New Can Am Maverick or Commander Transmission The new Can-Am transmission is a way to lower the overall gear ratio on your can-am 1000 with the big tires. Current part number is 420686654 Replaces: 420686563, 420686562 and 420685807 NEW OEM Canam part NOT REFURBISHED, ALL NEW, brand new in the box This is a low ratio transmission for machines equipped with a larger transmission, please ask if you are unsure of the fitment. **Top speed on our 2012 Commander 1000 is 62 mph (high range) with this transmission and a stock clutch and stock size tires** Transmission gear ratios, this is not information sucked up, this is us counting the teeth inside the transmission. Crown and Pinion Gears 37/15=2.467 Idle 45/40=1.125 High Range 36/27=1.333 Low Range 46/17=2.706 Reverse 34/12=2.833 High Range Ratio 3.700 Low Range Ratio 7.509 Reverse Ratio 7.863