Grader · specs & buyer's guide
Cat 12M Grader Price Guide
The Cat 12M at a glance — full manufacturer specs, buying guidance, what it's used for and what drives its resale value. Verified used-price ranges publish here as our data clears the sample-size gate.
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The Cat 12M occupies the middle of the grader market in Australia, and it is a familiar sight in council fleets, rural shires and road-maintenance contractors from the eastern seaboard to the west. Most used examples come to market with a rear ripper, front push block or scarifier group, and many carry grade-control wiring or full machine-control kits from earlier project work. The joystick-only cab is the machine's defining trait: operators either love it or hold out for the older lever-control generation, which keeps a distinct buyer pool for each. Ex-council units with documented service history routinely bring a premium over contractor machines of similar age. The spread between tired high-hour units and late-model, low-hour examples is wide, so condition and hours matter more than badge year. Check circle, drawbar and transmission wear before committing.
What a Cat 12M is used for
The Cat 12M is a motor grader for precise road and surface grading on construction and maintenance work.
- Road base and surface fine-grading
- Table drains and shoulder work
- Road and car-park maintenance
- Subdivision and site levels to grade
What Moves the Price
GPS / machine control
A grader wired for machine control — or sold with the kit — commands a clear premium from civil buyers who would otherwise pay to retrofit.
Circle & blade condition
A tight circle, straight moldboard and healthy cutting edges are the heart of a grader. Buyers pay up for one that still holds grade.
Council & fleet disposals
Shire and fleet auction disposals set the floor of the market. Dealer-reconditioned machines recover most of the gap.
Hours & driveline wear
High-hour transmissions and tandem-drive wear are expensive rebuilds — buyers price them before they price the machine.
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Pre-purchase inspection checklist
The checks that separate a good buy from a money pit — circle wear, moldboard, tandem drives, transmission and hour-meter honesty. Requests are reviewed and emailed manually.