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Tractor · 1956Unverified

John Deere 620

Name: John Deere 620
Brand: John Deere

John Deere 620 — Two-Cylinder 20 Series · 48 hp. Reference specifications; pending source verification.

The John Deere 620 is a compact tractor model with a rated output of 48 hp. Manufactured from 1956 to 1958, it features a 2-cylinder petrol liquid-cooled engine. The tractor is equipped with two-wheel drive and a 6-speed gearbox, with a listed weight of 5858 to 6800 pounds. It is designed for use on areas of approximately up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

48 hp

Max power

33.4 kW

Weight

5858 to 6800 pounds

Catalogue coverage

Variants represented

Richest spec table

104 rows

Recorded power

48 hp

Transmissions

6-speed unsynchronized gear

Production years

1956-1958

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Row-Crop tractorReference

Built in Waterloo, Iowa, USAReference

Total built20,848Reference

Original price was $3,000 in 1956Reference

Two-wheel driveReference

Steeringpower assistReference

Differential mechanical contracting band brakesReference

Open operator station.Reference

Variants

620row-cropReference

620SstandardReference

620OorchardReference

620HChigh-cropReference

Engine

John Deere 5.0L 2-cyl gasolineReference

John Deere 5.0L 2-cyl all-fuelReference

John Deere 5.0L 2-cyl LP gasReference

Fuel tank77.6 LReference

Fuel tank84.2 LReference

Fuel tank124.9 LReference

Aux. fuel3.8 LReference

Drawbar (claimed)32.8 kWReference

Drawbar (tested)33.4 kWReference

Belt (tested)36.7 kWReference

John DeereReference

gasolineReference

2-cylinder 4-valveReference

liquid-cooledReference

Displacement5.0 LReference

Bore/Stroke140 x 162 mmReference

Rated RPM1125Reference

Firing order1-2Reference

Starter volts12Reference

Oil capacity7.6 LReference

Coolant capacity24.6 LReference

Coolant capacity26.5 LReference

all-fuelReference

Air cleaneroil bathReference

Compression4.78:1Reference

LP gasReference

Compression8.1:1Reference

Belt power (max)36.7 kWReference

Max power33.4 kWReference

Belt power (max)34.9 kWReference

Max power31.6 kWReference

Belt power (max)25.8 kWReference

Max power24.1 kWReference

Transmission

6-speed unsynchronized gearReference

ManufacturerJohn DeereReference

Typeunsynchronized gearReference

Gears6 forward and 1 reverseReference

Clutchmechanical dry discReference

Oil capacity22.7 LReference

PTO & Hydraulics

PTO (claimed)35.8 kWReference

Pressure82.7 barReference

Valves1 or 2Reference

Pump flow33.7 lpmReference

Rear TypeIIReference

Rear PTO Type540Reference

Dimensions

Wheelbase228 cmReference

Weight5858 to 6800 poundsReference

Front tire6.00-16Reference

Rear tire12.4-38Reference

Ag front6.00-16Reference

Ag front7.50-20 (high-crop)Reference

Ag rear12.4-38Reference

Ag rear13-30 (standard)Reference

Length343 cmReference

High-crop Length373 cmReference

Width220 cmReference

High-crop Width187 cmReference

Height223 cmReference

High-crop Height245 cmReference

Rear tread147 to 223 cmReference

Rear tread147 to 264 cmReference

Shipping2657 kgReference

Operating3084 kgReference

Ballasted3977 kgReference

John Deere 620 attachments

front-end loaderReference

620 Serial Number Location

Serial number plate on the right side of the 620 tractor frame, below the belt pulley.Reference

620 Serial Numbers

19566200000Reference

19576203778Reference

19586215048Reference

Final6222686Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundpositiveReference

Batteries2Reference

Battery volts6Reference

Test results

NTTL 591: LP gas 6-speed 2WDReference

NTTL 598: gasoline 6-speed 2WDReference

NTTL 604: tractor fuel 6-speed 2WDReference

LP gas 6-speed 2WDSeptember 6 - 11, 1956Link: Nebraska Tractor Test 591 fileReference

Belt fuel use (max)19.7 l/hourReference

Drawbar performanceReference

Gear 4 used for power test.Reference

Max pull2685 kgReference

Gear 2 used for pull test.Reference

Gasoline 6-speed 2WDOctober 10 - 15, 1956Link: Nebraska Tractor Test 598 fileReference

Belt fuel use (max)15.9 l/hourReference

Max pull2776 kgReference

Gear 1 used for pull test.Reference

Tractor fuel 6-speed 2WDNovember 1 - 8, 1956Link: Nebraska Tractor Test 604 fileReference

Belt fuel use (max)12.9 l/hourReference

Max pull2770 kgReference

Speeds

With 13.6-38 rear tires.Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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