Fits: New Holland T7.165, New Holland T7.165S, New Holland T7.170, New Holland T7.175, New Holland T7.180 + 315 more
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
Also sold as a full pack of 2
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
Also sold as a full pack of 2
Overview
OEM nut ring for the New Holland Fiat 140-90-DT and T4.100F that locks the joint at the correct preload. Fits 317 New Holland models across 41 series.
Specifications
Compatibility
Type your model to confirm it fits — or browse the full compatibility list below.
| Model | Series |
|---|---|
| 140-90-DT | FIAT |
| T4100F | T4.XXF |
| T4100LP | T4.XXLP |
| T4100V | T4.XXNV |
| T4110F | T4.XXF |
| T4110LP | T4.XXLP |
| T4110V | T4.XXNV |
| T4115 | T4.XXX TRACTORS |
| T480F | T4.XXF |
| T480LP | T4.XXLP |
| T480V | T4.XXNV |
| T490F | T4.XXF |
| T490LP | T4.XXLP |
| T490V | T4.XXNV |
| TD5030 | TD5000 |
| T475 | T4.XXX TRACTORS |
| TD490F | TD4000F |
| TD5050 | TD5000 |
| 70-66-DT | FIAT 66 |
| 4835 | 35 SERIES |
| 5635 | 35 SERIES |
| 6635 | 35 SERIES |
| T4105 | T4.XXX TRACTORS |
| T485 | T4.XXX TRACTORS |
| T495 | T4.XXX TRACTORS |
| TD5010 | TD5000 |
| TD5020 | TD5000 |
| TD5100 | TD5. |
| TD5110 | TD5. |
| TD75D | TDD |
| TD85F | TDF |
| TD95D | TDD |
| TL90A | TLA |
| TN60VA | TNVA |
| TN70VA | TNVA |
| TN75VA | TNVA |
| TN95VA | TNVA |
| WORKMASTER-105 | WORKMASTER |
| WORKMASTER-120 | WORKMASTER |
| WORKMASTER-95 | WORKMASTER |
| 70-66S-DT | FIAT 66 |
| 72-94-DT | FIAT |
| 80-66 | FIAT |
| 80-66-DT | FIAT |
| 82-94-DT | FIAT |
| 80-66-DT | TK |
| T4050F | T4000F |
| T4100 | T4.XXX TRACTORS |
| T4110 | T4.XXX TRACTORS |
| T490 | T4.XXX TRACTORS |
| T495F | T4.XXF |
| T5050 | T5000 |
| T5060 | T5000 |
| TD4040F | TD4000F |
| TD575 | TD5. |
| TD80D | TDD |
| TD90F | TDF |
| TK4100 | TK4.XXX |
| TK4100M | TK4.XXX |
| TK4110 | TK4.XXX |
Showing the first 10 of 317 compatible models — type your model above to jump straight to it.
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 T4020V · Hydraulic Systems | #7 | 25 | View |
 | New Holland T4.100F · Implement Power Take Off | #10 | 54 | View |
 | New Holland T4020 · Hydraulic Systems | #22 | 36 | View |
 | New Holland TD95D · Transmission | #3 | 0 | View |
 | Fiat 65-90 · Transmission | #5122985 | 29 | View |
 | New Holland T6.125 · Implement Power Take Off | #15 | 0 | View |
 | Fiat 72-93 · Hydraulic Systems | #5122985 | 27 | View |
 | Fiat 70-76-F · Hydraulic Systems | #5122985 | 27 | View |
 | Fiat 88-93 · Hydraulic Systems | #5122985 | 12 | View |
 | New Holland TD490F · Transmission | #6 | 22 | View |
 | New Holland TN60DA · Hydraulic Systems | #22 | 56 | View |
 | New Holland TD75D · Hydraulic Systems | #19 | 0 | View |
 | New Holland T4.100 · Implement Power Take Off | #3 | 0 | View |
 | New Holland T5.110 · Implement Power Take Off | #1 | 0 | View |
 | New Holland TD5100 · Implement Power Take Off | #14 | 0 | View |
 | New Holland TN65F · Hydraulic Systems | #7 | 21 | View |
 | New Holland T4040 · Hydraulic Systems | #22 | 35 | View |
 | New Holland T5.115 · Implement Power Take Off | #1 | 29 | View |
 | New Holland TL70 · Variations | #14 | 0 | View |
 | New Holland T4.110F · Implement Power Take Off | #10 | 47 | View |
 | New Holland T4030F · Hydraulic Systems | #10 | 48 | View |
 | Fiat 72-86F-DT · Variations | #5122985 | 0 | View |
 | New Holland TS100A · Hydraulic Systems | #19 | 21 | View |
 | New Holland T4.100LP · Implement Power Take Off | #10 | 29 | View |
