Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing (U.S., NAICS 333924)

A Histometrics industry primer for public-market and private investors

1. Overview

This industry builds the machines that move things around inside the economy: forklifts (the single largest product), electric pallet jacks, order pickers, reach trucks, tow tractors, warehouse stackers, straddle carriers, and the yard/terminal tractors that shuttle trailers around ports and distribution centers. If a pallet, container, or crate moves without a human carrying it, something made in this industry probably moved it. The U.S. Census groups all of it under NAICS 333924, "Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing." [1]

Why an investor should care: this is a classic capital-goods, late-cycle business. Its customers are warehouses, factories, retailers, ports, and third-party logistics operators, so its sales rise and fall with industrial production, warehouse construction, and e-commerce volumes. It is not defensive, but it sits on top of two durable growth tailwinds — the build-out of distribution capacity for e-commerce, and the electrification and automation of material handling. It also throws off a large, steadier stream of high-margin parts, service, and rental revenue that cushions the cycle.

Ways in differ sharply by investor type. For public-market investors there is essentially one U.S.-listed pure play — Hyster-Yale (NYSE: HY) — plus several foreign-listed leaders. Much of the industry's best economics sit inside privately held firms (Crown Equipment) or inside foreign parents (Toyota, KION, Jungheinrich) whose forklift business is one division among many. Private-market investors more often touch this space through dealers, rental/fleet businesses, component suppliers (batteries, attachments), and automation startups. Both routes are covered in Sections 4 and 10.

2. What it is, and how it's structured

Scope. NAICS 333924 covers establishments primarily making "industrial trucks, tractors, trailers, and stackers (i.e., truck-type) such as forklifts, pallet loaders and unloaders, and portable loading docks." [1] In practice the product list also includes hand trucks and dollies, pallet jacks, mobile straddle carriers, aircraft and bomb loaders, and even wheelbarrows and (wire) grocery carts. [2]

The industry organizes its core product — the powered forklift — into seven classes used across the trade, defined by power source and design: Class 1 electric-motor rider trucks; Class 2 electric narrow-aisle trucks (reach trucks, order pickers); Class 3 electric hand/pallet trucks; Class 4 internal-combustion (IC) cushion-tire trucks (indoor); Class 5 IC pneumatic-tire trucks (outdoor); Class 6 electric and IC tow tractors; and Class 7 rough-terrain trucks. Understanding "electric vs. IC" and "class mix" is central to the industry's economics (Section 5).

What it excludes — and this matters for sizing the industry:

• Over-the-road (motor-vehicle-type) trailers are not here; they sit in NAICS 336212/33621, Motor Vehicle Body and Trailer Manufacturing. [1]
• Farm tractors belong to NAICS 333111, Farm Machinery and Equipment. [1]
• Construction tractors, dozers, and loaders belong to NAICS 333120, Construction Machinery. [1]
• Aerial work platforms/telehandlers and cranes largely sit in other machinery codes. So "tractor" and "trailer" in the industry title mean the industrial/warehouse kind, not the highway or farm kind — a common point of confusion.

Manufacturing and commercial activity. Manufacturing combines application-specific engineering with metal forming, machining, welding, and complex assembly. A typical OEM fabricates frames and masts, integrates purchased engines or electric drives, transmissions, axles, brakes, tires, batteries, chargers, controls, and cast-iron counterweights, then tests and configures the truck for a particular load, aisle, duty cycle, and operating environment. [3]

The commercial activity extends well beyond the factory gate. Manufacturers distribute through independent dealers, company-owned branches, and direct national-account programs. Dealers install and deliver trucks and supply field service, parts, rentals, and used equipment. OEMs also sell attachments, maintenance agreements, telematics, fleet-management software, and financing. Hyster-Yale, for example, said its direct major-account program represented 28% of new lift-truck revenue in 2025, while independent dealers continued to provide local service and parts. [4]

Ownership mix. The U.S. production base is a mix of (a) American-owned firms — publicly traded Hyster-Yale and privately held Crown Equipment; (b) U.S. manufacturing subsidiaries of foreign parents that build heavily in America — Toyota Material Handling and its Raymond brand, and Mitsubishi Logisnext Americas; and (c) foreign-owned brands that mostly import. It is a globally consolidated industry with a strong domestic manufacturing footprint.

