David Brown 850 Implematic vs Güldner AF 30 P

8 material differences · fewer than 12

Tractor one

David Brown 850 Implematic

1960–1965

No measured PTO figure

Tractor two

Güldner AF 30 P

1948–1951

No measured PTO figure

Which should you choose?

We will not advise between these two machines, because they were not built in overlapping years (1960–1965; 1948–1951). 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 · 5 fields identical or within 5%, which is not counted as material

David Brown 850 Implematic and Güldner AF 30 P, field by field
Field850 ImplematicAF 30 PGap
Engine
Engine power, claimed claimed35.0 hp29.5 hp+19% 850 Implematic
Engine declaredDAVID BROWN AD 4/36 A-106Güldner 2Fdiffers
Displacement declared2.52 L2.60 L
Maximum torque declared110 lb·ft · 149 N·m110 lb·ft · 150 N·m
Transmission
Top speed declared15.5 mph · 25 km/h12.4 mph · 20 km/h+25% 850 Implematic
Clutch declaredPedal-operated dry BORG & BECK single-plate clutch type 10 inchSingle plate dry clutch from Fichtel & Sachsdiffers
Hydraulics & hitch
Pump flow declared6.0 gpm · 22.7 L/min
Three-point lift at ends declared1,931 lb · 876 kg
Rear PTO speeds declared540 rpm540 rpm
Weight & dimensions
Unladen weight declared3,704 lb · 1,680 kg4,497 lb · 2,040 kg+21% AF 30 P
Wheelbase declared75.2 in · 1,911 mm70.5 in · 1,790 mm+7% 850 Implematic
Length declared114.0 in · 2,896 mm115.0 in · 2,920 mm
Width declared62.8 in · 1,594 mm64.6 in · 1,640 mm
Height declared51.5 in · 1,308 mm66.1 in · 1,680 mm+28% AF 30 P
Ground clearance declared15.5 in · 394 mm13.0 in · 330 mm+19% 850 Implematic
Turning radius, braked declared7.9 ft · 2.41 m
Fuel tank declared42.1 qt · 39.8 L44.4 qt · 42 L+6% AF 30 P

David Brown 850 Implematic sources

Source
  • Source: Traktorenlexikon, “David Brown 850”

Güldner AF 30 P sources

Source
  • Source: Traktorenlexikon, “Güldner AF 30P”
  • Source: Traktorenlexikon, “Güldner AF 30”