** Shares of truck maker PACCAR PCAR.O down 1.4% at $120.30
** PCAR reports fall in Q4 revenue and profit, as sluggish U.S. freight market and higher production costs eroded margins
** Reports Q4 net income of $556.9 million, or $1.06 per share, compared with $872 million, or $1.66 per share, a year earlier
** Posts Q4 revenue of $6.82 billion, compared with $7.91 billion a year ago
** PCAR gained 6.6% in 2025
(Reporting by Megavarshini G. Somasundaram in Bengaluru)
((Megavarshini.SomasundaramGnanasundari@thomsonreuters.com))