John Deere 4840 specifications

John Deere 4840

Construction years:

1978 - 1982   Iron Horses Series

Tractor type:

Row-Crop tractor
John Deere 4840 Production
Production

Manufacturer: John Deere

Factory: Waterloo, Iowa, USA

Distributor: -

John Deere 4840 3-Point Hitch
3-Point Hitch

Rear Type: III,IIIN

Rear lift: -

Control: -

Rear lift (at ends): -

Rear lift (at 24"/610mm): 2500 lbs

Front Hitch: -

Front lift (at ends): -

Drawbar: -

John Deere 4840 Attachments
Attachments

Height (to pin): -

Dump angle: -

Rollback angle: -

Breakout force (lift): -

Lift to full height (at pin): -

Lift to full height (at 800mm): -

Loader type: -

Clearance, dumped bucket: -

Reach at ground: -

Dump reach: -

Breakout force (bucket): -

Bucket width: -

Raise time to height: -

Bucket dump time: -

Lowering time: -

Rollback time: -

John Deere 4840 Battery
Battery

Number: 2

Cold-cranking amps: -

Volts: 6

Amp-hours: -

John Deere 4840 Capacity
Capacity

Fuel: 103 gal

Hydraulic system: 16.5 gal

John Deere 4840 Dimensions & Tires
Dimensions & Tires

Ag front: 11.00-16

Ag rear: 18.4-38

Weight (shipping): 14,900 lbs

Wheelbase: 118.5 inches

Clearance front: 26 inches

4WD turn radius: -

Weight (ballasted): 20,370 lbs

Length: 177 inches

Height (hood): -

Ground clearance: -

Rear tread: 60 to 131.5 inches

Front tread: 58 to 100 inches

2WD turn radius: 14.7 feet

Width: 96 inches

Standard tires (ag): -

Height (cab): -

Max weight: -

Front axle: -

Rear axle: -

John Deere 4840 Electrical
Electrical

Ground: negative

Charging system: alternator

Charging amps: -

Battery volts: 12

John Deere 4840 Engine
Engine

Bore/Stroke: 3.386x4.134 inches

Compression: 20.5:1

Cooling: -

Cylinders: -

Displacement: 148.9 ci

Fuel: -

Rated RPMs: 2200

Power: -

Torque: -

Torque RPM: -

Emissions: -

Emission control: -

Maximum power: -

Fuel system: -

Pre-heating: -

Compression: -

Starter: -

Starter volts: 12

John Deere 4840 Mechanical
Mechanical

Chassis: 4x2 2WD

Steering: power

Brakes: differential hydraulic wet disc

Cab: Sound-Gard cab.

Differential lock: pedal-actuated hydraulic

Transmission: hydrostatic

Pump flow: 23 gpm

Final drives: -

John Deere 4840 Power Take-off (PTO)
Power Take-off (PTO)

Rear PTO: independent

Rear RPM: 1000 (1.75)

Gear Rear PTO: -

Hydro Rear PTO: -

Mid PTO: -

Mid RPM: -

Clutch: -

Engine RPM: -

Front PTO: -

Front RPM: -

John Deere 4840 Hydraulics
Hydraulics

Type: closed center

Pressure: -

Valves: 2 or 3

Total Flow: -

Steering Press: -

Capacity: 16.5 gal

Pump flow: 23 gpm

SVC flow: -

John Deere 4840 Transmission
Transmission

Gears: 8 forward and 4 reverse

Type: John Deere PowerShift

Oil Capacity: 80 qts

Name: eHydro

Clutch: -

John Deere 4840 Power
Power

Engine: -

PTO (Claimed): 180 hp

Engine (gross): -

Drawbar (tested): 151.21 hp

Engine (net): -

Gear PTO (Claimed): -

Hydro PTO (Claimed): -