International Harvester 4166

The International Harvester 4166 is a tractor produced by International Harvester. It is equipped with a 436 ci 7.1 L engine. The rated power output is 175 hp 130.5 kW. Transmission: 8 forward and 4 reverse. Drive type: 4x4 4WD. Operating weight: 15900 lbs 7212 kg.

Overview

	1972 - 1976 66 SeriesFour-wheel Drive (4WD) tractor
1972 - 1976
66 Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	International Harvester
Four-wheel Drive (4WD) tractor
Original price was $29,900 in 1976

International Harvester 4166 Engine
International Harvester 7.1L 6-cyl diesel
Fuel tank	100 gal 378.5 L
Engine details ...

International Harvester 4166 Transmission
8-speed sliding gear
Transmission details ...

International Harvester 4166 Power
Engine	175 hp 130.5 kW
Drawbar (tested)	127.55 hp 95.1 kW
PTO (tested)	150.63 hp 112.3 kW
Performance test details ...

Mechanical
Drive	4x4 4WD
Final drives	planetary
Steering	hydraulic power
Hydraulic expanding shoe brakes
Cab optional with available heat and air-conditioning.

Hydraulics
Type	open center
Valves	3 OptOptional
Pump flow	16.5 gpm 62.5 lpm

Tractor hitch
Rear Type	III
Rear lift (at ends)	6000 lbs 2721 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000

Dimensions & Tires
Wheelbase	102 inches 259 cm
Weight	15300 to 15900 pounds
Front tire	23.1-26
Rear tire	23.1-26
Full dimensions and tires ...

Electrical
Charging system	alternator
Charging amps	72
Batteries	2
Battery volts	6

References
Farm Equipment Reference Catalog published in 1971, by International Harvester

Engine

Engine Detail — 436 ci / 7.1 L Diesel

Manufacturer	International Harvester DT-436
Configuration	turbocharged diesel, 6-cylinder, liquid-cooled
Displacement	436 ci 7.1 L
Bore/Stroke	4.30x5.00 inches 109 x 127 mm
Power	175 hp 130.5 kW
Fuel system	direct injection
Compression	16:1
Rated RPM	2400
Starter volts	12
Oil capacity	18 qts 17.0 L
Coolant capacity	32 qts 30.3 L

Transmission

Transmission — 8 forward and 4 reverse sliding gear

Type	sliding gear
Gears	8 forward and 4 reverse
Clutch	dry disc

Dimensions

International Harvester 4166 Tires
Ag front	23.1-26
Ag rear	23.1-26

Dimensions
Wheelbase	102 inches 259 cm
Length	194 inches 492 cm
Width	103 inches 261 cm
Height (steering wheel)	93 inches 236 cm
Height (exhaust)	138 inches 350 cm
Weight	15900 lbs 7212 kg
Shipping weight	15300 lbs 6940 kg
Ground clearance	17 inches 43 cm
Front tread	80 inches 203 cm
Rear tread	80 inches 203 cm

Tests

Nebraska Tractor Test 1116
Diesel 8-speed 4WD November 1 - December 6, 1972 Link: Nebraska Tractor Test 1116 file
PTO performance
Power at rated engine speed	150.63 hp 112.3 kW
Fuel use	9.9 gal/hour 37.5 l/hour
Power at rated PTO speed	152.72 hp 113.9 kW
Fuel use	9.1 gal/hour 34.4 l/hour
Drawbar performance
Max power	127.55 hp 95.1 kW
Gear 4-Low used for power test.
Max pull	19,434 lbs 8815 kg
Gear 1-Low used for pull test.

Photos

International 4166 right-front view

Rear view of the IH 4166