John Deere A Specifications - John Deere A Specs

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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.
Production
Manufacturer: John Deere
Factory: Waterloo, Iowa, USA
Total built: 300,000
Variants
A: Row-crop
AR: Standard front axle
AO: Orchard
AOS: narrow orchard
AW: Adjustable wide-front
AN: Single front wheel
AWH: High-crop, adjustable wide-front
ANH: High-crop, single-front wheel
Capacity
Fuel: 14 gal [53.0 L]
Aux. fuel: 1 gal [3.8 L]
Power Take-off (PTO)
Rear PTO: transmission
Rear RPM: 540
Dimensions & Tires
Weight: 3783 lbs [1715 kg]
Front tire: 24x4
Rear tire: 50x6
A Serial Numbers
Location: Serial number plate on the left side of tractor, above the flywheel.
John Deere A Power
Drawbar (claimed): 18 hp [13.4 kW]
Belt (claimed): 24 hp [17.9 kW]
Plows: 2*14-inch
Drawbar (tested): 18.72 hp [14.0 kW]
PTO (tested): 23.63 hp [17.6 kW]
Belt (tested): 24.71 hp [18.4 kW]
Mechanical
Chassis: 4x2 2WD
Steering: manual
Brakes: differential mechanical expanding shoe
Cab: Open operator station with steel pan seat.
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Bore/Stroke: 5.50x6.50 inches [140 x 165 mm]
Air cleaner: oil bath
Compression: 4.45:1
Rated RPM: 975
Firing order: 1-2
Starter type: manual*Hand-crank of tractor flywheel.
Oil capacity: 9.25 qts [8.8 L]
Coolant capacity: 38 qts [36.0 L]
Sparkplug gap: .030 inches [0.762 mm]
Point gap: 0.021 inches [0.533 mm]
Intake valve clearance: 0.020 inches [0.508 mm] *Hot
Exhaust valve clearance: 0.020 inches [0.508 mm] *Hot
Engine Detail
John Deere, all fuel, 2-cylinder 4-valve, liquid-cooled horizontal, 309 ci [5.1 L]
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Next model: John Deere 60
Series back: John Deere B
Transmission
Manufacturer: John Deere
Type: unsynchronized gear
Gears: 4 forward and 1 reverse
Clutch: dry disc
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Next model: John Deere 60
Series back: John Deere B
Dimensions
Weight: 3783 lbs [1715 kg]
Length: 124 inches [314 cm]
Width: 83 inches [210 cm], 86.325 inches [219 cm]
Height: 60 inches [152 cm], 63.875 inches [162 cm]
John Deere A Tires
Ag front: 5.50x16
Ag rear: 9/10/11.25x36