OTR Group Size 31S Gold Anchor Bonded Heavy Duty Truck Battery, 950 CCA, 3/8" Stud delivers dependable starting power and sustained electrical capacity for commercial truck fleets. Engineered with anchor-bonded plates and punched calcium/lead alloy grids, this flooded leadacid battery is built to provide consistent cranking performance and long service intervals under heavy duty duty cycles. Rated at 950 cold cranking amps and a 195-minute reserve capacity, it supplies the high initial current required for reliable engine starts and maintains electrical reserve for accessories and auxiliary systems during extended idling or electrical loads. Designed for fleet operations where uptime and predictable maintenance planning matter, this battery reduces one-off start failures and limits roadside service events by providing measurable starting performance across a wide range of ambient conditions. The anchor-bonded construction helps retain plate alignment and minimize internal movement, which contributes to extended service life in vehicles that experience vibration and frequent start/stop cycles. Top-mounted 3/8" stud terminals simplify installation and ensure secure electrical connections in heavy cab and chassis applications. Specification-driven features such as maintenancefree flooded chemistry and reinforced plate structures result in repeatable reserve capacity and a durable power profile that supports electrical systems without surprise drops in output. For fleet managers, the practical benefits are reduced unscheduled downtime, fewer battery-related starter incidents, and more predictable replacement intervals, enabling better maintenance scheduling and lower operational disruption. This battery is well suited for trucks, buses, vocational equipment, and other commercial vehicles that require Group 31S physical form factor, high cranking amps, and robust terminal hardware.
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