John Deere 4640

John Deere 4640 Row-Crop tractor Technical Specifications

John Deere 4640 is a Row-Crop tractor that was produced by the John Deere between 1978 – 1982.

Below you will find detailed technical specifications for John Deere 4640 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 4640 Production

Manufacturer John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Original price $46,316 (1982 Quad-Range ROPS 2WD )
$53,123 (1982 Power Shift Cab 2WD )

John Deere 4640 Power

Engine: 132.44 hp
98.8 kW
PTO (tested) 156.30 hp
116.6 kW

John Deere 4640 Electrical

Ground negative
Charging system alternator
Batteries 2
Battery volts 6

John Deere 4640 Mechanical

Drive 4×2 2WD
  4×4 HFWD 4WD
Differential lock pedal-actuated hydraulic
Steering hydrostatic power
Differential hydraulic wet disc brakes
Sound-Gard cab standard.


Fuel 83 gal
314.2 L
Hydraulic system 16.5 gal
62.5 L


Type closed center
Capacity 16.5 gal
62.5 L
Valves 2 or 3
Pump flow 23 gpm
87.1 lpm

Tracktor Hitch

Rear Type III/IIIN
Rear lift 7328 lbs
3323 kg

Power Take-off (PTO)

Rear PTO independent
Rear RPM 1000 (1.75)

Title serial numbers

1978 1000
1979 7422
1980 13860
1981 19459
1982 25729

FAQ: How to read a serial number table.

What year is my John Deere 4640? Serial Number Decoder

The serial number list shows the first tractor built in each year. The other tractors for that year will have successively higher numbers. Your serial number should be between two of the stated numbers.

The list only includes the numbers of the first tractors produced in each year. Your serial should be somewhere between two numbers.Unless you happen to be the first person to own a tractor, your number will not appear on the list.

John Deere 4640 Engine detail

Engine Detail
John Deere
turbocharged intercooled diesel
Displacement 466 ci
7.6 L
Bore/Stroke 4.5625×4.75 inches
116 x 121 mm
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 20 qts
18.9 L
Coolant capacity 38 qts
36.0 L

John Deere 4640 Transmission overview

Engine Oil

Transmission John Deere Quad-Range
Type partial power shift
Gears 16 forward and 6 reverse
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.

John Deere 4640 Dimensions

Wheelbase 118.5 inches
300 cm
Length 171 inches
434 cm
Width 96 inches
243 cm
  108 inches (long axle)
274 cm
  118 inches (long axle)
299 cm
Height (cab) 117 inches
297 cm
Ground clearance 14.9 inches
37 cm
Clearance (front axle) 26 inches
66 cm
Clearance (rear axle) 28 inches
71 cm
Rack-and-pinion rear axle 3.937 by 96 inches
99 by 2438 mm
Rack-and-pinion rear axle 3.937 by 108 inches
99 by 2743 mm
Rack-and-pinion rear axle 3.937 by 118 inches
99 by 2997 mm
Front tread 58 to 100 inches
147 to 254 cm
Rear tread 60 to 131.5 inches
152 to 334 cm

John Deere 4640 Weight
Shipping 14350 lbs
6509 kg
Operating 15700 lbs (duals)
7121 kg
Ballasted 18585 lbs
8430 kg

John Deere 4640 Tests

Nebraska Tractor Test 1264

Nebraska Tractor Test 1264
Diesel 16-speed 2WD
November 2 – 21, 1977
Link: Nebraska Tractor Test 1264 file
PTO performance
Power at rated engine speed 156.30 hp
116.6 kW
Fuel use 10.0 gal/hour
37.9 l/hour
Drawbar performance
Max power 130.33 hp
97.2 kW
Fuel use 9.8 gal/hour
37.1 l/hour
Max pull 15,362 lbs
6968 kg

Nebraska Tractor Test 1358

Nebraska Tractor Test 1358
Diesel 8-speed 2WD
August 18 – 28, 1980
Link: Nebraska Tractor Test 1358 file
PTO performance
Power at rated engine speed 155.96 hp
116.3 kW
Fuel use 9.9 gal/hour
37.5 l/hour
Power at rated PTO speed 157.01 hp
117.1 kW
Fuel use 9.9 gal/hour
37.5 l/hour
Drawbar performance
Max power 132.44 hp
98.8 kW
Fuel use 9.8 gal/hour
37.1 l/hour
Gear 4 used for power test.
Max pull 15,989 lbs
7252 kg
Gear 2 used for pull test.


Is John Deere 4640 a good tractor?

The John Deere 4640 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 4640 take?

Check out the John Deere 4640 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 4640?

The John Deere 4640 was an agricultural tractor model made from 1978 – 1982

How much horsepower is a John Deere 4640?

The 4640 engine tested at 132.44 hp
98.8 kW drawbar and 156.30 hp
116.6 kW kW PTO horsepower.

How much does a John Deere 4640 tractor weight?

Depending on the engine type, the John Deere 4640 weight ranges from 14350 to 15700 pounds .

How much can a John Deere 4640 Pull?

The max pulling capacity of the John Deere 4640 tractors starts at 15,362 lbs
6968 kg but may be slightly higher depending on the trim.

How much can a John John Deere 4640 Lift?

John Deere 4640 tractor hitch is capable of lifting 7328 lbs
3323 kg.

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