John Deere

8640

Farm tractor · 1979–1982 · 275 hp

The John Deere 8640 is a farm tractor manufactured from 1979 to 1982. It features a John Deere engine, and articulated power steering. The transmission is a partial power shift type with 16 forward and 6 reverse.

Engine

EngineJohn Deere
Fuel Typediesel
Cylinders6
Coolingliquid-cooled
Turbocharger Statusturbocharged diesel
Displacement619 ci (10.1 L)
Bore5.12 in (130 mm)
Stroke5 in (127 mm)
Compression Ratio15.2
Power Gross275 hp (205.1 kW)
Power Rated275 hp (205.1 kW)
Power PTO228.75 hp (170.6 kW)
Power Drawbar203.34 hp (151.6 kW)
Air Cleanerdual paper elements
Starter Volts12
Oil Capacity26 qts (24.6 L)
Coolant Capacity48 qts (45.4 L)
ManufacturerJohn Deere
Rated2,100 RPM
Idle800-2300 RPM

Transmission

Transmission Typepartial power shift
Transmission ModelJohn Deere Quad-Range
Gears16 forward and 6 reverse
Transmission DescriptionFour 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.
Clutchhydraulic wet disc
Oil Capacity164 qts (155.2 L)
Available Options16-speed partial power shift

Hydraulics

Typeclosed center
Pump Flow33 gpm (124.9 lpm)
Valves2
System Capacity41 gal (155.2 L)

Hitch

Rear TypeIII/IIIN
Rear Lift8,545 lbs (3,876 kg)

Dimensions

Length223.5 in (567 cm)
Height Cab126.6 in (321 cm)
Wheelbase125 in (317 cm)
Ground Clearance18.4 in (46 cm)
Front Tread63 in (160 cm)
Rear Tread63 in (160 cm)

Weight

Operating28,270 lbs (12,823 kg)

Tires & Tracks

Front Ag18.4-34
Rear Ag18.4-34

Fuel

Capacity214 gal (810 L)

Steering

Typearticulated power

Cab

Cabstandard

Compatible Implements

ModelTypeWidthMin HP
Bush Hog BH114Rotary Cutters44"15 hp
Land Pride RCR1242Rotary Cutters42"18 hp
Bush Hog BH115Rotary Cutters56"20 hp
BEFCO BRC-142Rotary Cutters42"20 hp
BEFCO BRC-242Rotary Cutters42"20 hp
Land Pride RCR1548Rotary Cutters48"20 hp
Land Pride RCR1248Rotary Cutters48"20 hp
Land Pride RCF2072Rotary Cutters72"20 hp
Land Pride RCR1872Rotary Cutters72"20 hp
Land Pride RCR1860Rotary Cutters60"20 hp
Land Pride RCF2060Rotary Cutters60"20 hp
Land Pride RCR1260Rotary Cutters60"20 hp
Bush Hog BH116Rotary Cutters68"25 hp
Bush Hog BH210-3Rotary Cutters60"25 hp
Land Pride RCR1272Rotary Cutters72"25 hp
BEFCO BRC-248Rotary Cutters48"25 hp
BEFCO BRC-148Rotary Cutters48"25 hp
BEFCO BRC-160Rotary Cutters60"30 hp
Bush Hog BH210-3 variant 2Rotary Cutters72"30 hp
BEFCO BRC-260Rotary Cutters60"30 hp
BEFCO RMD-360Rotary Cutters60"35 hp
Land Pride RCF2760Rotary Cutters60"35 hp
Land Pride RCF2772Rotary Cutters72"35 hp
BEFCO BRC-172Rotary Cutters72"35 hp
Land Pride RCD1884Rotary Cutters84"35 hp
BEFCO BRC-272Rotary Cutters72"35 hp
Bush Hog BH310-2Rotary Cutters60"35 hp
BEFCO RMD-372Rotary Cutters72"40 hp
Land Pride RCF2696Rotary Cutters96"40 hp
Land Pride RCR1884Rotary Cutters84"45 hp
Land Pride RCF2084Rotary Cutters84"45 hp
Bush Hog BH310 variant 2Rotary Cutters72"45 hp
Bush Hog BH210-3 variant 3Rotary Cutters84"50 hp
BEFCO RHD-472Rotary Cutters72"50 hp
Bush Hog BH310 variant 3Rotary Cutters84"55 hp
Land Pride RCF3672Rotary Cutters72"60 hp
Bush Hog BH410 variant 1Rotary Cutters72"60 hp
Land Pride RCF2784 - 3PTRotary Cutters84"60 hp
BEFCO RHD-484Rotary Cutters84"60 hp
Bush Hog BH410 variant 2Rotary Cutters84"70 hp
Land Pride RCF3684 - 3PTRotary Cutters84"70 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride DB2660Rotary Cutters60"75 hp

Confirmed compatible on PTO HP and 3-point hitch category. Verify with your dealer before purchasing.