John Deere
2840
Farm tractor · 1977–1979 · 89 hp
John Deere2840
The John Deere 2840 is a farm tractor manufactured from 1977 to 1979. It features a 89 hp engine, and two-post roll-gard optional steering. The transmission is a two-speed power shift type with 12 forward and 6 reverse.
Engine
| Fuel Type | diesel |
|---|---|
| Cylinders | 6 |
| Cooling | liquid-cooled |
| Displacement | 329 ci (5.4 L) |
| Bore | 4.02 in (102 mm) |
| Stroke | 4.33 in (110 mm) |
| Compression Ratio | 17 |
| Power PTO | 80.65 hp (60.1 kW) |
| Power Drawbar | 64.86 hp (48.4 kW) |
| Air Cleaner | paper elements |
| Starter Volts | 12 |
| Coolant Capacity | 5 qts (4.7 L) |
| Manufacturer | John Deere |
| Rated | 2,500 RPM |
Transmission
| Transmission Type | two-speed power shift |
|---|---|
| Transmission Model | Hi-Lo |
| Gears | 12 forward and 6 reverse |
| Clutch | dry disc |
| Available Options | 12-speed two-speed power shift, 6-speed |
Hydraulics
| Type | closed center |
|---|---|
| Pump Flow | 23 gpm (87.1 lpm) |
| Valves | 2 |
| System Capacity | 12.9 gal (48.8 L) |
Dimensions
| Length | 160 in (406 cm) |
|---|---|
| Width | 90 in (228 cm) |
| Height | 74 in (187 cm) |
| Wheelbase | 97 in (246 cm) |
| Front Tread | 69 in (175 cm) |
| Rear Tread | 61 in (154 cm) |
Weight
| Operating | 8,700 lbs (3,946 kg) |
|---|---|
| Ballasted | 10,500 lbs (4,762 kg) |
Tires & Tracks
| Front Ag | 7.50-18 |
|---|---|
| Rear Ag | 18.4-34, 15.5-38 |
Fuel
| Capacity | 28 gal (106 L) |
|---|
Steering
| Type | two-post roll-gard optional |
|---|