John Deere

John Deere 4620

The John Deere 4620 is a row-crop tractor produced from 1971 to 1972. It was built in Waterloo, Iowa, USA, with a total production of 6,928 units. It features a John Deere 6.6L 6-cylinder intercooled turbocharged diesel engine, producing an estimated 127.8 hp. Transmission options include an 8-speed partially synchronized Syncro-Range and an 8-speed full power shift Power Shift. The tractor offers 4x2 2WD and 4x4 HFWD 4WD drive options, with planetary final drives and hydro-mechanical rear differential lock. It has a PTO rated at 135 hp and tested drawbar power of 115.75 hp. The 4620 has a wheelbase of 106.5 inches and weighs between 12,980 and 14,930 pounds operating weight. It features an open operator station with optional ROPS, canopy, or cab. Fuel capacity is 50 gallons, and hydraulic system capacity varies by transmission type. The tractor is equipped with a rear independent PTO and a type III/II rear hitch.

Power150 hp[P]

Founded1971 - 1972

Model4620

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Technical Specifications

Detailed specifications and technical data for John Deere 4620

Power

PTO (tested)	135.76 hp (101.2 kW)
PTO (claimed)	135 hp (100.7 kW)
Drawbar (tested)	115.75 hp (86.3 kW)

Engine

Make	John Deere
Type	intercooled turbocharged diesel
Cooling	liquid-cooled
Idle RPM	800-2200
Cylinders	6-cylinder
Rated RPM	2200
Air cleaner	dry with safety element
Bore/Stroke	4.25x4.75 inches (108 x 121 mm)
Displacement	404 ci (6.6 L)
Firing order	1-5-3-6-2-4
Oil capacity	16 qts (15.1 L)
Operating RPM	1500-2200
Starter volts	12
Coolant capacity	28 qts (26.5 L)
Compression ratio	16.4:1

Weight

Shipping	12980 lbs (5887 kg)
Ballasted	18640 lbs (8455 kg)
Operating	14930 lbs (6772 kg)

Capacity

Fuel	50 gal (189.2 L)
Hydraulic system	16 gal (Syncro), 18 gal (Powershift)

Electrical

Ground	negative
Batteries	2
Battery volts	6
Charging system	alternator

Hydraulics

Type	closed center
Capacity	16 gal (Syncro), 18 gal (Powershift)

Mechanical

Drive	4x2 2WD, 4x4 HFWD 4WD
Brakes	Hydraulic wet disc brakes
Steering	hydrostatic power
Final drives	planetary
Operator station	Open operator station. Optional two-post Roll-Gard ROPS and canopy. Cab optional.
Differential lock	hydro-mechanical rear

Production

Type	Row-Crop tractor
Built in	Waterloo, Iowa, USA
Years made	1971 - 1972
Total built	6,928
Original price	$15,000 in 1972
Power Shift built	1,883
Syncro-Range built	5,045

Transmission

Options	8-speed partially synchronized, 8-speed full power shift
Power Shift	Typefull power shift Gears8 forward and 4 reverse Clutchhydraulic wet discs Oil capacity72 qts (68.1 L)
Syncro-Range	Typepartially synchronized Gears8 forward and 2 reverse Clutch14.75-inch dry disc Oil capacity64 qts (60.6 L)

Tractor hitch

Rear Type	III/II

Dimensions & Tires

Width	95.8 inches (243 cm), 108 inches (long axle, 274 cm), 118 inches (extra long axle, 299 cm)
Height	106 inches (269 cm)
Length	170.7 inches (433 cm)
Rear tire	20.8-38
Wheelbase	106.5 inches (270 cm)
Front tire	11.00-16
Rear tread	70 to 100 inches (177 to 254 cm, cast wheels), 60 to 107.5 inches (152 to 273 cm, offset wheels), 70 to 112 inches (177 to 284 cm, long axle), 60 to 120 inches (152 to 304 cm, offset long axle), 70 to 122 inches (177 to 309 cm, extra long axle), 60 to 130 inches (152 to 330 cm, cast extra long axle)
Front tread	56 to 84.8 inches (142 to 215 cm), 64 to 88 inches (wide axle, 162 to 223 cm), 72 to 88 inches (4WD, 182 to 223 cm)
Clearance (drawbar)	17.8 inches (45 cm)
Additional rear tires	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)
Clearance (rear axle)	31.1 inches (78 cm), 29.4 inches (rear housing, 74 cm)
Additional front tires	9.50-20, 10.00-16, 14L-16A, 14.9-24 (4WD)
Clearance (front axle)	23.8 inches (60 cm)
Height (steering wheel)	87 inches (220 cm)