The New Holland T9.520 tractor primary air filter part number is 86555826. The inner safety filter is 82028151.
New Holland T9.520 Air Filter Details
| Primary air filter part number | 86555826 |
|---|---|
| Inner safety air filter part number | 82028151 |
| Outer air filter part number | 85827539 |
Air Filter Service Interval Guide
Air Filter Service Interval Guide
These are practical inspection/replacement guide ranges for the large ag tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
New Holland T9.520 Extra Air Filter Notes
| Engine model | FPT 12.9L |
|---|---|
| Engine displacement | 12.9 L | 787.2 cu in |
| Engine horsepower | 514.9 hp | 384 kW |
| Primary filter note | For the New Holland T9.520, the listed primary air filter part number is 86555826. Match the number before buying because air cleaner setups can vary by engine, serial range and market. |
| Outer filter note | The listed outer air filter part number is 85827539. |
| Safety filter note | The listed inner safety air filter is 82028151. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked. |
| Fitment note | Check the old filter, air cleaner housing label and parts book before ordering if the tractor has had an engine or intake-housing change. |
| Power range note | This is a higher-airflow class, so restriction matters fast. If it is working in dust, inspect before the 500-hour planning mark instead of waiting for visible power loss. |
| Engine airflow note | A similar horsepower rating does not guarantee the same filter if displacement or engine family changes. Use the engine data as a sanity check only. |
| Service note | Clean loose dust from the air cleaner housing before pulling the filter. Never run the tractor with the filter removed, even for a quick test. |
New Holland T9.520 Air Filter FAQs
What should I buy for a full New Holland T9.520 air-filter service?
For a full parts check, separate the service element from the safety element: buy the outer/primary service element first, then buy the inner safety element only if it is dirty, damaged or due. Do not accidentally order 85827539 when you meant the safety filter, or 82028151 when you meant the outer filter.
What would make a New Holland T9.520 air filter cross-listing suspicious?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 86555826, but do not ignore the a primary, outer and inner safety element setup.
How should I read the New Holland T9.520 air-filter number?
The part-number pattern can help spot junk listings. If a seller’s number looks nothing like the catalog style, verify it against a real drawing.
Can the New Holland T9.520 lose power from a dirty air filter?
This is a higher-airflow class, so restriction matters fast. If it is working in dust, inspect before the 500-hour planning mark instead of waiting for visible power loss.
Is the New Holland T9.520 outer filter the same as the primary filter?
Use 85827539 to check the service element and 82028151 to check the safety element. Do not assume one substitutes for the other.
Does engine size prove the New Holland T9.520 air-filter part number?
A similar horsepower rating does not guarantee the same filter if displacement or engine family changes. Use the engine data as a sanity check only.
Why should I check the engine before ordering a New Holland T9.520 air filter?
This is a large-displacement / large ag type setup, so airflow is not just a trivia spec. A bad seal or restricted element can show up as smoke, heat or weak pull.
Mistakes do happen. Air filter specs can change by year, engine, serial range, market and air cleaner housing. Check the old filter, operator manual, parts book and official newholland.com website before ordering or installing an air filter.

