J.I. Case 15-27 vs John Deere Model A

6 material differences · fewer than 12

Tractor one

J.I. Case 15-27

1919–1924

No measured PTO figure

Tractor two

John Deere Model A

1934–1952

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because their unladen weight differs by more than 25% (56%); they were not built in overlapping years (1919–1924; 1934–1952). The figures below are side by side so you can judge them yourself; each says whether it was measured, claimed or declared by its source.

Field by field

6 material differences · 0 fields identical or within 5%, which is not counted as material

J.I. Case 15-27 and John Deere Model A, field by field
Field	15-27	Model A	Gap
Engine
Engine power, claimed claimed	27.1 hp	24.7 hp	+10% 15-27
Transmission
Top speed declared	3.0 mph · 4.83 km/h	6.2–12.4 mph · 10–20 km/h	differs
Clutch declared	Hand lever-operated twin-disc clutch	—	—
Hydraulics & hitch
Rear PTO speeds declared	—	546 rpm	—
Weight & dimensions
Unladen weight declared	6,349 lb · 2,880 kg	4,059–5,986 lb · 1,841–2,715 kg	differs
Wheelbase declared	76.5 in · 1,943 mm	90.0 in · 2,286 mm	+18% Model A
Length declared	127.0 in · 3,226 mm	124.0–134.0 in · 3,150–3,404 mm	differs
Width declared	72.0 in · 1,829 mm	82.7–86.2 in · 2,100–2,190 mm	differs
Height declared	68.0 in · 1,727 mm	60.0–63.9 in · 1,524–1,623 mm	differs
Ground clearance declared	—	26.0 in · 660 mm	—

J.I. Case 15-27 sources

Source

Source: Traktorenlexikon, “Case 15-27”

John Deere Model A sources

Source

Source: Traktorenlexikon, “John Deere Modell A”