4620 by Deere

1971 - 1972

1971 - 1972 Row-Crop tractor

Production

Production Manufacturer:John Deere
Type:Row-Crop tractor
Factory:Waterloo, Iowa, USA
Total built:6,928
 5,045 (Syncro-Range)
 1,883 (Power Shift)
Original price:$15,000 (1972 )

John Deere 4620 Power

John Deere 4620 Power PTO (claimed):135 hp
100.7 kW
Drawbar (tested):115.75 hp
86.3 kW
PTO (tested):135.76 hp
101.2 kW
power test details ...

1971 - 1972

1971 - 1972
Row-Crop tractor

Nebraska Tractor Test 1064

Nebraska Tractor Test 1064

Nebraska Tractor Test 1064

Nebraska Tractor Test 1064
Diesel PowerShift 2WD
April 20 - May 4, 1971
Link: Nebraska Tractor Test 1064 file
PTO performance
Power at rated engine speed:135.62 hp
101.1 kW
Fuel use:9.2 gal/hour
34.8 l/hour
Power at rated PTO speed:130.79 hp
97.5 kW
Fuel use:8.3 gal/hour
31.4 l/hour
Drawbar performance
Max power:110.92 hp
82.7 kW
Fuel use:9.1 gal/hour
34.4 l/hour
Gear 4 used for power test.
Max pull:14,471 lbs
6564 kg
Gear 2 used for pull test.

Nebraska Tractor Test 1073

Nebraska Tractor Test 1073

Nebraska Tractor Test 1073

Nebraska Tractor Test 1073
Diesel SyncroRange 2WD
June 16 - 22, 1971
Link: Nebraska Tractor Test 1073 file
PTO performance
Power at rated engine speed:135.76 hp
101.2 kW
Fuel use:9.2 gal/hour
34.8 l/hour
Power at rated PTO speed:130.27 hp
97.1 kW
Fuel use:8.4 gal/hour
31.8 l/hour
Drawbar performance
Max power:115.75 hp
86.3 kW
Fuel use:9.1 gal/hour
34.4 l/hour
Gear 4 used for power test.
Max pull:13,916 lbs
6312 kg
Gear 2 used for pull test.

John Deere 4620 Engine

John Deere 4620 Engine John Deere 6.6L 6-cyl diesel Engine details ...

1971 - 1972

1971 - 1972
Row-Crop tractor

Engine Detail

Engine Detail
John Deere
intercooled turbocharged diesel
6-cylinder
liquid-cooled
Displacement:404 ci
6.6 L
Bore/Stroke:4.25x4.75 inches
108 x 121 mm
Air cleaner:dry with safety element
Compression:16.4:1
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
Final drives:planetary
Differential lock:hydro-mechanical rear
Steering:hydrostatic power
Brakes:hydraulic wet disc
Cab:Open operator station. Optional two-post Roll-Gard ROPS and canopy. Cab optional.
Transmissions:8-speed partially synchronized
 8-speed full power shift
Transmission details ...

1971 - 1972

1971 - 1972
Row-Crop tractor

Transmissions overview

Transmissions overview
8-speed partially synchronized
8-speed full power shift

Transmission

Transmission
Transmission:John Deere Syncro-Range
Type:partially synchronized
Gears:8 forward and 2 reverse
Clutch:14.75-inch dry disc
Oil capacity:64 qts
60.6 L

Speeds

Speeds

Transmission

Transmission
Transmission:John Deere Power Shift
Type:full power shift
Gears:8 forward and 4 reverse
Clutch:hydraulic wet discs
Oil capacity:72 qts
68.1 L

Speeds

Speeds
With 20.8-38 rear tires.

Capacity

Capacity Fuel:50 gal
189.3 L
Hydraulic system:16 gal
60.6 L (Syncro)
 18 gal
68.1 L (Powershift)

Hydraulics

Hydraulics Type:closed center
Capacity:16 gal
60.6 L (Syncro)
 18 gal
68.1 L (Powershift)

Tractor hitch

Tractor hitch Rear Type:III/II

Power Take-off (PTO)

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

Dimensions & Tires

Dimensions & Tires Wheelbase:106.5 inches
270 cm
Weight:12980 to 14930 pounds
Front tire:11.00-16
Rear tire:20.8-38
Full dimensions and tires ...

1971 - 1972

1971 - 1972
Row-Crop tractor

John Deere 4620 Tires

John Deere 4620 Tires
Ag front:11.00-16
Ag rear:20.8-38
Ag front:9.50-20
 10.00-16
 14L-16A
 14.9-24 (4WD)
Ag rear:18.4-38
 24.5-32
 12.4-42 (duals)
 15.5-38 (duals)
 16.9-38 (duals)
 18.4-38 (duals)
 20.8-38 (duals)

Dimensions

Dimensions
Wheelbase:106.5 inches
270 cm
Length:170.7 inches
433 cm
Width:95.8 inches
243 cm
 108 inches
274 cm (long axle)
 118 inches
299 cm (extra long axle)
Height:106 inches
269 cm
Height (steering wheel):87 inches
220 cm
Clearance (front axle):23.8 inches
60 cm
Clearance (rear axle):31.1 inches
78 cm
 29.4 inches
74 cm (rear housing)
Clearance (drawbar):17.8 inches
45 cm
Front tread:56 to 84.8 inches
142 to 215 cm
Front tread:64 to 88 inches
162 to 223 cm (wide axle)
Front tread:72 to 88 inches
182 to 223 cm (4WD)
Rear tread:70 to 100 inches
177 to 254 cm (cast wheels)
Rear tread:60 to 107.5 inches
152 to 273 cm (offset wheels)
Rear tread:70 to 112 inches
177 to 284 cm (long axle)
Rear tread:60 to 120 inches
152 to 304 cm (offset long axle)
Rear tread:70 to 122 inches
177 to 309 cm (extra long axle)
Rear tread:60 to 130 inches
152 to 330 cm (cast extra long axle)

John Deere 4620 Weight

John Deere 4620 Weight
Shipping:12980 lbs
5887 kg
Operating:14930 lbs
6772 kg
Ballasted:18640 lbs
8455 kg

4620 Serial Numbers

4620 Serial Numbers Location:Serial number plate on the rear of the tractor, above the PTO shaft.
photo of 4620 serial number
1971:10001
1972:13692
Final:16967

how to read serial numbers...

Electrical

Electrical Ground:negative
Charging system:alternator
Batteries:2
Battery volts:6

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