Boom truck insurance
A building supplier delivering its own materials by boom truck is a private carrier whose ISO auto form excludes the materials and forklift unloading, and can exclude crane work. FMCSA's FAQ, updated May 26, 2023, says a private carrier needs a USDOT number but no MC number. 49 CFR 387.3(a) applies the $750,000 floor of 387.9 to for-hire interstate carriers of non-hazardous property at 10,001 lb GVWR and up, not to a supplier's own deliveries. Utah R909-1-4(2) requires $750,000 of an intrastate private motor carrier. ISO's CA 00 01 11 20 excludes property the insured transports, forklift unloading and, on a truck kept to carry a crane, the crane's operation.
Is hauling your own building materials insured differently from hauling for others?
A building supplier delivering only the stock it sells is a private carrier; hauling anyone else's materials for pay is for-hire carriage. 49 CFR 390.5T defines a for-hire motor carrier as "a person engaged in the transportation of goods or passengers for compensation." FMCSA's FAQ, last updated May 26, 2023, says a private motor carrier "is required to have a USDOT number but does not need operating authority (MC number)." 49 CFR 387.3(a) applies the $750,000 floor of 387.9 to for-hire interstate carriers of non-hazardous property at 10,001 lb GVWR and up, not to a supplier's own deliveries.
A boom truck that carries both kinds of load needs the split on the application. 49 U.S.C. 14706(a)(1) makes a carrier under FMCSA's jurisdiction liable "for the actual loss or injury to the property," and Utah R909-1-4 states no intrastate for-hire liability minimum for general freight, an open question as of October 12, 2026. Tell the insurer which deliveries are the supplier's own sales and which are other people's materials for pay, with the share of trips or revenue each takes.
Do you need a CDL for a boom truck, and what does its weight change in Utah?
A boom truck rated 26,001 lb or more is a Group B commercial motor vehicle, and its driver needs a CDL under 49 CFR Part 383. 49 CFR 383.5 defines a "Heavy Straight Vehicle (Group B)" as a single vehicle with a GVWR or GVW of 26,001 lb or more, 383.23(a)(1) says no person shall operate a commercial motor vehicle without passing the knowledge and skills tests for it, and 383.3(a) applies Part 383 to intrastate commerce too.
Two Utah provisions apply to the truck separately. Utah Code 72-9-102(3) defines an intrastate commercial vehicle as one "used or maintained for business, compensation, or profit" inside Utah at a GVWR, GVW, GCWR or GCW of 26,001 lb or more. Utah R909-1-4(2) says "Each intrastate private motor carrier must have a minimum amount of $750,000 liability" and prints no weight figure of its own. Put each driver's license number and class on the driver list next to the truck that driver runs.
Does commercial auto insurance cover the boom, the crane or a truck-mounted forklift when unloading?
By the words of ISO's business auto form, unloading with a boom attached to the truck is not excluded, while forklift unloading and a crane truck's crane work are. CA 00 01 11 20 exclusion II.B.8 removes injury or damage from moving property "by a mechanical device (other than a hand truck) unless the device is attached to the covered 'auto'," and definition V.K.1 names forklifts as mobile equipment, a covered auto for liability only "while being carried or towed by a covered 'auto'."
Exclusion II.B.9.b removes injury or damage from operating machinery on a vehicle that would be mobile equipment but for a motor vehicle insurance law, and definition V.K.4 lists vehicles "maintained primarily to provide mobility to permanently mounted" power cranes. The form does not say how a truck that both delivers materials and lifts them is judged, so ask the insurer in writing how it reads the truck, and keep the answer with the declarations; a carrier's policy may use its own forms instead of ISO's.
