4320 by Deere

1971 - 1972

1971 - 1972 New Generation SeriesRow-Crop tractor

Series:

Series:4020 ← 4320 → 46204430 ↓

1963 - 1972

1963 - 1972
New Generation Series
Row-Crop tractor

Production

Production
Manufacturer:John Deere
Type:Row-Crop tractor
Factories:Waterloo, Iowa, USA
 Mexico
Total built:184,879 (total)
 8,123 (gas)
 8,445 (LP)
 168,311 (diesel)
 17,732 (standard)
Original price:$10,345 (1972 )

Variants

Variants
4020:row-crop
4020S:standard
4020HC:high-crop
600:industrial

John Deere 4020 Power

John Deere 4020 Power
Drawbar (tested):83.79 hp
62.5 kW
PTO (tested):95.83 hp
71.5 kW
power test details ...

John Deere 4020 Engines

John Deere 4020 Engines
John Deere 6.6L 6-cyl diesel
John Deere 5.6L 6-cyl gasoline
John Deere 5.9L 6-cyl gasoline
John Deere 5.9L 6-cyl LP gas
Engine details ...

Mechanical

Mechanical
Chassis:4x2 2WD
 4x4 HFWD 4WD*Front-wheel assist was optional after 1969.
Differential lock:mechanical rear*Optional
Steering:power
Brakes:hydraulic wet disc
Cab:Open operator station. Cab optional.
Transmissions:8-speed partially synchronized
 8-speed full power shift
Transmission details ...

Capacity

Capacity
Gasoline Fuel:34 gal
128.7 L
Diesel Fuel:34 gal
128.7 L
LP-gas Fuel:45 gal
170.3 L
Syncro-Range Hydraulic system:10 gal
37.9 L
Power Shift Hydraulic system:12 gal
45.4 L

Hydraulics

Hydraulics
Type:closed center
Syncro-Range Capacity:10 gal
37.9 L
Power Shift Capacity:12 gal
45.4 L
Pressure:2250 psi
155.1 bar
Valves:1
SCV flow:6 gpm
22.7 lpm
Total flow:18 gpm
68.1 lpm (early)

Tractor hitch

Tractor hitch
Rear Type:II
Rear lift:3790 lbs
1719 kg

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:independent
Rear RPM:540/1000
 1000
Engine RPM:540@1900
1000@1900
Front PTO:independent
Front RPM:1000
Engine RPM:1000@1900

Dimensions & Tires

Dimensions & Tires
Row crop Wheelbase:97.5 inches
247 cm
Standard Wheelbase:100.25 inches
254 cm
Weight:8225 to 9560 pounds
Front tire:6.00-16
Rear tire:15.5-38
Full dimensions and tires ...

John Deere 4020 attachments

John Deere 4020 attachments
front-end loader
Attachment details ...

4020 Serial Numbers

4020 Serial Numbers
Location:Serial number plate on the rear of the 4020 transmission case.
photo of 4020 serial number
1964:65000
1965:91000
1966:119000
1967:145660
1968:173982
1969:201000
1970:222160
1971:250000
1972:260791
Final:270288

how to read serial numbers...

Electrical

Electrical
Ground:positive (1964-1969)
 negative (1969-1972)
 floating (24V)
Charging system:Motorola alternator
Charging amps:55
Batteries:2 (24V system)
 1 (12V system)
Battery volts:12
Battery AH:75

Production

Production Manufacturer:John Deere
Type:Row-Crop tractor
Factory:Waterloo, Iowa, USA
Total built:21,485
Original price:$12,000 (1972 )
The John Deere 4320 might be called a 4020 with a turbocharged engine, although both the engine and final drives received upgrades. The 4320 was created to fill a horsepower gap in the Deere lineup between the 4020 and the 4520/4620.

John Deere 4320 Power

John Deere 4320 Power PTO (claimed):115 hp
85.8 kW
Drawbar (tested):101.7 hp
75.8 kW
PTO (tested):116.55 hp
86.9 kW
power test details ...

