Introduction
John Deere 2840 Utility Tractor
The John Deere 2840 is a utility tractor produced between 1977 and 1979 in Mannheim, Germany. Designed for general agricultural operations, it belongs to the 2640 series and offers a combination of mechanical durability and hydraulic efficiency suitable for mid-sized farming tasks.
Engine and Performance
The tractor is powered by a 5.4-liter (329 ci), 6-cylinder diesel engine. This liquid-cooled unit operates at a rated speed of 2500 RPM, providing a power output of 89 hp. Air intake is managed through paper-element filters, and the engine is started by a 12-volt system.
Transmission and Drivetrain
The 2840 features a two-wheel drive system with planetary final drives for enhanced torque distribution. The primary transmission is a two-speed power shift design offering 12 forward and 6 reverse gears, complemented by a 300mm hydraulic dry disc clutch. A mechanical rear differential lock is included to improve traction in challenging field conditions.
Hydraulics and PTO
The hydraulic system utilizes a closed-center design with a pump flow capacity of 23 gpm (87.1 lpm). It features two valves for implement control and a 12.9-gallon reservoir capacity. The rear PTO is independent and offers dual-speed operation at 540 and 1000 RPM to accommodate various implements.
Dimensions and Handling
With an operating weight of 8,700 lbs (3,946 kg) and a wheelbase of 97 inches, the tractor provides a stable footprint for field work. The front tread is adjustable between 69 and 94 inches, while the rear tread ranges from 61 to 90 inches. Steering is assisted by a power system, and braking is handled by differential hydraulic wet disc brakes.
Conclusion
The John Deere 2840 is a reliable, mid-range utility tractor suited for farmers and collectors who require a robust, mechanical-focused machine. Its combination of a 6-cylinder engine, versatile transmission, and adjustable tread widths makes it adaptable for a variety of traditional agricultural duties.
Production Information of John Deere, 2840
- Original price was $17,000 in 1979
- Utility tractor
- Built in Mannheim, Baden-Württemberg, Germany
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 2840
- Rack-and-pinion rear axle
| Rear tread | 61 to 90 inches [154 to 228 cm ] |
|---|---|
| Wheelbase | 97 inches [246 cm] |
| Operating weight | 8700 lbs [3946 kg] |
| Height (steering wheel) | 74 inches [187 cm] |
| Length | 160 inches [406 cm] |
| Ballasted weight | 10500 lbs [4762 kg] |
| Width | 90 inches [228 cm] |
| Front tread | 69 to 94 inches [175 to 238 cm (wide axle)] |
| Front tread | 57.82.4 to inches [146 to 0 cm] |
| Clearance (front axle) | 21 inches [53 cm] |
ROPS or fenders limit minimum tread to 68 inches.
| Ag front | 7.50-18 |
|---|---|
| Ag front(optional) | 16.9-38 |
| Ag rear | 18.4-34 |
| Ag rear | 15.5-38 |
Engine Specifications of John Deere, 2840
- John Deere
- Liquid-cooled
- Diesel
- 6-cylinder
| Coolant capacity | 5 qts [4.7 L] |
|---|---|
| Displacement | 329 ci [5.4 L] |
| Compression | 17.0:1 |
| Bore/Stroke | 4.02x4.33 inches [102 x 110 mm] |
| Starter volts | 12 |
| Rated RPM | 2500 |
| Air cleaner | Paper elements |
Transmission Information of John Deere, 2840
Transmission variants 1
- Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift.
| Transmission | Hi-Lo |
|---|---|
| Clutch | Dry disc |
| Type | Two-speed power shift |
| Gears | 12 forward and 6 reverse |
Transmission variants 2
| Transmission | Sliding gear |
|---|---|
| Gears | 6 forward and 3 reverse |
- 12-speed two-speed power shift
- 6-speed
Mechanical Specs of John Deere, 2840
- Two-wheel drive
- Differential hydraulic wet disc brakes
- Open operator station. Two-post Roll-Gard ROPS optional.
| Steering | Power assist |
|---|---|
| Final drives | Planetary |
| Differential lock | Mechanical rear |
Power Information of John Deere, 2840
| Rear PTO | Independent |
|---|---|
| Clutch | Hydraulic 300mm disc |
| Rear PTO Type | 540/1000 |
Hydraulics Specifications of John Deere, 2840
| Type | Closed center |
|---|---|
| Pump flow | 23 gpm [87.1 lpm] |
| Capacity | 12.9 gal [48.8 L] |
| Valves | 2 |
Three-Point Hitch of John Deere, 2840
| Rear Type | II |
|---|---|
| Control | Draft sensing |
Electrical System of John Deere, 2840
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Batteries | 2 |
Where it sits
With 89 hp[P] HP, the John Deere 2840 sits just above 2640 (77 HP) in John Deere's range. Its power puts it in the 62th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the John Deere 2840 have?
The John Deere 2840 delivers 89 hp[P] HP.
What years was the John Deere 2840 produced?
The John Deere 2840 was produced in 1977-1979.
What engine does the John Deere 2840 have?
The John Deere 2840 is powered by a Diesel, 6-cylinder engine.
What transmission does the John Deere 2840 use?
The John Deere 2840 uses a Hi-Lo transmission.
How much does the John Deere 2840 weigh?
The John Deere 2840 weighs 8700 lbs [3946 kg].
Is the John Deere 2840 4WD?
The John Deere 2840 is available in 2WD.