Tractor · 1934Unverified
John Deere A
John Deere A — Model year 1934-19381939-19471947-1952 · 24 hp. Reference specifications; pending source verification.
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
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
Transmission
4-speed unsynchronized gearReference
ManufacturerJohn DeereReference
Typeunsynchronized gearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
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
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.