Best Thirty
General tractor information:
	Manufacturer:	Best
	Model:	Thirty
	Type:	Farm/Agricultural tractor
	Years produced:	1921 - 1925
	Total built:	-unknown-
	Factory:	San Leandro, CA
	Original price:	-unknown-
Tractor power:
	Drawbar (max):	33 hp [24.6 kW]
Engine:
	Manufacturer:	Best
	Fuel:	gasoline
	Cylinders:	4
	Bore/Stroke:	4.75x6.50 inches [121 x 165 mm]
	Displacement:	461 ci [7.6 L]
	Compression:	-unknown-
	Rated RPMs:	850
	Cooling:	-unknown-
	Torque:	-unknown-
	Firing order:	-unknown-
Transmission:
	Type:	-unknown-
	Forward:	3
	Reverse:	1
Transmission:
	Type:	-unknown-
	Forward:	2
	Reverse:	1
Mechanical:
	Chassis:	crawler
	Steering:	-unknown-
	Brakes:	-unknown-
Capacity:
	Fuel:	-unknown-
Power Take-off (PTO):
Tires:
	Ag front:	43.75, 60.75-inch tracks
	Ag rear:	43.75, 60.75-inch tracks
Dimensions:
	Weight:	-unknown-
	Wheelbase:	-unknown-
	Length:	-unknown-
	Width:	-unknown-
	Height:	-unknown-
	Ground clearance:	-unknown-
Electrical:
Nebraska Tractor Test 77:
	Test Date:	1921
	Engine:	-unknown-
	Belt (max):	30 hp [22.4 kW]
	Drawbar (max):	24 hp [17.9 kW]
Nebraska Tractor Test 99:
	Test Date:	1923
	Engine:	-unknown-
	Belt (max):	33 hp [24.6 kW]
	Drawbar (max):	25 hp [18.6 kW]
Nebraska Tractor Test 104:
	Test Date:	1924
	Engine:	-unknown-
	Belt (max):	38 hp [28.3 kW]
	Drawbar (max):	33 hp [24.6 kW]
Best Thirty links:
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Last updated on April 25, 2008