Fits: New Holland BOOMER-50, New Holland BOOMER-55, New Holland BOOMER-45, New Holland BOOMER-40, New Holland BOOMER-33 + 14 more
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$0.94/ea · SKU CT-NHL-MT40029079-PK5
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Overview
On the New Holland BOOMER-55 and BOOMER-20, the flange nut bolts and seals the joint face. Fits 19 New Holland models across 2 series.
Specifications
Compatibility
Type your model to confirm it fits — or browse the full compatibility list below.
| Model | Series |
|---|---|
| BOOMER-55 | BOOMER |
| BOOMER-20 | BOOMER |
| BOOMER-25 | BOOMER |
| BOOMER-45 | BOOMER |
| BOOMER-50 | BOOMER |
| BOOMER-55 | BOOMER |
| BOOMER-40 | BOOMER |
| BOOMER-41 | BOOMER |
| BOOMER-41 | BOOMER |
| BOOMER-45 | BOOMER |
| BOOMER-47 | BOOMER |
| BOOMER-47 | BOOMER |
| BOOMER-50 | BOOMER |
| BOOMER-37 | BOOMER |
| WORKMASTER-25 | WORKMASTER |
| WORKMASTER-35 | WORKMASTER |
| WORKMASTER-40 | WORKMASTER |
| BOOMER-24 | BOOMER |
| BOOMER-35 | BOOMER |
| BOOMER-40 | BOOMER |
| BOOMER-40 | BOOMER |
| BOOMER-50 | BOOMER |
| WORKMASTER-33 | WORKMASTER |
| WORKMASTER-35 | WORKMASTER |
| WORKMASTER-37 | WORKMASTER |
| WORKMASTER-40 | WORKMASTER |
| BOOMER-30 | BOOMER |
| BOOMER-33 | BOOMER |
| BOOMER-35 | BOOMER |
| BOOMER-37 | BOOMER |
| WORKMASTER-25S | WORKMASTER |
Showing the first 10 of 31 compatible models — type your model above to jump straight to it.
Not sure it fits? Search by serial number for an exact, machine-specific match.
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 WORKMASTER-35 · Engine | #12 | 30 | View |
 | New Holland WORKMASTER-25 · Platform, Cab, Bodywork and Decals | #7 | 28 | View |
 | New Holland WORKMASTER-25 · Hydraulic Systems | #9 | 10 | View |
 | New Holland BOOMER-41 · Hydraulic Systems | #7 | 39 | View |
 | New Holland WORKMASTER-33 · Engine | #12 | 37 | View |
 | New Holland BOOMER-40 · Hydraulic Systems | #6 | 7 | View |
 | New Holland WORKMASTER-33 · Hydraulic Systems | #14 | 14 | View |
 | New Holland BOOMER-45 · Engine | #12 | 24 | View |
 | New Holland BOOMER-35 · Engine | #10 | 31 | View |
 | New Holland BOOMER-41 · Engine | #12 | 28 | View |
 | New Holland WORKMASTER-25S · Frames and Ballasting | #17 | 35 | View |
 | New Holland BOOMER-41 · Engine | #22 | 33 | View |
 | New Holland WORKMASTER-25 · Engine | #19 | 28 | View |
 | New Holland BOOMER-40 · Engine | #12 | 30 | View |
 | New Holland BOOMER-37 · Hydraulic Systems | #6 | 7 | View |
 | New Holland WORKMASTER-35 · Engine | #11 | 28 | View |
 | New Holland BOOMER-20 · Platform, Cab, Bodywork and Decals | #4 | 7 | View |
 | New Holland BOOMER-24 · Frames and Ballasting | #20 | 26 | View |
 | New Holland BOOMER-20 · Engine | #20 | 30 | View |
 | New Holland BOOMER-40 · Engine | #13 | 23 | View |
 | New Holland BOOMER-45 · Engine | #12 | 24 | View |
 | New Holland BOOMER-55 · Engine | #12 | 24 | View |
 | New Holland BOOMER-20 · Engine | #4 | 17 | View |
 | New Holland WORKMASTER-40 · Engine | #11 | 27 | View |
 | New Holland BOOMER-20 · Platform, Cab, Bodywork and Decals | #13 | 19 | View |
 | New Holland BOOMER-41 · Hydraulic Systems | #7 | 40 | View |
 | New Holland BOOMER-55 · Hydraulic Systems | #6 | 7 | View |
