This code applies to all types of self-propelled machinery. It covers five methods of determination as follows: Suspension Method Null Point Method Platform Support Reaction Method Reaction Method Balance Method
SAE J874A-1977 history
2003SAE J874-2003 Earthmoving Machines Method for Locating the Center of Gravity
0000 SAE J874-1993*ISO 5005
1986SAE J874-1986 Earthmoving Machines--Method for Locating the Center of Gravity