John Deere 4320 tractor specifications

1971 - 1972

1971 - 1972 New Generation SeriesRow-Crop tractor

Series:

Series:4020 ← 4320 → 46204430 ↓

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

New Generation Series

Row-Crop tractor

Series:

Series:	4020 ←	4320	→ 4620
		4430 ↓

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

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

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

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

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