3. How big it is

Federal statistics (our ground-truth figures):

So this is a mid-sized manufacturing industry: a few hundred firms, ~32,000 workers, and roughly $13 billion of annual factory output. Average pay is solidly middle-income (about $71,000 in payroll per employee, from the figures above).

An important measurement caveat. The $13.2 billion is domestic factory output — the value of what U.S. establishments ship. It is not the size of the U.S. market. Two adjustments run in opposite directions: it includes exports of U.S.-built machines, and it excludes imports, which are large (Japan, Germany, China, and Korea all ship finished forklifts into the U.S.). By demand-side measures, the U.S. forklift market alone was estimated at about $9.1 billion in 2023, a figure that counts imported units but only the forklift subset of this NAICS. [8] The takeaway: unlike government-dominated or tiny-operator industries where federal data undercounts activity, here the Census figure is well-measured but represents production, not consumption — a big share of U.S. demand is met by imports and by foreign-badged equipment sold through dealers, so factory-shipment data understates the material-handling economy's true U.S. footprint.

North American unit demand provides a complementary measure. Industrial Truck Association data show North American retail forklift orders topped 195,000 units in 2024, with electric models about 71% of the total — a normalization down from the record demand of 2021–2022, when annual volume exceeded traditional levels by more than 100,000 units. [9]

4. The investable universe

There is only one U.S.-listed pure play. Everything else is a foreign listing or a division of a larger/private company. Figures below are company-wide or lift-truck-segment revenue (global), not U.S.-only NAICS output — use them for relative scale, not as U.S. market share.

Public companies

Major private or subsidiary U.S. players

• Crown Equipment (New Bremen, Ohio) — privately held, ~$5.3 billion in worldwide sales (FY2025); a top-5 global maker and one of the largest U.S.-headquartered ones. The fourth generation of the Dicke family continues to lead the company. [17]
• Toyota Material Handling North America — as of April 2025, Toyota Material Handling and The Raymond Corporation operate as one integrated organization; four U.S. plants (Columbus IN, Greene NY, Muscatine IA, East Chicago IN) build 1,900+ forklifts a week, and roughly one in three forklifts sold in North America is a Toyota or Raymond product. [18]
• Clark Material Handling (Korean-owned) and Hyundai/HD Hyundai material handling — ~$0.9–1.0B each. [10]
• Terminal (yard) tractors — a distinct U.S. niche: Kalmar Ottawa (Ottawa, Kansas) is North America's largest terminal-tractor maker; competitors include Autocar, TICO, and electric-focused Orange EV. [19]

For most public-market investors, HY is the accessible name; broader exposure requires foreign listings (KION, Jungheinrich, Kalmar). Note that Toyota Industries and Mitsubishi Logisnext, still commonly referenced in older primers as Tokyo-listed pure plays, both delisted in 2026.

5. How the money works

Owners in this industry make money the way durable-goods manufacturers do — but with an important recurring-revenue overlay.

Unit sales, mix, and price. Revenue starts with units shipped across the seven classes. Because a big outdoor IC forklift or a port straddle carrier sells for many multiples of an electric pallet jack, product mix swings average selling price and margin as much as volume does. Rising electric and narrow-aisle mix (warehouse automation) and higher-capacity trucks lift ASPs.

Orders, backlog, and book-to-bill. This is an order-driven business. The Industrial Truck Association (ITA) — whose members represent more than 90% of the U.S./Canada/Mexico market — publishes orders and shipments by class and power source, and investors watch backlog and the book-to-bill ratio (new orders ÷ shipments) as the leading indicators. North American retail orders topped 195,000 units in 2024, with electric models about 71% of the total — a normalization down from the record demand of 2021–2022. [9] Backlog can move quickly: Hyster-Yale's year-end backlog fell from approximately $1.93 billion in 2024 to $1.28 billion in 2025, illustrating how quickly a post-shortage backlog can normalize. [4]

