Chapter 4 Running System Section 1 Introduction 3.The Components of Running System 3.1 The Composition of Automobiles'Running Systems Generally,the running system of automobile includes the frame, axles,wheels and suspension. Figure 4-2 The composition of automobiles'running systems 1.Front suspension 2.Frame 3.Rare suspension 4.Drive axle 5.Rare wheels 6.Front wheels 7.Driven axle 机械电子工程学度 Automobile and Tractor Northwest A&F University Automobile and Tractor Northwest A&F University Chapter 4 Running System 3. The Components of Running System 3.1 The Composition of Automobiles’ Running Systems Generally, the running system of automobile includes the frame, axles, wheels and suspension. Figure 4-2 The composition of automobiles’ running systems 1. Front suspension 2. Frame 3. Rare suspension 4. Drive axle 5. Rare wheels 6. Front wheels 7. Driven axle Section 1 Introduction