David Brown 950 (Implematic) vs J.I. Case 311-B

10 material differences · fewer than 12

Tractor one

David Brown 950 (Implematic)

1958–1962

No measured PTO figure

Tractor two

J.I. Case 311-B

1958–1959

No measured PTO figure

Which should you choose?

Read our verdict on the 950 (Implematic) and the 311-B → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

Field by field

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

David Brown 950 (Implematic) and J.I. Case 311-B, field by field
Field950 (Implematic)311-BGap
Engine
Engine power, claimed claimed42.5 hp36.5 hp+17% 950 (Implematic)
Engine declaredDAVID BROWN AK 4/40 T or AG 4/40 T
Displacement declared2.71 L
Transmission
Top speed declared12.4 mph · 20 km/h15.5 mph · 25 km/h+25% 311-B
Clutch declaredPedal-operated dry BORG & BECK single-plate clutch
Hydraulics & hitch
Pump flow declared7.4 gpm · 28.0 L/min3.0 gpm · 11.4 L/min+146% 950 (Implematic)
Three-point lift at ends declared1,801 lb · 817 kg
Rear PTO speeds declared540/1000 rpm540 rpmdiffers
Weight & dimensions
Unladen weight declared4,189 lb · 1,900 kg4,074 lb · 1,848 kg
Wheelbase declared76.7 in · 1,948 mm84.5 in · 2,146 mm+10% 311-B
Length declared118.0 in · 2,997 mm130.0 in · 3,302 mm+10% 311-B
Width declared64.0 in · 1,626 mm79.6 in · 2,022 mm+24% 311-B
Height declared54.8 in · 1,391 mm61.0 in · 1,549 mm+11% 311-B
Ground clearance declared15.9 in · 404 mm21.5 in · 546 mm+35% 311-B
Turning radius, braked declared10.1 ft · 3.08 m7.8 ft · 2.39 m+29% 950 (Implematic)
Fuel tank declared55.2 qt · 52.2 L52.0 qt · 49.2 L+6% 950 (Implematic)

David Brown 950 (Implematic) sources

Source
  • Source: Traktorenlexikon, “David Brown 950”

J.I. Case 311-B sources

Source
  • Source: Traktorenlexikon, “Case 311-B”