Get the Caterpillar 389-1406 Cabinet GP 3891406 for MT4400D AC Mining Trucks at Allparts Machinery. This genuine OEM CAT Cabinet GP is specifically designed for use with MT4400D AC Truck models MH4 and MT4, ensuring compatibility, reliability, and top performance in demanding mining operations. Built to meet Caterpillar’s exacting standards, this 389-1406 Cabinet GP is ideal for heavy-duty environments where durability and precision are essential. Allparts Machinery specializes in hard-to-find and discontinued Caterpillar parts, giving you fast access to critical components for your mining fleet. ✅ Fits CAT MT4400D AC Truck MH4 & MT4 ✅ OEM Caterpillar Cabinet GP 3891406 ✅ Trusted source for heavy equipment parts