Tap here to read more about Spindle w/Pulley Blade & Belt For Troy-Bilt 17ADCACT066 46 Deck Zero-Turn Mower. Premium Quality Replacement Part. Spindle Assembly with Blade Pulley & Belt. 17ADCACT066 – Troy-Bilt Mustang XP 46 Zero-Turn Mower (2013). Weight: 5 lbs 4 oz. Length: 3162.3 mm – 124.5 in. Width: 12.7 mm – 0.5 in. Thickness: 8 mm – 0.3 in. MANUFACTURED TO MEET OR EXCEED OEM PERFORMANCE.