Traction Locomotive Market

On 22 September 2025, Kazakhstan’s national railway KTZ awarded Wabtec a USD 4.2 billion order for 300 TE33AT six-axle diesel-electric locomotives, to be built at Wabtec’s plant in Astana, together with a 15-year service agreement covering the new units and KTZ’s existing fleet. Wabtec called it the largest locomotive agreement in its history, and it came four months after India’s Prime Minister flagged off the first of 1,200 Siemens-designed 9,000 HP electric freight locomotives at Dahod. Between them, the two deals show where the traction locomotive market is heading: large national freight corridors buying high-power units on long service contracts. Douglas Insights values the traction locomotive market at USD 13.8 billion in 2025 and forecasts USD 23.5 billion by 2035, a compound growth rate of 5.47%. The receipt is about 5,050 new mainline and shunting locomotives delivered worldwide in 2025 at an average realised price of USD 2.73 million. Units grow 2.8% a year as freight corridors in Asia, the Middle East and Africa add fleets and North American railroads resume new builds; price per locomotive grows 2.6% a year as buyers move to higher-power, electric, battery-hybrid and digitally monitored units. Locomotives are tracked here as part of our rail transport systems programme, and every figure below is built the way our research methodology sets out.

What sits inside the boundary of this study?

The traction locomotive market covers new locomotives that haul trains, about 5,050 units worth USD 13.8 billion in 2025, across electric, diesel-electric, battery and hybrid, and hydrogen propulsion. Electric locomotives draw power from overhead lines through a pantograph and dominate in India, China, Europe and Russia, where main lines are electrified. Diesel-electric locomotives carry their own engine and generator and remain the standard in North America, Kazakhstan, Africa, Latin America and Australia, where most freight lines have no wires. Battery-electric and hybrid locomotives store energy on board, either to work alongside diesel units in a consist or to shunt in yards without emissions, and hydrogen fuel cell locomotives are in trial. The market counts freight mainline, passenger mainline and shunting or industrial locomotives. Multiple units, high-speed trainsets, metro cars, freight wagons, rebuilds and modernisations of existing locomotives, and after-sales service contracts are outside the boundary, although service agreements are often signed with the locomotive order.

What does the Wabtec order from Kazakhstan mean for the traction locomotive market?

The Wabtec order from Kazakhstan announced on 22 September 2025 adds about 300 diesel-electric units to traction locomotive deliveries over the rest of the decade, and Douglas Insights estimates it lifts Asia Pacific diesel locomotive value by about USD 200 million a year at peak. The TE33AT is a six-axle, 4,400 HP-class locomotive designed for Kazakhstan’s cold winters, long distances and mountain grades, and KTZ ordered it to cut the average wear of its locomotive fleet from about 49% to 32% by 2030. The order followed a USD 405 million contract in October 2024 for 70 Evolution Series locomotives, so Kazakhstan has committed to around 370 new Wabtec units in less than a year. The deal matters beyond one country for three reasons. First, it confirms that diesel-electric traction still wins where freight corridors are long and unelectrified, including the Middle Corridor linking China and Europe through Central Asia and the Caspian Sea. Second, the price of about USD 14 million per locomotive in the headline figure shows how much of today’s value is locked into service: the contract covers maintenance of the new fleet and the existing one for 15 years. Third, it shows buyers asking for local assembly, as India did with Siemens at Dahod and Alstom at Madhepura. Douglas Insights treats local assembly as the price of entry for any national order above about 200 traction locomotives.

What fuels new traction locomotive orders through 2035?

Traction locomotive demand is driven by four forces, and Douglas Insights attributes 2.8 points of the 5.47% annual growth to more units delivered and 2.6 points to higher price per locomotive.

