H15R Mini Excavator Seat Upgrade + Diamond Plate Mod (Huge Comfort Boost!)

In this video I upgrade my H15R mini excavator with two simple but high-impact mods: • Install a new seat with armrests and seat belt • Replace the factory “Chinese carpet” with Harbor Freight diamond plate The stock seat works… but this upgrade adds comfort, safety, and adjustability. I walk through: ✔ Measuring and aligning seat rails ✔ Avoiding battery shutoff interference ✔ Proper bolt spacing (9-7/8" rear / 8-1/4" rail spacing) ✔ Cutting and fitting diamond plate for a clean, non-slip platform ✔ Adhesion prep with acetone ✔ Real-time install and fit check The result? A more secure, comfortable, and professional-looking H15R. I’m not sponsored — just showing you what fits so you don’t waste time or money. Links to parts used are below. If you’re running a Chinese mini excavator, this mod might be worth doing. 👍 Like & Subscribe for more H15R upgrades and Winter Series builds. Are you diggin’… or are you fillin’? Chapters: 00:00 Why I’m Upgrading the H15R Seat 00:46 Removing the Factory “Chinese Carpet” 02:00 Laying Out the Diamond Plate 04:40 Cutting Around Pedals 06:13 Perfect Fit Test 09:35 Surface Prep with Acetone 11:48 Diamond Plate Installed 14:49 Test Fit on Machine 18:12 Removing the Stock Seat 20:22 Unboxing the New Seat 22:30 Measuring Rail Spacing (Important!) 24:58 Seat Installed – Perfect Fit 26:03 Armrests & Seat Belt Installed 26:57 Final Thoughts on the Upgrade