All States Ag Parts Muffler International 856 756 706 398511R1 Fits International Tractor(s) 706 (C-2363 & C291 gas/lp), 756 (c-291 gas/lp), 856 (C-301 gas/lp) Replaces International OEM nos 398511R1 Muffler mount: Vertical Overall Length: 34" Shell Diameter: 6"