29 - 56 of 78 Listings
Lot # 9004
2026 UNKNOWN Tandem Axle
Dolly Trailers
Auction Ended:Wed, Mar 18, 2026 11:22 AM (CDT)
VIN: UNKNOWN
Number of Rear Axles: Tandem
Description: No Title
Updated: Wednesday, March 18, 2026 11:38 AM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description: John Deere Fenders Excellent Condition.
Updated: Thursday, March 12, 2026 12:49 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 2920
JOHN DEERE 4020
100 HP to 174 HP Tractors
Auction Ended:Thu, Mar 12, 2026 11:19 AM (CDT)
Rear Remote Hydraulics: 2
Rear PTO: Yes
Transmission Type: Synchro
Drive: 2WD
Engine Horsepower: 100 HP
Serial Number: 000000
Description: John Deere 4020 starts and runs good, currently needs new batteries and starts with a jump. Selling as part of downsizing the operation. Good runni...
Updated: Thursday, March 12, 2026 11:35 AM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 2923
2024 NEW HOLLAND DISCBINE 316 PLUS
Pull-Type Mower Conditioners/Windrowers
Auction Ended:Wed, Mar 11, 2026 01:52 PM (CDT)
Cutting Width: 16 ft
Cutterbar Type: Rotary Disc
Conditioner Type: Steel
Serial Number: HBJDB316KRN282199
PTO: 1000
Description: New Holland 316 Plus, 16Ft, Low acres, Excellent Condition
Updated: Wednesday, March 11, 2026 02:09 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Serial Number: 56S8233VPNF003030
Condition: Used
Description: Vermeer CT612 composter in good condition. Previously used for turning manure, well maintained, handles a variety of organic materials efficiently....
Updated: Wednesday, March 11, 2026 01:47 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Hours: 4,208
ROPS: Open
Serial Number: LR000561
Auxiliary Hydraulics: Yes
Description: Thomas B410/LR250St, D950 Kubota Engine, Good Running Skid Steer. Hand and Foot Controls, 2spd, Heavy Duty John Deere C84 Bucket Included.
Updated: Wednesday, March 11, 2026 01:23 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
ROPS: Open
Serial Number: 502423975
Description: Bobcat 543 Runs and Operates as it should
Updated: Wednesday, March 11, 2026 12:42 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description: 379 Peterbilt Hood
Updated: Wednesday, January 14, 2026 01:30 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description: New Air filter Canisters
Updated: Wednesday, January 14, 2026 01:24 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description: 10 Hole Aluminum Wheels
Updated: Wednesday, January 14, 2026 12:38 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 3281
AIR TOOLS
Power Tools Tools/Hand held items
Auction Ended:Wed, Jan 07, 2026 10:40 AM (CST)
Condition: Used
Description: Air tools and hoses
Updated: Wednesday, January 07, 2026 10:55 AM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description:
Updated: Monday, December 29, 2025 05:28 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description:
Updated: Monday, December 29, 2025 05:24 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description: 389 Peterbilt hood
Updated: Monday, December 29, 2025 05:24 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Condition: Used
Description: 389 Peterbilt
Updated: Monday, December 29, 2025 05:22 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 12640
2024 PETERBILT 389
Sleeper Trucks
Auction Ended:Mon, Dec 29, 2025 04:12 PM (CST)
Mileage: 56,559 mi
Engine Manufacturer: CUMMINS
Horsepower: 600 HP
Transmission: Manual
Number of Speeds: 18 Spd
Suspension: Air Ride
Description: 2024 Peterbilt 389304” WB, pusher axle, 18-spd, Cummins ISX, 56,559 mi / 1,970 hrs.Michelin Tires Gardner Denver blower, like new ready to go...
Updated: Monday, December 29, 2025 04:28 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 12643
2024 MAC TRAILER MFG TN1050APB
Pneumatic / Dry Bulk Tank Trailers
Auction Ended:Mon, Dec 29, 2025 02:56 PM (CST)
Capacity: 1,250 cu ft
Length: 50 ft
Width: 102 in
Suspension: Intraax
VIN: 5MATA5030RX071052
Number of Rear Axles: Tri
Description: 2024 MAC Trailer TNAR50NF0 Dry Bulk Trailer• 1,250 cu ft capacity• Tri-axle configuration• Hydraulic manholes/lids with controls from the tru...
Updated: Monday, December 29, 2025 03:12 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 8840
1977 CHEVROLET CORVETTE
Coupes Cars
Auction Ended:Mon, Dec 29, 2025 11:54 AM (CST)
Serial Number: 1Z37L7S443935
Condition: Used
Description: 1977 Chevrolet Corvette. Engine Fires up when primed.