 | Fiat 72-93 · Hydraulic Systems | #5122985 | 15 | View |
 | New Holland T7.225 · Implement Power Take Off | #1 | 0 | View |
 | New Holland T4.110F · Implement Power Take Off | #10 | 59 | View |
 | Ford 4230 · Transmission | #9 | 29 | View |
 | New Holland TL80A · Hydraulic Systems | #5 | 0 | View |
 | Fiat 80-88-DT · Transmission | #5122985 | 14 | View |
 | Fiat 80-66 · Front Axle & Steering | #5122985 | 14 | View |
 | New Holland TK4.100 · Implement Power Take Off | #11 | 47 | View |
 | New Holland TK76 · Hydraulic Systems | #8 | 26 | View |
 | New Holland TN55D · Hydraulic Systems | #7 | 17 | View |
 | New Holland TN60A · Hydraulic Systems | #22 | 32 | View |
 | New Holland TD5050 · Hydraulic Systems | #19 | 0 | View |
 | Fiat 72-93 · Transmission | #5122985 | 29 | View |
 | Fiat 70-66 · Hydraulic Systems | #5122985 | 25 | View |
 | New Holland TK75F · Transmission | #15 | 0 | View |
 | Ford 4835 · Hydraulic Systems | #14 | 14 | View |
 | Ford 4835 · Hydraulic Systems | #5 | 16 | View |
 | New Holland T4.110V · Implement Power Take Off | #10 | 46 | View |
 | Ford 4430 · Hydraulic Systems | #10 | 32 | View |
 | New Holland TN95NA · Hydraulic Systems | #3 | 23 | View |
 | Fiat 80-88 · Hydraulic Systems | #5122985 | 28 | View |
 | New Holland T4040 · Hydraulic Systems | #7 | 19 | View |
 | New Holland T5040 · Hydraulic Systems | #12 | 0 | View |
 | Fiat 45-66 · Transmission | #5122985 | 27 | View |
 | New Holland T4040 · Hydraulic Systems | #7 | 19 | View |
 | New Holland TN55D · Hydraulic Systems | #7 | 16 | View |
Part guide
New Holland 5122985 is the nut ring Clinton Tractor supplies for this application. It is listed as fitting 317 New Holland models.
Fits: New Holland T7.165, New Holland T7.165S, New Holland T7.170, New Holland T7.175, New Holland T7.180 + 315 more. Commonly ordered for the Fiat 140-90-DT, T4.100F, T4.100LP. 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.
Also sold as a full pack of 2
local pickup same day
usually ships same day
Free shipping on parts orders $75+
To the 48 contiguous states, with a CROP account.
Also sold as a full pack of 2
Machine specifications
Verified equipment data for the models in the compatibility list — match yours before ordering.
| Specification | Fiat 140-90-DT | New Holland T4.100F | New Holland T4.100LP | New Holland T4.100V | New Holland T4.110F | New Holland T4.110LP |
|---|---|---|---|---|---|---|
| Weight | 14,266 lbs | — | — | — | 6,989–8,157 lbs | 6,989–8,157 lbs |
| Rear PTO | independent | independent | independent | independent | independent | independent |
| 3-pt hitch | 2 | 2 · 4,630 lbs lift | 2 · 4,630 lbs lift | 2 · 4,630 lbs lift | II · 4,339 lbs lift | II · 4,339 lbs lift |
| Fuel capacity | 47.6 gal | 23.8 gal | 23.8 gal | 23.8 gal | 30.3 gal | 30.3 gal |
| Rear tires | 20.8-38 | — | — | — | — | — |
Questions
Quick answers to what operators ask most before they order this part.
It fits 317 New Holland models, including the Fiat 140-90-DT, T4.100F, T4.100LP and 314 more.
Yes — 5122985 is a genuine New Holland OEM nut ring, supplied new by Clinton Tractor.
Match your model and serial number against the fitment list on this page — it covers the New Holland Fiat 140-90-DT — or send your serial to Clinton Tractor and we'll confirm 5122985.
Reviews
Bought this nut ring? Share how it worked out to help the next operator choose with confidence.
No seeded stars — ratings appear only from real submissions.
Often Bought Together
