Description
If you’ve got an old D-series tractor that’s been sitting too long or needs its air cleaner system brought back to life, this oil cup is probably what you’re looking for. The oil bath air cleaner was the workhorse of vintage tractors – simple, effective, and nearly indestructible when properly maintained. The oil bath air cleaner was the answer, using a pool of oil to trap dust particles before they could reach your engine.
What You’re Getting
- Proper dimensions with 4-3/4 inch outside diameter at the lip and 3-inch height
- 4.450-inch inside diameter for correct oil capacity and airflow
- Built to original specifications for authentic restoration
- Heavy-duty construction that handles the heat and vibration of vintage engines
Built for Real Farm Work
This cup is designed specifically for early D10 tractors up to serial number 3501, D12 tractors to serial 3001, and D14 models. These were the dependable workhorses that broke ground, pulled implements, and powered belt-driven equipment back when farming was done with fewer but tougher machines.
Made to Last
Vintage iron was built when parts were expected to last decades, not seasons. This oil cup maintains that same philosophy with solid construction that can handle the temperature cycling and vibration these old engines produce. Fill the oil cup to the marked level with the same grade oil used in your engine for proper operation.
Installation Notes
This is a direct replacement for your original oil cup. Regular maintenance involves dumping dirty oil, cleaning the cup, and refilling with fresh oil. Don’t overfill it – the oil level matters for proper dust separation, and too much oil can actually reduce filtration efficiency.




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