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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 AOS Tractor
John Deere
71
Fit score
Best match
Clear
John Deere MC Tractor
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.

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