The Massey Ferguson 7720 tractor primary air filter part number is 7068311M91. The inner safety filter is 3703704M91.
Massey Ferguson 7720 Air Filter Details
Primary air filter part number
7068311M91
Inner safety air filter part number
3703704M91
Outer air filter part number
7068069M1
Air filter dimensions
Length: 9.4 in | Outside diameter: 4.1 in | Inside diameter: 0.4 in
Cross-reference part numbers
70680
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
400 hrs
Light use
800 hrs
Listed Filter Size Check
Length
9.4 in
Outside diameter
4.1 in
Inside diameter
0.4 in
These are practical inspection/replacement guide ranges for the row-crop tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Massey Ferguson 7720 Extra Air Filter Notes
Engine displacement
6.6 L | 402.8 cu in
Engine horsepower
185 hp | 138 kW
Primary filter note
For the Massey Ferguson 7720, the listed primary air filter part number is 7068311M91. 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 7068069M1.
Safety filter note
The listed inner safety air filter is 3703704M91. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note
Listed dimensions: Length: 9.4 in | Outside diameter: 4.1 in | Inside diameter: 0.4 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 9.4 in and normal outside diameter at 4.1 in. Use that as a fitment sanity check against the old filter.
Power range note
The important combo is power plus element size. That tells you whether restriction is a real working problem or mainly a fit/seal problem.
Engine airflow note
The displacement helps identify the engine family; horsepower tells you how hard it breathes under load. The element still has to match the canister.
Cross-reference note
Possible cross-reference numbers found for the Massey Ferguson 7720: 70680. 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.
Massey Ferguson 7720 Air Filter FAQs
Is the Massey Ferguson 7720 air filter a one-part or multi-part 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 7068069M1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
What does the Massey Ferguson 7720 horsepower and filter size combo tell me?
Horsepower tells you airflow demand; length and outside diameter tell you rough element size. Together they say whether restriction is a service concern or mostly a fitment check.
What would make a Massey Ferguson 7720 air filter cross-listing suspicious?
The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 7068311M91, but do not ignore the a primary, outer and inner safety element setup. The size data points to a mid-size element, so compare the removed element against both length and outside diameter before fitting.
Can I match a Massey Ferguson 7720 air filter by size?
A mid-size 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.
Would I be strict with the Massey Ferguson 7720 air filter condition?
Yes. The power-to-filter-size relationship makes restriction and seal condition worth taking seriously. Replace a questionable element before heavy dusty work.
Are cross-reference air filters safe for a Massey Ferguson 7720?
Treat the alternate number as a lead beside 7068311M91. If the gasket, end cap or canister depth differs, walk away.
What symptoms point to air restriction on a Massey Ferguson 7720?
The important combo is power plus element size. That tells you whether restriction is a real working problem or mainly a fit/seal problem.
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 masseyferguson.com website before ordering or installing an air filter.
