Head to head · Row Crop

John Deere A (1939-1947) vs John Deere G (1937-1941)

Image not recorded
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
Image not recorded
John DeereModel B

John Deere G (1937-1941)

Row Crop

power
20.7 hp
displacement
413 ci
Cylinders
2
Forward gears
4
Full G (1937-1941) specs
John DeereJohn Deere A (1939-1947)
vs
John DeereJohn Deere G (1937-1941)

How they compare

Headline specs vs. the whole Row Crop

n = 806–1,417

Engine Power

▲ G (1937-1941) higher · +2.7 hp (+15%)
A (1939-1947)18 hp
G (1937-1941)20.7 hp
Median Row Crop Tractor138 hp

A (1939-1947) is in the 1st percentile; G (1937-1941) is in the 1st · 1,206 models

Engine Displacement

▲ G (1937-1941) higher · +104 ci (+34%)
A (1939-1947)309 ci
G (1937-1941)413 ci
Median Row Crop Tractor391 ci

A (1939-1947) is in the 33rd percentile; G (1937-1941) is in the 64th · 1,409 models

Cylinders

= Effectively tied
A (1939-1947)2
G (1937-1941)2
Median Row Crop Tractor6

A (1939-1947) is in the 1st percentile; G (1937-1941) is in the 1st · 1,417 models

Forward Gears

▲ A (1939-1947) higher · +2 (+50%)
A (1939-1947)6
G (1937-1941)4
Median Row Crop Tractor16

A (1939-1947) is in the 11th percentile; G (1937-1941) is in the 4th · 1,200 models

A (1939-1947) (A)G (1937-1941) (B)Median Row Crop Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
ManufacturerJohn DeereJohn DeereSame
ModelA (1939-1947)G (1937-1941)—
CategoryRow CropRow CropSame

Engine

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
ManufacturerJohn DeereJohn DeereSame
ModelJohn DeereJohn DeereSame
Power Output18hp20.7hp▲ G (1937-1941)+2.7 hp · +15%
Rated RPM975RPMNot recorded—
Cylinders22Same
Displacement309ci413ci▲ G (1937-1941)+104 ci · +34%
Bore5.5in6.1in▲ G (1937-1941)+0.6 in · +11%
Stroke6.5in7in▲ G (1937-1941)+0.5 in · +8%

Transmission

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
TypeUnsynchronized gearGear—

Dimensions & Weight

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
Length134in135in▲ G (1937-1941)+1 in · <1%
Width86.2in61.4in▲ A (1939-1947)+24.8 in · +40%
Height63.8in83.9in▲ G (1937-1941)+20.1 in · +32%
Operating Weight4,597lb5,004lb▲ G (1937-1941)+407 lb · +9%

Hydraulics

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
Steering TypeManualManualSame

Power Take-off (PTO)

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
TypeTransmission PTOTransmission—
Speed 1540rpm540rpmSame

Chassis & Drive

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
Chassis Type4x24x2 2WD—
Drive Type2WD2WDSame
Steering TypeManualManualSame
Brake TypeDifferential mechanical expanding shoeNot recorded—

Electrical

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
Starter TypeManualHand crank—

Capacities

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
Coolant9.5gal11gal▲ G (1937-1941)+1.5 gal · +16%

Operator Station

SpecJohn Deere A (1939-1947)John Deere G (1937-1941)Difference
TypeOpenOpenSame

Category context

Both models against the field

Engine Power

median 138 hp
A · 1st percentile (18 hp)B · 1st percentile (20.7 hp)

Engine Displacement

median 391 ci
A · 33rd percentile (309 ci)B · 64th percentile (413 ci)

Cylinders

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

Forward Gears

median 16
A · 11th percentile (6)B · 4th percentile (4)

Operating Weight

median 12,307 lb
A · 7th percentile (4,597 lb)B · 8th percentile (5,004 lb)
A · A (1939-1947)B · G (1937-1941)Median Row Crop Tractor
Full spec pageJohn Deere A (1939-1947)Full spec pageJohn Deere G (1937-1941)