Head to head · Row Crop

John Deere A (1939-1947) vs John Deere B

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John DeereModel A

John Deere A (1939-1947)

Row Crop

power
18 hp
displacement
309 ci
Cylinders
2
Forward gears
6
Full A (1939-1947) specs
John Deere B Tractor
John DeereModel B

John Deere B

Row Crop

power
16.1 hp
displacement
175 ci
Cylinders
2
Forward gears
3
Full B specs
John DeereJohn Deere A (1939-1947)
vs
John DeereJohn Deere B

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ A (1939-1947) higher · +1.9 hp (+12%)
A (1939-1947)18 hp
B16.1 hp
Median Row Crop Tractor138 hp

A (1939-1947) is in the 1st percentile; B is in the 1st · 1,206 models

Engine Displacement

▲ A (1939-1947) higher · +134 ci (+77%)
A (1939-1947)309 ci
B175 ci
Median Row Crop Tractor391 ci

A (1939-1947) is in the 33rd percentile; B is in the 6th · 1,409 models

Cylinders

= Effectively tied
A (1939-1947)2
B2
Median Row Crop Tractor6

A (1939-1947) is in the 1st percentile; B is in the 1st · 1,417 models

Forward Gears

▲ A (1939-1947) higher · +3 (+100%)
A (1939-1947)6
B3
Median Row Crop Tractor16

A (1939-1947) is in the 11th percentile; B is in the 1st · 1,200 models

A (1939-1947) (A)B (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere A (1939-1947)John Deere BDifference
ManufacturerJohn DeereJohn DeereSame
ModelA (1939-1947)B—
CategoryRow CropRow CropSame

Engine

SpecJohn Deere A (1939-1947)John Deere BDifference
ManufacturerJohn DeereJohn DeereSame
ModelJohn DeereJohn DeereSame
Power Output18hp16.1hp▲ A (1939-1947)+1.9 hp · +12%
Rated RPM975RPM975RPMSame
Cylinders22Same
Displacement309ci175ci▲ A (1939-1947)+134 ci · +77%
Bore5.5in4.5in▲ A (1939-1947)+1 in · +22%
Stroke6.5in5.5in▲ A (1939-1947)+1 in · +18%

Transmission

SpecJohn Deere A (1939-1947)John Deere BDifference
TypeUnsynchronized gearUnsynchronized gear with dry disc clutch—

Dimensions & Weight

SpecJohn Deere A (1939-1947)John Deere BDifference
Length134in125in▲ A (1939-1947)+9 in · +7%
Width86.2in83.5in▲ A (1939-1947)+2.7 in · +3%
Height63.8in83in▲ B+19.2 in · +30%
WheelbaseNot recorded90in—
Operating Weight4,597lb3,723lb▲ A (1939-1947)+874 lb · +23%

Hydraulics

SpecJohn Deere A (1939-1947)John Deere BDifference
Steering TypeManualManualSame

Power Take-off (PTO)

SpecJohn Deere A (1939-1947)John Deere BDifference
TypeTransmission PTOTransmission—
Speed 1540rpm540rpmSame

Hitch & Towing

SpecJohn Deere A (1939-1947)John Deere BDifference
Hitch TypeNot recordedPower Lift—

Chassis & Drive

SpecJohn Deere A (1939-1947)John Deere BDifference
Chassis Type4x24x2 2WD—
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeDifferential mechanical expanding shoeDifferential mechanical expanding shoeSame

Electrical

SpecJohn Deere A (1939-1947)John Deere BDifference
Starter TypeManualHand-crank—

Capacities

SpecJohn Deere A (1939-1947)John Deere BDifference
Coolant9.5gal6.3gal▲ A (1939-1947)+3.2 gal · +51%

Operator Station

SpecJohn Deere A (1939-1947)John Deere BDifference
TypeOpenOpen operator station—

Category context

Both models against the field

Engine Power

median 138 hp
A · 1st percentile (18 hp)B · 1st percentile (16.1 hp)

Engine Displacement

median 391 ci
A · 33rd percentile (309 ci)B · 6th percentile (175 ci)

Cylinders

median 6
A · 1st percentile (2)B · 1st percentile (2)

Forward Gears

median 16
A · 11th percentile (6)B · 1st percentile (3)

Operating Weight

median 12,307 lb
A · 7th percentile (4,597 lb)B · 4th percentile (3,723 lb)
A · A (1939-1947)B · BMedian Row Crop Tractor
Full spec pageJohn Deere A (1939-1947)Full spec pageJohn Deere B