Introduction
John Deere 2640 Utility Tractor
The John Deere 2640 is a utility tractor manufactured in Dubuque, Iowa, USA, between 1976 and 1982. Designed for general agricultural tasks, this model belongs to the John Deere utility tractor series, offering a balance of mechanical simplicity and operational versatility.
Engine and Performance
The tractor is powered by a 4.5-liter, 4-cylinder diesel engine with a liquid-cooling system. It operates at a rated speed of 2500 RPM. The engine features a bore-to-stroke ratio of 106 mm x 127 mm and a compression ratio of 16.7:1, providing reliable power output for field operations.
Transmission and Drivetrain
The 2640 offers several transmission configurations to suit different operational requirements. Options include an 8-speed collar shift transmission, a 16-speed two-speed power shift (Hi-Lo), and an 8-speed power shuttle with a hydraulic direction reverser. The tractor features two-wheel drive with planetary final drives and a mechanical rear differential lock for improved traction management.
Hydraulics and PTO
The hydraulic system utilizes a closed-center design, operating at a pressure of 2250 psi with a pump flow of 9 gpm. The rear independent PTO is configured for 540 RPM, with optional 540/1000 RPM capabilities, allowing for the operation of a wide range of implements. The hitch is categorized as type II/I.
Mechanical and Dimensions
The unit features mechanical steering with power assist and hydraulic wet disc brakes for precise control. With a wheelbase of 217 cm and an operating weight of 2630 kg, the tractor provides a stable platform. It is designed with an open operator station and offers adjustable tread widths for both front and rear axles to accommodate various row crop spacings.
Conclusion
The John Deere 2640 is a robust utility tractor suited for diverse farm environments. Its combination of multiple transmission options, a reliable diesel engine, and a versatile hydraulic system makes it a practical choice for those requiring a dependable machine for standard agricultural duties.
Production Information of John Deere, 2640
- Utility tractor
- Built in Dubuque, Iowa, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 2640
| Rear tread | 52 to 97 inches [132 to 246 cm (rack-and-pinion)] |
|---|---|
| Wheelbase | 85.75 inches [217 cm] |
| Height (exhaust) | 101.7 inches [258 cm] |
| Height (hood) | 61.3 inches [155 cm] |
| Length | 139.5 inches [354 cm] |
| Clearance (front axle) | 25.6 inches [65 cm] |
| Operating weight | 5800 lbs [2630 kg] |
| Width | 69.5 inches [176 cm] |
| Front tread | 49 to 79 inches [124 to 200 cm (swept axle)] |
| Front tread | 60 to 88 inches [152 to 223 cm (straight axle)] |
| Ballasted weight | 8430 lbs [3823 kg] |
Straight axle
| Ag front | 6.00-16 |
|---|---|
| Ag rear | 16.9-28 |
Engine Specifications of John Deere, 2640
- John Deere
- Liquid-cooled
- Diesel
- 4-cylinder
| Coolant capacity | 12 qts [11.4 L] |
|---|---|
| Displacement | 276 ci [4.5 L] |
| Rated RPM | 2500 |
| Bore/Stroke | 4.19x5.00 inches [106 x 127 mm] |
| Starter volts | 12 |
| Firing order | 1-3-4-2 |
| Compression | 16.7:1 |
Transmission Information of John Deere, 2640
Transmission variants 1
- Four gears (1-4) in two ranges (I and II) plus reverse (R) range.
| Type | Collar shift |
|---|---|
| Gears | 8 forward and 4 reverse |
Transmission variants 2
| Transmission | Hi-Lo |
|---|---|
| Clutch | Dry disc |
| Type | Two-speed power shift |
| Gears | 16 forward and 8 reverse |
Transmission variants 3
- Four gears (1-4) in two ranges (I and II) with a left-hand hydraulic shuttle lever.
| Transmission | Direction Reverser |
|---|---|
| Type | Power shuttle |
| Gears | 8 forward and reverse |
- 8-speed collar shift
- 16-speed two-speed power shift
- 8-speed power shuttle
Mechanical Specs of John Deere, 2640
- Two-wheel drive
- Differential hydraulic wet disc brakes
- Open operator station.
| Steering | Mechanical with power assist |
|---|---|
| Final drives | Planetary |
| Differential lock | Mechanical rear |
Power Information of John Deere, 2640
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 |
| Rear PTO Type(optional) | 540/1000 |
Hydraulics Specifications of John Deere, 2640
| Type | Closed center |
|---|---|
| Type(optional) | 15 gpm [56.8 lpm] |
| Pump flow | 9 gpm [34.1 lpm] |
| Capacity | 10 gal [37.9 L] |
| Pressure | 2250 psi [155.1 bar] |
Three-Point Hitch of John Deere, 2640
| Rear Type | II/I |
|---|
Electrical System of John Deere, 2640
| Ground | Negative |
|---|---|
| Charging system | Alternator |
| Battery volts | 12 |
Where it sits
With 77 hp[P] HP, the John Deere 2640 sits between 2440 (67 HP) and 2630 (78 HP) in John Deere's range. Its power puts it in the 56th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the John Deere 2640 have?
The John Deere 2640 delivers 77 hp[P] HP.
What years was the John Deere 2640 produced?
The John Deere 2640 was produced in 1976-1982.
What engine does the John Deere 2640 have?
The John Deere 2640 is powered by a Diesel, 4-cylinder engine.
What transmission does the John Deere 2640 use?
The John Deere 2640 uses a Collar shift transmission.
How much does the John Deere 2640 weigh?
The John Deere 2640 weighs 5800 lbs [2630 kg].
Is the John Deere 2640 4WD?
The John Deere 2640 is available in 2WD.