1 - 28 of 56 Listings
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Serial Number: 001971
Condition: Used
Stock Number: 471
Description: Agco 6690 Tractor - MFWD, Quicke 640 Loader, CAH, 10 Speed Trans, 2 SCVS, SN: 001971, Consignor Contact, 309-252-2537 Quantity: 1
Updated: Thursday, June 18, 2026 02:36 PM
Location: Carthage, Illinois
Seller: Wheeler Auctions & Real Estate
Lot # 3983
AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Wed, Jun 17, 2026 01:46 PM (CDT)
Drive: 4WD
Engine Horsepower: 87 HP
Serial Number: 002047
Condition: Used
Description: AGCO ALLIS 6690 4WD TRACTOR WITH CAB AND LOADER. TRACTOR DOES START AND RUN. CLUTCH SLAVE CYLIDER LEAKS OFF AND NEEDS ATTENTION. WILL BE SOLD THAT ...
Updated: Wednesday, June 17, 2026 02:03 PM
Location: Xenia, Ohio
Lot # HJ0640
1991 AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Apr 22, 2026 (CDT)
Hours: 3,192
Drive: 2WD
Engine Horsepower: 87 HP
Serial Number: 001035
Condition: Used
Description: 1991 Agco Allis 6690 2WD Tractor, 3,192 Hrs Showing, 86 Hp, Heater, AC, 2 Door(s), 4-Cyl Diesel Engine, (5) Front Weights, Pin Hitch With Quick Hit...
Updated: Wednesday, April 22, 2026 03:56 PM
Location: West Point, Nebraska
Seller: Big Iron
Condition: Used
Stock Number: 4111
Description: Agco Allis 6690 Tractor w/ Quicke Loader & Bucket, 3pt, 540 PTO, Runs but Leaks Hyd Oilw/ Quicke Loader & Bucket, 3pt, 540 PTO, Runs but Leaks Hyd...
Updated: Friday, March 20, 2026 05:40 PM
Location: Annawan, Illinois
Seller: Anderson Enterprises Consignment Auction
Lot # 6580
1991 AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Thu, Mar 12, 2026 10:20 AM (CDT)
Hours: 3,192
Rear Remote Hydraulics: 2
Rear PTO: Yes
Transmission Type: Synchro
Drive: 2WD
Engine Horsepower: 87 HP
Description: Agco Allis 6690
2WD
3192 hours showing
86 hp
4-Cyl 244 CID Air Cooled Turbo Diesel Engine
12 speed transmission
540/1000 PTO
3pt with quic...
Updated: Thursday, March 12, 2026 10:35 AM
Location: West Point, Nebraska
Seller: Pavel Auction Services
Lot # KT1170
1991 AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Nov 12, 2025 (CST)
Hours: 3,192
Drive: 2WD
Engine Horsepower: 86 HP
Serial Number: 001035
Condition: Used
Description: 1991 AGCO Allis 6690 2WD Tractor, 3192 Hrs Showing, 86 Hp, 4.0L 4-Cyl 244 Cid Air Cooled Turbo Diesel Engine, 12-speed Synchromesh Manual Shift Tra...
Updated: Wednesday, November 12, 2025 03:10 PM
Location: Ohiowa, Nebraska
Seller: Big Iron
Hours: 6,390
Condition: Used
Stock Number: 1219
Description: Agco Allis 6690 4x4 Tractor Diesel, trans,3pt,540 pto, dual remotes, 16.9 x 34 rears,
14.9 x 24 front, Agco 620 Loader & bucket, Tractor not runn...
Updated: Thursday, September 25, 2025 04:43 PM
Location: Browntown, Wisconsin
Seller: Powers Auction Service
Lot # 2885
AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Thu, Apr 10, 2025 10:46 AM (CDT)
Hours: 3,169
Drive: 4WD
Engine Horsepower: 87 HP
Serial Number: 002122
Condition: Used
Stock Number: AGCO ALLIS(L,P)
Description: AGCO ALLIS 6690 TRACTOR. 3169 hours, MFWD, cab with heat and air, double remotes, recent complete in-frame engine overhaul. Tractor appears to star...
