John Deere

4640

Farm tractor · 1978–1982 · 172 hp

John Deere4640
EngineTransmissionHydraulicsPTOHitchDimensionsWeightTires & TracksFuelSteeringCabCompatible ImplementsNebraska TestsMore John Deere

The John Deere 4640 is a farm tractor manufactured from 1978 to 1982. It features a John Deere engine, and hydrostatic 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
Displacement466 ci (7.6 L)
Bore4.56 in (116 mm)
Stroke4.75 in (121 mm)
Compression Ratio14.9
Power Gross185.1 hp (138 kW)
Power Net174.3 hp (130 kW)
Power PTO156.3 hp (116.6 kW)
Power Drawbar132.44 hp (98.8 kW)
Torque Peak529.6 lb-ft (718.1 Nm)
Torque Peak1,400 RPM
Fuel Systemdirect injection
Starter Volts12
Starter Typeelectric
Oil Capacity20.1 qts (19 L)
Coolant Capacity38 qts (36 L)
ManufacturerJohn Deere
Rated2,200 RPM
Idle800-2400 RPM

Transmission

Transmission Typepartial power shift
Transmission ModelQuad-Range
Gears16 forward and 6 reverse
Shift Mechanismpower shift
Available Options16-speed partial power shift, 8-speed full power shift

Hydraulics

Typeclosed center
Pump Flow23 gpm (87.1 lpm)
System Capacity16.5 gal (62.5 L)

PTO

Rear Typeindependent

Hitch

Rear TypeIII/IIIN
Rear Lift7,328 lbs (3,323 kg)

Dimensions

Length171.1 in (434 cm)
Height Cab118.1 in (299 cm)
Wheelbase118.5 in (300 cm)

Weight

Shipping14,350 lbs (6,509 kg)

Tires & Tracks

Front Ag11.00-16
Rear Ag20.8-38

Fuel

Capacity83 gal (314.2 L)

Steering

Typehydrostatic power

Cab

CabSound-Gard cab standard

Compatible Implements

ModelTypeWidthMin HP
Land Pride DB2660Rotary Cutters60"75 hp
Land Pride DBM2660Rotary Cutters60"75 hp
Land Pride RCP2760Rotary Cutters60"75 hp
Land Pride RCPM2760Rotary Cutters60"75 hp
Land Pride RCP3760Rotary Cutters60"95 hp
Land Pride RCPM3760Rotary Cutters60"95 hp

Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.

These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.

Nebraska Tests

NTTLTest #1264
November 2 to 21, 1977 shaft Hp Air Barometer Air Ib/hp.hr speed gal/hr (kW) Hp.hr/gal Cooling dry inch Hg wet

Nebraska Tractor Test

PTO Power
156.3HP
Sound
88dB(A)
NTTLTest #1358
August 18-28, 1980, Cab sound Temperature °F (°C) shaft Hp Barometer Air Air test No. 80-4 November 19, 1980 (kW) 1b/hp.hr gal/hr Cooling speed inch Hg wet Hp.hr/gal dry medium bulb (kg/kW.h) rpm (Uh) (kW.h/l) (RPa) bulb

Nebraska Tractor Test

PTO Power
28.96HP
Drawbar
134.77HP
Sound
87.5dB(A)
NTTLTest #1358
August 18-28, 1980, Cab sound Temperature °F (°C) shaft Hp Barometer Air Air test No. 80-4 November 19, 1980 (kW) 1b/hp.hr gal/hr Cooling speed inch Hg wet Hp.hr/gal dry medium bulb (kg/kW.h) rpm (Uh) (kW.h/l) (RPa) bulb

Nebraska Tractor Test

PTO Power
28.96HP
Drawbar
134.77HP
Sound
87.5dB(A)
NTTLTest #1264
November 2 to 21, 1977 shaft Hp Air Barometer Air Ib/hp.hr speed gal/hr (kW) Hp.hr/gal Cooling dry inch Hg wet

Nebraska Tractor Test

PTO Power
156.3HP
Sound
88dB(A)