AGV Wheel Selection Guide: Choosing the Right (2026)

CasterHQ has supplied casters and wheels to warehouses, manufacturers, and automation integrators since 2015 and stocks over 25,000 SKUs. We work directly with AGV builders and end users who need wheels that survive punishing 24/7 environments without chewing up floors or throwing off navigation accuracy.

What Makes AGV Caster Requirements Different #

AGV casters operate under fundamentally different stress profiles than manually pushed equipment. The most critical difference is continuous duty: an AGV running two or three shifts generates more wheel revolutions in a month than a manual cart sees in a year. That sustained heat and friction eliminates most general-purpose caster options immediately.

Dynamic loads present the second major challenge. When an AGV accelerates, brakes, or turns, the forces acting on each caster spike well above the static payload. A vehicle carrying 2,000 lbs of static load can generate 3,000+ lbs of instantaneous force on a single caster during an emergency stop. ANSI/ITSDF B56.5, the safety standard governing AGVs, requires that designers account for these dynamic forces in their load calculations.

Precision tracking is the third factor. AGVs follow programmed paths using magnetic tape, laser guidance, or vision systems. A caster that introduces excessive play, vibration, or inconsistent rolling resistance will degrade path accuracy, causing the vehicle to drift or fault out. Swivel sections must be tight, bearings must be consistent, and wheel diameter must remain stable over thousands of operating hours.

Key Specifications to Evaluate #

Load Capacity and Dynamic vs Static Ratings

Dynamic load ratings matter more than static ratings for every AGV application. We recommend using a 2:1 safety factor over the maximum expected dynamic load per caster. To calculate per-caster load, divide the gross vehicle weight (payload plus vehicle weight) by the number of load-bearing casters, then multiply by a dynamic factor of 1.5 for standard travel speeds or 2.0 for applications with frequent stops and starts. Use our caster load calculator to run these numbers quickly.

Wheel Material for Continuous Duty Cycles

Wheel material determines heat resistance, wear rate, and rolling effort. Polyurethane remains our top recommendation for most AGV applications because it balances load capacity with floor protection and resists flat-spotting under sustained load. Nylon handles heavier loads but sacrifices floor protection. We cover the full comparison in the table below.

Floor Surface Compatibility

Sealed concrete, epoxy-coated floors, and VCT tiles each respond differently to wheel hardness and tread material. Harder wheels (nylon, phenolic) can crack epoxy coatings and chip tiles. Softer polyurethane treads (85A-95A durometer) protect finished floors but wear faster under extreme loads. We always ask customers about their floor type before recommending a wheel — it is that important to getting the application right.

Noise and Vibration Tolerances

Noise limits are tightening, especially in warehouse and manufacturing environments where AGVs operate alongside workers. Polyurethane and rubber wheels run quieter than nylon or phenolic. Vibration also affects onboard sensors and payload stability. For AGVs carrying sensitive electronics or liquids, we recommend polyurethane treads on precision-machined hubs with sealed bearings to minimize harmonic vibration.

Swivel vs Rigid vs Drive Wheel Configurations #

Most AGVs use a combination of three wheel types, and getting the configuration wrong causes tracking errors and premature wear.

Drive wheels are powered directly by the vehicle's motors. They require maximum traction and consistent contact with the floor. Polyurethane or rubber treads bonded to aluminum or steel hubs are standard. Drive wheels are not casters — they mount on fixed axles controlled by the AGV's drive system.

Rigid casters (fixed, non-swiveling) provide directional stability. They are typically placed along the vehicle's centerline or at the rear. Rigid casters must track perfectly straight; any misalignment compounds over distance and forces the drive system to constantly correct.

Swivel casters allow the vehicle to change direction and are usually mounted at corners. For AGV applications, we recommend heavy-duty swivel sections with dual-race bearings and hardened kingpins. Cheap swivel casters develop play within weeks of continuous AGV use, leading to path deviation. Browse our full AGV-rated 24/7 caster collection for options built to handle these demands, or explore our broader industrial casters and plate casters for related mounting configurations.

AGV Wheel Material Comparison #

Common AGV Wheel Selection Mistakes #

• Using static load ratings instead of dynamic ratings. Static ratings assume the load sits still. AGVs accelerate, brake, and turn — forces that can exceed static ratings by 50% or more. Always size to dynamic specs.
• Choosing the cheapest swivel caster. Budget swivel sections develop kingpin play within weeks on an AGV, causing navigation drift and increased motor draw. The upfront savings evaporate in downtime and recalibration costs.
• Ignoring floor surface in material selection. Nylon wheels on epoxy floors will destroy the coating. We have seen customers spend more on floor repairs than they saved by avoiding polyurethane treads.
• Overlooking flat-spotting risk. AGVs that park under load for extended periods need wheels rated for static loading without deformation. Softer rubber compounds flat-spot quickly; polyurethane and nylon resist it far better.
• Failing to plan for replacement cycles. AGV wheels are consumables. Not budgeting for scheduled replacement leads to unplanned downtime when wheels wear past tolerance. We recommend inspecting wheels every 2,000 operating hours.

Key Takeaways #

Frequently Asked Questions #