Updated: Thursday, April 10, 2025 11:01 AM
Location: Flemingsburg, Kentucky
Hours: 4,122
Serial Number: NOTFOUND
Condition: Used
Stock Number: 1202
Description: Agco Allis 6690 Cab Loader Tractor 'Runs & Operates' - 4,122 Hours on Meter, 4x4, 16.9R24 Front Tires, 18.4R34 Rear Tires, 2 scv's, 540 pto, 3 poin...
Updated: Wednesday, March 05, 2025 11:00 AM
Location: Shippensburg, Pennsylvania
Seller: Martin's Auction & Equipment
Lot # 508
1995 AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Fri, Jan 10, 2025 (CST)
Drive: 4WD
Engine Horsepower: 87 HP
Serial Number: 1748
Condition: Used
Stock Number: 10390
Description: ENCLOSED CAB WITH HEAT, AG TIRES, SHUTTLE TRANSMISSION, 4WD, 86 HP AGCO DIESEL ENGINE, 98” SMOOTH BUCKET, FRONT LOADER, 2 SETS REAR REMOTE HYDRAULI...
Updated: Friday, January 10, 2025 02:37 PM
Location: Littlestown, Pennsylvania
Seller: Kurtz Trading
Condition: Used
Stock Number: 163
Description: 1991 Agco Allis 6690 Tractor (RUNS) ; Onsite #863. Serial #001218. 4866 Hours Showing. SLH 4 Cyl Turbo Diesel Engine. 2wd 16 Speed Gear Drive Tra...
Updated: Thursday, December 19, 2024 10:31 AM
Location: Chambersburg, Pennsylvania
Seller: Marion Auction LLC
Hours: 5,066
Drive: 2WD
Engine Horsepower: 87 HP
Serial Number: 001833
Condition: Salvaged
Description: **SALVAGE** AGCO 6690 TRACTOR, CAB, 2WD (SALVAGE) Mileage/Hrs:5066 VIN/Serial#:001833
Updated: Thursday, October 10, 2024 10:18 AM
Location: Moultrie, Georgia
Seller: Weeks Farm Machinery Auction, Inc.
Condition: Used
Stock Number: 5706
Description: Loader, 4wd, runs and drives, 90hp. Quantity: 1
Updated: Saturday, September 28, 2024 03:24 PM
Location: Sharon Springs, New York
Seller: MacFadden & Sons Inc.
Condition: Used
Stock Number: 648
Description: NOTE: NO BRAKES Quantity: 1
Updated: Monday, July 21, 2025 11:05 AM
Location: Murphysboro, Illinois
Seller: Canning Auction Service
Hours: 3,279
Condition: Used
Stock Number: 3257
Description: Agco Allis 6690 Tractor - 3279 Hours, Cab, 2 Remotes, 2wd, Good Running Tractor Quantity: 1
Updated: Tuesday, July 22, 2025 10:12 AM
Location: Paris, Missouri
Seller: Wheeler Auctions & Real Estate
Lot # DS5550
1991 AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Jun 26, 2024 (CDT)
Hours: 3,283
Drive: 2WD
Engine Horsepower: 87 HP
Serial Number: 001153
Condition: Used
Description: 1991 AGCO ALLIS 6690 tractor, Hours: 3,283 on meter, Serial: 001153, Cylinders: 4, Fuel type: Diesel, Synchro, 12F - 12R, Differential lock, AC, H...
Updated: Wednesday, June 26, 2024 02:01 PM
Location: Mount Pleasant, Iowa
Seller: Purple Wave
Hours: 2,427
Rear Remote Hydraulics: 2
Drive: 2WD
Engine Horsepower: 87 HP
Serial Number: 001545
Condition: Used
Description: Agco Allis 6690 Tractor, 2,427 Hrs, 2WD, EROPS, Front weights, Very clean tractor, 3 PT hitch, 2 remotes, 1000 PTO, Heat, A/C, Radio, Ready to work...
