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John Deere 20A vs John Deere M

Verdict: John Deere 20A vs John Deere M

The John Deere 20A and the John Deere M are both tractors — here is how they stack up on the figures that matter. John Deere M leads on rated power with 18 hp against 17 hp. John Deere 20A is the lighter machine (750 kg vs 1,179 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere M holds more fuel (37.9 L vs 22.7 L) for longer stints between fills. John Deere 20A is the newer design (2008 vs 1947). In short: choose the John Deere M for outright pulling power, or the John Deere 20A 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 20A Tractor
John Deere
71
Fit score
Best match
Clear
John Deere M Tractor
John Deere
71
Fit score
Best match
Clear
Rated power
17 hp
18 hp
Confidence
98%
98%
Guide price
Overview
Distributor
John DeereReference
Manufacturer
GoldoniReference
John DeereReference
With 6.5/80x15 tires.Reference
With 9-24 rear tires.Reference
Steering
hydrostatic powerReference
Total built
45,799Reference
Engine
Engine
15.7 kWReference
Displacement
1.0 LReference
1.6 LReference
Bore/Stroke
90 x 75 mmReference
102 x 102 mmReference
Power
15.7 kWReference
Rated RPM
3000Reference
1650Reference
Torque
71.9 NmReference
Torque RPM
2300Reference
Firing order
1-2Reference
1-2Reference
Starter volts
12Reference
6Reference
Intake valve clearance
1.524 mmReference
0.305 mmReference
Exhaust valve clearance
1.524 mmReference
0.305 mmReference
Oil capacity
6.0 LReference
4.7 LReference
Fuel Type
dieselReference
No of Cylinders
2 cylinderReference
Rated engine speed
3,000 RPMReference
Engine torque at rated speed
24 kgReference
Bore and stroke
3.54x2.95 inchesReference
Cooling system
air-cooledReference
Drawbar (claimed)
13.4 kWReference
Belt (claimed)
14.9 kWReference
Drawbar (tested)
13.5 kWReference
Belt (tested)
15.2 kWReference
Compression
6:1Reference
Coolant capacity
13.2 LReference
Sparkplug gap
0.635 mmReference
Point gap
0.559 mmReference
Belt power (max)
15.2 kWReference
Max power
13.5 kWReference
Transmission
Gears
6 forward and 3 reverseReference
4 forward and 1 reverseReference
Transmission Type
GearReference
forward and reverse options
Gear - 6F and 3RReference
Wheel Drive
4 WDReference
PTO & Hydraulics
PTO (claimed)
12.7 kWReference
Hydraulic system
6.4 LReference
Type
gearReference
unsynchronized gearReference
Capacity
6.4 LReference
Pressure
125.0 barReference
48.3 barReference
Total flow
34.1 lpmReference
16.1 lpmReference
Steering press.
90.0 barReference
Rear Type
1/1NReference
Rear lift
498 kgReference
Rear PTO
independentReference
transmissionReference
Rear PTO Type
540Reference
550Reference
Oil type
10WReference
Capacities
Fuel
22.7 LReference
Fuel tank
22.7 LReference
37.9 LReference
Crankcase oil volume
3.17 qtsReference
Diameter
18 cmReference
RPM
1575Reference
Speed
911.05 meters/minReference
Dimensions
Wheelbase
99 cmReference
177 cmReference
Weight
750 kgReference
1179 kgReference
Front tire
6.5/80x15Reference
4.00x15Reference
Rear tire
6.5/80x15Reference
8-24Reference
Ag front
6.5/80x15Reference
5.00x15Reference
Ag rear
6.5/80x15Reference
10-24Reference
Length
248 cmReference
279 cmReference
Width
81 cmReference
129 cmReference
Height
101 cmReference
Shipping weight
750 kgReference
Ground clearance
23 cmReference
53 cmReference
Height (hood)
142 cmReference
Height (exhaust)
167 cmReference
Operating weight
1179 kgReference
Front tread
96 to 132 cmReference
Rear tread
96 to 132 cmReference
20A Serial Numbers
Location:
On the left-front, just ahead of the front tire, behind the muffler.Reference
Electrical
Ground
negativeReference
positiveReference
Charging system
alternatorReference
Charging amps
14Reference
Battery volts
12Reference
6Reference
Battery AH
45Reference
Speeds
General
Make & Model
GoldoniReference
Rollover protective structure
Two-post ROPS.Reference
Country of manufacturer
ItalyReference
Power
Max Power
21 hpReference
PTO
PTO Power
17 hpReference
Rear PTO Power
AvailableReference
Rear PTO RPM
540 RPMReference
Steering & brakes
Brakes
Hydraulic Wet DiscReference
Steering type
Hydrostatic PowerReference
Hydraulics
Pump Rated Output (total)
9 gpmReference
Hydraulics Type
Open CenterReference
Maximum operating pressure
1,813 psiReference
Rear Hitch category (SAE designation)
Category 1/1NReference
Rear Hitch maximum lift capacity
499 kgReference
Dimensions & weight
Overall Height
101.6 cmReference
Overall Length
248.9 cmReference
Overall Width
81.3 cmReference
Overall weight
750.2 kgReference
Wheels & tyres
Rear Wheel Type
6.5/80x15Reference
Front Wheel Type
6.5/80x15Reference
Variants
M
utilityReference
MT
row-cropReference
MC
crawlerReference
MI
industrialReference
M Serial Number Location
M Serial Numbers
1947
10001Reference
1948
13734Reference
1949
25604Reference
1950
35659Reference
1951
43525Reference
1952
50580Reference
Final
55799Reference
Links
Test results
Belt fuel use (max)
7.6 l/hourReference
Max pull
1056 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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