ISO's general liability form CG 00 01 12 25 takes the pieces the auto form leaves: its definition of loading or unloading "does not include the movement of property by means of a mechanical device, other than a hand truck, that is not attached" to the auto, and its auto exclusion carves out "The operation of machinery or equipment that is attached to, or part of," a vehicle of the V.K.4 kind. A contractor's crew who help unload are not insureds under the auto policy: CA 00 01 II.A.1.b(4) leaves out anyone other than the business's employees "while moving property to or from a covered 'auto'."
| At the site | Business auto, CA 00 01 11 20 | General liability, CG 00 01 12 25 |
|---|---|---|
| Driving to the site with a forklift on the truck | Covered auto for liability while carried (I.C.2) | Excluded: transporting mobile equipment by an insured's auto (h.(1)) |
| Unloading with a boom attached to a delivery truck | Not excluded by II.B.8, which spares attached devices | Excluded: auto use includes loading or unloading (g.) |
| Unloading with a forklift driven off the truck | Excluded (II.B.8) | Outside the auto exclusion: unattached devices are not loading or unloading |
| Operating the crane on a truck kept to carry it | Excluded (II.B.9.b with V.K.4) | Carved out of the auto exclusion (g.(5)(a)) |
| Handling materials after delivery | Excluded (II.B.7.b) | Outside the auto exclusion: loading or unloading ends at final delivery |
Who pays when building materials are damaged on the truck or during delivery?
The business auto policy does not pay for the building materials on the truck; the supplier's own stock needs cargo or property-in-transit coverage of its own. ISO's CA 00 01 11 20 excludes property damage "involving property owned or transported by the 'insured' or in the 'insured's' care, custody or control."
Cargo forms differ by carrier, and the form named on the declarations decides. Progressive says, in its Utah-filed cargo endorsement Z434 (02/19) as read on October 12, 2026, that its covered property includes goods owned by the insured "while loaded for shipment in or on" an insured auto, meaning "products destined for market and/or sale," and that loading or unloading is "the direct physical process of hoisting, lifting, or moving covered property." The same form excludes "marring or scratching" unless the damage results from damage to an insured auto, and excludes "Your operation as rigger, hoister, erector, installer, or dismantler." Z434 also excludes property for which no bill of lading or other shipping document "has been issued, or which is carried gratuitously or without charge," and the form does not say how that meets a supplier's own deliveries, so ask the insurer in writing.
Damage the truck itself does to a customer's driveway or a jobsite fence is an auto liability claim. CA 00 01 11 20 pays damages for property damage "caused by an 'accident' and resulting from the ownership, maintenance or use of a covered 'auto'," subject to the handling-of-property exclusion II.B.7, which starts once the materials reach the place of final delivery.
What do you send for a boom truck quote, and what happens next?
Redoubt's first reply to a building supplier is a conversation about which coverages the deliveries, the boom and any forklift need, built on the list below. Text the list; Redoubt will say what can be bound now, what needs the carrier, and what to send back.
- Whether the trucks carry only your own materials or other people's for pay, and the share of each
- Each vehicle and trailer: year, make, model, body type (flatbed, boom, dump), GVW, VIN and value, and whether a forklift rides on the truck
- USDOT number, and the MC or docket number if any, with the vehicle and driver counts SAFER shows
- How far the trucks go: a local radius or long distance
- Every driver: name, date of birth, license number and class
- The current declarations page or the dates of prior coverage; with 10 or more power units, three years of loss runs dated within the last 90 days
Sources: 32
What does boom truck insurance cost?
This page prints no premium figure: no dated primary source read on October 12, 2026 states one for boom trucks. The price is the insurer's answer to the trucks, drivers, radius and work on the list sent for a quote.
Is a registered boom truck an auto or mobile equipment?
An auto: ISO's CA 00 01 11 20 says land vehicles subject to a compulsory or financial responsibility law or other motor vehicle insurance law "are considered 'autos'." Exclusion II.B.9.b reaches the crane's operation, not the driving.
Is the boom itself covered if the truck is damaged?
ISO's CA 00 01 11 20 physical damage coverage pays for "loss" to a covered auto "or its equipment" when the policy carries comprehensive, specified causes of loss or collision, so give the truck's value with the boom mounted.
Where these answers come from
Each entry carries the exact words of the source so you can check it yourself. Forms, rules and carrier pages change; read the current version before acting.
- 1. FMCSA FAQ, What is a private motor carrier?