Updated: Thursday, July 24, 2025 01:44 PM
Location: Greenville, Ohio
Seller: Bussey Bros Auctioneers
Hours: 3,201
Drive: 2WD
Engine Horsepower: 87 HP
Serial Number: UNKNOWN
Condition: Used
Stock Number: 910
Description: AGCO ALLIS 6690 Tractor, 2WD, 86 HP, Cab, 540 Rear PTO, Diesel engine, 2 rear hyd remotes, 3PT, new seat, Showing 3201 Hours. Quantity: 1
Updated: Thursday, July 24, 2025 11:49 AM
Location: Withee, Wisconsin
Seller: Premier Livestock & Auctions LLC
Hours: 2,029
Engine Horsepower: 87 HP
Serial Number: 8180
Condition: Used
Stock Number: 6528
Cab: Yes
Description: AGCO ALLIS 6690 MFWD 2029 HRS, CAB Quantity: 1
Updated: Thursday, July 24, 2025 01:28 PM
Location: Platteville, Wisconsin
Seller: Scott Implement
Serial Number: 001937
Condition: Used
Stock Number: 2557
Description: Agco Allis 6690 & Bale Spear - SN 001937 Quantity: 1
Updated: Thursday, July 24, 2025 01:49 PM
Location: Paris, Missouri
Seller: Wheeler Auctions & Real Estate
Condition: Used
Stock Number: 2862
Description: 6690 AGCO ALLIS TRACTOR Quantity: 1
Updated: Thursday, July 24, 2025 02:28 PM
Location: Sikeston, Missouri
Seller: Dewitt Auction Co
Hours: 2,025
Engine Horsepower: 87 HP
Condition: Used
Stock Number: 3704
Description: 6690 MFWD - 2025 Hours Showing, C.A.H., (12) Speed Trans (3x4), 16.9-34 & 14.9-24 Tires, 2 Remotes, 3pt w/ Top Link, 540 PTO, S/N - 1494
[1992...
Updated: Thursday, July 24, 2025 03:54 PM
Location: Brillion, Wisconsin
Seller: C.A. Tesch Equipment
Condition: Used
Stock Number: 3675
Description: Agco 6690 Tractor - MFWD, shows 3300 hrs, New rubber, new brakes Quantity: 1
Updated: Thursday, July 24, 2025 02:45 PM
Location: Mount Sterling, Illinois
Seller: Wheeler Auctions & Real Estate
Drive: 2WD
Engine Horsepower: 87 HP
Condition: Used
Stock Number: 148N
Description: SN: 001833, hour meter read 5064 hours, EROPS, 3 point hitch connection. Non Runner.
[AGCO 6690 TRACTOR] Quantity: 1
Updated: Thursday, July 24, 2025 04:02 PM
Location: Fort Myers, Florida
Seller: Royal Auction Group
Condition: Used
Stock Number: 7349
Description: AGCO ALLIS 6690 4WD TRACTOR Quantity: 1
Updated: Friday, July 25, 2025 07:36 AM
Location: Carrollton, Ohio
Seller: Country Side Equipment Sales
Hours: 3,139
Engine Horsepower: 87 HP
Condition: Used
Stock Number: 445
Description: agco allis 6690 cab tractor 3139 hours showing Quantity: 1
Updated: Friday, July 25, 2025 08:37 AM
Location: Ewing, Kentucky
Seller: 606 Real Estate & Auctions
Lot # 71
1994 AGCO ALLIS 6690
40 HP to 99 HP Tractors
Auction Ended:Fri, Oct 06, 2023 (CDT)
Hours: 4,086
Drive: 4WD
Engine Horsepower: 87 HP
Condition: Used
Stock Number: 71
Cab: Yes
Description: 1994 Agco Allis 6690 4x4 w/Cab 87HP/Shuttle/4086 Hours/Front Weights/Heat/Air Quantity: 1
Updated: Friday, July 25, 2025 09:15 AM
Location: Southington, Ohio
Seller: Chalkers Equipment and Auction
Hours: 2,775
Condition: Used
Stock Number: 1552
Description: Agco Allis 6690 Tractor - Westendorf Loader, TA-26 w/ Bucket and Bale Spear, 2775 Hours, 4 Outlets Quantity: 1
Updated: Monday, July 28, 2025 04:53 PM
Location: Paris, Missouri
Seller: Wheeler Auctions & Real Estate