30 Must‑Read Case Studies for Reliability Engineers

Across industries, the same principles of proactive, predictive and preventive maintenance drive operational excellence. These 30 real‑world examples showcase how leading companies have transformed their maintenance programs, reduced downtime, boosted productivity, and achieved remarkable cost savings.

Harley‑Davidson: Predictable Performance

The engine plant, producing components for three powertrain variants, exemplifies a mature progressive maintenance strategy. By combining proactive inspections with predictive analytics, the facility maintains high reliability while supporting a diverse product line.

Frito‑Lay: Asset Care Revitalized

Decades of adequate plant maintenance evolved into a focused asset‑care initiative that tightened preventive schedules and lubrication protocols. The result: unlocked capacity, heightened productivity, and a culture of continuous improvement in a cost‑sensitive sector.

Simmons Feed: 50% Downtime Reduction

Through advanced predictive tools, FMEA, and root‑cause analysis, Simmons Feed cut downtime by 50–60%. Nearly 80% of work now follows a planned schedule, ensuring equipment stays ahead of failure.

We Energies: CBM Leadership

We Energies leads the utility sector in condition‑based maintenance, leveraging vibration analysis, infrared thermography, oil analysis, and ultrasonic testing to anticipate and prevent equipment issues.

BMW: Near‑Perfect Uptime

BMW’s mission‑critical areas achieve almost 100% uptime. With a maintenance horizon extending seven years, reactive work accounts for less than 5% of the total workload.

MillerCoors: Planning as a Growth Engine

Strategic planning upgrades at MillerCoors boosted preventive maintenance completion, increased equipment availability, and lowered costs, illustrating the business case for disciplined scheduling.

Alcoa: OEE‑Driven Reliability

Alcoa’s reliability focus elevated availability, productivity, and uptime, translating into $2.4 million in OEE gains within a single year.

Century Aluminum: From Reactive to Proactive

Century Aluminum’s transition from reactive repairs to data‑driven, predictive maintenance demonstrates the transformative impact of systematic planning, root‑cause analysis, and performance metrics.

Raytheon: Continuous Improvement

Raytheon Missile Systems applies preventive, predictive, and lean manufacturing techniques, steadily advancing reliability across its portfolio.

Alcoa Point Comfort: Lubrication Excellence

Implementing a lubrication excellence program saved Alcoa $800,000 annually on lubricants, bearings, and rotating equipment.

Toyota: 50% Maintenance Reduction Target

Toyota aims to halve maintenance activities across all machines, a goal that underscores its commitment to efficiency and uptime.

Eli Lilly: Prioritization for Productivity

By aligning maintenance with productivity objectives, Eli Lilly ensures life‑sustaining medicines reach patients without delay.

Energizer: Lean Reliability

Energizer re‑tools its workforce, shifting from reactive firefighting to proactive, predictive work—boosting efficiency and safety.

U.S. Steel: Workforce Development

Facing retirements, U.S. Steel Fairfield invests in selecting, training, and retaining skilled maintenance talent to sustain reliability.

Clopay Plastics: World‑Class Systems

Clopay’s blend of predictive, preventive, precision maintenance, and lean manufacturing reduces breakdowns and keeps the plant cost‑competitive.

Karl Schmidt Unisia: Total Productive Maintenance

The piston plant uses a team‑based TPM approach, combining lean principles and equipment effectiveness to drive reliability.

Valero Energy: Lubrication Transformation

Valero’s lubrication overhaul yields $140,000 yearly savings, near‑98% availability, and fewer environmental hazards in a refining environment.

Honda: Diagnostic Excellence

Honda’s Lincoln, Ala., team applies physician‑like diagnosis and surgeon‑like precision, eliminating disarray and fostering a culture of reliability.

Louisville Slugger: Deming‑Inspired Reliability

With 25 years of experience and Deming’s teachings, Louisville Slugger’s bat factory maintains exceptional plant reliability.

INVISTA: Structured Lubrication Program

INVISTA’s award‑winning lubrication strategy—“right oil, right equipment, keep it clean”—uses oil analysis on 210 machines and spot checks for new oils.

Alcoa Power Plant: Reliability Pays Off

Planning, scheduling, root‑cause analysis, and predictive maintenance combine to elevate reliability, earning the plant a strong reputation and positive publicity.

Batesville Casket: Lean Success

Critical production areas achieve 99% uptime; less critical zones reach 96%, illustrating how focused maintenance drives lean outcomes.

PCA Mill: Lubrication Superheroes

Targeted lubrication training and contamination control reduced oil usage by 28% and unscheduled downtime by 62% and 37% on two paper machines.

Boeing: Innovative Maintenance

Boeing’s Seattle maintenance team standardizes best practices, applies lean, and fosters creativity to focus on high‑value work.

TPM at Tecate Brewery

TECATE’s TPM program emphasizes reliability, productivity, safety, and environmental stewardship, delivering measurable gains across the plant.

Energizer: Clean Routine

Covering 98% of equipment with lubrication improvements and 22% with oil analysis, Energizer cuts lubricant use, saves money, and boosts uptime.

Navistar: Blended Best Practices

Navistar’s unconventional maintenance philosophy centers on empowered teams and blended best practices to maximize product value.

Holcim Inc.: Cement Industry Reliability

Holcim tackles particulate buildup with progressive thinking, moving beyond traditional asset‑heavy approaches to achieve sustainable competitiveness.

Texas Instruments: Lubrication Success

TI’s massive equipment portfolio demands rigorous reliability; implementing best practices delivers measurable uptime gains and cost reductions.

Toyota Lift Truck Plant: PM Gains

Critical equipment uptime exceeds 97%; over three years, maintenance logged a 27.8% reduction in repair costs, with a lean firefighting team.