John Deere 4840 tractor specification
John Deere 4840 tractor specs, dimensions, fuel consumption, transmission, drive, equipment
About John Deere 4840
| General information about John Deere 4840 | |
|---|---|
| Brand | John Deere |
| Model | John Deere 4840 |
| Series | n.d. |
| Previous model | – |
| Next model | John Deere 4850 |
| Smaller | John Deere 4640 |
| Larger | – |
| Years | from 1978 to 1982 y. |
| Cab with ROPS | No |
| Reviews | John Deere 4840 reviews New! 3.35 AGROrank is our rating! diesel engine, more than 4 cylinders is the higher culture of work, perfectly matched the rated speed, turbo engine, intercooler, 12V typical starter, 6V, lighting rather typical, PTO plus, none BAS, disc brakes, wet, heavy tractor, well come true in a big farm, long, bulky, wheels set wide apart, traditional 2 wheel drive, hydrostatic control, lack of synchronization gears... full review |
| Compare | Compare tractor New! |
| Questions about John Deere 4840 | Forum - John Deere 4840 questions and discussions New! |
John Deere 4840 performance
| John Deere 4840 Specs | Value |
|---|---|
| Maximum power (HP / kW) | b.d. |
| Engine RPM | 2200 rpm |
| Fuel consumption | n.d. |
| Fuel tank capacity | n.d. |
| Max. speed | n.d. |
John Deere 4840 engine
| John Deere 4840 Specs | Value |
|---|---|
| Fuel type | Diesel |
| Engine producer | b.d. |
| Engine model | John Deere |
| Engine type | Diesel (diesel engine) |
| Engine capacity | 7.672 l. |
| Strokes, qty | 4 |
| Cylinders | 6 |
| Compression | n.d. |
| Bore | 116 mm |
| Stroke | 121 mm |
| Maximum torque | n.d. |
| Air filter | n.d. |
| Fuel filter | n.d. |
| Fuel filter chambers, qty | n.d. |
| Oil filter | n.d. |
| Oil pump | n.d. |
| Speed control (control) | n.d. |
| Injection pump | n.d. |
| Injectors | n.d. |
| Injection pressure | n.d. |
| Cooling system | liquid cooled engine |
| Forced cooling | n.d. |
| Cooler | yes |
| Thermostat | Yes |
| Cooler type | tubular-plate cooler |
| Coolant system capacity | n.d. |
| Clutch | n.d. |
John Deere 4840 turbocharger
| John Deere 4840 Specs | Value |
|---|---|
| Turbocharger | Yes |
| Dual turbocharger | No |
| Intercooler | Yes |
| Aftercooler | No |
| Wastegate valve | No |
| Variable geometry | No |
| Additional parameters | – |
John Deere 4840 electronics
| John Deere 4840 Specs | Value |
|---|---|
| Supply voltage starter (V) | 12 V |
| Ground | negative ground |
| Battery (V) | 6 V |
| Battery, qty | 0 |
| Charging system | Generator |
| Charging system producer | n.d. |
| Ignition | Manual |
| Rear stop lamp | Yes |
| Rear agricultural lamp | n.d. |
| Cock lamp | No |
John Deere 4840 PTO
| John Deere 4840 Specs | Value |
|---|---|
| PTO rpm | 1000 rpm |
| PTO control | manual |
John Deere 4840 brakes
| John Deere 4840 Specs | Value |
|---|---|
| ABS | No |
| Brake assist | No |
| Braking system | n.d. |
| Differential | Yes |
| Brake type | disc brakes, wet brakes, hydraulic |
| Discs | Single |
John Deere 4840 dimensions
| John Deere 4840 Specs | Value |
|---|---|
| Weight | from 6758 kg to 9239 kg (depending by model) |
| Length | 4496 mm |
| Height | n.d. |
| Width | 2438 mm |
| Clearance | n.d. |
| Rear clearance | 711 mm |
| Front track width | from 1473 mm to 2540 mm |
| Rear track width | from 1524 mm to 3340 mm |
| Wheelbase | 3000 mm |
| Front tires | 11-16 |
| Rear tires | n.d. |
| Max. mass of the trailer without brakes | 1500 kg |
| Max. mass of the trailer with brakes | n.d. |
| Max. axle load | n.d. |
| Max. total weight | n.d. |
| Turning radius | n.d. |
John Deere 4840 drive
| John Deere 4840 Specs | Value |
|---|---|
| Drive system | 4x2, 2WD (depending by model) |
| Additional | one wheel drive |
| Independent Link Suspension | No |
| Articulated suspension | – |
| Crawler drive | No |
| Hydrostatic steering | Yes |
| Differential | n.d. |
| Steering | rod |
| Front rods | n.d. |
| Rear planetary drives | n.d. |
| Front planetary drives | n.d. |
John Deere 4840 hydraulics
| John Deere 4840 Specs | Value |
|---|---|
| Three-point hitch | n.d. |
| Three-point hitch type | n.d. |
| Three-point hitch performance | n.d. |
| Three-point hitch pressure | n.d. |
| Load Sensing | No |
| Closed | b.d. |
| Central | No |
| Constant flow | No |
| Constant pressure | No |
| Control system | n.d. |
| Two-section distributor | n.d. |
| Quick couplings | n.d. |
| Auto Lift | n.d. |
John Deere 4840 transmission / gears
| John Deere 4840 Specs | Value |
|---|---|
| Synchronous transmission | n.d. |
| Transmission mechanically synchronized | No, electro-hydraulic control |
| PowerShift | Yes |
| PowerShuttle | No |
| Additional | two clutches (dual clutch gearbox), electro-hydraulic clutch control, fast shifting |
| Forward gears | 8 |
| Reverse gears | 4 |
| Creeper | n.d. |
John Deere 4840 equipment
| John Deere 4840 Specs | Value |
|---|---|
| Clevis | Yes (???) |
| Lower catch | b.d. |
| Air conditioning | n.d. |