The Reyco Granning model 79KB was designed as a single steel spring drive axle spring suspension that combines high weight capacity with excellent ride characteristics. Ride quality is enhanced by the extra-long spring length while rugged cast components can carry load ratings up to 31,000 lb With a wide range of options, the 79KB is one of the most customizable suspensions available for Class 5 through Class 8 trucks and tractors. It’s an ideal choice for everything from city delivery to extreme-duty fire and rescue.



  • Highway tractors
  • Straight trucks
  • Fire trucks

Standard Features

  • Cast spring hanger brackets
  • Torque leaf with eccentric alignment
  • Multi-leaf and parabolic taper leaf springs


  • 21,000 lb (9.5 t), 23,000 lb (10.4 t) or 28,000 lb (12.7 t) load capacity
  • Fits inside 60” (1524 mm) frame length
  • 8” (203 mm) to 12” (305 mm) ride heights (8″ (203 mm) ride height for low profile applications with 21,000 lb. (5.4 t) springs)
  • Single axle application