Decision dossierEvidence reviewed
cnc machine

Makino A51 Used Price & Common Problems

Makino A51: used $64,900 to $87,900. Documented problems: ATC door proximity switch and legacy control support. What to inspect before you buy.

Status: published
Used range$64,900–$87,900
Recallnone found
Known risks2
Sources5
Verified2026-09-07
Buy-Risk Verdict
Insufficient data
Short answer: Makino A51 (Horizontal machining center): real dealer prices. Used examples run $64,900 to $87,900. Basis: revelationmachinery.com dealer listing.

Last verified against the primary source on Sep 7, 2026.

Decision status
insufficient-data

Makino A51 (Horizontal machining center): real dealer prices.

Confidence 0%
Market context
$79,900

3 observed comparables

As of Sep 7, 2026
Failure & Downtime Exposure

What can make the cheap machine expensive?

ComponentSeverityDocumented repair cost
ATC door proximity switchmediumnot yet verified
Legacy control supportlownot yet verified
ATC door proximity switchmedium

On a Makino A51, a broken proximity-switch actuator on the tool-change door caused a tool to hang up mid-exchange (misdiagnosed at first as a low air-pressure fault), stopping the ATC cycle.

Cost not yet verified
Legacy control supportlow

Owners running older Makino horizontals (A51-era machines from the 1990s still in service) report that manufacturer support thins out as the machine ages, raising the risk of longer downtime when parts or control-level help are needed.

Cost not yet verified

Common questions

How much does a used Makino A51 cost?

Observed listings range roughly $64,900 to $87,900 depending on age, condition, and configuration (as of 2026-09-07).

What fails on the Makino A51?

The most cited concerns in our evidence record: ATC door proximity switch, Legacy control support. See the risk breakdown above for details and sources.

From the research record

  • MARKET (3 real dealer listings, 2026-09-07): $64,900-$87,900, median $79,900. Exact-model listings; Claude spot-verified a sample.
  • RISK (2026-09-08, medium): ATC / tool-change door proximity switch: "An actuator for the door open prox switch had broken off. Was not a low pressure alarm at all." https://www.practicalmachinist.com/forum/threads/makino-tool-change-interruption.297454/
  • RISK (2026-09-08, low): Legacy control / factory support: "support for older machines is not that great" https://www.practicalmachinist.com/forum/threads/makino-a51-or-something-else.269077/

Sources

  1. revelationmachinery.com dealer listingdealer-inventory · verified · accessed 2026-09-07
  2. revelationmachinery.com dealer listingdealer-inventory · verified · accessed 2026-09-07
  3. revelationmachinery.com dealer listingdealer-inventory · verified · accessed 2026-09-07
  4. practicalmachinist.com (owner/operator failure report)owner-review · verified · accessed 2026-09-08
  5. practicalmachinist.com (owner/operator failure report)owner-review · verified · accessed 2026-09-08
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