The US State Department on Tuesday confirmed it had approved the sale of up to 115 tanks to Saudi Arabia.
The entire package of MIA25 Saudi Abrams main battle tanks and related equipment is valued at 1.15 billion dollars, State Department spokeswoman Elizabeth Trudeau said.
The main contractor for the job is General Dynamics Land Systems, the US Defense Security Cooperation Agency (DSCA) said.
"The proposed sale of this equipment and support will not alter the basic military balance in the region," the DSCA said, noting that it would "improve Saudi Arabia's capability to meet current and future threats and provide greater security for its critical infrastructure."
The sale comes as the kingdom has come under fire for mounting civilian deaths in the Saudi-led air campaign against Shiite Houthi rebels in Yemen.