1971 - 1972

1971 - 1972
New Generation Series
Row-Crop tractor

Series:

Series:4020 ← 4320 → 4620
4430 ↓

Nebraska Tractor Test 1050

Nebraska Tractor Test 1050

Nebraska Tractor Test 1050

Nebraska Tractor Test 1050
Diesel Syncro-Range 2WD
September 21 - 26, 1970
Link: Nebraska Tractor Test 1050 file
PTO performance
Power at rated engine speed:116.55 hp
86.9 kW
Fuel use:8.0 gal/hour
30.3 l/hour
Power at rated PTO speed:108.02 hp
80.6 kW
Fuel use:7.0 gal/hour
26.5 l/hour
Drawbar performance
Max power:101.7 hp
75.8 kW
Fuel use:8.0 gal/hour
30.3 l/hour
Gear 4 used for power test.
Max pull:11,783 lbs
5344 kg
Gear 2 used for pull test.

John Deere 4320 Engine

John Deere 4320 Engine John Deere 6.6L 6-cyl diesel Engine details ...

1971 - 1972

1971 - 1972
New Generation Series
Row-Crop tractor

Series:

Series:4020 ← 4320 → 4620
4430 ↓

Engine Detail

Engine Detail
John Deere
turbocharged diesel
6-cylinder
liquid-cooled
Displacement:404 ci
6.6 L
Bore/Stroke:4.25x4.75 inches
108 x 121 mm
Fuel use:7.953 gal/hour
30.1 l/hour
Air cleaner:paper elements
Compression:15.7:1
Rated RPM:2200
Idle RPM:800-2200
Operating RPM:1500-2200
Firing order:1-5-3-6-2-4
Starter volts:12
Oil capacity:16 qts
15.1 L
Coolant capacity:28 qts
26.5 L

Mechanical

Mechanical Chassis:4x2 2WD
 4x4 HFWD 4WD
Steering:power
Brakes:differential hydraulic wet disc
Cab:Open operator station. Two-post ROPS and canopy optional. Cab optional.
Transmission:8-speed partially synchronized
Transmission details ...

1971 - 1972

1971 - 1972
New Generation Series
Row-Crop tractor

Series:

Series:4020 ← 4320 → 4620
4430 ↓

Transmission

Transmission
Transmission:John Deere Syncro-Range
Type:partially synchronized
Gears:8 forward and 2 reverse
Clutch:13.5-inch dry disc
Oil capacity:56 qts
53.0 L

Speeds

Speeds

Capacity

Capacity Fuel:44 gal
166.5 L
Hydraulic system:14 gal
53.0 L

Hydraulics

Hydraulics Type:closed center
Capacity:14 gal
53.0 L
Valves:1 to 3
Pump flow:22 gpm
83.3 lpm

Tractor hitch

Tractor hitch Rear Type:II
Rear lift:3750 lbs
1701 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:independent
Rear RPM:540/1000
 1000

Dimensions & Tires

Dimensions & Tires Wheelbase:106.5 inches
270 cm
Weight:9050 to 10675 pounds
Front tire:10.00-16
Rear tire:18.4-34
Full dimensions and tires ...

1971 - 1972

1971 - 1972
New Generation Series
Row-Crop tractor

Series:

Series:4020 ← 4320 → 4620
4430 ↓

John Deere 4320 Tires

John Deere 4320 Tires
Ag front:10.00-16
Ag rear:18.4-34
Ag front:11.00-12 (single front)
 7.50-15
 7.50-16
 7.50-18
 11L-15
 11.2-24 (4WD)
 12.4-24 (4WD)
Ag rear:15.5-38
 16.9-38
 18.4-38
 23.1-30
 20.8-34
 13.6-38 (duals)
 15.5-38 (duals)
 16.9-38 (duals)
 18.4-34 (duals)

