Bührer 6135 vs Hürlimann D-550 Hydrostat

8 material differences · fewer than 12

Tractor one

Bührer 6135

1975–1978

No measured PTO figure

Tractor two

Hürlimann D-550 Hydrostat

1974

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1975–1978; 1974–1974). 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

8 material differences · 3 fields identical or within 5%, which is not counted as material

Bührer 6135 and Hürlimann D-550 Hydrostat, field by field
Field6135D-550 HydrostatGap
Engine
Engine power, claimed claimed133 hp133.0 hp
Engine declaredMercedes-Benz 352 A
Displacement declared5.68 L
Maximum torque declared317 lb·ft · 430 N·m
Transmission
Top speed declared15.5 mph · 25 km/h16.8 mph · 27 km/h+8% D-550 Hydrostat
Clutch declaredPedal operated dry Buerhrer twin disc clutch as driving clutch
Hydraulics & hitch
Pump flow declared10.3 gpm · 39.0 L/min13.7 gpm · 52.0 L/min+33% D-550 Hydrostat
Pressure declared2,845 psi · 196 bar2,987 psi · 206 bar
Three-point lift at ends declared5,236 lb · 2,375 kg6,393 lb · 2,900 kg+22% D-550 Hydrostat
Rear PTO speeds declared540/800 rpm540/1000 rpmdiffers
Weight & dimensions
Unladen weight declared8,488 lb · 3,850 kg9,480 lb · 4,300 kg+12% D-550 Hydrostat
Maximum permissible mass declared14,330 lb · 6,500 kg
Wheelbase declared103.5–107.5 in · 2,630–2,730 mm114.6 in · 2,910 mmdiffers
Length declared166.5 in · 4,230 mm174.4 in · 4,430 mm
Width declared81.9 in · 2,080 mm88.6 in · 2,250 mm+8% D-550 Hydrostat
Height declared97.6 in · 2,480 mm76.8 in · 1,950 mm+27% 6135
Ground clearance declared15.0–15.7 in · 380–400 mm

Bührer 6135 sources

Source
  • Source: Traktorenlexikon, “Bührer 6135”
  • Source: Traktorenlexikon, “Bührer 6135 (A)”

Hürlimann D-550 Hydrostat sources

Source
  • Source: Traktorenlexikon, “Hürlimann D 550 Hydrostat”