Volvo M40 transmission
M40 and M41 are both gearboxes produced by Koping Engineering for Volvo and used in Volvo Duett, Volvo Valp, Volvo Amazon, Volvo 142 and many more. It is a four speed gearbox. It was also available in s a stronger version called M400 and a three speed version called M30.Gear Ratios[http://www.volvotips.com/index.php/pv/specifications/][http://www.nuceng.ca/bill/volvo/database/tranny.htm#M41]
