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
The 4840 model tractor belongs to the Iron Horses Series of tractors from John Deere. The 4840 is a Row-Crop Tractors type, which is used most often in Agriculture Tractors. The engine of the 4840 tractor delivers. This arrangement improves usability in the real world.