Automatic Tire Inflation System Market Size, CAGR & Forecast, 2025-2035

Automatic tire inflation is moving from trailer option to whole-vehicle spec, lifting the market toward USD 2.16 Billion by 2035

Radial Insights values the global automatic tire inflation system market at USD 1.12 Billion in 2025, rising to USD 1.20 Billion in 2026 and USD 2.16 Billion by 2035, a CAGR of 6.80%. Fleets are buying these systems because a tire that holds pressure lasts longer, burns less fuel and fails less often on the road.

The study covers systems that add air to tires automatically while a vehicle is in service: constant-pressure trailer systems fed from the vehicle air supply, central tire inflation systems (CTIS) that can both inflate and deflate from the cab, and self-powered wheel-end inflators that pump air from wheel rotation. It counts hardware sold to vehicle makers and to fleets for retrofit, plus the electronic control units and sensors bundled with that hardware. Stand-alone tire pressure monitoring sensors that only warn the driver, shop air compressors and portable inflators are excluded, as are tires themselves.

North America is the anchor market with a 41.00% share in 2025, because dry van and reefer trailer builders there have spent two decades fitting automatic inflation as a standard or preferred option. Pressure Systems International (P.S.I.) alone reports nearly 2 million of its systems installed on commercial trailers, and Hendrickson marked its one millionth TIREMAAX installation in July 2024.

Self-powered wheel-end inflators are the fastest-growing product type at a 10.90% CAGR. Aperia Technologies extended its Halo inflator to steer axles in March 2026, which means a tractor-trailer can now carry automatic inflation on every wheel position, not only the trailer. Asia Pacific (APAC) is the fastest-growing region at 8.60% a year, helped by trailer fleet modernization in China and India and by rising CTIS uptake on high-horsepower tractors.

Agricultural machinery is the second engine of growth. European farm contractors are buying CTIS to cut soil compaction in the field and raise pressure for road travel, and Agritechnica 2025 in November showed retrofit kits priced from EUR 3,250, a level that puts the technology within reach of mid-sized farms.

Self-powered inflators and electronic controls set the pace while trailer hardware keeps the volume

The automatic tire inflation system market splits five ways: by system type, vehicle type, component, pressure control method and sales channel. Volume still sits with trailer systems, but the fastest growth comes from products that bring inflation to tractors and steer axles and from the electronics that turn a valve into a data source for fleet software.

Self-powered wheel-end inflators grow at 10.90% because they need no air line from the vehicle

Constant-pressure trailer systems from P.S.I., Hendrickson and Cummins Meritor feed air from the trailer brake reservoir through the axle, and they grow at 6.20% as replacement and new-trailer demand tracks the freight cycle. Central tire inflation systems grow at 6.10%, held back by the slower defense budget cycle but supported by farm demand. Self-powered inflators, led by Aperia's Halo, mount on the hub and pump air from wheel rotation, so they can be fitted to drive and steer axles of a tractor without plumbing. Aperia says its steer unit should resolve more than 90% of underinflation issues, and that is the main reason the segment grows almost twice as fast as the market.

Heavy trucks and tractors outgrow trailers at 8.10% as inflation moves forward on the rig

Trailers remain the largest vehicle group and grow at 6.40%, close to the market rate, because penetration on new North American vans and reefers is already high. Heavy trucks and tractors grow at 8.10% now that drive and steer positions can be covered. Agricultural machinery grows at 7.70% on European and North American CTIS adoption, and buses and coaches grow at 6.90% as transit operators link pressure data to depot maintenance. Military and defense vehicles grow at 5.60%, tied to procurement timing, and construction and mining equipment grows at 6.30%.

Electronic control units and sensors grow at 9.40% as every inflator becomes connected

Air supply and compressor hardware grows at 6.00%, and rotary unions and hub assemblies grow at 6.50%, both following unit volume. Valves, hoses and manifolds grow at 6.20%. Electronic control units and sensors grow at 9.40% because buyers now expect leak alerts, remote set-point changes and integration with telematics, the features Aperia added to Halo Connect in 2026.

Inflate-and-deflate systems grow at 7.90% on farm and off-road demand

Inflate-only systems, the norm on highway trailers, grow at 5.90%. Inflate-and-deflate systems grow at 7.90% because farm tractors, military trucks and off-road equipment need to drop pressure for soft ground and raise it for the road, which only a bi-directional system can do from the cab.