“A private motor carrier transports its own cargo, usually as a part of a business that produces, uses, sells and/or buys the cargo that is being hauled. A private motor carrier transports its own goods and is required to have a USDOT number but does not need operating authority (MC number).”
fmcsa.dot.gov, accessed October 12, 2026. The page prints "Last Updated: May 26, 2023". - 2. 49 CFR 390.5T, definition of for-hire motor carrier, eCFR
“For-hire motor carrier means a person engaged in the transportation of goods or passengers for compensation.”
ecfr.gov, accessed October 12, 2026. The T section is the text eCFR prints in force; the unsuffixed 390.5 is marked suspended (again on July 21, 2026). - 3. 49 CFR 387.3(a), applicability of Subpart A, eCFR
“This subpart applies to for-hire motor carriers operating motor vehicles transporting property in interstate or foreign commerce.”
ecfr.gov, accessed October 12, 2026. Paragraph (b) adds carriers of hazardous materials, substances and wastes in interstate, foreign or intrastate commerce. No suspension note on 387.3. - 4. 49 CFR 387.9, schedule of limits, row 1, eCFR
“For-hire (In interstate or foreign commerce, with a gross vehicle weight rating of 10,001 or more pounds) Property (nonhazardous) $750,000”
ecfr.gov, accessed October 12, 2026. Same pull. Rows 2 to 4 cover hazardous materials and oil at $1,000,000 and $5,000,000. - 5. 49 U.S.C. 14706(a)(1), carrier liability for actual loss, 2023 edition, govinfo
“The liability imposed under this paragraph is for the actual loss or injury to the property caused by (A) the receiving carrier, (B) the delivering carrier, or (C) another carrier over whose line or route the property is transported”
govinfo.gov, accessed October 12, 2026. It applies to carriers under FMCSA's jurisdiction, not to private carriage. - 6. Utah Code 72-9-102(3), definition of intrastate commercial vehicle
“"Intrastate commercial vehicle" means a motor vehicle, vehicle, trailer, or semitrailer used or maintained for business, compensation, or profit to transport passengers or property on a highway only within the boundaries of this state if the commercial vehicle: (a) (i) has a manufacturer's gross vehicle weight rating or gross vehicle weight, or gross combination weight rating or gross combination weight of 26,001 or more pounds, whichever is greater”
le.utah.gov, accessed October 12, 2026. The clause continues "and is operated by an individual who is 18 years old or older"; the definition adds a 16,001 lb line for a driver under 18, passenger thresholds and placarded hazardous materials. - 7. Utah Admin. Code R909-1-4(2), intrastate private motor carrier minimum
“Each intrastate private motor carrier must have a minimum amount of $750,000 liability.”
adminrules.utah.gov, accessed October 12, 2026. The rule names private carriers and hazmat carriers only; it states no figure for intrastate for-hire carriers of general freight, which is open as of 2026-10-12. - 8. 49 CFR 383.5, definition of commercial motor vehicle, Group B, eCFR
“Heavy Straight Vehicle (Group B)—having a gross vehicle weight rating or gross vehicle weight of 11,794 or more kilograms (26,001 pounds or more), whichever is greater”
ecfr.gov, accessed October 12, 2026. Group A is a combination of 26,001 lb or more towing a unit over 10,000 lb. No suspension note on 383.5. - 9. 49 CFR 383.23(a)(1), commercial driver's license required, eCFR
“No person shall operate a CMV unless such person has taken and passed knowledge and driving skills tests for a CLP or CDL that meet the Federal standards contained in subparts F, G, and H of this part for the CMV that person operates or expects to operate.”
ecfr.gov, accessed October 12, 2026. Same pull method. Part 383 lists exceptions (farmers, firefighters, military and others) in 383.3(c) and (d). - 10. 49 CFR 383.3(a), applicability of Part 383, eCFR
“The rules in this part apply to every person who operates a commercial motor vehicle (CMV) in interstate, foreign, or intrastate commerce, to all employers of such persons, and to all States.”
