The Massey Ferguson 50 tractor primary air filter part number is 1887575M91. The inner safety filter is 3703704M91.
Massey Ferguson 50 Air Filter Details
Primary air filter part number
1887575M91
Inner safety air filter part number
3703704M91
Outer air filter part number
2127378K1
Air Filter Service Interval Guide
Air Filter Service Interval Guide
Dusty use
100 hrs
Average
250 hrs
Light use
500 hrs
These are practical inspection/replacement guide ranges for the compact tractor category. Dusty work can shorten the interval heavily, so use the restriction indicator and operator manual first.
Massey Ferguson 50 Extra Air Filter Notes
Engine model
Perkins 2.5L
Engine displacement
2.5 L | 152.6 cu in
Engine horsepower
34 hp | 25.4 kW
Primary filter note
For the Massey Ferguson 50, the listed primary air filter part number is 1887575M91. 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 2127378K1.
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
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
For a smaller tractor, the filter may not look dramatic, but dirt ingestion is still the killer. Dry mowing, loader work and chaff are bigger triggers than engine hours alone.
Engine airflow note
Engine size is useful context for service urgency, not a license to ignore the part number. The canister and seal decide fitment.
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 50 Air Filter FAQs
Is the Massey Ferguson 50 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 2127378K1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.
What is the safest way to match a Massey Ferguson 50 air filter?
Do not buy from the title alone. Match 1887575M91 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
What part-number mistake should I avoid on a Massey Ferguson 50?
The main number 1887575M91 should be treated as the control number. The other numbers need their own fitment checks, not blind substitution.
How do the Massey Ferguson 50 outer and primary filters differ?
This is not a one-number job. The outer and inner elements have different jobs, so compare both old parts before buying a kit.
Can a dirty air filter affect Massey Ferguson 50 performance?
For a smaller tractor, the filter may not look dramatic, but dirt ingestion is still the killer. Dry mowing, loader work and chaff are bigger triggers than engine hours alone.
Should I use engine displacement to verify a Massey Ferguson 50 filter?
Engine size is useful context for service urgency, not a license to ignore the part number. The canister and seal decide fitment.
Should I replace the Massey Ferguson 50 inner safety filter every time?
Do not treat the safety filter like a second primary filter. It should stay protected; once it is dirty, replace it instead of trying to revive it with air pressure.
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.
