Farmall 1066

Note: the Farmall model 1066 is the same as the International Harvester 1066. The following data is from the 1066 listing. Production years: 1971 - 1976 Tractor type: Farm/Agricultural tractor

General tractor information:
	Manufacturer:	Farmall
	Model:	1066
	Type:	Farm/Agricultural tractor
	Total built:	54,947
	Factory:	-unknown-
	Original price:	$21,100 (1976)
Tractor power:
	Drawbar (rated):	108 hp [80.5 kW]
	Drawbar (max):	105.95 hp [79.0 kW]
	PTO (rated):	126 hp [94.0 kW]
Engine:
	Manufacturer:	International Harvester
	Model:	DT414
	Fuel:	diesel
	Aspiration:	turbocharged
	Cylinders:	6
	Bore/Stroke:	4.30x4.75 inches [109 x 121 mm]
	Displacement:	414 ci [6.8 L]
	Compression:	-unknown-
	Rated RPMs:	2400 2600 (after 1973)
	Cooling:	liquid
	Coolant:	25 qts [23.7 L]
	Torque:	-unknown-
	Firing order:	-unknown-
Transmission:
	Type:	-unknown-
	Forward:	8
	Reverse:	4
Transmission:
	Type:	hydrostatic
	Forward:	infinite
	Reverse:	infinite
Mechanical:
	Chassis:	4x2 2WD 4x4 MFWD 4WD optional
	Steering:	-unknown-
	Brakes:	-unknown-
Capacity:
	Fuel:	42 gal [158 L]
3-Point Hitch:
	Rear Hitch Category:	II
	Rear lift:	-unknown-
Power Take-off (PTO):
	Rear PTO:	independent
	Rear speed (RPM):	540, 1000
Hydraulics:
	Type:	open
	Capacity:	-unknown-
	Total flow:	-unknown-
	Valve flow:	-unknown-
	Pressure:	-unknown-
	Valves:	-unknown-
Tires:
	Ag front:	11L-15
	Ag rear:	18.4-38
Dimensions:
	Weight (operating):	12,148 lbs [5510 kg] (gear) 12,320 lbs [5588 kg] (hydro) 13,345 lbs [6053 kg] (duals)
	Weight (ballasted):	15,260 lbs [6921 kg]
	Wheelbase:	105 inches [266 cm]
	Length:	-unknown-
	Width:	-unknown-
	Height:	-unknown-
	Ground clearance:	-unknown-
Electrical:
Nebraska Tractor Test 1081:
	Test Date:	October 1 - 21, 1971
	Type:	gear
	Engine:	diesel
	PTO (rated eng speed):	116.23 hp [86.7 kW]
	PTO fuel use (rated):	15.16 hh/g [3.0 kWh/l]
	Drawbar (max):	100.5 hp [74.9 kW]
Nebraska Tractor Test 1083:
	Test Date:	October 7 - 25, 1971
	Type:	hydrostatic
	Engine:	diesel
	PTO (rated eng speed):	113.58 hp [84.7 kW]
	PTO fuel use (rated):	14.32 hh/g [2.8 kWh/l]
	Drawbar (max):	84.88 hp [63.3 kW]
Nebraska Tractor Test 1124:
	Test Date:	April 17 - 27, 1973
	Type:	gear
	Engine:	diesel
	PTO (rated eng speed):	125.68 hp [93.7 kW]
	PTO fuel use (rated):	14.93 hh/g [2.9 kWh/l]
	Drawbar (max):	105.95 hp [79.0 kW]
1066 Serial Numbers:
Location: Clutch housing, left side
1971: 7101
1972: 12677
1973: 24205
1974: 34949
1975: 46855
1976: 56672
Comments:
The hydrostatic drive 1066 Hydro was later renamed the Hydro 100. This was due to confusion over drawbar horsepower. The hydrostatic drive took a lot of power to operate, and the 1066 Hydro had much less power than a gear-driven 1066. Torque Amplifer (TA) was optional. The 1066 engine was altered in 1973 to increase horsepower.
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Last updated on November 1, 2009