Brand siblingUtilityPerformance profile
John Deere 8640
The John Deere 8640 is a powerful utility tractor made from 1979 to 1982. It has a strong diesel engine with six cylinders and 275 horsepower, which is very high compared to other tractors. The engine is turbocharged and liquid-cooled, helping it work hard in tough conditions. This tractor is built for serious work. It has four-wheel drive and a special steering system that helps it turn easily. The 8640 can lift very heavy loads with its three-point hitch, which can handle up to 8,545 pounds. It also has a PTO that spins at 1000 rpm, perfect for running big farm tools. The tractor is quite heavy at 28,270 pounds, making it stable for big jobs. It comes with a comfortable cab for the driver and has both front and rear hydraulic differential locks for better traction in muddy fields.
ManufacturerJohn DeerePower275 hpEngine6-cylTransPartial power shift
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 275hp
- Operating Weight
- 28,270 lb
- Transmission
- Partial power shift
At a glance
How the 8640 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
275 hp · 96th
This model
9
Median 55 hp
177
275
This modelUtility tractorsMediann = 5,383
The 8640 ranks at the 96th percentile for engine power among recorded utility tractors.
Overview
About the John Deere 8640
The John Deere 8640 is a powerful utility tractor made from 1979 to 1982. It has a strong diesel engine with six cylinders and 275 horsepower, which is very high compared to other tractors. The engine is turbocharged and liquid-cooled, helping it work hard in tough conditions. This tractor is built for serious work. It has four-wheel drive and a special steering system that helps it turn easily. The 8640 can lift very heavy loads with its three-point hitch, which can handle up to 8,545 pounds. It also has a PTO that spins at 1000 rpm, perfect for running big farm tools. The tractor is quite heavy at 28,270 pounds, making it stable for big jobs. It comes with a comfortable cab for the driver and has both front and rear hydraulic differential locks for better traction in muddy fields.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 8640 |
| Category | Utility tractor |
| Type | 4x4 articulated 4WD |
| Years built | 1979–1982 |
| Operating weight | 28,270lb |
Engine
| Make | John Deere |
|---|---|
| Power | 275hp |
| Cylinders | 6 |
| Displacement | 619ci |
| Bore | 5.12in |
| Stroke | 5in |
Transmission
| Type | Partial power shift |
|---|---|
| Forward gears | 16 |
| Reverse gears | 6 |
Chassis & drive
| Chassis | 4x4 articulated 4WD |
|---|---|
| Drive | Four-wheel Drive (4WD) |
| Steering | Articulated power |
| Brakes | Hydraulic wet disc |
| Cab | Cab |
Hydraulics
| Type | Closed center |
|---|
Power take-off
| Rear PTO | Independent |
|---|---|
| PTO speed | 1,000rpm |
Dimensions
| Length | 223.5in |
|---|---|
| Height | 126.6in |
| Operating weight | 28,270lb |
Capacities
| Cooling system | 12gal |
|---|
Head to head
8640 vs. Utility median
How the John Deere 8640 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 275 hp | 55 hp | +400% | 96th |
| Engine Displacement | 619 ci | 183 ci | +238% | 95th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 16 | 12 | +33% | 73rd |
| Operating Weight | 28,270 lb | 5,303 lb | +433% | 97th |
| Length | 224 in | 137 in | +64% | 95th |
| Height | 127 in | 94.1 in | +35% | 96th |
| 3-Point Hitch Capacity | 8,545 lb | 3,197 lb | +167% | 88th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 1,083–5,720 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 8630 | 275 hp | 24,500 lb | 1975–1978 | Compare → |
| John Deere 8760 | 276.95 hp | 32,095 lb | — | Compare → |
| John Deere 8650 | 290 hp | 30,270 lb | 1982–1988 | Compare → |
| John Deere 8570 | 250 hp | 32,100 lb | — | Compare → |
| John Deere 8770 | 300 hp | 32,960 lb | 1993–1996 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH 9150 | 280 hp | 23,000 lb | — | Compare → |
| AGCO DT225B | 266.3 hp | 25,795 lb | 2009–2010 | Compare → |
| CaseIH 4694 | 261 hp | 22,310 lb | — | Compare → |
| AGCO DT220A | 260 hp | 19,951 lb | 2005–2008 | Compare → |
| AGCO DT240A | 290 hp | 19,951 lb | 2005–2008 | Compare → |
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FAQ
Common questions
When was the John Deere 8640 in production?
John Deere 8640 production started in 1979 and ended in 1982.
What transmission is in the John Deere 8640?
Transmission on the John Deere 8640 is Partial power shift, with 16 forward speeds.
What hydraulics does the John Deere 8640 have?
The John Deere 8640 uses a Closed center hydraulic system.
What three-point hitch category does the John Deere 8640 use?
The John Deere 8640 has a Category III/IIIN three-point hitch rated to lift 8,545 lb.
How much horsepower does the John Deere 8640 have?
The John Deere 8640 produces 275 hp from its 6-cylinder engine. Engine displacement is 619 ci.
How much does the John Deere 8640 weigh?
The John Deere 8640 weighs about 28,270 lb in operating condition.
What maintenance does the John Deere 8640 require?
Like any tractor, the John Deere 8640 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.