OTR Heavy-Duty 16.5" x 7" Balanced Outboard Mount Brake Drum delivers a reliable, service-oriented replacement solution for Class 6“8 commercial wheel-ends requiring a 16.5" diameter drum and 7" braking face. Engineered for balanced mass distribution, this outboard mount drum addresses vibration and uneven wear that degrade stopping consistency and increase maintenance frequency. Fleets operating high-mileage routes or heavy-load cycles benefit from a drum designed to maintain concentricity under repeated thermal and mechanical stress, reducing the incidence of brake pulsation and wheel-end rework. The balanced construction supports predictable heat dissipation patterns across the braking surface, which helps preserve lining life and limits the formation of localized hot spots that accelerate resurfacing needs. For operations focused on uptime and maintenance cost control, installing a properly balanced outboard drum can translate into fewer unscheduled shop visits and more consistent brake-liner replacement intervals, enabling planners to forecast parts consumption and labor with greater accuracy. The outboard mount configuration simplifies installation and inspection access on compatible axles, allowing technicians to complete measurements, machining checks, and brake adjustments with standard shop tooling. This product is offered to meet the dimensional and mounting expectations of heavy-duty repair shops and fleet maintenance programs that prioritize measurable reductions in vibration-related failures and predictable service intervals. OTRs drum is intended for professional installation and regular brake system inspection to achieve the documented operational benefits of balanced drum geometry.