Derry Longhorn 4520 SE is a comprehensive mod for SnowRunner, designed to enhance gameplay by improving vehicle performance and customization options. This free mod introduces a range of new features, including both stock and custom engines, as well as custom gearboxes, allowing players to tailor their vehicles to their preferences. The mod also implements a permanent differential lock, reworked suspension systems with active and tuned options, and an increased wheel size up to 52 inches, enhancing the overall driving experience.

In addition to performance upgrades, Derry Longhorn 4520 SE expands aesthetic choices with a variety of cosmetic parts, colors, and custom winches. Players can also benefit from added spare wheels and repair points, which are essential for extended gameplay. The mod supports various wheel packs and provides compatibility with other recommended mods, ensuring a versatile and enjoyable modification experience for SnowRunner enthusiasts.