ecfr.gov, accessed October 12, 2026 - 11. ISO CA 00 01 11 20, Business Auto Coverage Form, Section II B.9, Operations exclusion
“"Bodily injury" or "property damage" arising out of the operation of: a. Any equipment listed in Paragraphs 6.b. and 6.c. of the definition of "mobile equipment"; or b. Machinery or equipment that is on, attached to or part of a land vehicle that would qualify under the definition of "mobile equipment" if it were not subject to a compulsory or financial responsibility law or other motor vehicle insurance law where it is licensed or principally garaged.”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 4 of 13. Paragraph 6.b is cherry pickers used to raise or lower workers and 6.c compressors, pumps and generators; a materials crane is reached through b. A carrier's policy may carry a later edition or its own form. - 12. ISO CA 00 01 11 20, Section V, definition K.4 of "mobile equipment"
“Vehicles, whether self-propelled or not, maintained primarily to provide mobility to permanently mounted: a. Power cranes, shovels, loaders, diggers or drills; or”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 12 of 13. The form does not say how "maintained primarily" is judged for a truck that both delivers and lifts. A carrier's policy may carry a later edition or its own form. - 13. ISO CA 00 01 11 20, Section V, definition K.1 of "mobile equipment"
“"Mobile equipment" means any of the following types of land vehicles, including any attached machinery or equipment: 1. Bulldozers, farm machinery, forklifts and other vehicles designed for use principally off public roads;”
assets.touchpointmarkets.com, accessed October 12, 2026. The closing paragraph of K: land vehicles subject to a compulsory or financial responsibility law or other motor vehicle insurance law "are considered 'autos'". A carrier's policy may carry a later edition or its own form. - 14. ISO CA 00 01 11 20, Section V, closing paragraph of definition K
“However, "mobile equipment" does not include land vehicles that are subject to a compulsory or financial responsibility law or other motor vehicle insurance law where it is licensed or principally garaged. Land vehicles subject to a compulsory or financial responsibility law or other motor vehicle insurance law are considered "autos".”
assets.touchpointmarkets.com, accessed October 12, 2026. A carrier's policy may carry a later edition or its own form. - 15. ISO CA 00 01 11 20, Section I C, other covered autos for liability
“the following types of vehicles are also covered "autos" for Covered Autos Liability Coverage: 1. "Trailers" with a registered Gross Vehicle Weight Rating of 3,000 pounds or less designed primarily for travel on public roads. 2. "Mobile equipment" while being carried or towed by a covered "auto".”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 2 of 13. A carrier's policy may carry a later edition or its own form. - 16. ISO CA 00 01 11 20, Section II B.8, Movement Of Property By Mechanical Device
“"Bodily injury" or "property damage" resulting from the movement of property by a mechanical device (other than a hand truck) unless the device is attached to the covered "auto".”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 4 of 13. A carrier's policy may carry a later edition or its own form. - 17. ISO CA 00 01 11 20, Section II B.7, Handling Of Property
“"Bodily injury" or "property damage" resulting from the handling of property: a. Before it is moved from the place where it is accepted by the "insured" for movement into or onto the covered "auto"; or b. After it is moved from the covered "auto" to the place where it is finally delivered by the "insured".”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 4 of 13; the exclusion runs down one column, which plain text extraction interleaves with the other. A carrier's policy may carry a later edition or its own form. - 18. ISO CA 00 01 11 20, Section II A.1.b(4), Who Is An Insured
“Anyone other than your "employees", partners (if you are a partnership), members (if you are a limited liability company) or a lessee or borrower or any of their "employees", while moving property to or from a covered "auto".”