 | New Holland BOOMER-20 · Engine | #20 | 25 | View |
 | New Holland BOOMER-45 · Engine | #12 | 28 | View |
 | New Holland BOOMER-45 · Engine | #12 | 30 | View |
 | New Holland BOOMER-45 · Hydraulic Systems | #4 | 5 | View |
 | New Holland BOOMER-45 · Hydraulic Systems | #7 | 39 | View |
 | New Holland BOOMER-45 · Hydraulic Systems | #7 | 36 | View |
 | New Holland BOOMER-40 · Engine | #12 | 34 | View |
 | New Holland BOOMER-35 · Engine | #10 | 31 | View |
 | New Holland BOOMER-40 · Hydraulic Systems | #4 | 5 | View |
 | New Holland BOOMER-55 · Engine | #12 | 28 | View |
 | New Holland BOOMER-55 · Engine | #12 | 30 | View |
 | New Holland BOOMER-55 · Hydraulic Systems | #4 | 5 | View |
 | New Holland BOOMER-55 · Hydraulic Systems | #7 | 36 | View |
 | New Holland BOOMER-55 · Hydraulic Systems | #7 | 39 | View |
 | New Holland BOOMER-55 · Hydraulic Systems | #4 | 5 | View |
 | New Holland BOOMER-55 · Engine | #17 | 32 | View |
 | New Holland BOOMER-45 · Hydraulic Systems | #7 | 38 | View |
 | New Holland BOOMER-55 · Hydraulic Systems | #7 | 38 | View |
 | New Holland BOOMER-33 · Engine | #12 | 35 | View |
 | New Holland BOOMER-41 · Hydraulic Systems | #6 | 9 | View |
 | New Holland WORKMASTER-35 · Hydraulic Systems | #14 | 14 | View |
 | New Holland WORKMASTER-35 · Hydraulic Systems | #9 | 10 | View |
 | New Holland BOOMER-37 · Engine | #12 | 42 | View |
Part guide
New Holland MT40029079 is the flange nut Clinton Tractor supplies for this application. It is listed as fitting 19 New Holland models.
Fits: New Holland BOOMER-50, New Holland BOOMER-55, New Holland BOOMER-45, New Holland BOOMER-40, New Holland BOOMER-33 + 14 more. Commonly ordered for the BOOMER-55, BOOMER-20, BOOMER-25. If your machine isn't listed, check the serial number before ordering.
Machine specifications
Verified equipment data for the models in the compatibility list — match yours before ordering.
| Specification | New Holland BOOMER-55 | New Holland BOOMER-20 | New Holland BOOMER-25 | New Holland BOOMER-45 | New Holland BOOMER-50 | New Holland BOOMER-40 |
|---|---|---|---|---|---|---|
| Weight | 3424 to 4194 pounds lbs | 1,702 lbs772 kg lbs | 1,702 lbs772 kg lbs | 3424 to 4194 pounds lbs | 3,549 lbs1609 kg lbs | 3,549 lbs1609 kg lbs |
| Rear PTO | independent | independent | independent | independent | independent | independent |
| 3-pt hitch | I · 2116 lbs959 kg lbs lift | I · 1058 lbs479 kg lbs lift | I · 1058 lbs479 kg lbs lift | I · 2116 lbs959 kg lbs lift | I | I |
| Fuel capacity | — | 6.6 gal25.0 L gal | 6.6 gal25.0 L gal | — | — | — |
| Rear tires | 13.6-24 | 9.5-16 | 9.5-16 | 13.6-24 | — | — |
Watch
Install, fitment & service walkthroughs for this part.
3:46
19:40
5:33
6:03Questions
Quick answers to what operators ask most before they order this part.
It fits 19 New Holland models, including the BOOMER-55, BOOMER-20, BOOMER-25 and 16 more.
Yes — MT40029079 is a genuine New Holland OEM flange nut, supplied new by Clinton Tractor.
Match your model and serial number against the fitment list on this page — it covers the New Holland BOOMER-55 — or send your serial to Clinton Tractor and we'll confirm MT40029079.
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