Aftermarket retrofit grows at 7.30%, slightly ahead of factory-fit

OEM factory-fit grows at 6.60% and remains the larger channel on trailers. Aftermarket retrofit grows at 7.30% because self-powered hub units and retrofit CTIS kits, such as the Float Control kit shown at Agritechnica 2025, can be installed on vehicles already in service.

Market Trends

Inflation coverage is extending from trailers to every wheel position

For most of the past two decades, automatic inflation meant trailers. In March 2026 Aperia launched a Halo inflator for steer tires at the TMC Annual Meeting, completing coverage of drive, trailer, medium-duty and steer positions. Aperia cited its own data showing steer tires typically run 8 to 12 psi underinflated, and said early testing points to 10% to 15% longer tire life. Commercial availability was set for the fourth quarter of 2026, so the revenue effect builds from 2027.

Inflation hardware is being sold as part of tire-as-a-service contracts

In March 2025 Aperia signed an exclusive agreement to supply automatic inflation for Goodyear's Tires-as-a-Service offering in North America and Europe. Bundling inflation into a per-mile tire contract shifts the purchase decision from the maintenance budget to the tire supplier, which has a direct interest in keeping casings healthy for retreading. Ryder has also made the Halo inflator a standard spec on its heavy-duty rental fleet and a preferred option for ChoiceLease customers.

Inflation data is merging with other trailer and coupling data

In March 2026 Aperia and Fontaine Fifth Wheel announced that SmartConnect fifth-wheel lock data will appear in the Halo Connect platform, with commercial rollout to fleets in 2026. Hendrickson already pairs TIREMAAX with UTILITY TrailerConnect on Kroger's refrigerated trailers, and Cummins Meritor ships ThermAlert wheel-end heat sensing as standard on its MTIS by P.S.I. The trend favors suppliers with software and a data platform, not only valves.

Retrofit CTIS is reaching mid-sized farms

UK distributor TractAir said in February 2025 that CTIS sales were finally taking off in Britain, with systems that start inflating automatically above a preset speed, usually 12 kph. At Agritechnica in November 2025, Dutch firm Float Control showed a retrofit kit with more than 200 units already built, priced at EUR 3,250 for the manual version and EUR 6,250 for the ISOBUS version. Carraro presented a compact CTIS for agricultural axles in December 2025, adding another OEM-level source.

Restraints and Challenges

Trailer orders swing hard with the freight cycle

Because trailers are still the largest vehicle group, factory-fit demand follows trailer build rates. ACT Research reported preliminary U.S. trailer orders of 20,700 units in May 2026, up 237% from a very weak May 2025, which shows how deep the 2025 trough was. A repeat downturn would cut factory-fit volume for P.S.I., Hendrickson and Cummins Meritor within one or two quarters.

Monitoring mandates can satisfy buyers without automatic inflation

Europe's General Safety Regulation, Regulation (EU) 2019/2144, requires tire pressure monitoring on new heavy trucks, buses and trailers. A mandated monitor gives fleets a warning, and some buyers treat that as enough, leaving the extra cost of automatic inflation for later. Suppliers have to prove the added return through fuel and tire-life data rather than compliance.

Fuel savings are real but hard to verify independently

The U.S. EPA's SmartWay designated tractor and trailer program credits verified low rolling resistance tires with about 1% fuel savings, but it does not list automatic inflation as a verified technology. Most savings figures in the market, such as the 3% fuel savings reported for Goodyear customers in March 2025, come from supplier data, and finance teams discount them.

Wheel-end complexity raises maintenance concerns

Rotary unions, hub seals and air lines add parts at the wheel end, and a leaking seal can push air or oil into the hub. CTIS on farm tractors also needs high air flow; the Claas CTIC 2800 delivers up to 2,800 liters per minute, which requires a dedicated compressor. Smaller fleets and farms weigh these service needs against savings.

