John Deere AOS


John Deere AOS tractor photo
1935 - 1949
Standard-tread tractor
Production
Manufacturer:John Deere
Type:Standard-tread tractor
Factory:Waterloo, Iowa, USA
Total built:820
The John Deere AO Streamlined (AOS) was a modified version of the AR/AO. The AOS was lower, narrower, and shorter than the AO which allowed for greater maneuverability and improved clearance in narrow crop operations.
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
John Deere AOS Power
Drawbar (claimed):18 hp
13.4 kW
Belt (claimed):24 hp
17.9 kW
Plows:2*16-inch
John Deere AOS Engine
John Deere 5.1L 2-cyl all fuel
Fuel tank:16 gal
60.6 L
Aux. fuel:1 gal
3.8 L
Engine details ...
Mechanical
Chassis:4x2 2WD
Steering:manual
Brakes:mechanical shoe
Cab:Open operator station with pressed steel seat.
Transmission:4-speed unsynchronized gear
Transmission details ...
Power Take-off (PTO)
Rear PTO:transmission
Rear RPM:540
Dimensions & Tires
Wheelbase:68.75 inches
174 cm
Rear tire:11.25x24
Full dimensions and tires ...
AOS Serial Numbers
Location:Left side of frame, above flywheel
photo of AOS serial number

1937:1000
1938:1539
1939:1700
1940:1767
1941:1878
Final:1891

how to read serial numbers...

Belt Pulley
Diameter:12.75 inches
32 cm
Width:6.25 inches
15 cm
RPM:975
Speed:3270 ft/min
996.70 meters/min
Electrical
Ground:positive
Battery volts:6
Page information
Last update:August 9, 2021
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