John Deere 8640

John Deere 8640 Four-wheel Drive (4WD) tractor Technical Specifications

John Deere 8640 is a Row-Crop tractor that was produced by the John Deere between 1979 – 1982.

Below you will find detailed technical specifications for John Deere 8640 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 8640 Production














Manufacturer:
Manufacturer: John Deere
Type: Four-wheel Drive (4WD) tractor
Factory: Waterloo, Iowa, USA
Original price: $80,000 (1982 )


John Deere 8640 Power













Engine:
Engine: 275 hp
205.1 kW
PTO (claimed): 225 hp
167.8 kW
Drawbar (tested): 203.34 hp
151.6 kW
PTO (tested): 228.75 hp
170.6 kW

John Deere 8640 Electrical



















Ground: negative
Charging system: alternator
Charging amps: 90
Batteries: 2
Battery CCA: 975
Battery volts: 6

John Deere 8640 Mechanical

























Chassis: 4×4 articulated 4WD
Differential lock: hydraulic front and rear
Steering: articulated power
Brakes: hydraulic wet disc
Cab: Cab standard
Transmission: 16-speed partial power shift

Capacity







Fuel: 214 gal
810.0 L
Hydraulic system: 41 gal
155.2 L

Hydraulics













Type: closed center
Capacity: 41 gal
155.2 L
Valves: 2
Pump flow: 33 gpm
124.9 lpm

Tracktor Hitch







Rear Type: III/IIIN
Rear lift: 8545 lbs
3876 kg

Power Take-off (PTO)










Rear PTO: independent
Rear RPM: 1000
Engine RPM: 1000@2100

John Deere 8640 Engine detail











































Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled
Displacement: 619 ci
10.1 L
Bore/Stroke: 5.12×5.00 inches
130 x 127 mm
Power: 275 hp
205.1 kW
Air cleaner: dual paper elements
Compression: 15.2:1
Rated RPM: 2100
Idle RPM: 800-2300
Operating RPM: 1500-2100
Starter volts: 12
Oil capacity: 26 qts
24.6 L
Coolant capacity: 48 qts
45.4 L



John Deere 8640 Transmission overview

Engine Oil

















Transmission: John Deere Quad-Range
Type: partial power shift
Gears: 16 forward and 6 reverse
Clutch: hydraulic wet disc
Oil capacity: 164 qts
155.2 L
Four gears (1-4) in four ranges (A-D). Tractor must be stopped to select range. Power shift between gears 1-2 and 3-4 within range.

John Deere 8640 Dimensions































Wheelbase: 125 inches
317 cm
Length: 223.5 inches
567 cm
Operating weight: 28,270 lbs
12823 kg
Ground clearance: 18.4 inches
46 cm
Front axle: Rack-and-pinion: 3.937 by 95.8 inches
99 by 2433 mm
Front axle: Rack-and-pinion: 3.937 by 118.4 inches
99 by 3007 mm
Rear axle: Rack-and-pinion: 3.937 by 95.8 inches
99 by 2433 mm
Rear axle: Rack-and-pinion: 3.937 by 118.4 inches
99 by 3007 mm
Front tread: 63 to 130 inches
160 to 330 cm
Rear tread: 63 to 130 inches
160 to 330 cm













John Deere 8640 Height
Hood: 87.1 inches
221 cm
Cab: 126.6 inches
321 cm
Exhaust: 134.5 inches
341 cm

John Deere 8640 Tests

Nebraska Tractor Test 1324



































Nebraska Tractor Test 1324
Diesel 16-speed 4WD
September 11 – 18, 1979
Link: Nebraska Tractor Test 1324 file
PTO performance
Power at rated engine speed: 228.75 hp
170.6 kW
Fuel use: 14.7 gal/hour
55.6 l/hour
Drawbar performance
Max power: 203.34 hp
151.6 kW
Fuel use: 14.5 gal/hour
54.9 l/hour
Max pull: 27,782 lbs
12601 kg

FAQ

Is John Deere 8640 a good tractor?

The John Deere 8640 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 8640 take?

Check out the John Deere 8640 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 8440

The John Deere 8640 was an agricultural tractor model made from 1979 – 1982

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