TPS & HUBOMETERS

TPS & Hubometers For Peterbilt Trucks

Tire pressure sensors (TPS) and hubometers are monitoring tools that help drivers and fleet managers track two critical wheel end metrics -- tire pressure and mileage accumulation. Proper tire inflation is one of the most important factors in tire longevity and fuel economy, and hubometers provide accurate mileage tracking on trailers for maintenance interval management. We carry tire pressure sensors and hubometers for Peterbilt truck and trailer wheel end applications.

Frequently asked questions about TPS & hubometers

How does a tire pressure monitoring system (TPMS) work on a commercial truck?

Commercial truck TPMS systems use pressure sensors mounted inside the tire at the valve stem position to continuously monitor inflation pressure. The sensors transmit pressure readings wirelessly to a cab display unit, alerting the driver when any tire falls below the minimum threshold. Some systems also monitor temperature, which helps identify bearing heat or brake drag that affects the tire environment. TPMS is a significant safety and cost-saving investment -- a commercial tire running underinflated generates excess heat that destroys the tire carcass and dramatically shortens service life.

What is a hubometer and how is it different from a standard odometer?

A hubometer is a mechanical or electronic device that mounts to a trailer hub and measures distance by counting wheel rotations, providing accurate mileage data for the trailer independently of the tractor. This is valuable for maintenance interval tracking on trailers that are pulled by multiple tractors over their service life. Unlike the tractor's odometer, a hubometer travels with the trailer and accumulates mileage regardless of which tractor is pulling it. This makes wheel seal, bearing, and brake service intervals accurate to the trailer's actual mileage rather than estimated.

What tire pressure should I run on my Peterbilt steer and drive tires?

Target inflation pressure depends on the tire size, load rating, and the load being carried. The Tire and Rim Association (TRA) load and inflation tables are the reference standard -- the correct inflation pressure is determined by the actual load on each axle position, not the tire's maximum rated pressure. Most long-haul steer tires run 110 to 120 PSI and drive tires 95 to 110 PSI under typical loading. Consult the tire manufacturer's load-inflation table for the specific tires on your truck rather than using a single target pressure for all positions.

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