Muffler Silence 4687844 AT155323 For John Deere Excavator 200CLC 270CLC 230LC Muffler Silence 4687844 AT155323 For John Deere Excavator 200CLC 270CLC 230LCPart Number: 4687844 4383156 AT218160 AT155323. Application: For John Deere Excavator 200CLC, 230CLC, 230LC, 230LCR, 270CLC, 270LC. Specification: Diameter:290mm Height:600mm.