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Lot # 6684
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Aug 22, 2026 (CDT)
Condition: Used
Stock Number: 6684
Description: International 666 Tractor Runs and works. Runs rough at full throttle. Open station, 2 wheel drive. Unknown hours. Quantity: 1
Updated: Saturday, August 22, 2026 12:14 PM
Location: Millersburg, Ohio, USA
Seller: Mt. Hope Auction
HasPTO: Yes
Transmission Type: Gear Drive
Drive: 2WD
Engine Output: 75 HP
Serial Number: U015833
Condition: Used
Description: IH 666 366 W/366 diesel engine, newer paint, heavy clutch and Torque springs, 18.4x 38 rubber (very nice tractor)* Quantity: 1
Updated: Saturday, August 22, 2026 12:56 PM
Location: Worthington, Minnesota, USA
Condition: Used
Stock Number: 28226
Description: saddle tanks, 3988 hours, pto, 54' hydraulic folding boom, sn 33933hs Quantity: 1
Updated: Friday, August 21, 2026 04:45 PM
Location: Big Rapids, Michigan, USA
Seller: Vander Kolk Auctions
Lot # 4822
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Aug 01, 2026 (CDT)
Condition: Used
Stock Number: 4822
Description: International Farmall 666 Tractor 7091 Hours, Runs and Operates, 2WD, 3 Point, 540 PTO, 2 Remotes, TA Works Quantity: 1
Updated: Saturday, August 01, 2026 10:52 AM
Location: Clifford Township, Pennsylvania, USA
Seller: Lopatofsky Auction
Condition: Used
Stock Number: 9208
Description: 2WD, Hours Showing: 7091, Diesel, Gear Transmission, 3pt, 540 PTO, Rear Hydraulic Couplers, Front Tires: 10.00-16, Rear Tires: 16.9-38 Quantity: 1
Updated: Tuesday, July 28, 2026 12:50 PM
Location: Leola, Pennsylvania, USA
Seller: Wolgemuth Auction
Lot # 7424
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Jun 27, 2026 (CDT)
Drive: 2WD
Engine Output: 75 HP
Condition: Used
Stock Number: 7424
Description: 7424 IH 666 diesel Tractor with Like New Bushhog 2426 QT Loader Quantity: 1
Updated: Saturday, June 27, 2026 09:10 AM
Location: Sharon Springs, New York, USA
Seller: MacFadden & Sons Inc.
Lot # 261073
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, May 30, 2026 (CDT)
Condition: Used
Stock Number: 261073
Description: COMPLETE OVERHAUL, VERY NICE Quantity: 1
Updated: Saturday, May 30, 2026 12:25 PM
Location: Wyanett, Illinois, USA
Seller: Rediger Auction Service
Hours: 5,570
Drive: 2WD
Engine Output: 75 HP
Serial Number: 2450151U009647
Condition: Used
Stock Number: 40574
Description: International 666 2WD Tractor - 5570 Original Hours, Diesel, 2 Scvs, 540 Pto, 16.9-38 Tires, Located At Ed's Machinery, Memphis, MO. Contact 660,88...
Updated: Monday, June 01, 2026 02:34 PM
Location: Memphis, Missouri, USA
Seller: Ed's Machinery LLC
Lot # 107
1974 INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Tue, Apr 14, 2026 (CDT)
Drive: 2WD
Engine Output: 75 HP
Condition: Used
Stock Number: M-9
Description: M-9 74 IH 666 Tractor Quantity: 1
Updated: Tuesday, April 14, 2026 12:17 PM
Location: Waukon, Iowa, USA
Seller: Sweeney Auction Service
Lot # 280
1976 INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Apr 11, 2026 (CDT)
Serial Number: 2450168U015999
Condition: Used
Stock Number: 3506
Description: Low side of TA is weak, works sometimes, runs and drives good otherwise, local hay retirement Quantity: 1
Updated: Saturday, April 11, 2026 12:15 PM
Location: Lancaster, Pennsylvania, USA
Seller: Restoration Tractor Sales
Lot # 2143
1976 INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Apr 11, 2026 (CDT)
Condition: Used
Stock Number: 2143
Description: Sells with no Reserve! 6 cylinder diesel engine 5 speed transmission with working T/A 3 point hitch 2 sets of hydraulic remotes 540 PTO 1 set of re...
