Underslung Downswept Silver Exhaust Silencer Kit for Massey Ferguson 135 Tractor. 1x 20289 Exhaust Silencer – Fitting Diameter: 39-41.5mm – Overall Length: 880mm – Silencer Diameter: 75mm – Silencer Length: 600mm – Type: Horizontal Curved Tip – Finish: Aluminium Heat Resistant Paint 1x 21300 Downswept Exhaust Pipe – 3 Bolt Fitting – Fits Diesel Engine – Fitting Diameter: 35mm – Overall Length: 1030mm – Pipe Diameter: 39mm – Distance Between Bolt Holes: 69mm 1x 21663 Exhaust Silencer Clamp 1x 10897 Exhaust Manifold Elbow Gasket 1x 19292 Horizontal Exhaust Clamp. Massey Ferguson 35, 133, 135, 140, 148, 240 Perkins A3.144, A3.152.