Question 1

Which is better, Singer Heavy Duty 4423 or Singer Heavy Duty 44S?

Accepted Answer

Based on our testing, the Singer Heavy Duty 4423 scores higher overall at 9/10. The Singer Heavy Duty 4423 scored 9/10 and the Singer Heavy Duty 44S scored 8.8/10 in our Best Heavy Duty Sewing Machines 2026 evaluation.

Question 2

Is the Singer Heavy Duty 4423 worth it over the Singer Heavy Duty 44S?

Accepted Answer

The Singer Heavy Duty 4423 scores 9/10 while the Singer Heavy Duty 44S scores 8.8/10. The Singer Heavy Duty 4423 is our "Best Overall" pick in the Best Heavy Duty Sewing Machines 2026 category.

Singer Heavy Duty 4423 vs Singer Heavy Duty 44S: Which to Buy?