9 material differences · fewer than 12

Tractor oneFahr D 1771958–1961No measured PTO figureTractor twoInternational Harvester 3541970–1974No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1958–1961; 1970–1974). 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

9 material differences · 4 fields identical or within 5%, which is not counted as material

Fahr D 177 and International Harvester 354, field by field
FieldD 177354Gap
Engine
Engine power, claimed claimed34 hp34.5 hp—
Engine declaredDaimler-Benz OM 636 VI-EINTERNATIONAL HARVESTER BD-144 Adiffers
Displacement declared1.77 L2.35 L+33% 354
Maximum torque declared69 lb·ft · 93 N·m97 lb·ft · 132 N·m+42% 354
Transmission
Top speed declared12.2 mph · 19.6 km/h15.5 mph · 25 km/h+28% 354
Clutch declaredPedal operated dry Fichtel & Sachs double clutchPedal-operated dry Borg & Beck single-plate clutchdiffers
Hydraulics & hitch
Pump flow declared—6.6 gpm · 25.0 L/min—
Pressure declared3,556 psi · 245 bar——
Rear PTO speeds declared—540 rpm—
Weight & dimensions
Unladen weight declared3,638 lb · 1,650 kg3,741–4,034 lb · 1,697–1,830 kgdiffers
Maximum permissible mass declared5,732 lb · 2,600 kg——
Wheelbase declared76.8 in · 1,950 mm76.5 in · 1,943 mm—
Length declared126.0 in · 3,200 mm126.0 in · 3,200 mm—
Width declared61.1 in · 1,552 mm64.0 in · 1,626 mm—
Ground clearance declared15.7 in · 400 mm18.0 in · 457 mm+14% 354
Turning radius, braked declared9.3 ft · 2.83 m10.2 ft · 3.12 m+10% 354
Fuel tank declared46.5 qt · 44 L51.0 qt · 48.3 L+10% 354

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.

Fahr D 177 sources

Source
  • Source: Traktorenlexikon, “Fahr D 177”
  • Source: Traktorenlexikon, “Fahr D 177 S”

International Harvester 354 sources

Source
  • Source: Traktorenlexikon, “IHC 354”
  • Source: Traktorenlexikon, “McCormick 276”