John Deere 4620: all source data
All 102 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Row-Crop tractor |
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| (no label) | Built in Waterloo, Iowa, USA |
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| Total built | 6,928 |
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| Total built | 5,045 (Syncro-Range) |
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| Total built | 1,883 (Power Shift) |
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| (no label) | Original price was $15,000 in 1972 |
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Engine| (no label) | John Deere 6.6L 6-cyl diesel |
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Transmission| (no label) | 8-speed partially synchronized |
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| (no label) | 8-speed full power shift |
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Power| PTO (claimed) | 135 hp | 100.7 kW |
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| Drawbar (tested) | 115.75 hp | 86.3 kW |
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| PTO (tested) | 135.76 hp | 101.2 kW |
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Mechanical| Drive | 4x2 2WD |
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| Drive | 4x4 HFWD 4WD |
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| Final drives | planetary |
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| Differential lock | hydro-mechanical rear |
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| Steering | hydrostatic power |
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| (no label) | Hydraulic wet disc brakes |
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| (no label) | Open operator station. Optional two-post Roll-Gard ROPS and canopy. Cab optional. |
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Capacity| Fuel | 50 gal | 189.2 L |
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| Hydraulic system | 16 gal (Syncro) | 60.6 L |
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| Hydraulic system | 18 gal (Powershift) | 68.1 L |
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Hydraulics| Type | closed center |
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| Capacity | 16 gal (Syncro) | 60.6 L |
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| Capacity | 18 gal (Powershift) | 68.1 L |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 |
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| Engine RPM | 1000@1900 |
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Dimensions| Wheelbase | 106.5 inches | 270 cm |
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| Weight | 12980 to 14930 pounds |
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| Front tire | 11.00-16 |
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| Rear tire | 20.8-38 |
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Serial location| (no label) | Serial number plate on the rear of the tractor, above the PTO shaft. |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Batteries | 2 |
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| Battery volts | 6 |
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Engine
Engine detail| (no label) | John Deere |
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| (no label) | intercooled turbocharged diesel |
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| (no label) | 6-cylinder |
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| (no label) | liquid-cooled |
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| Displacement | 404 ci | 6.6 L |
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| Bore/Stroke | 4.25x4.75 inches | 108 x 121 mm |
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| Air cleaner | dry with safety element |
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| Compression | 16.4:1 |
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| Rated RPM | 2200 |
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| Idle RPM | 800-2200 |
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| Operating RPM | 1500-2200 |
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| Firing order | 1-5-3-6-2-4 |
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| Starter volts | 12 |
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| Oil capacity | 16 qts | 15.1 L |
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| Coolant capacity (Coolant) | 28 qts | 26.5 L |
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Transmission
Transmission options| (no label) | 8-speed partially synchronized |
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| (no label) | 8-speed full power shift |
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Transmission| Transmission | John Deere Syncro-Range |
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| Type | partially synchronized |
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| Gears | 8 forward and 2 reverse |
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| Clutch | 14.75-inch dry disc |
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| Oil capacity | 64 qts | 60.6 L |
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| Transmission | John Deere Power Shift |
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| Type | full power shift |
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| Gears | 8 forward and 4 reverse |
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| Clutch | hydraulic wet discs |
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| Oil capacity | 72 qts | 68.1 L |
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Dimensions
Tires| Ag front | 11.00-16 |
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| Ag rear | 20.8-38 |
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| Ag front | 9.50-20 |
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| Ag front | 10.00-16 |
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| Ag front | 14L-16A |
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| Ag front | 14.9-24 (4WD) |
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| Ag rear | 18.4-38 |
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| Ag rear | 24.5-32 |
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| Ag rear | 12.4-42 (duals) |
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| Ag rear | 15.5-38 (duals) |
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| Ag rear | 16.9-38 (duals) |
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| Ag rear | 18.4-38 (duals) |
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| Ag rear | 20.8-38 (duals) |
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Dimensions| Wheelbase | 106.5 inches | 270 cm |
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| Length | 170.7 inches | 433 cm |
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| Width | 95.8 inches | 243 cm |
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| Width | 108 inches (long axle) | 274 cm |
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| Width | 118 inches (extra long axle) | 299 cm |
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| Height | 106 inches | 269 cm |
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| Height (steering wheel) | 87 inches | 220 cm |
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| Clearance (front axle) | 23.8 inches | 60 cm |
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| Clearance (rear axle) | 31.1 inches | 78 cm |
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| Clearance (rear axle) | 29.4 inches (rear housing) | 74 cm |
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| Clearance (drawbar) | 17.8 inches | 45 cm |
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| Front tread | 56 to 84.8 inches | 142 to 215 cm |
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| Front tread | 64 to 88 inches (wide axle) | 162 to 223 cm |
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| Front tread | 72 to 88 inches (4WD) | 182 to 223 cm |
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| Rear tread | 70 to 100 inches (cast wheels) | 177 to 254 cm |
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| Rear tread | 60 to 107.5 inches (offset wheels) | 152 to 273 cm |
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| Rear tread | 70 to 112 inches (long axle) | 177 to 284 cm |
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| Rear tread | 60 to 120 inches (offset long axle) | 152 to 304 cm |
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| Rear tread | 70 to 122 inches (extra long axle) | 177 to 309 cm |
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| Rear tread | 60 to 130 inches (cast extra long axle) | 152 to 330 cm |
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Weight| Shipping | 12980 lbs | 5887 kg |
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| Operating | 14930 lbs | 6772 kg |
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| Ballasted | 18640 lbs | 8455 kg |
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