Technical Specifications of the John Deere 840 Agricultural Tractor:
The John Deere 840 Agricultural Tractor was produced from 1980 to 1986. It features a three-cylinder engine, model 3179, with a displacement of 2940 cm³. It delivers a maximum output of 35 HP at 2400 rpm and a torque of 135 Nm at 1300 rpm. The drivetrain includes 8 synchronized forward and 4 reverse gears, allowing for travel speeds ranging from 2.0 to 23.5 km/h, with a maximum speed of 25 km/h. The hydraulic pump has a flow rate of 23 L/min, and the mechanically controlled rear lift has a maximum lifting capacity of 2215 kg. The PTO operates at 540 rpm. The 2WD version weighs 2270 kg, while the 4WD version weighs 3160 kg, with a turning radius of 6.2 m for 2WD and 9 m for 4WD. The tractor’s dimensions include a length of 351 cm, a width of 189 cm, and a height of 239 cm with a cab. The tire sizes are 6.50-16 in the front and 12.4-28 in the rear for the 2WD version, and 9.50-24 in the front and 12.4-36 in the rear for the 4WD version. The fuel tank capacity is 78 liters, and the noise level inside the cabin is 90 dB.
Advertisement
Technical Data Sheet for John Deere 840, 940, 1040, 1140 tractors:
| Model | John Deere 840 | John Deere 940 | John Deere 1040 | John Deere 1140 |
|---|---|---|---|---|
| Years of production | 80-86 | 80-86 | 80-81 | 80-81 |
| Engine designation/type | 3179 | 3179 | 3179DL01 | 3179DL01 |
| Number of cylinders / Turbo / Intercooler | 3 | 3 | 3 | 3 |
| Engine displacement (cm³) | 2940 | 2940 | 2940 | 2940 |
| Piston diameter / Stroke (mm) | 106,5×110 | 106,5×110 | 106,5×110 | 106,5×110 |
| Maximum engine power (HP) / at RPM | 35/2400 | 44/2400 | 50/2500 | 56/2500 |
| Torque (Nm) / at RPM | 135/1300 | 154/1300 | 172/1400 | 185/1400 |
| Number of gearbox speeds (forward + reverse) | 8+4 | 8+4 | 8+4/16+8 | 8+4/16+8 |
| Number of synchronized gears (forward + reverse) | 8+4 | 8+4 | >8+4/16+8 | >8+4/16+8 |
Advertisement
| Fast gearbox / Power shift | – | – | – | – |
|---|---|---|---|---|
| Reverser type | – | – | – | – |
| Speed range (km/h) | 2,0-23,5 | 2,0-23,5 | 3,4-31,5 | 3,4-31,5 |
| Maximum speed (km/h) | 25 | 25 | – | – |
| Hydraulic pump capacity (L/min) | 23 | 23 | 47 | 47 |
| Rear three-point hitch (TUV) control type | mech | mech | mech | mech |
| Maximum rear three-point hitch (TUV) lift capacity (kg) | 2215 | 2215 | 2350 | 2350 |
| Power take-off (PTO) speed (RPM) | 540 | 540 | 540 | 540 |
| Type of disc brake (dry/wet) | – | – | – | – |
| Brake system control type | – | – | – | – |
| Turning radius 2WD (m) | 6,2 | 6,2 | 6,6 | 6,6 |
| Turning radius 4WD (m) | 9 | 9 | 8,2 | 8,2 |
Advertisement
| Front tire size 2WD | 6,50-16 | 6,50-16 | 7,50-16 | 7,50-16 |
|---|---|---|---|---|
| Front tire size 4WD | 9,50-24 | 11,2-24 | 9,50-24 | 11,2-24 |
| Rear tire size 2WD | 12,4-28 | 12,4-32 | 12,4-36 | 13,6-36 |
| Rear tire size 4WD | 12,4-36 | 13,6-36 | 12,4-36 | 13,6-36 |
| Total weight 2WD (kg) | 2270 | 2270 | 2890 | 2940 |
| Total weight 4WD (kg) | 3160 | 3210 | 3160 | 3070 |
| Total height with cabin (cm) | 239 | 239 | 244 | 245 |
| Total length (cm) | 351 | 351 | 351/364 | 351/364 |
| Total width (cm) | 189 | 189 | 205 | 205/206 |
| Fuel tank capacity (L) | 78 | 78 | 78 | 78 |
| Cabin noise level (dB) | 90 | 84,5 | 84,5 | 84,5 |
Advertisement
Add your opinion and share the fuel consumption of the tractor John Deere 840, 940, 1040, 1140:
John Deere 840, 940, 1040, 1140 Gallery:
Advertisement