Updated: Saturday, April 11, 2026 01:19 PM
Location: Valparaiso, Indiana, USA
Seller: Kraft Auction Service
Lot # 2173
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Mar 21, 2026 (CDT)
Serial Number: 2450150U01083
Condition: Used
Stock Number: 5294
Description: IH 666 tractor, gas, WF, 3pt, pto, New 15.5-38 tires, 3590 hrs Quantity: 1
Updated: Saturday, March 21, 2026 01:26 PM
Location: Willshire, Ohio, USA
Seller: Schrader Real Estate and Auction Company, Inc
Serial Number: 2450166U015384
Condition: Used
Stock Number: 22
Description: Red Quantity: 1
Updated: Thursday, April 02, 2026 10:45 AM
Location: Piasa, Illinois, USA
Seller: Hanold Auctioneering
Lot # 8158
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Thu, Mar 19, 2026 (CDT)
Serial Number: 32910
Condition: Used
Stock Number: 8158
Description: 666 INTERNATIONAL W/ LEON LDR AND BUCKET 32910 Quantity: 1
Updated: Thursday, March 19, 2026 01:23 PM
Location: Idabel, Oklahoma, USA
Seller: Brinkley Auctions Inc.
Lot # 1140
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Wed, Mar 04, 2026 (CST)
Hours: 5,247
Serial Number: 2450149U008961
Condition: Used
Stock Number: 16619
Description: International 666 Tractor 'Ride & Drive - Drive Train Guarantee' - 5,247 Hours on Meter, 2wd, Narrow Front, Hydro, Diesel, 16.9-38 Rear Tires, 540 ...
Updated: Wednesday, March 04, 2026 09:54 AM
Location: Shippensburg, Pennsylvania, USA
Seller: Martin's Auction & Equipment
Lot # 19659
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Fri, Dec 19, 2025 (CST)
Serial Number: 2450168U013070
Condition: Used
Stock Number: 19659
Description: IH 666 TRACTOR, 2WD, OPEN STATION, 5 SPEED TRANS, 3PT NO TOP LINK, 540 PTO, DIESEL, 15.5-38 REAR TIRES Quantity: 1
Updated: Friday, December 19, 2025 04:42 PM
Location: Hopkinsville, Kentucky, USA
Seller: Roeder Auction Company
Lot # 8699
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Thu, Dec 18, 2025 12:27 PM (CST)
Drive: 2WD
Engine Output: 75 HP
Serial Number: UNKNOWN
Condition: Used
Description: Diesel, wide front, 34" rears, just came out of the shop. New Hydraulic pump, hydraulic oil, engine oil, air filter
Updated: Thursday, December 18, 2025 12:42 PM
Location: Wessington Springs, South Dakota, USA
Seller: Springside Sales Inc.
Serial Number: 2450150U012083
Condition: Used
Stock Number: 44
Description: 666 INTERNATIONAL, 4WD: NO, Fuel: GAS, Condition: GOOD/ORIGINAL CONDITION, Serial#: 2450150U012083, Hours: 2652, Quantity: 1
Updated: Friday, November 14, 2025 07:38 PM
Location: Bowling Green, Kentucky, USA
Seller: Mills Real Estate & Auction Co.
Transmission Type: Gear Drive
Drive: 2WD
Engine Output: 75 HP
Serial Number: 2450151U009544
Condition: Used
Fuel Type: Diesel
Description: INTERNATIONAL 666 Tractor, WF, DSL, Canopy, 3pt, Rear Weights, Clean Tractor, Runs & works as it should
Same owner since about 1995
Live & On...
