The Case IH MXM120 tractor primary air filter part number is P606946. The inner safety filter is 187472A1.
Case IH MXM120 Air Filter Details
Primary air filter part number
P606946
Inner safety air filter part number
187472A1
Outer air filter part number
A194052
Air filter dimensions
Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in
Cross-reference part numbers
MXM120
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
Height
16.4 in
Outside diameter
9.9 in
Inside diameter
6 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.
Case IH MXM120 Extra Air Filter Notes
Engine horsepower
122 hp | 91 kW
Primary filter note
For the Case IH MXM120, the listed primary air filter part number is P606946. 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 A194052.
Safety filter note
The listed inner safety air filter is 187472A1. Do not remove the safety element for normal cleaning; replace it if dirty, damaged or oil-soaked.
Fitment note
Listed dimensions: Outside diameter: 9.9 in | Inside diameter: 6 in | Height: 16.4 in. Use dimensions as a second check, not as the only buying method.
Filter size note
The listed dimensions point to a long element length at 16.4 in and large outside diameter at 9.9 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.
Cross-reference note
Possible cross-reference numbers found for the Case IH MXM120: MXM120. 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.
Case IH MXM120 Air Filter FAQs
Should I order one filter or a full Case IH MXM120 air-filter set?
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 A194052 when you meant the safety filter, or 187472A1 when you meant the outer filter.
How do I avoid buying the wrong Case IH MXM120 air filter?
Do not buy from the title alone. Match P606946 against the removed filter, then check gasket shape, end-cap depth and cover fit before starting the tractor.
Can the Case IH MXM120 air filter become a restriction under load?
The combo is a practical warning system. If the element is packed, damaged or not sealing, the engine can lose airflow long before the filter looks catastrophic.
Which Case IH MXM120 air-filter measurement matters most?
The dimensions are useful only as a fitment screen. The final test is whether the element seats square, the cover closes normally and the seal lands where the old one did.
How can part-number style help check a Case IH MXM120 filter?
When there are several part numbers, do not search them all in one cart and hope. Label each one as primary, outer or safety before buying.
What order should I check the Case IH MXM120 air-filter elements?
Use A194052 to check the service element and 187472A1 to check the safety element. Do not assume one substitutes for the other.
What is the risk with Case IH MXM120 air-filter cross-refs?
The cross-ref is helpful for aftermarket shopping, but the primary number and old element should still carry more weight.
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 caseih.com website before ordering or installing an air filter.