assets.touchpointmarkets.com, accessed October 12, 2026. An exception to b., "Anyone else while using with your permission a covered 'auto' you own, hire or borrow". Printed page 3 of 13. A carrier's policy may carry a later edition or its own form. - 19. ISO CA 00 01 11 20, Section II B.6, Care, Custody Or Control exclusion
“"Property damage" to or "covered pollution cost or expense" involving property owned or transported by the "insured" or in the "insured's" care, custody or control. But this exclusion does not apply to liability assumed under a sidetrack agreement.”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 4 of 13. A carrier's policy may carry a later edition or its own form. - 20. ISO CA 00 01 11 20, Section II A, Covered Autos Liability insuring agreement
“We will pay all sums an "insured" legally must pay as damages because of "bodily injury" or "property damage" to which this insurance applies, caused by an "accident" and resulting from the ownership, maintenance or use of a covered "auto".”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 2 of 13. A carrier's policy may carry a later edition or its own form. - 21. ISO CA 00 01 11 20, Section III A.1, Physical Damage Coverage
“We will pay for "loss" to a covered "auto" or its equipment under: a. Comprehensive Coverage From any cause except:”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 6 of 13. b. and c. are Specified Causes Of Loss and Collision; each applies only if the declarations show it. A carrier's policy may carry a later edition or its own form. - 22. ISO CG 00 01 12 25, Commercial General Liability Coverage Form, exclusion g, Aircraft, Auto Or Watercraft
“"Bodily injury" or "property damage" arising out of the ownership, maintenance, use or entrustment to others of any aircraft, "auto" or watercraft owned or operated by or rented or loaned to any insured. Use includes operation and "loading or unloading".”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 4 of 19. A carrier's policy may carry another edition or its own form. - 23. ISO CG 00 01 12 25, exclusion g, exception (5)(a)
“The operation of machinery or equipment that is attached to, or part of, a land vehicle that would qualify under the definition of "mobile equipment" if it were not subject to a compulsory or financial responsibility law or other motor vehicle insurance law where it is licensed or principally garaged; or”
assets.touchpointmarkets.com, accessed October 12, 2026. Listed under "This exclusion does not apply to" in exclusion g. CG 00 01 definition 14.d matches CA 00 01 K.4 (power cranes). A carrier's policy may carry another edition or its own form. - 24. ISO CG 00 01 12 25, Section V, definition 13 of "loading or unloading"
“but "loading or unloading" does not include the movement of property by means of a mechanical device, other than a hand truck, that is not attached to the aircraft, watercraft or "auto".”
assets.touchpointmarkets.com, accessed October 12, 2026. The definition opens: loading or unloading "means the handling of property" after it is accepted for movement, while it is in or on the auto, and while it is moved "to the place where it is finally delivered". Printed page 17 of 19. A carrier's policy may carry another edition or its own form. - 25. ISO CG 00 01 12 25, exclusion h, Mobile Equipment
“"Bodily injury" or "property damage" arising out of: (1) The transportation of "mobile equipment" by an "auto" owned or operated by or rented or loaned to any insured; or”
assets.touchpointmarkets.com, accessed October 12, 2026. Printed page 4 of 19. A carrier's policy may carry another edition or its own form. - 26. Progressive Form Z434 (02/19), Utah-filed cargo endorsement, own goods as covered property
“Covered property includes goods and merchandise owned by you while loaded for shipment in or on”
serff-sfa.naic.org, accessed October 12, 2026. Additional Definitions 3, foot of page 3; the sentence continues on page 4: "an insured auto, whether or not shipped under a bill of lading or shipping receipt." Progressive (United Financial Casualty Co) Form Z434 (02/19), Motor Truck Cargo Legal Liability Coverage Endorsement, Utah SERFF filing PRGS-132168602, submitted 12/5/19, disposition FILED FOR USE 12/6/19. Primary only for what Progressive's form says; other carriers word cargo forms differently. - 27. Progressive Form Z434 (02/19), Utah-filed cargo endorsement, excluded peril k., Installation Operations
“Installation Operations Your operation as rigger, hoister, erector, installer, or dismantler.”
serff-sfa.naic.org, accessed October 12, 2026. Excluded Perils k., page 3; the heading and its one line. Progressive (United Financial Casualty Co) Form Z434 (02/19), Motor Truck Cargo Legal Liability Coverage Endorsement, Utah SERFF filing PRGS-132168602, submitted 12/5/19, disposition FILED FOR USE 12/6/19. Primary only for what Progressive's form says; other carriers word cargo forms differently. - 28. Progressive Form Z434 (02/19), Utah-filed cargo endorsement, excluded property e., Property Not Under Bill of Lading
“Any property for which no bill of lading, tariff document, rate confirmation sheet, shipping receipt, or contract of carriage has been issued, or which is carried gratuitously or without charge.”
