Fits: New Holland 648, New Holland 658, New Holland 678, New Holland 688
usually ships in 3-5 business days
usually ships in 3-5 business days
Overview
Genuine New Holland idler gear fitted on the New Holland 648 and 658, where it routes and tensions the belt. Cataloged for 4 New Holland models.
Specifications
Compatibility
Type your model to confirm it fits — or browse the full compatibility list below.
| Model | Series |
|---|---|
| 648 | 600 SERIES |
| 658 | 600 SERIES |
| 678 | 600 SERIES |
| 688 | 600 SERIES |
Not sure it fits? Browse the full parts catalogue to check every listed part.
Parts diagrams
Every diagram this part appears in — jump straight to its callout, or browse the whole assembly. Each diagram opens with every part numbered, and each callout links back to its own part page.
| Assembly | Machine | Callout | Parts | View |
|---|---|---|---|---|
 | New Holland 688 · Complete Machine | #124 | 176 | View |
 | New Holland 678 · Complete Machine | #93 | 129 | View |
 | New Holland 658 · Complete Machine | #11 | 18 | View |
 | New Holland 648 · Main Frame | #11 | 18 | View |
Part guide
New Holland 86587823 is the idler gear Clinton Tractor supplies for this application. It is listed as fitting 4 New Holland models.
Fits: New Holland 648, New Holland 658, New Holland 678, New Holland 688. Commonly ordered for the 648, 658, 678. If your machine isn't listed, check the serial number before ordering.
Questions
Quick answers to what operators ask most before they order this part.
It fits 4 New Holland models, including the 648, 658, 678 and 1 more.
Yes — 86587823 is a genuine New Holland OEM idler gear, supplied new by Clinton Tractor.
Match your model and serial number against the fitment list on this page — it covers the New Holland 648 — or send your serial to Clinton Tractor and we'll confirm 86587823.
Reviews
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Often Bought Together