Freight corridor build-out is the largest force. India’s dedicated freight corridors, China’s heavy-haul coal and container routes, Central Asian transit lines and new Gulf railways all need fleets of high-power locomotives. India alone built 1,681 locomotives in the year to March 2025, a 19% rise on 1,472 the year before, according to the Ministry of Railways. Douglas Insights estimates freight mainline traction locomotives at USD 10.8 billion in 2025, 78% of value, growing 5.3% a year.

Electrification shifts spending toward electric units. India has electrified almost all of its broad-gauge network, China and Europe keep adding wires, and each electrified line replaces diesel units with electric ones that cost more but use cheaper energy. Electric units are already USD 7.87 billion of the 2025 total on our count, and they compound at 5.9% a year as wires reach further. The Rail Signalling and Train Control Systems Market report tracks the signalling upgrades that come with the same corridor projects.

Fleet renewal in North America and Europe brings back new builds. North American Class I railroads spent most of the last decade rebuilding existing locomotives rather than buying new ones, but many AC units bought in the 2000s now need replacement, and European operators are retiring older electric units for multi-system models that can cross borders. That puts North America at USD 1.44 billion in 2025 on our model, the fastest of the mature markets at 6.8% a year.

Higher power and cleaner propulsion raise price per unit. A 9,000 HP or 12,000 HP electric locomotive costs more than the 6,000 HP units it replaces, and battery-hybrid units, Tier 4 diesel engines and remote condition monitoring all add value. Douglas Insights estimates battery and hybrid traction locomotives at USD 691 million in 2025, growing 14.0% a year, the fastest of any propulsion type.

Shunting, leasing and industrial buyers add a smaller but steady stream. Ports, steel plants and mines buy shunting and industrial traction locomotives worth USD 829 million in 2025, and private freight operators, which take 28% of value, increasingly lease units from rolling stock lessors that order in batches of 20 to 50, smoothing orders for European and North American builders.

Which headwinds slow locomotive replacement?

Long locomotive lives, cheaper rebuilds and uncertain zero-emission rules hold back the traction locomotive market, and Douglas Insights estimates they take about 1.5 points a year off unit growth. A mainline locomotive typically runs 30 to 40 years, and a mid-life rebuild that adds AC traction, new electronics and better fuel economy costs roughly half the price of a new unit, so many North American railroads choose modernisation first. Regulation pulls in two directions: California adopted an In-Use Locomotive Regulation in 2023 that would have forced zero-emission operation, but withdrew its request for federal authorisation in January 2025 and then moved to repeal the rule, removing a push that could have accelerated new battery and hydrogen purchases. Freight volumes are a further risk: coal traffic, which fills a large share of heavy-haul trains in China, India, the United States and Russia, is expected to fall over the forecast period. Finally, sanctions and trade restrictions split the market into blocs, keeping Russian, Chinese and Western suppliers out of each other’s home markets and limiting price competition.

Which propulsion type earns the most, and which grows fastest?

Electric traction locomotives are the largest segment at 57% of 2025 value, USD 7.87 billion, and battery and hybrid units are the fastest-growing traction locomotive segment at 14.0% a year.

Electric locomotives are worth USD 7.87 billion in 2025. India, China, Europe and Russia buy most of them for electrified freight and passenger lines, and new high-power freight classes give 5.9% annual growth.

Diesel-electric locomotives are worth USD 5.11 billion in 2025. North America, Central Asia, Africa, Latin America and Australia still depend on them for unelectrified freight lines, and orders such as Kazakhstan’s give 4.2% annual growth.

Battery and hybrid locomotives are worth USD 691 million in 2025. Railroads use battery units to recover braking energy in mixed consists and to shunt without emissions, giving 14.0% annual growth from a small base.

Hydrogen and other propulsion is worth USD 138 million in 2025, mainly prototypes and small fleets for shunting and mining railways, growing about 20% a year; the fuel supply and cost curve behind those trials is sized in the Hydrogen Market report.

