John Deere A Specs ( 1934-1952 )

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Production

Description Row-Crop tractor / Built in Waterloo, Iowa, USA
Manufacturer John Deere
Total built 300,000

Engine

Aux. fuel 1 gal (3.8 L)
Engine type John Deere 5.1L 2-cyl all fuel
Fuel tank 14 gal (53.0 L)
Air cleaner oil bath
Bore/Stroke 5.50x6.50 inches (140 x 165 mm)
Compression 4.45:1
Coolant capacity 38 qts (36.0 L)
Description John Deere / all fuel / 2-cylinder 4-valve / liquid-cooled horizontal
Displacement 309 ci (5.1 L)
Exhaust valve clearance 0.020 inches*Hot (0.508 mm)
Firing order 1-2
Intake valve clearance 0.020 inches*Hot (0.508 mm)
Oil capacity 9.25 qts (8.8 L)
Point gap 0.021 inches (0.533 mm)
Rated RPM 975
Sparkplug gap .030 inches (0.762 mm)
Starter type manual *Hand-crank of tractor flywheel.
Belt (claimed) 24 hp (17.9 kW)
Belt (tested) 24.71 hp (18.4 kW)
Drawbar (claimed) 18 hp (13.4 kW)
Drawbar (tested) 18.72 hp (14.0 kW)
Plows 2 *14-inch
PTO (tested) 23.63 hp (17.6 kW)

Transmission

Clutch dry disc
Gears 4 forward and 1 reverse
Manufacturer John Deere
Transmission type 4-speed unsynchronized gear
Type unsynchronized gear

Mechanical

Cab Open operator station with steel pan seat.
Description Manual steering / Differential mechanical expanding shoe brakes
Drive type Two-wheel drive

PTO

Rear PTO transmission
Rear PTO Type 540

Dimensions & Tires

Height 60 inches (152 cm)
Length 124 inches (314 cm)
Weight 3783 lbs (1715 kg)
Width 83 inches (210 cm)
Front tire 24x4
Rear tire 50x6
Weight 3783 lbs (1715 kg)
Ag front 24x4 steel / 5.50x16
Ag rear 50x6 steel / 9/10/11.25x36

A Serial Number Location

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

A Serial Numbers

1934 410000
1935 412866
1936 424025
1937 442151
1938 466787
1939 477000
1940 488000
1941 499000
1942 510239
1943 520004
1944 524423
1945 542700
1946 555334
1947 569610
1948 587349
1949 611921
1950 640246
1951 666307
1952 682602
Description FAQ: How to read a serial number table.
Final 703384

Nebraska Tractor Test 222

Belt fuel use (max) 2.4 gal/hour (9.1 l/hour)
Belt power (max) 24.71 hp (18.4 kW)
Description Distillate 4-speed 2WDApril 19 - 27, 1934Link: Nebraska Tractor Test 222 file / PTO performance / Drawbar performance / Gear 1 used for power test. / Gear 1 used for pull test.
Fuel use 2.3 gal/hour (8.7 l/hour)
Max power 18.72 hp (14.0 kW)
Max pull 2,923 lbs (1325 kg)
Power at rated engine speed 23.63 hp (17.6 kW)

References

Description The John Deere Unstyled Letter Series by J.R. Hobbs / Instructions for General Purpose Tractor Model A (DIR 103) published in 1934 / Tractors 1918-1976 published by John Deere* / Models A & B General Purpose Tractors published in 1936, by John Deere / *Publication contains known errors.

Variants

A Row-crop
AN Single front wheel
ANH High-crop, single-front wheel
AO Orchard
AOS narrow orchard
AR Standard front axle
AW Adjustable wide-front
AWH High-crop, adjustable wide-front