Growth Drivers

Fleet cost pressure makes tire pressure a line-item decision

Tires are one of the largest controllable costs for a trucking fleet after fuel and labor, and underinflation hits both. Aperia's March 2025 data from Goodyear long-haul customers showed 95% of tires properly inflated, average fuel savings of about 3% and more than 50% fewer breakdowns. Aperia says it now has about 1 million tires under management and 100 billion real-world miles of data, which gives fleet buyers a reference base that did not exist a decade ago. With roughly 8 million tractor-trailers on U.S. roads exposed to underinflation risk, the installed base still has room to grow, especially on tractors. Rental and leasing companies are moving first: Ryder has made the Halo inflator a standard spec on its heavy-duty rental fleet, which puts the hardware in front of thousands of smaller carriers that rent rather than buy. Radial Insights estimates this driver adds about +1.6% to the market's annual growth rate through 2035.

Safety on the steer axle opens a new position on every tractor

Aperia's Ralph Dimenna said in March 2026 that tire inflation problems contribute to roughly 6% to 8% of truck crashes, and that about 70% of those involve steer tires. Steer tire failures carry the highest safety risk because they affect control of the vehicle. Until 2026 there was no widely sold automatic inflation product for this position, so each tractor represented two trailer-style positions at most. The Halo steer unit, due for commercial availability in the fourth quarter of 2026, adds a new position on every tractor, and its 10% to 15% tire-life benefit in early testing gives fleets a second reason to buy. Insurers and shippers that audit carrier safety are likely to push adoption further. We estimate the steer-axle opening contributes roughly 1.2 percentage points to the 2025-2035 CAGR.

Soil protection and road speed drive CTIS on farms

Modern tractors spend a large share of their hours on the road, where high pressure cuts rolling resistance and wear, and then work in fields where low pressure protects soil structure and yields. CTIS solves both. Fendt offers VarioGrip from the factory, Claas offers CTIC on Axion and Arion tractors, Trelleborg and Dana co-developed CTIS+ Inside, and Michelin markets systems through its PTG unit. Retrofit prices have fallen to EUR 3,250 for a basic kit, as Float Control showed at Agritechnica in November 2025, and TractAir said in February 2025 that UK sales had finally taken off. Farm CTIS is worth close to +0.9% of yearly market expansion in our model, the largest effect outside trucking.

Opportunities

Electric trucks need every point of rolling resistance

Range on a battery-electric truck depends heavily on rolling resistance, and Clarience Technologies cited exactly this point when it bought P.S.I. As electric tractors and trailers with electric axles grow in number, automatic inflation becomes a range tool as well as a tire tool, which suits connected systems that can report pressure into the vehicle energy manager.

Tire-as-a-service and retread programs

Tire makers that sell per-mile contracts, such as Goodyear, carry the cost of early casing failure. Bundling inflation into these contracts, as Goodyear and Aperia agreed in March 2025, protects casings for retreading and gives inflation suppliers recurring, contract-backed volume in North America and Europe.

North America leads on installed trailers while Asia Pacific grows fastest

North America

North America accounts for a 41.00% share of the automatic tire inflation system market in 2025, worth USD 459.2 Million, and reaches USD 807.0 Million by 2035 at a 5.80% CAGR. North American trailer builders such as Utility Trailer, Vanguard and CIMC offer automatic inflation as standard or preferred equipment, and P.S.I. alone reports nearly 2 million systems installed on commercial trailers. Growth in North America now comes from tractors and steer axles, led by the Aperia Halo steer launch in March 2026.

Europe

Europe holds a 25.00% share in 2025, equal to USD 280.0 Million, and grows at 6.30% a year to USD 515.8 Million in 2035. European demand is split between trailers, where SAF-Holland and BPW sell pressure systems on their axles, and farm tractors, where Fendt, Claas and CTIS retrofit suppliers serve contractors. In Europe the General Safety Regulation already requires pressure monitoring on new heavy vehicles, which gives automatic systems a ready sensor base to build on.

Asia Pacific (APAC)

Asia Pacific (APAC) holds a 21.00% share in 2025, worth USD 235.2 Million, and is the fastest-growing region at an 8.60% CAGR, reaching USD 536.7 Million by 2035. APAC demand is rising as Chinese and Indian fleets move to larger, better-specified trailers and as Australian road trains and mining operators use CTIS on long unsealed routes. CIMC, one of the largest trailer makers in APAC, already offers Meritor inflation as a standard or preferred option on its reefer trailers.

