A Senate Democrat sounded the alarm that Republicans may lack the votes needed to wrangle through the debt ceiling deal in time.

Sen. Chris Murphy (D-CT) highlighted Speaker Kevin McCarthy's (R-CA) past difficulty at locking down the gavel earlier this year and emphasized that the process could become time-consuming as the country barrels toward the June 5 so-called "X-date."

BIDEN AND MCCARTHY'S TENTATIVE DEAL RAISES DEBT CEILING UNTIL 2025

“My worry is, there may still not be enough Republicans in the House to get this deal done,” Murphy said Sunday on MSNBC’s Inside with Jen Psaki. "There are a lot more responsible voices in the Republican Party in the Senate but it can't get to us if McCarthy can't deliver his caucus."

"I hope that Kevin McCarthy knows his caucus, but he didn't show much evidence of that when he was counting his own votes for his speakership," Murphy added, referring to the 15 votes it took McCarthy to ascend to the speakership back in January.

Already, a handful of congressional Republicans have signaled opposition to the measure, contending that the party didn't get enough of what it wanted, particularly in terms of spending rollbacks.

Murphy stressed that he will "reserve judgment" until he's read the legislation, which is expected to be released within the coming hours. A handful of moderate Democrats, such as the chairwoman of the New Democrat Coalition has signaled support for the compromise plan, which could help it clear the House even some Republicans balk.

However, moderator Jen Psaki pointed to Sen. Mike Lee's (R-UT) threat to "use every procedural tool at my disposal to impede a debt-ceiling deal that doesn’t contain substantial spending and budgetary reforms."

"You're really playing with fire. It's going to take at least 3 to 4 days to get this through the House of Representatives and then it could take as long as a week if Republicans use all of the procedural tactics at their disposal," Murphy said. "That of course would result in a default on American debt...something we would never recover from."

Treasury Secretary Janet Yellen most recently projected that the government could run out of cash to meet all its obligations as soon as June 5.

"I think there's this whole big swath of the Republican Party that actually wants us to default," Murphy said.

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The agreement is expected to lift the debt limit until 2025 in exchange for rescinding unspent COVID-19 pandemic funds, substantially curbing spending growth, more stringent work requirements for social programs, and more.

McCarthy has vowed to give his members at least 72 hours to parse through the text of the bill once it's finalized.