John Deere 4640
The John Deere 4640 is a tractor produced by John Deere. It is equipped with a 466 ci 7.6 L engine. The listed engine power is 155.96 hp 116.3 kW. Transmission: John Deere PowerShift. Drive type: 4x2 2WD. Operating weight: 14350 to 15700 pounds.
Engine Power
155.96 hp
116.3 kW
Drive & Traction
4x2 2WD
Fuel & Capacities
83 gal
314.2 L
Transmission
John Deere PowerShift
Operating Weight
14350 to 15700 pounds
Overview
 | 1978 - 1982
Iron Horses SeriesRow-Crop tractor
Iron Horses Series
Row-Crop tractor |
|---|
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 Engine | |
|---|---|
John Deere 7.6L 6-cyl diesel | |
Engine details ...  |
John Deere 4640 Power | |
|---|---|
PTO (claimed) | 155 hp
115.6 kW |
Drawbar (tested) | 132.44 hp
98.8 kW |
PTO (tested) | 156.30 hp
116.6 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Drive | 4x2 2WD |
4x4 HFWD 4WD | |
Differential lock | pedal-actuated hydraulic |
Steering | hydrostatic power |
Differential hydraulic wet disc brakes | |
Sound-Gard cab standard. | |
Capacity | |
|---|---|
Fuel | 83 gal
314.2 L |
Hydraulic system | 16.5 gal
62.5 L |
Hydraulics | |
|---|---|
Type | closed center |
Capacity | 16.5 gal
62.5 L |
Valves | 2 or 3 |
Pump flow | 23 gpm
87.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | III/IIIN |
Rear lift | 7328 lbs
3323 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 1000 (1.75) |
Dimensions & Tires | |
|---|---|
Wheelbase | 118.5 inches
300 cm |
Weight | 14350 to 15700 pounds |
Front tire | 11.00-16 |
Rear tire | 18.4-38 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Batteries | 2 |
Battery volts | 6 |
References | |
|---|---|
 | |
The New Iron Horses published in 1978, by John Deere | |
Tractors 90 to 180 HP published in 1979, by John Deere | |
Tractors 90, 110, 130, 155, 180 HP published in 1979, by John Deere | |
Row-Crop Tractors Product Information Handbook published in 1977, by John Deere | |
40 Series Row-Crop Tractors Product Information Handbook published in 1982, by John Deere | |
Performance on the Leading Edge published in 1978, by John Deere | |
Performance on the Leading Edge published in 1978, by John Deere |
Engine
Engine Detail — 466 ci / 7.6 L Diesel
Manufacturer | John Deere |
Configuration | turbocharged intercooled diesel, 6-cylinder, liquid-cooled |
Displacement | 466 ci
7.6 L |
Bore/Stroke | 4.5625x4.75 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 |
Transmission
Transmission options | |
|---|---|
16-speed partial power shift | |
8-speed full power shift |
Transmission — John Deere Quad-Range
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. | |
 | |
Transmission — John Deere PowerShift
Transmission | John Deere PowerShift |
Type | full power shift |
Gears | 8 forward and 4 reverse |
Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work. | |
 | |
Dimensions
John Deere 4640 Tires | |
|---|---|
Ag front | 11.00-16 |
Ag rear | 18.4-38 |
Ag front | 10.00-16 |
14L-16.1 | |
16.5L-16.1 | |
9.50-20 | |
Ag rear | 24.5-32 |
30.5-32 | |
20.8-38 | |
18.4-42 | |
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 |
Tests
Tractor Tests | |
|---|---|
NTTL 1264: diesel 16-speed 2WD | |
NTTL 1358: diesel 8-speed 2WD |
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 | |
|---|---|
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. | |
Recommended Implements & Sizing Guide
Engineering recommendations for John Deere 4640 based on its 155.96 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 5 to 7 Bottom (18")5 - 7 铧 (45 cm) | Commercial / Field Scale | Large acreage tillage; requires front ballast weights. |
Rotary Cutter / MowerMowing & Clearing | 15 to 20 ft Batwing4.6 - 6.1 m 宽幅折叠翼 | Commercial / Field Scale | Large commercial field and roadside mowing operations. |
Rotary TillerSeedbed Prep | 90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机 | Commercial / Field Scale | Deep intensive seedbed preparation for commercial row crops. |
Disc HarrowSecondary Tillage | 15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙 | Commercial / Field Scale | Wide commercial field leveling; requires hydraulic remotes. |
Hay BalerHay & Forage | Large Square Baler (3x4 or 4x4)大方捆商用打捆机 (1.2x1.2 m) | Commercial / Field Scale | High-capacity commercial forage harvesting (1000 RPM PTO). |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 4640.
Estimated Continuous Field Runtime: 10.2 hrs
Approximately 10.2 hours of continuous field operation at ~75% rated power on a full tank (83 gal / 314.2 L).
Estimated 75% Load Fuel Burn~8.1 gal/hr (30.7 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
John Deere 4640 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 4640.
Converted Equivalents:
Horsepower (HP)156 hp
Kilowatts (kW)116.3 kW
Metric Horsepower (PS / CV)158.1 PS
Direct Competitor Comparison
Compare John Deere 4640 against same-era industry alternatives in the same horsepower class.
Current Model
John Deere
John Deere 4640
Engine Power:155.96 hp
116.3 kW
★ Baseline Reference
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