John Deere 4840 Tractor (1982)
Manufacturer:John Deere
Price:57,648(USD)
Series:Iron Horses Series
Model:4840
Equipment Type: Row-Crop Tractors
Factory:Waterloo, Iowa, USA
Full Specifications
ENGINE DETAIL
- Description
- John Deere turbocharged intercooled diesel 6-cylinder liquid-cooled
- Displacement
- 466ci / 7.6L
- Bore/Stroke
- 4.5625x4.75inches / 116x 121mm
- Air cleaner
- dual paper elements
- Pre-heating
- ether injection
- Compression
- 15.5:1
- Rated RPM
- 2200
- Idle RPM
- 800-2400
- Operating RPM
- 1500-2200
- Firing order
- 1-5-3-6-2-4
- Starter volts
- 12
- Coolant capacity
- 40qts / 37.9L
JOHN DEERE 4840 ENGINE
- Description
- John Deere 7.6L 6-cyl diesel
TRANSMISSION
- Transmission
- John Deere PowerShift
- Type
- full power shift
- Gears
- 8 forward and 4 reverse
- Oil capacity
- 80qts / 75.7L
- Description
- Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work
JOHN DEERE 4840 TRANSMISSION
- Description
- 8-speed full power shift
MECHANICAL
- Description
- Two-wheel drive Power steering Differential hydraulic wet disc brakes Sound-Gard cab
- Differential lock
- pedal-actuated hydraulic
CAPACITY
- Fuel
- 103gal / 389.9L
- Hydraulic system
- 16.5gal / 62.5L
HYDRAULICS
- Type
- closed center
- Capacity
- 16.5gal / 62.5L
- Valve
- 2 or 3
- Pump flow
- 23gpm / 87.1lpm
TRACTOR HITCH
- Rear Type
- III/IIIN
- Rear lift
- 8295lbs / 3762kg
POWER TAKE-OFF (PTO)
- Rear PTO
- independent
- Rear RPM
- 1000 (1.75)
JOHN DEERE 4840 TIRES
- Ag front
- 10.00-16
- Ag rear
- 24.5-32 / 30.5-32 / 20.8-38 / 18.4-42
DIMENSIONS & TIRES
- Wheelbase
- 118.5inches / 300cm
- Weight
- 14900 to 18000 pounds
- Front tire
- 11.00-16
- Rear tire
- 18.4-38
4840 SERIAL NUMBERS
- 1979
- 4233
- 1989
- 14933
4840 SERIAL LOCATION
- Description
- Serial number plate on the rear of the 4840, above the PTO shaft
ELECTRICAL
- Ground
- negative
- Charging system
- alternator
- Batteries
- 2
- Battery volts
- 6
About John Deere Tractor
The 4840 model tractor belongs to the John Deere Iron Horses Series. The 4840 is a Row-Crop Tractors type, which is used mainly in Agriculture Tractors. The engine of the 4840 tractor generates. This configuration gives better real-world usability.
