Fits: New Holland 717S, New Holland 717W, New Holland 770W, New Holland 790W, New Holland 824
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
Overview
OEM sprocket for the New Holland 717S and 717W that drives the chain at the set ratio. Cataloged for 5 New Holland models across 3 series.
Specifications
Compatibility
Type your model to confirm it fits — or browse the full compatibility list below.
| Model | Series |
|---|---|
| 717S | SICKLE BAR |
| 717W | PICK-UP |
| 770W | PICK-UP |
| 790W | PICK-UP |
| 824 | ROW CROP |
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.
Part guide
New Holland 645618 is the sprocket Clinton Tractor supplies for this application. It is listed as fitting 5 New Holland models.
Fits: New Holland 717S, New Holland 717W, New Holland 770W, New Holland 790W, New Holland 824. Commonly ordered for the 717S, 717W, 770W. If your machine isn't listed, check the serial number before ordering.
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
Questions
Quick answers to what operators ask most before they order this part.
It fits 5 New Holland models, including the 717S, 717W, 770W and 2 more.
Yes — 645618 is a genuine New Holland OEM sprocket, supplied new by Clinton Tractor.
Match your model and serial number against the fitment list on this page — it covers the New Holland 717S — or send your serial to Clinton Tractor and we'll confirm 645618.
Reviews
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Often Bought Together
