift
Image not recorded
Quick specs
- Category
- Row Crop
- Engine Power Output
- 200hp
- Operating Weight
- 19,105 lb
- Transmission
- Full power shift
At a glance
How the 8120 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 8120 ranks at the 77th percentile for engine power among recorded row crop tractors.
Overview
About the John Deere 8120
The John Deere 8120 is a powerful row crop tractor built from 2002 to 2005. It has a 4x2 drive type and is perfect for big farm jobs. The tractor's engine is made by John Deere and has 6 cylinders. It runs on diesel fuel and can produce 200 horsepower, which is above average for tractors. The engine is turbocharged and liquid-cooled, helping it work hard in tough conditions. This tractor has a full power shift transmission with 16 forward gears and 4 reverse gears. This gives farmers lots of options when working in different fields. The 8120 has a rear hitch that can lift up to 12,353 pounds, which is very high compared to other tractors. It also has two PTO speeds: 540 rpm and 1000 rpm. The tractor weighs 19,105 pounds and has a closed center hydraulic system. It comes with a standard cab to keep farmers comfortable while working long hours.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 8120 |
| Category | Row Crop tractor |
| Type | 4x2 (2WD) |
| Years built | 2002–2005 |
| Operating weight | 19,105lb |
Engine
| Make | John Deere |
|---|---|
| Power | 200hp |
| Cylinders | 6 |
| Displacement | 496ci |
| Bore | 4.56in |
| Stroke | 5.06in |
Transmission
| Type | Full power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 4 |
Chassis & drive
| Drive | 4x2 (2WD) |
|---|---|
| Steering | Hydrostatic power |
| Brakes | Hydraulic wet disc |
| Cab | Cab (standard) |
Hydraulics
| Type | Closed center pressure-flow compensated (PFC) |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 209.9in |
|---|---|
| Height | 120.2in |
| Operating weight | 19,105lb |
Capacities
| Cooling system | 8.98gal |
|---|
Head to head
8120 vs. Row Crop median
How the John Deere 8120 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 200 hp | 138 hp | +45% | 77th |
| Engine Displacement | 496 ci | 391 ci | +27% | 85th |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 19,105 lb | 12,307 lb | +55% | 81st |
| Length | 210 in | 180 in | +17% | 84th |
| Height | 120 in | 114 in | +6% | 74th |
| 3-Point Hitch Capacity | 12,353 lb | 11,023 lb | +12% | 55th |
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 4840 | 200 hp | 18,000 lb | 1978–1982 | Compare → |
| John Deere 4960 | 200 hp | 19,000 lb | 1992–1994 | 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
When was the John Deere 8120 made?
The John Deere 8120 was manufactured from 2002 to 2005.
What hitch category is the John Deere 8120?
The John Deere 8120 uses a Category IIIN hitch with a lift capacity of 12,353 lb.
What is the engine power output of the John Deere 8120?
Rated engine output for the John Deere 8120 is 200 hp, delivered by a 6-cylinder engine. The engine displaces 496 ci.
What is the operating weight of the John Deere 8120?
In working trim, the John Deere 8120 comes in at roughly 19,105 lb.
Which transmission does the John Deere 8120 use?
The John Deere 8120 is equipped with a Full power shift transmission with 16 forward gears.
What type of hydraulic system does the John Deere 8120 use?
Hydraulics on the John Deere 8120 are Closed center pressure-flow compensated (PFC).
How do I maintain a John Deere 8120?
Routine service for the John Deere 8120 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.