Brand siblingFour-Wheel DrivePerformance profile
John Deere 9R 640
The John Deere 9R 640 is a powerful tractor built for big jobs on the farm. It has a strong engine made by John Deere that can produce 631.6 horsepower. This engine is diesel-powered and has 6 cylinders. It's cooled by liquid and uses a turbocharger to make more power. This tractor is big and heavy, weighing 46,680 pounds. It's about 26 feet long, 14.5 feet wide, and 12 feet tall. The 9R 640 has a full power shift transmission with 18 forward gears and 6 reverse gears, giving the driver lots of control. It has a closed center hydraulic system and a Category 3 hitch at the back for attaching tools. The tractor comes with a comfortable cab for the driver and uses an electric starter to get going. John Deere is known for making quality farm equipment, and this tractor is no exception. It has big 800/70R38 tires and can produce a lot of pulling power with its peak torque of 2,179 lb-ft. The 9R 640 is designed to handle tough farming tasks and large fields with ease.
ManufacturerJohn DeerePower631.6 hpEngine6-cylTransFull power shift
Quick specs
- Category
- Four-Wheel Drive
- Engine Power Output
- 632hp
- Operating Weight
- 46,680 lb
- Transmission
- Full power shift
At a glance
How the 9R 640 compares
vs. Four-Wheel Drive medianDistribution
Engine Power (hp)
Across all Four-Wheel Drive tractors
631.6 hp · 99th
This model
84
Median 375 hp
549
This modelFour-Wheel Drive tractorsMediann = 162
The 9R 640 ranks at the 99th percentile for engine power among recorded four-wheel drive tractors.
Overview
About the John Deere 9R 640
The John Deere 9R 640 is a powerful tractor built for big jobs on the farm. It has a strong engine made by John Deere that can produce 631.6 horsepower. This engine is diesel-powered and has 6 cylinders. It's cooled by liquid and uses a turbocharger to make more power. This tractor is big and heavy, weighing 46,680 pounds. It's about 26 feet long, 14.5 feet wide, and 12 feet tall. The 9R 640 has a full power shift transmission with 18 forward gears and 6 reverse gears, giving the driver lots of control. It has a closed center hydraulic system and a Category 3 hitch at the back for attaching tools. The tractor comes with a comfortable cab for the driver and uses an electric starter to get going. John Deere is known for making quality farm equipment, and this tractor is no exception. It has big 800/70R38 tires and can produce a lot of pulling power with its peak torque of 2,179 lb-ft. The 9R 640 is designed to handle tough farming tasks and large fields with ease.
Full specifications
Every recorded spec
General
| Manufacturer | John Deere |
|---|---|
| Model | 9R 640 |
| Category | Four-Wheel Drive tractor |
| Operating weight | 46,680lb |
Engine
| Make | John Deere |
|---|---|
| Model | JD14 |
| Power | 631.6hp |
| Cylinders | 6 |
| Displacement | 826.9ci |
| Bore | 5.2in |
| Stroke | 6.5in |
Transmission
| Type | Full power shift |
|---|---|
| Forward gears | 18 |
| Reverse gears | 6 |
Chassis & drive
| Cab | Cab |
|---|
Hydraulics
| Type | Closed center pressure/flow compensated |
|---|
Dimensions
| Length | 312.8in |
|---|---|
| Width | 173.3in |
| Height | 147.3in |
| Operating weight | 46,680lb |
Capacities
| Cooling system | 14.93gal |
|---|
Head to head
9R 640 vs. Four-Wheel Drive median
How the John Deere 9R 640 compares to other Four-Wheel Drive tractors
| Spec | This model | Four-Wheel Drive median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 632 hp | 375 hp | +68% | 99th |
| Engine Displacement | 827 ci | 826 ci | 0% | 53rd |
| Cylinders | 6 | 6 | at median | 50th |
| Forward Gears | 18 | 16 | +13% | 86th |
| Operating Weight | 46,680 lb | 37,428 lb | +25% | 82nd |
| Length | 313 in | 275 in | +14% | 83rd |
| Width | 173 in | 116 in | +50% | 86th |
| Height | 147 in | 143 in | +3% | 66th |
Medians and percentiles are computed from the four-wheel drive tractors in our database with a recorded value for each spec (sample sizes 71–162 models).
Compare to tractors with similar specs
Commonly compared John Deere tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| John Deere 9RX 640 | 631.6 hp | 56,320 lb | — | Compare → |
| John Deere 9620R | 620 hp | 47,895 lb | 2015+ | Compare → |
| John Deere 9R 590 | 582 hp | 45,980 lb | — | Compare → |
| John Deere 9570R | 570 hp | 43,550 lb | — | Compare → |
| John Deere 9560R | 560 hp | 43,410 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| CaseIH Steiger 620 | 620 hp | 48,147 lb | — | Compare → |
| CaseIH Steiger 620 Quadtrac | 620 hp | 60,145 lb | — | Compare → |
| Big Bud 650/50 | 650 hp | 60,000 lb | — | Compare → |
| Challenger MT862 | 610.2 hp | 42,000 lb | — | Compare → |
| Baldwin DP600 | 600 hp | — | — | Compare → |
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Gallery
John Deere 9R 640 photos
FAQ
Common questions
How powerful is the John Deere 9R 640?
The John Deere 9R 640 has an engine power output of 631.6 hp. It is powered by a 6-cylinder engine displacing 826.9 ci.
What hydraulics does the John Deere 9R 640 have?
The John Deere 9R 640 uses a Closed center pressure/flow compensated hydraulic system.
What three-point hitch category does the John Deere 9R 640 use?
The John Deere 9R 640 has a Category Category 3 three-point hitch.
What is the working weight of the John Deere 9R 640?
The operating weight of the John Deere 9R 640 is approximately 46,680 lb.
What type of transmission does the John Deere 9R 640 have?
The John Deere 9R 640 uses a Full power shift transmission offering 18 forward gears.
What routine service does the John Deere 9R 640 need?
Regular maintenance for the John Deere 9R 640 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.