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Tractor · 1934Unverified

John Deere A

Name: John Deere A
Brand: John Deere

John Deere A — Model year 1934-19381939-19471947-1952 · 24 hp. Reference specifications; pending source verification.

The John Deere A is a tractor with a rated power of 24 hp, positioned at the lighter end of its class. It was manufactured from 1934 to 1952. The tractor features a 2-cylinder liquid-cooled engine, paired with two-wheel drive and a 4-speed gearbox. It has an operating weight of 1715 kg and is suitable for operations spanning up to 200 acres.

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

Rated power

24 hp

Max power

14.0 kW

Weight

1715 kg

Catalogue coverage

Variants represented

Richest spec table

109 rows

Recorded power

24 hp

Recorded weight

1715 kg

Transmissions

4-speed unsynchronized gear

Production years

1934-1952

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 built300,000Reference

The A was John Deere's first true row-crop tractor, replacing the GP. There were several variants of the A. The A was the row-crop model. The AR was a standard (or fixed) tread model. The AO was an orchard model, with no exhaust stack and shielded fenders. There was also the AI industrial model, the AN with narrow front, the AW wide front, and the high-crop ANH and AWH. The model A was the first Deere tractor to come from the factory with rubber tires.Reference

Two-wheel driveReference

Manual steeringReference

Differential mechanical expanding shoe brakesReference

Open operator station with steel pan seat.Reference

Variants

ARow-cropReference

ARStandard front axleReference

AOOrchardReference

AOSnarrow orchardReference

AWAdjustable wide-frontReference

ANSingle front wheelReference

AWHHigh-crop, adjustable wide-frontReference

ANHHigh-crop, single-front wheelReference

Engine

John Deere 5.1L 2-cyl all fuelReference

Fuel tank53.0 LReference

Aux. fuel3.8 LReference

Drawbar (claimed)13.4 kWReference

Belt (claimed)17.9 kWReference

Plows2Reference

Drawbar (tested)14.0 kWReference

Belt (tested)18.4 kWReference

John DeereReference

all fuelReference

2-cylinder 4-valveReference

liquid-cooled horizontalReference

Displacement5.1 LReference

Bore/Stroke140 x 165 mmReference

Air cleaneroil bathReference

Compression4.45:1Reference

Rated RPM975Reference

Firing order1-2Reference

Starter typemanualReference

Oil capacity8.8 LReference

Coolant capacity36.0 LReference

Sparkplug gap0.762 mmReference

Point gap0.533 mmReference

Intake valve clearance0.508 mmReference

Exhaust valve clearance0.508 mmReference

Belt power (max)18.4 kWReference

Power at rated engine speed17.6 kWReference

Max power14.0 kWReference

Fuel TypeDieselReference

No of Cylinders2-cylinder 4-valveReference

Rated engine speed975Reference

Bore and stroke5.50x6.50 inchesReference

Compression ratio4.45:1Reference

Cooling systemliquid-cooled horizontal | 38 qtsReference

Transmission

4-speed unsynchronized gearReference

ManufacturerJohn DeereReference

Typeunsynchronized gearReference

Gears4 forward and 1 reverseReference

Clutchdry discReference

forward and reverse options4 forward and 1 reverseReference

PTO & Hydraulics

PTO (tested)17.6 kWReference

Rear PTOtransmissionReference

Rear PTO Type540Reference

Dimensions

Weight1715 kgReference

Front tire24x4Reference

Rear tire50x6Reference

Ag front24x4 steelReference

Ag rear50x6 steelReference

Ag front5.50x16Reference

Ag rear9/10/11.25x36Reference

Length314 cmReference

Width210 cmReference

Width219 cmReference

Height152 cmReference

Height162 cmReference

A Serial Number Location

Serial number plate on the left side of tractor, above the flywheel.Reference

A Serial Numbers

1934410000Reference

1935412866Reference

1936424025Reference

1937442151Reference

1938466787Reference

1939477000Reference

1940488000Reference

1941499000Reference

1942510239Reference

1943520004Reference

1944524423Reference

1945542700Reference

1946555334Reference

1947569610Reference

1948587349Reference

1949611921Reference

1950640246Reference

1951666307Reference

1952682602Reference

Final703384Reference

FAQ: How to read a serial number table.Reference

Test results

Distillate 4-speed 2WDApril 19 - 27, 1934Link: Nebraska Tractor Test 222 fileReference

Belt fuel use (max)9.1 l/hourReference

PTO performanceReference

Fuel use8.7 l/hourReference

Drawbar performanceReference

Gear 1 used for power test.Reference

Max pull1325 kgReference

Gear 1 used for pull test.Reference

General

Make & ModelJohn DeereReference

Capacities

Capacity309 ciReference

PTO

Rear PTO PowerAvailableReference

Dimensions & weight

Overall Height152.4 cmReference

Overall Length315 cmReference

Overall Width210.8 cmReference

Wheels & tyres

Rear wheel tread range50x6 steel, 9Reference

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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