David Brown 850 Implematic vs International Harvester D-430

10 material differences · fewer than 12

Tractor one

1960–1965

No measured PTO figure

Tractor two

1956–1962

No measured PTO figure

Which should you choose?

Read our verdict on the 850 Implematic and the D-430 → It is generated from the rows below by a fixed, versioned rule set, and names the figure behind every call.

10 material differences · 6 fields identical or within 5%, which is not counted as material

David Brown 850 Implematic and International Harvester D-430, field by field
Field	850 Implematic	D-430	Gap
Engine
Engine power, claimed claimed	35.0 hp	29.6 hp	+18% 850 Implematic
Engine declared	DAVID BROWN AD 4/36 A-106	INTERNATIONAL-HARVESTER DD-132	differs
Displacement declared	2.52 L	2.18 L	+16% 850 Implematic
Maximum torque declared	110 lb·ft · 149 N·m	90 lb·ft · 122 N·m	+22% 850 Implematic
Transmission
Top speed declared	15.5 mph · 25 km/h	12.4 mph · 20 km/h	+25% 850 Implematic
Clutch declared	Pedal-operated dry BORG & BECK single-plate clutch type 10 inch	Foot-operated dry single-plate clutch from Fichtel & Sachs	differs
Hydraulics & hitch
Pump flow declared	6.0 gpm · 22.7 L/min	4.1 gpm · 15.5 L/min	+46% 850 Implematic
Three-point lift at ends declared	1,931 lb · 876 kg	1,323 lb · 600 kg	+46% 850 Implematic
Rear PTO speeds declared	540 rpm	540 rpm	—
Weight & dimensions
Unladen weight declared	3,704 lb · 1,680 kg	3,660 lb · 1,660 kg	—
Maximum permissible mass declared	—	4,409 lb · 2,000 kg	—
Wheelbase declared	75.2 in · 1,911 mm	74.0 in · 1,880 mm	—
Length declared	114.0 in · 2,896 mm	115.4 in · 2,930 mm	—
Width declared	62.8 in · 1,594 mm	64.6 in · 1,640 mm	—
Height declared	51.5 in · 1,308 mm	61.0 in · 1,550 mm	+19% D-430
Ground clearance declared	15.5 in · 394 mm	15.2 in · 385 mm	—
Turning radius, braked declared	7.9 ft · 2.41 m	9.2 ft · 2.80 m	+16% D-430
Fuel tank declared	42.1 qt · 39.8 L	31.7–58.1 qt · 30.0–55.0 L	differs

Source

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