International Harvester 15-30 vs Lanz D 8539

7 material differences · fewer than 12

Tractor one

International Harvester 15-30

1921–1929

No measured PTO figure

Tractor two

Lanz D 8539

1934–1939

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% (58%); they were not built in overlapping years (1921–1929; 1934–1939). 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

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

International Harvester 15-30 and Lanz D 8539, field by field
Field15-30D 8539Gap
Engine
Engine power, claimed claimed29.6 hp29.5 hp
Engine declaredINTERNATIONAL HARVESTER 381
Displacement declared6.26 L
Transmission
Top speed declared4.3 mph · 7.0 km/h13.4 mph · 21.5 km/h+207% D 8539
Clutch declaredPedal operated multi-disc clutchpedal-operated three-jaw clutch with clutch brakediffers
Hydraulics & hitch
Rear PTO speeds declared661 rpm
Weight & dimensions
Unladen weight declared5,800 lb · 2,631 kg9,149 lb · 4,150 kg+58% D 8539
Wheelbase declared85.0 in · 2,159 mm76.4–77.8 in · 1,940–1,975 mmdiffers
Length declared137.0 in · 3,480 mm129.9 in · 3,300 mm+5% 15-30
Width declared65.0 in · 1,651 mm70.9 in · 1,800 mm+9% D 8539
Height declared70.0 in · 1,778 mm92.1 in · 2,340 mm+32% D 8539
Ground clearance declared9.4–10.6 in · 240–270 mm
Turning radius, braked declared8.2 ft · 2.51 m
Fuel tank declared95.1–100.4 qt · 90–95 L

International Harvester 15-30 sources

Source
  • Source: Traktorenlexikon, “McCormick 15-30”
  • Source: Traktorenlexikon, “IHC 15-30”

Lanz D 8539 sources

Source
  • Source: Traktorenlexikon, “Lanz D 8539”