By application, freight mainline takes 78% of value, USD 10.8 billion; passenger mainline 16%, USD 2.21 billion, where multiple units take much of the demand; and shunting and industrial locomotives 6%, USD 829 million. By end user, national railways take 64%, USD 8.84 billion; private freight operators 28%, USD 3.87 billion; and industrial and mining railways 8%, USD 1.10 billion.

How do electric and diesel-electric traction locomotives compare for buyers?

An electric traction locomotive costs about 10% to 30% less to run per tonne-kilometre than a diesel-electric one on the same route, on Douglas Insights estimates, but only where overhead wires already exist. Electric locomotives have fewer moving parts, no engine overhauls and can feed braking energy back into the grid, which is why India, China and Europe buy almost nothing else for electrified main lines. They also deliver more power per axle, so a single 9,000 HP or 12,000 HP electric unit can replace two older diesel units on a heavy freight train. Diesel-electric locomotives cost less to buy, run anywhere, and suit long, lightly used lines where electrification would never repay its cost; in North America, Central Asia and Africa they remain the only practical choice for most routes. Battery-hybrid consists sit between the two, cutting fuel use by using a battery unit alongside diesel units, and Douglas Insights expects them to take a growing share of North American orders as railroads test them in regular service. Hydrogen locomotives remain experimental, held back by fuel cost and refuelling infrastructure, as the Hydrogen Fuel Cell Heavy Trucks Market report shows on the road.

Where are the largest traction locomotive fleets being renewed?

Asia Pacific renews the largest fleets, taking 57% of 2025 value or USD 7.86 billion, while the Middle East is the fastest-growing region at 8.0% a year. Asia Pacific leads because India and China together build more than half of the world’s locomotives for their own networks, and Central Asia adds large diesel orders; Asia Pacific grows 5.2% a year as India moves to higher-power classes and China renews heavy-haul fleets. Europe, including Russia, is worth USD 3.19 billion in 2025, growing 5.0% a year, with multi-system electric units for cross-border freight in the European Union and domestic builds in Russia. North America is worth USD 1.44 billion, growing 6.8% a year as Class I railroads return to new builds and test battery units. Latin America, at USD 480 million, grows 6.2% a year with Brazilian and Mexican freight. The Middle East, at USD 280 million, is the wildcard: new railways in Saudi Arabia and the United Arab Emirates could lift growth above the 8.0% base case. Africa, at USD 560 million, grows 7.0% a year, driven by mining lines and port corridors.

Who supplies the world’s locomotives, and what share do the top three hold?

CRRC leads the traction locomotive market with an estimated 22% of 2025 value, and the top three suppliers hold about 52%, on Douglas Insights estimates.

CRRC’s position rests on China’s domestic market, the largest single buyer of new traction locomotives, and on exports to Africa, Asia and Latin America. India’s state factories supply most of India’s electric units, while Alstom, Siemens and Wabtec build under long contracts with local assembly. Wabtec also leads in overseas diesel orders. Siemens and Alstom lead European electric locomotives. Transmashholding serves Russia and neighbouring markets. Progress Rail competes with Wabtec for North American and export diesel orders and has put battery units into yard service, and Stadler has built a niche in dual-mode locomotives that run on electric lines and switch to diesel on the last unelectrified kilometres to a terminal. Douglas Insights expects service revenue to become the main battleground, because contracts such as Siemens’ 35-year maintenance of the Indian D9 fleet lock in customers for the life of each locomotive.

How much does a traction locomotive cost?

Traction locomotive prices range from about USD 1.5 million for an Indian-built electric freight unit to USD 6 million for a European multi-system electric or a battery-electric unit, and the Douglas Insights average realised price is USD 2.73 million in 2025. Indian electric freight locomotives built in state factories sell internally for about USD 1.5 to 2.0 million, the lowest prices in the world because of scale and local supply. Chinese electric and diesel units sell for about USD 2.5 to 3.5 million. New North American six-axle diesel-electric units sell for about USD 3 to 4 million, and battery-electric units for more. European multi-system electric locomotives such as the Vectron class sell for about USD 3.5 to 5.5 million, depending on the countries and signalling systems they must operate in. Headline contract values are often far higher: Kazakhstan’s USD 4.2 billion for 300 units, about USD 14 million each, includes 15 years of service for its whole fleet. Price per locomotive grows about 2.6% a year from higher power ratings, electric and battery content, and digital monitoring.

