Used Caterpillar 12G Motor Graders For Sale

The Caterpillar 12G is a motor grader designed for road construction, maintenance, and site preparation. Built by Caterpillar, the 12G features a moldboard for grading, leveling, and shaping surfaces, along with a front axle and articulated frame for maneuverability. It is commonly used in highway work, mining support, and municipal grading applications. The machine is known for its mechanical drivetrain, operator cab, and hydraulic blade control systems typical of its era. As a Caterpillar motor grader, the 12G remains a recognized model in used equipment, parts, and equipment reference searches for grading and earthmoving applications.

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1989 Caterpillar 12G

Last Updated: 07/27/2026

Machine Loc: Pleasureville, KY

$49,900 USD

Dealer:
Clark Heavy Equipment

1-502-***-****

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Machine Loc: Pleasureville, KY

$47,500 USD

Dealer:
Clark Heavy Equipment

1-502-***-****

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Machine Loc: Madera, CA

$49,900 USD

Dealer:
National Equipment, LLC

1-559-***-****

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Last Updated: 10/16/2018

Machine Loc: West Sacramento, CA

$48,500 USD

Dealer:
Ideal Tractor, Inc.

1-916-***-****

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Auction Date: 10/07/2026

Last Updated:

Machine Loc: Spy Hill, Sk

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Dealer:
Ritchie Bros. Auctioneers

1-778-***-****

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Auction Date: 08/05/2026

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Machine Loc: Los Angeles, Ca

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Dealer:
Ritchie Bros. Auctioneers

1-778-***-****

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Auction Date: 08/04/2026

Last Updated:

Machine Loc: North East, Md

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Dealer:
Ritchie Bros. Auctioneers

1-778-***-****

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Used Caterpillar 12G Motor Graders For Sale

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