Description
Whether you’re breaking in a freshly rebuilt engine or protecting an older tractor with flat tappet cams, this zinc-fortified oil additive gives your engine the protection it needs during those critical first hours of operation. Modern engine oils don’t have the zinc levels that farm equipment engines were designed for, and this additive puts that protection right back where it belongs.
What You’re Getting
- High zinc content that protects cam lobes and lifters during break-in
- Enhanced boundary lubrication for metal-to-metal contact areas
- Reduces wear during the most vulnerable time in an engine’s life
- Works with conventional and synthetic motor oils
- Easy-pour 16-ounce bottle treats one oil change
Built for Real Farm Work
This additive is perfect for tractors, combines, balers, and other farm equipment with rebuilt or remanufactured engines. It’s also great for older equipment that still runs flat tappet camshafts—those engines need the extra zinc protection that today’s low-ZDDP oils just don’t provide. One bottle treats a typical tractor oil change.
Made to Last
Lucas Oil knows farm equipment engines work harder and longer than most. This break-in additive uses proven anti-wear chemistry that’s been protecting engines for decades. The zinc and phosphorus compounds create a protective film on metal surfaces, especially important where high-pressure contact occurs.
Good to Know
Add this to your fresh oil before starting a rebuilt engine, or use it in older equipment that needs extra protection. For break-in applications, use it for the first few oil changes, then switch to regular oil with a standard zinc additive if needed. Always check your engine manual for specific break-in procedures.


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