Brand siblingRow CropPerformance profile
John Deere 4640
The John Deere 4640 is a powerful row crop tractor made from 1978 to 1982. It has a strong 6-cylinder diesel engine that makes 155 horsepower. This engine is turbocharged and intercooled, which helps it work hard in the fields. The tractor has a 2-wheel drive system and uses hydrostatic power steering to make turning easy. This tractor is big and heavy, weighing 15,700 pounds. It has a partial power shift transmission with 16 forward gears and 6 reverse gears. This gives the driver lots of options for different speeds. The 4640 has a three-point hitch at the back that can lift up to 7,320 pounds, which is above average for tractors. It also has a 1000 rpm PTO for running equipment. The tractor comes with a Sound-Gard cab to keep the driver comfortable and safe. It has wet disc brakes and a differential lock to help control the tractor in tough conditions.
ManufacturerJohn DeerePower155 hpEngine6-cylTransPartial power shift
Quick specs
- Category
- Row Crop
- Engine Power Output
- 155hp
- Operating Weight
- 15,700 lb
- Transmission
- Partial power shift
At a glance
How the 4640 compares
vs. Row Crop medianDistribution
Engine Power (hp)
Across all Row Crop tractors
155 hp · 60th
This model
12
Median 138 hp
283
This modelRow Crop tractorsMediann = 1,206
The 4640 ranks at the 60th percentile for engine power among recorded row crop tractors.
Overview
About the John Deere 4640
The John Deere 4640 is a powerful row crop tractor made from 1978 to 1982. It has a strong 6-cylinder diesel engine that makes 155 horsepower. This engine is turbocharged and intercooled, which helps it work hard in the fields. The tractor has a 2-wheel drive system and uses hydrostatic power steering to make turning easy. This tractor is big and heavy, weighing 15,700 pounds. It has a partial power shift transmission with 16 forward gears and 6 reverse gears. This gives the driver lots of options for different speeds. The 4640 has a three-point hitch at the back that can lift up to 7,320 pounds, which is above average for tractors. It also has a 1000 rpm PTO for running equipment. The tractor comes with a Sound-Gard cab to keep the driver comfortable and safe. It has wet disc brakes and a differential lock to help control the tractor in tough conditions.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 4640 |
| Category | Row Crop tractor |
| Type | 4x2 2WD |
| Years built | 1978–1982 |
| Operating weight | 15,700lb |
Engine
| Make | John Deere |
|---|---|
| Model | John Deere |
| Power | 155hp |
| Cylinders | 6 |
| Displacement | 466ci |
| Bore | 4.56in |
| Stroke | 4.75in |
Transmission
| Type | Partial power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 6 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Hydrostatic 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 | 171in |
|---|---|
| Width | 96in |
| Height | 117in |
| Operating weight | 15,700lb |
Capacities
| Cooling system | 9.5gal |
|---|
Head to head
4640 vs. Row Crop median
How the John Deere 4640 compares to other Row Crop tractors
| Spec | This model | Row Crop median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 155 hp | 138 hp | +12% | 60th |
| Engine Displacement | 466 ci | 391 ci | +19% | 82nd |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 16 | 16 | at median | 50th |
| Operating Weight | 15,700 lb | 12,307 lb | +28% | 69th |
| Length | 171 in | 180 in | -5% | 38th |
| Width | 96 in | 91.2 in | +5% | 70th |
| Height | 117 in | 114 in | +3% | 63rd |
| 3-Point Hitch Capacity | 7,320 lb | 11,023 lb | -34% | 25th |
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 4450 | 155 hp | 15,400 lb | 1983–1988 | Compare → |
| John Deere 6155M | 155 hp | 15,940 lb | — | Compare → |
| John Deere 6155M (2015-2020) | 155 hp | 13,073 lb | 2015–2020 | Compare → |
| John Deere 6155R | 155 hp | 17,028 lb | 2015+ | Compare → |
| John Deere 7525 | 155 hp | 12,960 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Agco RT155 | 155 hp | 14,793.1 lb | — | Compare → |
| CaseIH 7220 | 155 hp | 17,418 lb | 1994–1996 | Compare → |
| CaseIH 2294 | 154 hp | 14,390 lb | — | Compare → |
| Allis Chalmers 7050 | 156.49 hp | 19,530 lb | 1973–1974 | Compare → |
| Allis Chalmers 220 | 151 hp | 12,160 lb | 1970–1973 | Compare → |
Explore
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Gallery
John Deere 4640 photos
FAQ
Common questions
When was the John Deere 4640 made?
The John Deere 4640 was manufactured from 1978 to 1982.
What is the operating weight of the John Deere 4640?
In working trim, the John Deere 4640 comes in at roughly 15,700 lb.
Which transmission does the John Deere 4640 use?
The John Deere 4640 is equipped with a Partial power shift transmission with 16 forward gears.
What hydraulics does the John Deere 4640 have?
The John Deere 4640 uses a Closed center hydraulic system.
What three-point hitch category does the John Deere 4640 use?
The John Deere 4640 has a Category III/IIIN three-point hitch rated to lift 7,320 lb.
What is the engine power output of the John Deere 4640?
Rated engine output for the John Deere 4640 is 155 hp, delivered by a 6-cylinder engine. The engine displaces 466 ci.
How do I maintain a John Deere 4640?
Routine service for the John Deere 4640 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.