FAQ

MPT bead flange height is 25.5 mm

LT bead is 17.3 mm

Some tires will accept the taller flange but some may not

With no modifications 275/65r20 is recommended

• 37x11.5 or 275/80r20 with no lift required, a slight fender trim and a possible narrow sway bar if preferred - Options below

With 37" tires mounted they may touch the sway bar, Tru-Dually provides options to use a narrower sway bar such as

• Factory F350 sway bar (cost about $150on eBay used)
• Helwig 7712 (cost approximately $350)
• Carli torsion sway bar (cost approximately $900)

NO, you do not require a lift kit, our company truck has

• No lift kit
• Tru-Dually wheels 8.25x20 10x225
• Continental 275/80r20 MPT tires
• F350 sway bay
• Slight fender trim
• Front hub caps are trimmed 10mm to not hit the locking hubs

Dually trucks were designed for maximum payload and stability, keeping the truck as close to factory is best. Our Tru-Dually wheels are rated for 5060lbs per wheel or over 30,000lbs combined. Ensuring proper load distribution over the rear axle.

Dually truck modifications with 37" tires

• Tires and wheels
• Slight front fender trim (with no lift )
• Narrower sway bar is optional
• Total labor time 2 hours
• Cost approximately $2,000 plus tires

Super singles with 41"tires

• Tires wheels
• Lift kit
• Fenders
• Gears
• Brakes
• Frame modifications to core support and cab
• Total labor time can be months
• Unable to trade in to modified for most dealers
• Hard for re-sell or recoup money
• Cost approximately $20,000 to $50,000