Massey Ferguson 1220 Air Filter (3703703M91)

Quick answer:

The Massey Ferguson 1220 tractor primary air filter part number is 3703703M91. The inner safety filter is 3703704M91.

Massey Ferguson 1220 Air Filter Details

Primary air filter part number 3703703M91
Inner safety air filter part number 3703704M91
Outer air filter part number 7068069M1
Air filter dimensions Length: 9.2 in | Outside diameter: 4 in | Inside diameter: 2.5 in
Cross-reference part numbers 70680, 1032762M1, 1807255M1

Air Filter Service Interval Guide

Air Filter Service Interval Guide

Dusty use

100 hrs

Average

250 hrs

Light use

500 hrs

Listed Filter Size Check

Length

9.2 in

Outside diameter

4 in

Inside diameter

2.5 in

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 1220 Extra Air Filter Notes

Engine model Iseki 1.1L
Engine displacement 1.1 L | 67.1 cu in
Engine horsepower 21 hp | 15.7 kW
Primary filter note For the Massey Ferguson 1220, the listed primary air filter part number is 3703703M91. 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: 9.2 in | Outside diameter: 4 in | Inside diameter: 2.5 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 9.2 in and normal outside diameter at 4 in. Use that as a fitment sanity check against the old filter.
Power range note A dirty filter on this setup can show up as reduced pull, black smoke or higher temperature. That is more useful than staring at the hour meter.
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.
Cross-reference note Possible cross-reference numbers found for the Massey Ferguson 1220: 70680, 1032762M1, 1807255M1. 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 1220 Air Filter FAQs

What should I buy for a full Massey Ferguson 1220 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 7068069M1 when you meant the safety filter, or 3703704M91 when you meant the outer filter.

How should I verify the Massey Ferguson 1220 air filter before fitting it?

The buying order should be: old filter number first, housing fit second, then cross-reference. Start with 3703703M91, 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.

Why compare Massey Ferguson 1220 horsepower with filter dimensions?

Comparing power and element size helps catch bad cross-references. A tiny replacement for a harder-working engine should make you suspicious before installing it.

What do the Massey Ferguson 1220 air filter dimensions tell me?

The useful thing is the relationship between the three measurements: length checks housing depth, outside diameter checks the outer seal, and inside diameter checks the center opening. A filter can match two and still fail the third.

Can a similar Massey Ferguson 1220 air-filter number still be wrong?

The primary number format is a Massey-style M-suffix number, while the page also has separate companion numbers. That is exactly where copy-paste ordering mistakes happen.

Can I use aftermarket cross-reference filters on a Massey Ferguson 1220?

Use the cross-refs for availability, not final fitment. If the replacement changes end-cap depth or gasket compression, it is the wrong choice.

Can a dirty air filter affect Massey Ferguson 1220 performance?

A dirty filter on this setup can show up as reduced pull, black smoke or higher temperature. That is more useful than staring at the hour meter.

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.