Updated: Monday, December 29, 2025 12:10 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 6236
2018 PETERBILT 389
Sleeper Trucks
Auction Ended:Wed, Dec 03, 2025 02:37 PM (CST)
Mileage: 523,746 mi
Engine Manufacturer: CUMMINS
Horsepower: 565 HP
Transmission: Manual
Number of Speeds: 18 Spd
Suspension: Air Ride
Description: 2018 Peterbilt 389304” WB, pusher axle, 18-spd, Cummins ISX, 523,746 mi / 15,512 hrs.Gardner Denver blower, good running truck — ready to work.
Updated: Wednesday, December 03, 2025 02:53 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 6224
2019 MAC TRAILER MFG 1250 cu ft
Pneumatic / Dry Bulk Tank Trailers
Auction Ended:Wed, Dec 03, 2025 01:20 PM (CST)
Capacity: 1,250 cu ft
Length: 50 ft
Width: 102 in
Suspension: Intraax
VIN: 5MATA5035KA048147
Number of Rear Axles: Tri
Description: 2019 MAC TR1250ATB Dry Bulk Trailer1250 cu. ft. tri-axle, hydraulic lid openers (controlled from cab). Good condition, clean trailer, ready to haul.
Updated: Tuesday, February 17, 2026 12:27 PM
Location: Rapid City, South Dakota
Seller: Harper Auction Co
Lot # 5383
2012 WESTMARK 10332 gal
Crude Oil Tank Trailers
Auction Ended:Wed, Oct 08, 2025 11:46 AM (CDT)
Capacity: 10,332 gal
Length: 48 ft
Suspension: Air Ride
Wheels: Aluminum
VIN: 1W9TB4531CA488149
Number of Rear Axles: Tri
Description: 2012 Westmark 48’ Tri-Axle Crude/Fuel Tanker – 2 Comp, 4” Lines, New Hose, New Shocks, Cert-Ready, Low Use• Total length: 48 ft• King pin set...
Updated: Tuesday, February 17, 2026 01:03 PM
Location: Edgemont, South Dakota
Seller: Harper Auction Co
Lot # 5386
2012 WESTMARK 10332 gal
Crude Oil Tank Trailers
Auction Ended:Wed, Oct 08, 2025 11:45 AM (CDT)
Capacity: 10,332 gal
Length: 48 ft
Suspension: Air Ride
Wheels: Aluminum
VIN: 1W9TB4531CA488152
Number of Rear Axles: Tri
Description: 2012 Westmark Tri-Axle Crude/Fuel Tanker – 2 Comp, 4” Lines, New Hose, New Shocks, Low Use, Ready for Certification• Total length: 48 ft• Kin...
Updated: Tuesday, February 17, 2026 12:20 PM
Location: Edgemont, South Dakota
Seller: Harper Auction Co
Lot # 8203
JOHN DEERE 853A
Row Crop Headers
Auction Ended:Wed, Jul 30, 2025 01:13 PM (CDT)
Serial Number: 000000
Condition: Used
Description:
Updated: Wednesday, July 30, 2025 01:29 PM
Location: Faith, South Dakota
Seller: Harper Auction Co
Lot # 5128
JOHN DEERE 853A
Row Crop Headers
Auction Ended:Wed, Jul 30, 2025 01:13 PM (CDT)
Serial Number: 0000000
Condition: Used
Description:
Updated: Wednesday, July 30, 2025 01:29 PM
Location: Faith, South Dakota
Seller: Harper Auction Co
Cutterbar Type: Flex
Serial Number: 00000
Condition: Used
Gathering Type: Draper
Description: MacDon 974 35 Ft FlexDraper, Good ConditionWell-maintained 35 ft MacDon 974 FlexDraper header. Runs smooth and operates as it should.Check out ...
Updated: Wednesday, July 30, 2025 12:59 PM
Location: Faith, South Dakota
Seller: Harper Auction Co
Lot # 5474
JOHN DEERE 212
Windrow Forage Headers
Auction Ended:Wed, Jul 30, 2025 12:16 PM (CDT)
Cutting Width: 12 ft
Serial Number: 0000000
Condition: Used
Description:
Updated: Wednesday, July 30, 2025 12:32 PM
Location: Faith, South Dakota
Seller: Harper Auction Co
Working Width: 28 ft
Serial Number: 00000000
Condition: Used
Description: Case IH 3950 28 Ft Disc. In Good Condition!
Updated: Wednesday, June 04, 2025 11:55 AM
Location: Faith, South Dakota
Seller: Harper Auction Co
Working Width: 29 ft
Serial Number: 00000
Condition: Used
Rear Attachment: Yes
Description: 5700 Case IH Chisel Plow 29Ft, In Good Condition.
Updated: Wednesday, June 04, 2025 11:48 AM
Location: Faith, South Dakota
Seller: Harper Auction Co