This YouTube video (by Hunter Nelson) explains how underwriters influence truck insurance pricing for fleet companies. It emphasizes that underwriters review fleet safety programs, maintenance practices, and sometimes financials when quoting coverage, and notes that truck insurers have faced over 100% loss ratios (losing money) for roughly the last 11–13 years.
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With fleet companies are going to be typically a lot more competitive on that stuff because you're going to have underwriters who are definitely looking at the stuff. Not a lot of it's system generated spitting out of price. You got underwriters so you're going to want to know so these underwriters are going to be looking at this and you're going to want to tell your age and everything that you're doing with hey here's my safety programs, here's my maintenance program. Some of them want financials which I know a lot of you guys like that's none of their freaking business but you know they're, they're knowing that hey if I, if I go write this account or if I go you know provide this guy a quote on insurance. Believe it or not insurance companies are not making bank off of truck insurance. They for the last 11 or 13 years camera what it is, they've been over 100 loss ratio or they've been losing money every year.