Dimensions

Dimensions
Wheelbase:106.5 inches
270 cm
Length:159.3 inches
404 cm
Width:89.6 inches
227 cm
 95.9 inches
243 cm (long axle)
 103.9 inches
263 cm (extra long axle)
 113 inches
287 cm (dual axle)
Height:107 inches
271 cm
Height (steering wheel):81.4 inches
206 cm
Clearance (front axle):24.5 inches
62 cm (adjustable)
 21 inches
53 cm (standard)
Clearance (rear axle):27.8 inches
70 cm
 26 inches
66 cm (rear housing)
Clearance (drawbar):15 inches
38 cm
Rear axle:3.375 inch diameter
85 mm
Front tread:10.7 to 15.8 inches
27 to 40 cm (tricycle)
Front tread:50.8 to 79.9 inches
129 to 202 cm
Front tread:8.8 to 87.9 inches
22 to 223 cm (wide)
Front tread:55.5 to 60.8 inches
140 to 154 cm (standard)
Front tread:64 to 82 inches
162 to 208 cm (4WD)
Front tread:70 to 88 inches
177 to 223 cm (4WD wide)
Rear tread:60 to 91 inches
152 to 231 cm (cast wheels)
Rear tread:60 to 96 inches
152 to 243 cm (offset wheels)
Rear tread:60 to 97 inches
152 to 246 cm (long axle)
Rear tread:60 to 102 inches
152 to 259 cm (offset long axle)
Rear tread:67 to 105 inches
170 to 266 cm (extra long axle)
Rear tread:60 to 110 inches
152 to 279 cm (offset long axle)
Rear tread:66 to 115 inches
167 to 292 cm (dual axle)
Rear tread:60 to 120 inches
152 to 304 cm (offset dual axle)

John Deere 4320 Weight

John Deere 4320 Weight
Shipping:9,050 lbs
4105 kg
Operating:10,675 lbs
4842 kg
Ballasted:14,380 lbs
6522 kg

John Deere 4320 attachments

John Deere 4320 attachments front-end loader Attachment details ...

1971 - 1972

1971 - 1972
New Generation Series
Row-Crop tractor

Series:

Series:4020 ← 4320 → 4620
4430 ↓

John Deere 148 Loader

John Deere 148 Loader
Loader weight:1350 lbs
612 kg
Height (to pin):126 inches
320 cm
Clearance, dumped bucket:102 inches
259 cm
Dump reach:32 inches
81 cm
Dump angle:38°

Clearance, level bucket:121 inches
307 cm
Rollback angle:11°

Breakout force (lift):4700 lbs
2131 kg
Lift to full height (at pin):3100 lbs
1406 kg
Bucket capacity:0.5 cu yd
0.4 cu m
 0.6 cu yd
0.5 cu m
 0.8 cu yd
0.6 cu m
 0.9 cu yd
0.7 cu m
Bucket width:60 inches
152 cm
 72 inches
182 cm
 84 inches
213 cm
 96 inches
243 cm

John Deere 158 Loader

John Deere 158 Loader
Loader weight:1771 lbs
803 kg
Height (to pin):156 inches
396 cm
Clearance, dumped bucket:132 inches
335 cm
Dump reach:32 inches
81 cm
Dump angle:37°

Clearance, level bucket:151 inches
383 cm
Rollback angle:12°

Breakout force (lift):5000 lbs
2268 kg
Lift to full height (at pin):3800 lbs
1723 kg
Bucket capacity:0.5 cu yd
0.4 cu m
 0.6 cu yd
0.5 cu m
 0.8 cu yd
0.6 cu m
 0.9 cu yd
0.7 cu m
Bucket width:60 inches
152 cm
 72 inches
182 cm
 84 inches
213 cm
 96 inches
243 cm

4320 Serial Numbers

4320 Serial Numbers 1971:6000
1972:17031
Final:27484

how to read serial numbers...

Electrical

Electrical Ground:negative

4320 relate tractors