New Ag & Industrial Parts / Leading Warranty / Fast Shipping / Low Prices / 90,000+ Parts
  • Get Parts

Parts for International Harvester 666 Tractor

Belts

Brakes

Cab Parts

Clutch

Cooling

Cooling System

Engine Overhaul Kits

Engine Parts

C291 CID

Camshaft & Components

Crankshaft & Components

Engine Oil Pump, Cooler, and Related

Engine Related Parts

Exhaust System Parts

Flywheels/Components

Gaskets/Gasket Sets

I.H. C291 Gas

I.H. D312 Diesel

Valves/Guides/Springs/Locks

Filters

Front Axle/Steering Parts

Axle Related Parts

Axles and Knees

General

Spindles and Related Parts

Steering Arms and Shafts

Steering Related Parts

Tie Rods and Ball Joints

Wheel Bearings and Sleeves

Wheel Components

Fuel System

Hitch & Drawbar Parts

Hydraulic System

Ignition & Electrical Parts

Mufflers/Exhaust Pipes

Mufflers/Components

PTO Components

Rims & Wheels

Seats

Complete Seats

Misc Seat Parts

Replacement Seat

Vertical Acting - Black Vinyl

Vertical Acting - Black/Cream Vinyl

Vertical Acting - Black/White Vinyl

Vertical Acting - Embossed Black/White Vinyl

Wood Core w/o Fiberglass Back

Service Manual

Transmission & Rear Axle

Clutch Plates and Disks

Clutch Related Parts

Hydrostatic Bearings/Cups

IPTO Drive Gears/Seals

IPTO Gasket Kits/Clutch Packs

Mechanical Torque Amplifiers/Components

Rear Axles and Hub Parts

Torque Amplifier Components

Trans: Forks, Gears, Shafts

Transmission Related Parts

More about the International Harvester 666

In 1972, the very first International Harvester 666 Tractors went out. They were produced until 1976. You may have gotten a good deal and purchased your International Harvester 666 Tractor for less than the initial price of $11,875, but when it comes to spare parts for the International Harvester 666 Tractor, you will always get the best deal with us. Be sure to look for any serial number comments in the part fit notes. In some cases, the International Harvester 666 Tractor parts you need depend on your serial number. You can find the serial number on the clutch housing, right side. Serial numbers include 7500 from 1972 models, 8200 from 1973, 11585 from 1974, 13131 from 1975, 15739 from 1976. They also have dry disc brakes. The type II 3-point hitch is very reliable. It is also worth noting that the independent rear PTO runs at 540 rpms.