International Harvester 1466

The International Harvester 1466 is a tractor produced by International Harvester. It is equipped with a 436 ci 7.1 L engine. The listed engine power is 145.77 hp 108.7 kW. Transmission: Torque Amplifier. Operating weight: 13480 lbs 6114 kg.

Engine Power

145.77 hp 108.7 kW

Fuel & Capacities

42 gal 159.0 L

Transmission

Torque Amplifier

Operating Weight

13480 lbs*With cab 6114 kg

Overview

	1971 - 1976 66 SeriesRow-Crop tractor 66 Series Row-Crop tractor

Production
Manufacturer	International Harvester
Row-Crop tractor
Built in Rock Island, Illinois, USA
Total built	25,264
Original price was $23,600 in 1976

International Harvester 1466 Engine
International Harvester 7.1L 6-cyl diesel
Engine details ...

International Harvester 1466 Power
PTO (claimed)	133 hp 99.2 kW
Drawbar (tested)	123.20 hp 91.9 kW
PTO (tested)	145.77 hp 108.7 kW
Performance test details ...

Mechanical
Two- or four-wheel drive
Final drives	bull gear
Power steering
Independent hydrostatic dry disc brakes
Cab optional with heat and air-conditioning.

Capacity
Fuel	42 gal 159.0 L
Hydraulic system	22 gal 83.3 L

Hydraulics
Type	open center
Capacity	22 gal 83.3 L
Pressure	2000 psi 137.9 bar
Valves	1
Pump flow	12 gpm 45.4 lpm
Total flow	21 gpm 79.5 lpm
Steering flow	9 gpm 34.1 lpm
Steering press.	1550 psi 106.9 bar

Tractor hitch
Rear Type	II/II OptOptional
Rear lift (at 24"/610mm)	5600 lbs 2540 kg

Power Take-off (PTO)
Rear PTO	independent
Clutch	hydraulic wet disc
Rear PTO Type	1000
Engine RPM	1000@2100

Dimensions & Tires
Wheelbase	105 inches 266 cm
Weight	13480 lbs 6114 kg
Front tire	11L-15
Rear tire	18.4-38
Full dimensions and tires ...

Electrical
Charging amps	32
Batteries	2
Battery volts	6
Battery AH	172

References

766, 966, 1066 and 1466 Tractors published in 1972, by International Harvester
766, 966, 1066 and 1466 Tractors published in 1973, by International Harvester
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
Air cleaner	dual dry elements
Rated RPM	2400 (early)
	2600 (late)
Starter volts	12
Oil capacity	18 qts 17.0 L
Coolant capacity	27 qts 25.6 L

Transmission

Transmission options
8-speed gear
16-speed two-speed power shift

Transmission — 8 forward and 4 reverse gear

Type	gear
Gears	8 forward and 4 reverse
Clutch	dry disc
Oil capacity	88 qts 83.3 L
Four gears each in high, low, and reverse ranges.
With 18.4-38 rear tires.

Transmission — Torque Amplifier

Transmission	Torque Amplifier
Type	two-speed power shift
Gears	16 forward and 8 reverse
Oil capacity	88 qts 83.3 L
The Torque Amplifier (TA) provides a power shift in all gears and ranges from direct drive (DD) to a lower TA speed. Without clutching the TA lever is pulled to the rear to engage. The transmission is returned to direct drive by pushing the TA lever forward.
With 18.4-38 rear tires.

Dimensions

International Harvester 1466 Tires
Ag front	11L-15
Ag rear	18.4-38

Dimensions
Wheelbase	105 inches 266 cm
Length	168 inches 426 cm
Width	98 inches 248 cm
Height (exhaust)	111 inches 281 cm
Operating weight	13480 lbs*With cab 6114 kg
Ballasted weight	16660 lbs 7556 kg
Clearance (drawbar)	16 inches 40 cm
Bar rear axle	3.5 inch diameter 88 mm
Front tread	52 to 82 inches 132 to 208 cm

Tests

Tractor Tests
NTTL 1080: 2400rpm diesel TA 2WD
NTTL 1125: 2600rpm diesel TA 2WD

Nebraska Tractor Test 1080
2400rpm diesel TA 2WD October 2 - 19, 1971 Link: Nebraska Tractor Test 1080 file
PTO performance
Power at rated engine speed	133.4 hp 99.5 kW
Fuel use	8.4 gal/hour 31.8 l/hour
Power at rated PTO speed	125.17 hp 93.3 kW
Fuel use	7.4 gal/hour 28.0 l/hour
Drawbar performance
Max power	115.74 hp 86.3 kW
Fuel use	8.3 gal/hour 31.4 l/hour
Gear 1-Hi-TA used for power test.
Max pull	13,165 lbs 5971 kg
Gear 3-Lo-TA used for pull test.

Nebraska Tractor Test 1125
2600rpm diesel TA 2WD April 17 - 27, 1973 Link: Nebraska Tractor Test 1125 file
PTO performance
Power at rated engine speed	145.77 hp 108.7 kW
Fuel use	9.6 gal/hour 36.3 l/hour
Power at rated PTO speed	145.85 hp 108.8 kW
Fuel use	8.6 gal/hour 32.6 l/hour
Drawbar performance
Max power	123.20 hp 91.9 kW
Fuel use	9.5 gal/hour 36.0 l/hour
Gear 1-Hi-TA used for power test.
Max pull	13,673 lbs 6202 kg
Gear 3-Lo-TA used for pull test.

Photos

International 1466, left side.

International 1466, right side.

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 1466 based on its 145.77 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	5 to 7 Bottom (18")5 - 7 铧 (45 cm)	Commercial / Field Scale	Large acreage tillage; requires front ballast weights.
Rotary Cutter / MowerMowing & Clearing	10 to 12 ft Flex-Wing3.0 - 3.6 m 折叠双翼	Heavy Duty	Wide swath pasture and crop residue shredding.
Rotary TillerSeedbed Prep	90 to 120 in Heavy Duty230 - 300 cm 重型旋耕机	Commercial / Field Scale	Deep intensive seedbed preparation for commercial row crops.
Disc HarrowSecondary Tillage	15 to 22 ft Folding Disc4.5 - 6.7 m 折叠式圆盘耙	Commercial / Field Scale	Wide commercial field leveling; requires hydraulic remotes.
Hay BalerHay & Forage	5x6 Round Baler or 3x3 Mid Square1.5x1.8 m 大圆捆或中型方捆机	Heavy Duty	High density baling; requires minimum 85 PTO HP.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester 1466.

Estimated Continuous Field Runtime: 5.5 hrs

Approximately 5.5 hours of continuous field operation at ~75% rated power on a full tank (42 gal / 159 L).

Estimated 75% Load Fuel Burn~7.6 gal/hr (28.7 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours