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John Deere AOS vs John Deere MC
Verdict: John Deere AOS vs John Deere MC
The John Deere AOS and the John Deere MC are both tractors — here is how they stack up on the figures that matter. John Deere AOS leads on rated power with 18 hp against 17 hp. John Deere MC is the newer design (1949 vs 1935). In short: choose the John Deere AOS for outright pulling power, or the John Deere MC if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.
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Fit & specs
John Deere
71
Fit score
Best match
Clear
John Deere
71
Fit score
Best match
Clear
Rated power
18 hp
17 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
liquid-cooled horizontal twinReference
Gear 1 used for pull test.Reference
Total built
820Reference
10,509Reference
Drive
—
crawlerReference
Variants
A
Row-cropReference
—
AR
Standard front axleReference
—
AO
OrchardReference
—
AOS
narrow orchardReference
—
AW
Adjustable wide-frontReference
—
AN
Single front wheelReference
—
AWH
High-crop, adjustable wide-frontReference
—
ANH
High-crop, single-front wheelReference
—
M
—
utilityReference
MT
—
row-cropReference
MC
—
crawlerReference
MI
—
industrialReference
Engine
Fuel tank
60.6 LReference
—
Aux. fuel
3.8 LReference
—
Drawbar (claimed)
13.4 kWReference
—
Belt (claimed)
17.9 kWReference
—
Plows
2Reference
3 (12-inch)Reference
Displacement
5.1 LReference
1.6 LReference
Bore/Stroke
140 x 165 mmReference
102 x 102 mmReference
Cooling system
thermo-siphonReference
—
Air cleaner
oil bathReference
oil bathReference
Compression
3.96:1Reference
6:1Reference
Rated RPM
975Reference
1650Reference
Firing order
1-2Reference
1-2Reference
Oil capacity
8.8 LReference
7.1 LReference
Coolant capacity
30.3 LReference
13.2 LReference
Sparkplug gap
0.762 mmReference
0.635 mmReference
Drawbar (tested)
—
13.0 kWReference
Belt (tested)
—
15.8 kWReference
Starter volts
—
6Reference
Intake valve clearance
—
0.305 mmReference
Exhaust valve clearance
—
0.305 mmReference
Belt power (max)
—
15.8 kWReference
Max power
—
13.0 kWReference
Transmission
Transmission
John DeereReference
—
Type
unsynchronized gearReference
unsynchronized gearReference
Gears
4 forward and 1 reverseReference
4 forward and 1 reverseReference
Clutch
dry discReference
—
Oil type
—
SAE90Reference
PTO & Hydraulics
Rear PTO
transmissionReference
—
Rear PTO Type
540Reference
550Reference
Hydraulic system
—
10.4 LReference
Capacity
—
10.4 LReference
Pressure
—
41.4 barReference
Valves
—
1Reference
Pump flow
—
16.1 lpmReference
Dimensions
Wheelbase
174 cmReference
—
Rear tire
11.25x24Reference
—
Ag rear
12.75x24Reference
—
Height (hood)
134 cmReference
—
Front tread
106 cmReference
—
Rear tread
115 cmReference
—
Weight
—
1882 kgReference
Length
—
259 cmReference
Height
—
162 cmReference
Shipping weight
—
1814 kgReference
Ground clearance
—
35 cmReference
Gauge
—
91 to 116 cmReference
AOS Serial Number Location
AOS Serial Numbers
1937
1000Reference
—
1938
1539Reference
—
1939
1700Reference
—
1940
1767Reference
—
1941
1878Reference
—
Final
1891Reference
20509Reference
Capacities
Diameter
32 cmReference
18 cmReference
Width
154 cmReference
170 cmReference
RPM
975Reference
1575Reference
Speed
996.70 meters/minReference
944.88 meters/minReference
Fuel
—
34.1 LReference
Electrical
Ground
positiveReference
positiveReference
Battery volts
6Reference
6Reference
Charging system
—
generatorReference
Charging amps
—
10Reference
MC Serial Numbers
1949
—
10001Reference
1950
—
11093Reference
1951
—
13374Reference
1952
—
15341Reference
Location:
—
Serial number plate located on the lower part of dash.Reference
John Deere MC Tracks
Length on ground
—
35 cmReference
Area on ground
—
0.2 m²Reference
Test results
Belt fuel use (max)
—
7.9 l/hourReference
Max pull
—
1916 kgReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.


