Compare/John Deere 20A vs John Deere 40

John Deere 20A vs John Deere 40

Verdict: John Deere 20A vs John Deere 40

The John Deere 20A and the John Deere 40 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 17 hp. John Deere 20A is the lighter machine (750 kg vs 2,900 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 40 holds more fuel (39.7 L vs 22.7 L) for longer stints between fills. John Deere 20A is the newer design (2008 vs 1953). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

17 hp

Confidence

98%

Guide price

—

Overview

Distributor

John DeereReference

—

Manufacturer

GoldoniReference

John DeereReference

With 6.5/80x15 tires.Reference

All-fuel 4-speed standardJune 3 - 10, 1955Link: Nebraska Tractor Test 546 fileReference

Steering

hydrostatic powerReference

—

Total built

—

18,000Reference

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

1850Reference

Torque

71.9 NmReference

—

Torque RPM

2300Reference

—

Firing order

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

—

Aux. fuel

—

3.4 LReference

Drawbar (claimed)

—

12.5 kWReference

Belt (claimed)

—

15.8 kWReference

Drawbar (tested)

—

16.2 kWReference

Belt (tested)

—

18.1 kWReference

Air cleaner

—

oil bathReference

Compression

—

6.5:1Reference

Coolant capacity

—

13.2 LReference

Sparkplug gap

—

0.635 mmReference

Point gap

—

0.559 mmReference

Belt power (max)

—

15.6 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

—

Clutch

—

dry discReference

PTO & Hydraulics

PTO (claimed)

12.7 kWReference

—

Hydraulic system

6.4 LReference

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Type

gearReference

Capacity

6.4 LReference

—

Pressure

125.0 barReference

—

Total flow

34.1 lpmReference

—

Steering press.

90.0 barReference

—

Rear Type

1/1NReference

IReference

Rear lift

498 kgReference

—

Rear PTO

independentReference

transmissionReference

Rear PTO Type

540Reference

Capacities

Fuel

22.7 LReference

—

Fuel tank

22.7 LReference

39.7 LReference

Crankcase oil volume

3.17 qtsReference

—

Diameter

—

23 cmReference

RPM

—

1267Reference

Speed

—

916.23 meters/minReference

Dimensions

Wheelbase

99 cmReference

—

Weight

750 kgReference

2900 to 3220 poundsReference

Front tire

6.5/80x15Reference

5.00-15Reference

Rear tire

6.5/80x15Reference

9-24Reference

Ag front

6.5/80x15Reference

6.00x16Reference

Ag rear

6.5/80x15Reference

11-38 (40H)Reference

Length

248 cmReference

291 cmReference

Width

81 cmReference

140 cmReference

Height

101 cmReference

142 cmReference

Shipping weight

750 kgReference

—

Ground clearance

23 cmReference

—

Front tread

—

99 to 137 cmReference

Rear tread

—

98 to 137 cmReference

40S Operating

—

1315 kgReference

40T Operating

—

1460 kgReference

40S Ballasted

—

1900 kgReference

40T Ballasted

—

2065 kgReference

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

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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

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Overall Width

81.3 cmReference

—

Overall weight

750.2 kgReference

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Wheels & tyres

Rear Wheel Type

6.5/80x15Reference

—

Front Wheel Type

6.5/80x15Reference

—

Variants

40C

—

tracked tractorReference

40H

—

high-cropReference

40S

—

standardReference

40T

—

tricycleReference

40V

—

specialReference

40U

—

utilityReference

40W

—

two-row utilityReference

John Deere 40 attachments

40 Serial Number Location

40 Serial Numbers

1953

—

60001 (Utility)Reference

1954

—

60001 (Hi-Crop)Reference

1955

—

60060 (Hi-Crop)Reference

Links

Attachment overview

Test results

Belt fuel use (max)

—

7.9 l/hourReference

Max pull

—

1138 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.