John Deere turbocharged intercooled diesel 6-cylinder liquid-cooled
Displacement
466ci / 7.6L
Bore/Stroke
4.5625x4.75inches / 116x 121mm
Pre-heating
ether
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
Oil capacity
20qts / 18.9L
Coolant capacity
38qts / 36.0L
JOHN DEERE 4640 ENGINE
Description
John Deere 7.6L 6-cyl diesel
TRANSMISSIONS OVERVIEW
Description
16-speed partial power shift 8-speed full power shift
TRANSMISSION 1
Transmission
John Deere Quad-Range
Type
partial power shift
Gears
16 forward and 6 reverse
Description
Four gears (1-4) in four ranges (A-D). Power shift between pairs 1-2 and 3-4 in each range, with synchronized shift between 2-3. Two reverses in ranges A-C. Tractor must be stopped, and clutch used, to shift ranges. Power shift is provided hy a hydraulically-controlled planetary that provides an under-drive to each gear
TRANSMISSION 2
Transmission
John Deere PowerShift
Type
full power shift
Gears
8 forward and 4 reverse
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 4640 TRANSMISSIONS
Description
16-speed partial power shift 8-speed full power shift
MECHANICAL
Drive
4x2 2WD/4x4 HFWD 4WD
Differential lock
pedal-actuated hydraulic
Steering
hydrostatic power
Description
Differential hydraulic wet disc brakes/Sound-Gard cab standard
CAPACITY
Fuel
83gal / 314.2L
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
7328lbs / 3323kg
POWER TAKE-OFF (PTO)
Rear PTO
independent
Rear RPM
1000 (1.75)
JOHN DEERE 4640 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
14350 to 15700 pounds
Front tire
11.00-16
Rear tire
18.4-38
4640 SERIAL NUMBERS
1979
7422
1989
25729
4640 SERIAL LOCATION
Description
Serial number plate on the rear of the 4640, above the PTO shaft
ELECTRICAL
Ground
negative
Charging system
alternator
Batteries
2
Battery volts
6
About John Deere Tractor
The John Deere 4640 tractor is part of the Iron Horses Series of tractors. The 4640 is a Row-Crop Tractors type, that is used often in Agriculture Tractors. The 4640 tractor is powered by a engine. This setting improves usability in the real world.