Search
Find your tractor.
Menu ☰
Years in Production / 1979–1982
John Deere
8640
Explore the specifications, hardware, and original references for the John Deere 8640.
275hp
Source index power
4x4 Only
Drive
1979–1982
Production years
John Deere
Manufacturer
8640 / 01
At a glance
Overview
1979 - 1982
Iron Horses Series
Four-wheel Drive (4WD) tractor
Production
Four-wheel Drive (4WD) tractor
Built in Waterloo, Iowa, USA
Original price was $80,000 in 1982
- Manufacturer
- John Deere
Mechanical
Four-wheel drive
Articulated power steering
Hydraulic wet disc brakes
Cab standard
- Differential Lock
- hydraulic front and rear
Capacity
- Fuel
- 214 gal810.0 L
- Hydraulic System
- 41 gal155.2 L
Hydraulics
- Type
- closed center
- Capacity
- 41 gal155.2 L
- Valves
- 2
- Pump Flow
- 33 gpm124.9 lpm
Hitch
- Rear Type
- III/IIIN
- Rear Lift
- 8545 lbs3876 kg
Pto
- Rear Pto
- independent
- Rear Type
- 1000
- Engine Rpm
- 1000@2100
Serial Numbers
FAQ: How to read a serial number table.
- 1979
- 1500
- 1980
- 3198
- 1981
- 5704
- 1982
- 7960
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 90
- Batteries
- 2
- Battery Cca
- 975
- Battery Volts
- 6
8640 / 02
Under the hood
Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled
- Displacement
- 619 ci10.1 L
- Bore Stroke
- 5.12x5.00 inches130 x 127 mm
- Power
- 275 hp205.1 kW
- Air Cleaner
- dual paper elements
- Compression Ratio
- 15.2:1
- Rated Rpm
- 2100
- Idle Rpm
- 800-2300
- Operating Rpm
- 1500-2100
- Starter Volts
- 12
- Oil Capacity
- 26 qts24.6 L
- Coolant Capacity
- 48 qts45.4 L
- Cylinders
- 6
- Cooling
- liquid-cooled
Engine Options
John Deere 10.1L 6-cyl diesel
8640 / 03
Gears & controls
Transmission
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.
- Transmission
- John Deere Quad-Range
- Transmission Type
- partial power shift
- Gears
- 16 forward and 6 reverse
- Clutch
- hydraulic wet disc
- Oil Capacity
- 164 qts155.2 L
- Speeds Description
- With 18.4-38 tires.
John Deere8640 Transmission
16-speed partial power shift
8640 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 223.5 in567 cm
- Height (cab)
- 126.6 in321 cm
- Wheelbase
- 125 in317 cm
- Ground clearance
- 18.4 in46 cm
- Front tread
- 63 in160 cm
- Rear tread
- 63 in160 cm
Dimensions And Tires
- Wheelbase
- 125 inches317 cm
- Weight
- 28,270 lbs12823 kg
- Front Tire
- 18.4-34
- Rear Tire
- 18.4-34
Serial Number Location
On transmission case on the rear of the 8640.
Tires And Tracks
- Front Ag
- 18.4-34
- Rear Ag
- 18.4-34
8640 / 05
Tractor Photos
See it in action
Videos
Watch John Deere 8640 videos from their original YouTube creators.
8640 / 07
Tests (NTTL)
Nebraska Tractor Test 1324
Diesel 16-speed 4WDSeptember 11 - 18, 1979
PTO performance
Drawbar performance
- Id
- 1324
- Power At Rated Engine Speed
- 228.75 hp170.6 kW
- Fuel Use
- 14.7 gal/hour55.6 l/hour
- Fuel Use
- 14.5 gal/hour54.9 l/hour
- Max Power
- 203.34 hp151.6 kW
- Max Pull
- 27,782 lbs12601 kg