Which 2035 outcome does the fleet age curve point to?

The traction locomotive forecast ranges from about USD 18.1 billion to USD 29.7 billion in 2035 across Douglas Insights scenarios, around a base case of USD 23.5 billion. The slower case assumes unit growth of 1.4% a year and price growth of 1.3%, which would follow if India’s production plateaus after its fleet renewal and North American railroads keep favouring rebuilds. The faster case assumes 4.2% and 3.6%, which would follow if Gulf and African railways build out on schedule and battery-hybrid units become standard in North American orders. Each 1-point change in unit growth moves the 2035 figure by about USD 2.4 billion. Other published locomotive forecasts span roughly 4.0% to 9.7% a year. Our 5.47% sits in the lower half of that spread for one reason: we count new-build locomotives only, and a 30-to-40-year service life keeps replacement slow in mature fleets.

Douglas Exclusive: traction locomotive fleet age tracker

The Douglas Insights traction locomotive fleet age tracker follows about 120,000 mainline and shunting locomotives in service across 40 countries by propulsion, power, build year and owner, and estimates when each group reaches its planned retirement age. It shows that about 18,000 locomotives worldwide will pass 35 years of age by 2030, that more than a third of them are diesel-electric units in the former Soviet Union and Central Asia, and that India’s electric fleet is the youngest large fleet in the world after five years of record output.

Which emission limits and approval standards bind a new locomotive?

Emission rules and technical approval standards shape traction locomotive design, and Douglas Insights estimates that about 30% of 2025 value is bought in markets with binding locomotive emission limits. In the United States, the Environmental Protection Agency’s Tier 4 standards have applied to new locomotives since 2015 and drive the cost of every new diesel-electric unit. California’s attempt to go further ended when the California Air Resources Board withdrew its authorisation request on 13 January 2025. In the European Union, locomotives need approval under the technical specifications for interoperability, Regulation (EU) No 1302/2014, and diesel engines must meet Stage V limits under Regulation (EU) 2016/1628, which favours electric and hybrid units. India is fitting its Kavach train protection system to new locomotives, including the D9. Local content rules in India, Kazakhstan and other large buyers decide where units are assembled, which is why the Siemens D9 is built at Dahod with components from Nashik, Aurangabad and Mumbai, as Siemens reported on 26 May 2025.

Receipts: how we counted 5,050 locomotives and set their price

The traction locomotive market model is a bottom-up count across 40 countries: Douglas Insights multiplied about 5,050 new traction locomotives delivered in 2025 by an average realised price of USD 2.73 million to reach USD 13.8 billion. Units were built from national production data, such as India’s 1,681 locomotives in the year to March 2025, published orders and delivery schedules from the leading suppliers, and fleet renewal needs by country, and checked against supplier revenue disclosures. Prices were set by propulsion, power and region from contract values after removing service content. Shares for leading suppliers are Douglas Insights estimates. The Rail Freight Wagons Market report uses the same corridor and fleet data for the wagons these locomotives pull. Source-by-source receipts for the unit count, the price build and the supplier shares sit in our research methodology.

Sources

1. Wabtec Corporation Kazakhstan Awards Wabtec a $4.2 Billion Locomotive Order (22 September 2025) (2025)
2. Press Information Bureau, Ministry of Railways India produces 1,681 locomotives in FY 2024-25 (2025)
3. Siemens Prime Minister flags off first D9 9000 HP electric locomotive (26 May 2025) (2025)
4. California Air Resources Board / US EPA Withdrawal of California's request for authorization, In-Use Locomotive Regulation (2025)