Gearbox Gear Case Fits John Deere Mower Deck 400 420 430 F710 F725 F735 AM133761
Replaces OEM:
- AM133761
- AM100157
- AM39377
Will this fit your John Deere?
Models this fits (15)
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Mention part 705778 in your text so we know which one you mean.
60-day no-questions returns & warranty
Don't love it? Return for any reason within 60 days — full refund, no restocking fee, no return-shipping cost on warranty claims. Email a photo and we ship a replacement or refund the same day. See full returns FAQ →
Free shipping — ships same business day
Orders placed before 3 PM CST ship the same business day from our Dallas, TX warehouse. Most US addresses deliver in 3–7 business days.
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Family-owned in Texas since 2011. We reverse-engineer parts to OEM specs, manufacture them to our spec, then import, warehouse, ship, and warranty them ourselves from Dallas — no middlemen, no dealer markup.
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This Gearbox Gear Case fits John Deere mower decks and snowblowers, providing a critical component for smooth gear transitions within the equipment. It's designed for DIY maintenance work, ensuring your John Deere machinery remains reliable and effective during operation.
Built to match OEM
Crafted from high-quality materials, this gearbox gear case mirrors the original engineering specifications for seamless integration. The precise machining and robust finish offer dependable performance, maintaining the integrity of your John Deere equipment.
Installation
The installation process is straightforward and designed for ease, making it suitable for those comfortable with basic mechanical tasks. With the right tools, this part is a drop-in replacement requiring no modifications, allowing you to quickly restore your equipment to full operation.
