Description
When your tractor’s front axle starts making that grinding noise or you notice jerky movement when turning under load, there’s a good chance it’s time to pay attention to your planetary drive. This planet pinion is one of the hardest-working gears in your front axle assembly, and when it wears out, you’ll feel it in the steering and see it in uneven tire wear that’s costing you money.
What You’re Getting
- Precision-machined pinion gear that meshes perfectly with your planetary ring gear
- Heat-treated construction that handles the massive torque loads of front-wheel assist
- Exact dimensional match to original equipment specifications
- Direct replacement that restores smooth, quiet operation to your front axle
Built for Real Farm Work
This pinion fits a wide range of John Deere tractors from the versatile 6J series utility models up through the heavy-duty 7030 series row-crop machines. Whether you’re running a loader tractor that spends its days pushing feed or moving materials, or pulling heavy implements through tough field conditions, these planetary drives multiply torque while reducing wheel speed for maximum traction when you need it most.
Made to Last
Farm work doesn’t get easier on equipment, and planetary gears take some serious punishment. This pinion is built with the same materials and heat treatment as the original, so it’ll handle the constant cycling between forward and reverse, the shock loads from hitting rocks or rough ground, and the steady stress of four-wheel drive operation season after season.
Good to Know
Planetary gear replacement typically means pulling the front wheel hub and accessing the planetary assembly – it’s not a quick roadside fix, but it’s straightforward work for anyone comfortable with axle service. While you’ve got things apart, it’s smart to inspect the other planetary gears and replace the gear oil with fresh fluid to protect your investment.






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