The New Holland T4020 tractor primary air filter part number is 86555826. The inner safety filter is 82028151.
New Holland T4020 Air Filter Details
Primary air filter part number
86555826
Inner safety air filter part number
82028151
Outer air filter part number
87408704
Air filter dimensions
Length: 10.8 in | Outside diameter: 4.1 in | Inside diameter: 2.3 in
Cross-reference part numbers
T4020, 10-13/16
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
300 hrs
Light use
600 hrs
Listed Filter Size Check
Length
10.8 in
Outside diameter
4.1 in
Inside diameter
2.3 in
These are practical inspection/replacement guide ranges for the utility tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
New Holland T4020 Extra Air Filter Notes
Engine model
FPT 3.2L
Engine displacement
3.2 L | 195.3 cu in
Engine horsepower
64 hp | 47.7 kW
Primary filter note
For the New Holland T4020, 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 87408704.
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
Listed dimensions: Length: 10.8 in | Outside diameter: 4.1 in | Inside diameter: 2.3 in. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a mid-size element length at 10.8 in and normal outside diameter at 4.1 in. Use that as a fitment sanity check against the old filter.
Power range note
Use the power class to decide urgency. Higher airflow demand means less patience for questionable media, bad seals or packed pleats.
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.
Cross-reference note
Possible cross-reference numbers found for the New Holland T4020: T4020, 10-13/16. Treat these as secondary checks after the primary filter number.
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 T4020 Air Filter FAQs
What is the safest way to match a New Holland T4020 air filter?
The safest match is not just the printed number. Use 86555826, then check whether the element seats fully without forcing the cover.
Does the New Holland T4020 filter size look right for its horsepower?
The useful read is not the raw size by itself. Compared with the 64 hp engine class, the filter size looks reasonable for the power class, but dusty work can still load it quickly. Use that to decide how cautious to be in dusty work.
Which New Holland T4020 air-filter parts should be changed together?
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 87408704 when you meant the safety filter, or 82028151 when you meant the outer filter.
What size mistake should I watch for on a New Holland T4020 air filter?
A long, narrow element can still have different end caps across brands. Use size to narrow the search, then use the part number and seal style to make the decision.
What is the biggest fitment trap with the New Holland T4020 air filter?
The trap is assuming a long, narrow element is close enough because it looks right online. The seal face, end-cap depth and cover pressure have to match, otherwise dust can bypass the media.
What part-number mistake should I avoid on a New Holland T4020?
The main number 86555826 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
Should I buy separate outer and primary filters for a New Holland T4020?
The presence of both outer and inner numbers means you should order carefully. A kit can be convenient, but only if it contains the correct service element and safety element.
Official information note
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.
