UR M53 Rev2 CLN
UR M53 Calculation of crankshafts for i.c. engines - Rev.2 Jan 2011
Note: UR M53 Rev 3 will come into force on 1 July 2018 and can be found in "Previous Revisions"
UR M53 Rev3 CLN
Calculations for I.C. Engine Crankshafts UR M53 Rev3 Clean - June 2017