Semi Truck / 18-Wheeler
Insurance
Average annual premiums: $8,500–$21,000/year per truck. Get an instant estimate below.
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Coverage Requirements for Semi Truck / 18-Wheelers
Primary liability at $750K minimum is required by FMCSA for interstate operations. Most lenders require physical damage coverage. Cargo coverage of $100K–$250K is standard. OTR operators typically need $1M+ liability.
About Semi Truck / 18-Wheeler Insurance
Semi truck (18-wheeler) insurance is the most common type of commercial trucking coverage in the US. Annual premiums range from $8,500 to $21,000 per truck, with OTR long-haul operators on the higher end. Key rate factors are driver CDL experience, cargo type, operating radius, annual mileage, and claims history. Owner-operators without violations and 5+ years of CDL experience can find competitive rates in the $9,000–$12,000 range.
Key Facts
- Most common truck type on US highways
- Minimum $750,000 FMCSA liability required for interstate carriers
- Physical damage coverage required by most lenders and lessors
- OTR operators pay 20–35% more than regional operators
- Driver CDL experience is the single biggest rate factor
What Drives Semi Truck / 18-Wheeler Insurance Rates
Underwriters evaluate several factors specific to semi truck / 18-wheeler operations when pricing your policy. Understanding these helps you know where you stand and what you can negotiate.
- OTR long-haul operations (1,000+ mile runs) pay 20–35% more than regional carriers due to greater mileage exposure across more states.
- Driver CDL experience is the single largest rating factor — drivers under 2 years experience are often declined by preferred markets or charged 40–55% above base rate.
- Cargo type is heavily weighted — general dry freight is the baseline; hazmat, high-value electronics, and refrigerated goods push rates significantly higher.
New authority owner-operators face the steepest premiums in their first 24 months. If you're currently leased to a carrier, building 2 years of clean loss history before going independent can save $3,000–$5,000/year on your first independent policy.
Semi Truck / 18-Wheeler Insurance — Frequently Asked Questions
How much is insurance for a semi truck per month?
Semi truck insurance typically costs $700–$1,750 per month ($8,500–$21,000 annually). Owner-operators with clean records and 5+ years experience average $900–$1,100/month. New authority carriers pay significantly more.
What insurance do I need for an 18-wheeler?
At minimum you need Primary Auto Liability ($750K FMCSA minimum). Most carriers also carry Motor Truck Cargo, Physical Damage (collision & comprehensive), and General Liability. Lenders require physical damage if the truck is financed.
Is semi truck insurance cheaper for owner-operators or company drivers?
Owner-operators carry their own insurance policies (more expensive per truck). Company drivers are covered under the fleet policy (cheaper per driver but the company pays). Owner-operators leased to a carrier are often covered under the carrier's policy while under dispatch.
How do I get the cheapest Semi Truck / 18-Wheeler insurance?
Compare quotes from at least 3 carriers specializing in commercial truck insurance. Key savings levers: hire experienced CDL drivers (5+ years), install ELD devices and dashcams (5–15% discount), maintain clean MVR and DAC records, and bundle multiple vehicles for fleet discounts.