International Harvester 4166 four-wheel drive: review and specs

The International Harvester 4166 is a 4WD four-wheel drive tractor from the 66 series. This tractor was manufactured by International Harvester from 1972 to 1976. The International Harvester 4166 is equipped with a 7.1 L (436.0 cu·in) six-cylinder diesel engine and a sliding gear transmission with 8 forward and 4 reverse gears.

The IH 4166 four-wheel drive used the International Harvester DT436 engine. It is a 7.1 L, 7,145 cm², (436.0 cu·in) six-cylinder turbocharged diesel engine with 109.0 mm (4.29 in) of the cylinder bore and 127.0 mm (5 in) of the piston stroke. The compression ratio rating is 16.0:1. This engine produced 177.5 PS (130.5 kW; 175.0 HP) at 2,400 rpm of output power.

The International Harvester 4166 is equipped with hydrostatic power steering, hydraulic expanding shoe brakes, open operator station or Cab (optional) and 378.5 liters (100 US gal.; 83.3 Imp. gal) fuel tank.

International Harvester 4166 Specifications

General Specifications
Model	International Harvester 4166
Length	4,920 mm (193.7 in)
Width	2,610 mm (102.8 in)
Height (steering wheel)	2,360 mm (92.9 in)
Wheel base	2,590 mm (102 in)
Ground clearance	430 mm (16.9 in)
Weight	7,210 kg (15,895 lbs)
Fuel tank capacity	378.5 liters (100 US gal.; 83.3 Imp. gal)
Battery	Two 6V
Cabin type	Open operator station or Cab (optional)
Engine
Engine model	International Harvester DT436
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Diesel
Displacement	7.1 L, 7,145 cm², (436.0 cu·in)
Bore and stroke	109.0 mm X 127.0 mm (4.29 in X 5 in)
Compression ratio	16.0:1
Horsepower	177.5 PS (130.5 kW; 175.0 HP) at 2,400 rpm
Starter	Electric
Oil capacity:	17.0 L (18 US. qt, 15 Imp. qt.)
Coolant capacity:	30.3 L (32 US. qt, 26.7 Imp. qt.)

Transmission and chassis
Chassis	4×4 4WD
Steering type	Hydrostatic power
Brakes	Hydraulic expanding shoe
Final drive	Planetary
Transmission model	–
Transmission type	Sliding gear with dry disc clutch
Gears	8 forward and 4 reverse
Speed	Forward: 33.0 kmh (20.5 mph) Reverse: 10.9 kmh (6.8 mph)
Tires
Front tires	Ag: 23.1-26
Rear tires	Ag: 23.1-26

Three-Point Hitch
Category	III
Control type	–
Lift capacity (at ends)	2,721 kg (6,000 lbs)
PTO (Power take-off shaft)
Rear PTO type	Independent
Rear PTO speed	1000 rpm
Hydraulic system
Hydraulic type	–
Valves	3
Pump flow	16.5 gpm (62.5 lpm)

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