serff-sfa.naic.org, accessed October 12, 2026. Excluded Properties e., page 4. The covered-property definition adds the insured's own goods "whether or not shipped under a bill of lading or shipping receipt"; the form does not say whether a free delivery of them is carried "without charge". Progressive (United Financial Casualty Co) Form Z434 (02/19), Motor Truck Cargo Legal Liability Coverage Endorsement, Utah SERFF filing PRGS-132168602, submitted 12/5/19, disposition FILED FOR USE 12/6/19. Primary only for what Progressive's form says; other carriers word cargo forms differently. - 29. Progressive Form Z434 (02/19), Utah-filed cargo endorsement, definition of covered property
“When used in this endorsement, goods and merchandise means products destined for market and/or sale. Covered property does not include any equipment you own that is being transported between work sites.”
serff-sfa.naic.org, accessed October 12, 2026. Additional Definitions 3, page 4. The definition opens "Covered property" means lawful goods and merchandise of others and adds goods and merchandise owned by the insured while loaded for shipment on an insured auto. Progressive (United Financial Casualty Co) Form Z434 (02/19), Motor Truck Cargo Legal Liability Coverage Endorsement, Utah SERFF filing PRGS-132168602, submitted 12/5/19, disposition FILED FOR USE 12/6/19. Primary only for what Progressive's form says; other carriers word cargo forms differently. - 30. Progressive Form Z434 (02/19), Utah-filed cargo endorsement, definition of loading or unloading
““Loading or unloading” means the direct physical process of hoisting, lifting, or moving covered property:”
serff-sfa.naic.org, accessed October 12, 2026. Additional Definitions 7, page 5; it continues "a. onto an insured auto from the ground or loading docks adjacent to such insured auto; or b. off of an insured auto to the place where it is finally delivered." Progressive (United Financial Casualty Co) Form Z434 (02/19), Motor Truck Cargo Legal Liability Coverage Endorsement, Utah SERFF filing PRGS-132168602, submitted 12/5/19, disposition FILED FOR USE 12/6/19. Primary only for what Progressive's form says; other carriers word cargo forms differently. - 31. Progressive Form Z434 (02/19), Utah-filed cargo endorsement, excluded peril m.
“We will not pay for corrosion, contamination, marring or scratching to any covered property or business equipment unless it results from damage to an insured auto.”
serff-sfa.naic.org, accessed October 12, 2026. Excluded Perils m., page 3. Progressive (United Financial Casualty Co) Form Z434 (02/19), Motor Truck Cargo Legal Liability Coverage Endorsement, Utah SERFF filing PRGS-132168602, submitted 12/5/19, disposition FILED FOR USE 12/6/19. Primary only for what Progressive's form says; other carriers word cargo forms differently. - 32. Redoubt, commercial auto insurance guide, what to send
“Text Redoubt the broker packet, the lender's insurance letter, the platform's upload screen or the renewal itself, with the vehicles and the date you need it by. We will say what can be bound now, what needs the carrier, and what to send back.”
www.redoubt.insure, accessed October 12, 2026
The business carries goods, its own or a customer's, and the auto policy does not pay for them
Own-product delivery, furniture and household goods, high-value loads, loading and unloading, and vehicles carried as cargo: where the auto form stops and what cargo and property forms do.
Elsewhere on the site
Building materials delivered by boom truck
Text Redoubt whether the trucks carry your own materials or others' for pay, each vehicle and trailer's year, make, model, body type and value, every driver's name, date of birth and license number and class, your USDOT and MC or docket numbers if any, how far the trucks go, what the business does and the date cover has to start, and we will talk through which coverages the deliveries need.
This is general insurance information, not legal advice or a coverage determination. The policy forms, the endorsements the carrier issues, and the requirement in writing from whoever is asking control.