# The Complete Guide to Selecting and Using Rough Terrain Forklifts: From Beginner to Expert (Part 4)

4. Real-World Cases: How Do Rough Terrain Forklifts Improve Operational Efficiency? Case 1: Rainy Season Challenges at a Ranch in Inner Mongolia Problem: Traditional forklifts could not handle slippery hay bales during the rainy season. Solution: Adoption of the Changjian CJ939 (four-wheel drive + anti-slip hay fork). Result: Single-trip handling of 2-ton hay bales, achieving a 300% increase in efficiency. Case 2: Building Material Handling at a Construction Site Problem: Standard forklifts sank on soft ground. Solution: Switch to the Changjian CJ936L (wide tires + four-wheel drive). Result: A 50% improvement in handling efficiency and a reduction in equipment failures.