5 material differences · fewer than 12

Tractor oneALLIS-CHALMERS Modell-U1929–1952No measured PTO figureTractor twoJohn Deere Model A1934–1952No measured PTO figure

Which should you choose?

Read our verdict on the Modell-U and the Model A → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

Field by field

5 material differences · 1 fields identical or within 5%, which is not counted as material

ALLIS-CHALMERS Modell-U and John Deere Model A, field by field
FieldModell-UModel AGap
Engine
Engine power, claimed claimed25.6 hp24.7 hp—
Engine declaredCONTINENTAL S-10——
Transmission
Top speed declared5.0–10.7 mph · 8.0–17.3 km/h6.2–12.4 mph · 10–20 km/hdiffers
Hydraulics & hitch
Rear PTO speeds declared530 rpm546 rpmdiffers
Weight & dimensions
Unladen weight declared4,822–5,031 lb · 2,187–2,282 kg4,059–5,986 lb · 1,841–2,715 kgdiffers
Wheelbase declared—90.0 in · 2,286 mm—
Length declared118.5–118.9 in · 3,010–3,019 mm124.0–134.0 in · 3,150–3,404 mmdiffers
Width declared52.0–65.0 in · 1,321–1,651 mm82.7–86.2 in · 2,100–2,190 mmdiffers
Ground clearance declared—26.0 in · 660 mm—
Fuel tank declared110.5 qt · 104.6 L——

Height is not in this table. It is not one measurement: the sources measure it to different points — over the cab on some machines, over the steering wheel or the exhaust on others — and the same tractor measured two ways can differ by most of a metre. It appears here only when both machines' figures carry the point they were measured to and it is the same point, which is not the case for these two. Each machine's own page prints its height as its source gives it.

ALLIS-CHALMERS Modell-U sources

Source
  • Source: Traktorenlexikon, “Allis-Chalmers Modell U”

John Deere Model A sources

Source
  • Source: Traktorenlexikon, “John Deere Modell A”