Our single-piece steel straight-rail frame with 3-inch flanges and rugged dogbone cross members helps to maintain the integrity of your walk-in van structure by reducing flex and bowing, which minimizes body stress when traveling and provides optimal heavy-duty load-carrying strength.

MT-45 Diesel, Gas & Propane

• Durable 8" steel straight-rail frame with 3" flanges and rugged dogbone cross members reduces flex and bowing to minimize chassis stress while carrying up to 10,000 lb. of cargo
• 8.0" x 3.0" x 0.25"
• 50,000 PSI
• 7.35 section modulus

MT-55 Diesel

• Durable full-section steel straight-rail frame—among the largest in the industry—reduces flex and bowing to minimize chassis stress while carrying up to 19,000 lb. of cargo
• 9 1/8" x 2 13/16" x 5/16"
• 80,000 PSI
• 10.8 section modulus

MT Wheel Base