Weber Ford • Granite City • Greater St. Louis
An F-350 single-rear-wheel pickup has one road tire at each end of the rear axle; a dually has two. The right choice depends on the actual load ratings you need and the width, tires and everyday use you can accommodate. Compare real configurations with Weber Ford in the St. Louis area.
SRW means single rear wheel. DRW means dual rear wheel and is commonly called a dually. Both layouts require the same basic question: does this particular truck meet the fully loaded requirement?
A conventional SRW pickup has four primary road tires, excluding the spare. Its narrower rear-body arrangement can be useful around driveways, parking bays and everyday errands. It belongs on the shortlist when the selected truck’s ratings satisfy the job.
A conventional dually pickup has six primary road tires, excluding the spare, with wider rear fenders. A suitable DRW configuration can provide the capacity needed for heavier towing or hauling. Its additional width and tire requirements become part of routine ownership.
List the people, tools, bed cargo and equipment that normally travel in the truck. Add the load transferred from the trailer to the hitch. For a fifth wheel, this includes pin load; for a conventional trailer, it includes tongue load.
Compare that requirement with each truck’s actual occupant-and-cargo allowance, axle limits and applicable towing information. A dually badge does not settle the calculation, and a convenient SRW configuration is not suitable if its ratings are insufficient.
Use Ford’s model-year towing resources with the VIN and build details. Engine, cab, bed, drivetrain, axle and installed equipment can change the answer. Keep newer ratings separate from those for an older used F-350.
Illustrative comparison: suppose a truck’s label allows 3,800 pounds for occupants and cargo. People total 650 pounds, cargo 350, added hitch equipment 300 and trailer pin load 2,300. Together they use 3,600 pounds, leaving 200 pounds within that allowance.
This example does not establish a rating for an SRW or DRW F-350. It shows why trailer weight alone is incomplete. The actual truck must also remain within its axle, combined-weight and other applicable limits, while the trailer and hitch have their own ratings.
Obtain dependable loaded trailer and pin-weight information. A camper’s dry weight can leave out cargo carried during travel. Our F-250 versus F-350 fifth-wheel guide develops the loading questions further.
A dually’s rear fenders add a clearance consideration that is easy to miss when looking at the cab. Measure the actual truck, including the mirrors in the positions you use. Compare published dimensions only when both use the same definition.
Check the usable garage or gate opening, the approach and the room to open the doors. Overall length and wheelbase also matter when turning into a narrow driveway or maneuvering at a work site. Rear-wheel layout is only one part of the parking question.
If most driving takes place without a trailer, include that routine in the test drive. Compare visibility, turning and parking in suitable conditions, then separately assess the complete truck-and-trailer clearance requirements.
An F-350 dually has inner and outer rear tires to inspect and maintain. Check their condition, specified inflation guidance and the correct tire and wheel configuration. Looking only at the outside tires leaves part of the rear axle unchecked.
For a used truck, ask about tire age, uneven wear, repairs and mismatched equipment. Have a qualified service professional evaluate concerns and discuss maintenance for the actual vehicle. A higher-rated replacement tire does not independently raise another vehicle rating.
SRW has fewer primary road tires, but total ownership cost also depends on the truck’s condition, use and equipment. Ask the Weber Ford Service Center about specific work rather than assuming either layout always costs less to maintain.
For a pickup, review bed length, hitch installation, tailgate access and space occupied by toolboxes or other equipment. Check trailer clearance during the intended movement, following the hitch and trailer instructions.
For a chassis cab or completed work truck, record the body type, installed equipment and finished vehicle weight. A service body or flatbed should not inherit the ratings or dimensions of a different factory pickup configuration.
The Commercial Ford Center and used work-truck guide can help organize those questions. Be clear about whether you need a pickup or a completed commercial vehicle.
A used tow vehicle needs a current equipment review. Ask for available build information and service records, then compare them with the hitch, suspension, wheels and tires now installed. Added accessories can change remaining load allowance.
Air springs, suspension helpers or other aftermarket equipment should not be treated as automatically increasing an assigned rating. Review unclear modifications before purchase, especially when a truck will tow or carry substantial loads.
Use the used-truck tow-package guide to prepare the questions. A seller’s phrase “ready to tow” does not identify every component or establish suitability for your trailer.
Start with new F-350 inventory or used F-350 listings. Confirm SRW or DRW on the specific trucks you want to compare.
Compare the narrower rear arrangement, available cab-and-bed configuration and everyday driving with your regular load requirements.
Review actual DRW candidates when their capacity is relevant to the trailer or work load, then check parking access and tire-maintenance needs.
Compare other Super Duty trucks or F-450 configurations with the same load information. A different model still needs its own rating and fit review.
It means single rear wheel: one road tire on each side of the rear axle. DRW has two on each side and is usually called a dually.
No single answer fits every fifth wheel. Compare the loaded trailer and pin load with the actual truck, axle and hitch limits, then check physical clearance.
Do not assume that across different years, engines, cabs and equipment. Use the selected vehicles’ labels and finished configurations for a meaningful comparison.
They should not be treated as a rating increase. Review the existing limits and the effects of any modification with the appropriate qualified professionals.
Its wider rear-fender arrangement adds a clearance requirement. Measure the actual truck, mirrors, opening and approach; cab and bed length also matter.
A conventional dually pickup has six primary road tires: two front and four rear, excluding the spare. Include the inner rear tires in inspection and maintenance.
Send the Granite City team your load details, parking measurements and stock numbers. Confirm the rear-wheel configuration, vehicle availability and documentation for a focused comparison.
Weber Ford is at 3465 Progress Parkway, Granite City, IL 62040. Call 618-452-5400 or contact the team with your trailer information, expected cargo and preferred cab. Confirm the specific vehicles available before visiting from the St. Louis area.