Latin America

Latin America holds a 6.00% share in 2025, equal to USD 67.2 Million, and grows at 7.20% to USD 134.7 Million in 2035. Brazilian agriculture is the main driver in Latin America, with large tractors and grain trailers running between soft fields and long road hauls, the use case CTIS was built for.

Middle East

The Middle East holds a 4.50% share in 2025, worth USD 50.4 Million, and grows at 7.40% to USD 102.9 Million by 2035. In the Middle East, defense vehicle programs and desert logistics, where drivers drop pressure for sand, keep CTIS demand steady.

Africa

Africa holds a 2.50% share in 2025, equal to USD 28.0 Million, and grows at 7.60% to USD 58.3 Million by 2035. Mining haulage in southern Africa and cross-border trucking corridors account for most demand in Africa, and the region starts from a small installed base.

Recent Developments

• In May 2026, ACT Research reported preliminary U.S. trailer orders of 20,700 units, up 7% from April and 237% from May 2025, signaling a recovery in the factory-fit channel for trailer inflation systems.

• In March 2026, Aperia Technologies introduced the Halo automatic tire inflator for steer tires, giving its Halo platform coverage of every wheel position on commercial trucks and trailers, with commercial availability set for the fourth quarter.

• In March 2026, Aperia and Fontaine Fifth Wheel announced that SmartConnect fifth-wheel lock data will be integrated into the Halo Connect platform and Halo Drive app, with fleet rollout planned for 2026.

• In December 2025, the Carraro Group presented its Central Tire Inflation System for agricultural machinery, a compact design that works with the axle braking system and uses pneumatic seals only when needed.

• In November 2025, Float Control showed a retrofit central tyre inflation system at Agritechnica in Hanover, with more than 200 units built and prices from EUR 3,250.

• In March 2025, Aperia Technologies signed an exclusive agreement to supply automatic tire inflation for Goodyear's Tires-as-a-Service offering in North America and Europe.

Trailer system specialists hold the installed base while connected inflator makers take new positions

The automatic tire inflation system market is concentrated in trucking and more fragmented in agriculture and defense. A handful of suppliers own most trailer installations in North America, while farm and off-road CTIS is spread across axle makers, tractor OEMs and specialist retrofit firms. Competition is moving from hardware price toward data, warranty and integration with tire and fleet software.

Trailer inflation incumbents

Pressure Systems International (P.S.I.), part of Clarience Technologies, reports nearly 2 million systems installed on commercial trailers and also sells the TireView pressure monitoring line. Cummins Meritor sells the Meritor Tire Inflation System by P.S.I., with ThermAlert wheel-end heat sensing as standard, and the system is a standard or preferred option on Vanguard dry vans and CIMC reefers. Hendrickson, a Boler company, passed 1 million TIREMAAX installations in July 2024 and pairs the system with its own trailer suspensions and axles. SAF-Holland offers Tire Pilot and Tire Pilot Plus, adapted from a European system it has sold since 2013, and supplies them with its trailer axles.

Connected and self-powered inflators

Aperia Technologies is the main challenger, with the self-powered Halo inflator that pumps air from wheel rotation and the Halo Connect analytics platform. Aperia's partnerships with Goodyear in March 2025 and Fontaine Fifth Wheel in March 2026, together with its Ryder rental fleet spec, give it reach beyond trailers into tractors and steer axles, where the incumbents have little presence.

Agricultural and off-road CTIS suppliers

Michelin, through its PTG unit, is one of the best-known CTIS brands for tractors and trailed machinery. Dana Incorporated supplies CTIS for agricultural and off-highway axles and co-developed CTIS+ Inside with Trelleborg, which puts the air passage inside the axle and wheel. The Carraro Group offers a compact CTIS for its own axles, and tractor makers Fendt (AGCO) and CLAAS sell factory-fit systems such as VarioGrip and CTIC. Retrofit specialists such as TractAir in the UK and Float Control in the Netherlands serve contractors adding CTIS to existing tractors.

What separates winners

Buyers we interviewed ranked warranty length, proven fuel and tire-life data, and telematics integration above unit price. Suppliers that can show results from large fleets, such as Aperia's 100 billion miles of data or P.S.I.'s installed base, win specification at trailer OEMs and leasing companies.