Updated: Saturday, October 04, 2025 01:14 PM
Location: Page, Nebraska, USA
Seller: M&M Auctions, LLC
Drive: 2WD
Engine Output: 75 HP
Condition: Used
Stock Number: 57773
Description: Runs and Drives, 2801 Hours, OROPS, Case IH 2250 Loader with 85" Bucket, 2WD, 75 HP, 3pt, 540 PTO, 2 Sets Rear Hydraulic Remotes Quantity: 1
Updated: Wednesday, September 17, 2025 08:08 AM
Location: Lebanon, Pennsylvania, USA
Seller: MGD Tractor and Equipment
Lot # 36919
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Sep 13, 2025 (CDT)
Serial Number: 2450150U08584
Condition: Used
Stock Number: 21282404
Description: 3pt Per Owner Head Rebuilt New Seat & Water Pump All Electrical Redone Quantity: 1
Updated: Saturday, September 13, 2025 01:48 PM
Location: Canby, Minnesota, USA
Seller: Regnier Auction Company
Drive: 2WD
Engine Output: 65 HP
Serial Number: 2450150U010874
Condition: Used
Fuel Type: Gas
Description: Farmall 666 Gas Tractor
Wide Front
Rear Tires: 15-5-38
Front Tires: 7-50-16
Rubber is good and tin work is very straight
Sold with F-11 Loade...
Updated: Saturday, September 13, 2025 12:12 PM
Location: Oakdale, Nebraska, USA
Seller: John Temme Auction & Realty Inc
Lot # 1333
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Fri, Aug 29, 2025 (CDT)
Serial Number: 012512
Condition: Used
Stock Number: 1333
Description: 1333 - IH 666 (SN# 012512) GAS, WIDE FRONT, 3PT, SINGLE REMOTE HYD, 16.9-38 REAR TIRES, RUNS & DRIVES Quantity: 1
Updated: Friday, August 29, 2025 03:11 PM
Location: New Paris, Indiana, USA
Seller: Polk Auction Company
Hours: 7,449
Drive: 2WD
Loader: Yes
Engine Output: 75 HP
Serial Number: 245016U13818
Condition: Used
Description: I.H. 666 Gas Tractor & I.H. 2350 Loader, 7,449 hours, sharp tractor Quantity: 1
Updated: Tuesday, August 26, 2025 12:24 PM
Location: Armstrong, Iowa, USA
Seller: Howell Real Estate & Auction
Lot # 105
1974 INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Tue, Aug 26, 2025 (CDT)
Serial Number: 2450168U012979
Condition: Used
Stock Number: 10347
Description: SN: 24501168U012979, Diesel, 540 PTO, 3 Point, Top Link, 2 Hydraulic Remotes, Miller Front End Loader, 84 in. Bucket, 7.50-16 Front Tires, 16.9-36 ...
Updated: Thursday, August 28, 2025 08:56 AM
Location: Worthing, South Dakota, USA
Seller: Pifer's Auction Company
Lot # 5186c
INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Sat, Aug 23, 2025 (CDT)
Condition: Used
Stock Number: 5186C
Description: material bucket & forks, wide front, 3pt, 540 pto, 18.4-34 rears, 1 remote, reading 2,418 hrs, rebuild at 2,400 hrs Quantity: 1
Updated: Saturday, August 23, 2025 10:03 AM
Location: Hannah, Indiana, USA
Seller: Lestinsky Auctioneers LLC
Lot # 461
1973 INTERNATIONAL 666
40 HP to 99 HP Tractors
Auction Ended:Fri, Aug 22, 2025 (CDT)
Hours: 7,886
Transmission Type: Powershift
Drive: 2WD
Engine Output: 75 HP
Serial Number: 2450151U009355
Condition: Used
Description: 1973 INTERNATIONAL 666 Tractor, 75 HP 5.1L diesel engine, 2WD, Open station, 2 Sets of remotes, 540 PTO, Showing 7886 hours. LOADER DOES NOT COME W...
Updated: Friday, August 22, 2025 05:13 PM
Location: Withee, Wisconsin, USA
Seller: Premier Livestock & Auctions LLC
Condition: Used
Stock Number: 1183
Description: International 666 WF, gas, 3pt, 540 pto, 18.4-34 tires, older restoration, in very good condition and runs and drives very good, lights and gauges ...
Updated: Thursday, August 07, 2025 02:37 PM
Location: Hudson, Indiana, USA
Seller: Schrader Real Estate and Auction Company, Inc