Margins and input costs. Gross and operating margins are thin and cyclical, driven by steel, castings, counterweights, engines, batteries, and semiconductors, and by whether the maker can raise prices fast enough to cover cost inflation (there is usually a lag, so margins compress when costs spike and expand when they fall and backlog is priced high). The volatility is stark. Hyster-Yale earned an operating profit of ~$245 million on ~$4.3 billion of 2024 revenue — roughly a 5.7% operating margin. In 2025, revenue fell to $3.77 billion, and the company recorded a $22 million operating loss (negative 0.6% operating margin), with gross margin compressing from 20.8% to 16.8%. [4] KION's larger Industrial Trucks & Services segment produced €8.27 billion of 2025 revenue and €722 million of adjusted EBIT, an 8.7% adjusted margin, down from 10.7% in 2024. [13]

The recurring-revenue overlay — this is the good part. New-truck manufacturing is cyclical and low-margin; the stabilizers are:

• Parts and service on a large installed base of machines that run in tough duty cycles and need maintenance for years. Hyster-Yale generated $883 million of service and parts revenue in 2025 — roughly 23% of total revenue — demonstrating the cushion the installed base provides. [4]
• Rental and used-equipment fleets that smooth demand and capture more of the machine's life.
• Captive/partner financing (Hyster-Yale runs a financing joint venture; Toyota and others have finance arms) that earns a spread and locks in customers.
• Dealer networks — the moat. Toyota/Raymond alone runs ~300 dealer and support locations in North America. [18] A dense dealer-service footprint is expensive to replicate and is what keeps aftermarket dollars flowing.

Cyclicality. Because customers buy forklifts as capital equipment, demand tracks industrial production, the manufacturing PMI, warehouse construction, and freight volumes, with replacement cycles (typically 5–8 years, longer with rental) adding a second wave. During downturns or policy uncertainty, customers can extend equipment lives, buy used trucks, rent temporarily, or defer orders. Capacity utilization at the plants swings hard between boom and bust.

Working capital. OEMs carry substantial inventory — raw materials, work in process, completed trucks, and service parts. Hyster-Yale ended 2025 with $634 million of net inventory. [4] Inventory management and dealer floorplan financing are meaningful cash-flow variables.

6. What drives demand

• Warehouse and distribution-center construction and e-commerce fulfillment — the biggest structural driver; more square footage and faster order cycles mean more trucks per facility.
• Industrial production and manufacturing activity — factories are core buyers; demand tracks the manufacturing cycle.
• Freight, ports, and intermodal volumes — drive terminal tractors, reach stackers, and container handlers.
• Replacement and fleet age — after the 2021–2022 order surge, a large installed base sets up future replacement demand.
• Electrification — the shift from IC (internal combustion) to electric trucks is already mainstream. KION reported that electric forklifts and warehouse trucks represented 76% of global industrial-truck orders in the first nine months of 2024. [20] Within electric, the shift from lead-acid to lithium-ion batteries continues: lithium reached roughly 47% of the forklift-battery market in 2024 and is on track to pass lead-acid, because it charges faster (2–3 hours vs. 8–12), lasts longer, needs no battery room or watering, and cuts cost-per-hour meaningfully. [21] Electrification raises the value (and margin) of each electric truck.
• Automation — automated guided vehicles (AGVs), autonomous mobile robots (AMRs), and robotic forklifts, plus warehouse-automation systems (KION's Dematic, Toyota's automation lines). This is where the industry's growth premium and its competitive threat both live.
• Labor cost and scarcity — warehouse labor shortages push customers toward automation and toward more productive (electric/narrow-aisle) trucks. Reducing travel, picking, and operator time can justify higher equipment content even when basic forklift unit growth is modest.

7. Regulation

This industry is regulated more as a workplace-safety and emissions matter than as an economic one — there is no price or entry regulation.

• OSHA 29 CFR 1910.178, Powered Industrial Trucks — the core federal standard. It sets design/operation requirements and, under §1910.178(l), requires employers to train, evaluate, and certify every forklift operator, documented by name, date, and evaluator. [22] This drives demand for training and for safer, sensor-equipped trucks, and it shapes machine specifications (e.g., which truck types are allowed in hazardous atmospheres). BLS reported a 2022 total-recordable injury and illness rate for NAICS 333924 of 3.9 cases per 100 full-time workers. [23]
• Product-safety standards — machines are designed to the ANSI/ITSDF B56.1 consensus standard for powered industrial trucks; lithium batteries and chargers face UL listing and fire-code requirements.
• Engine emissions — IC forklifts (gasoline, LPG, diesel) are covered by EPA nonroad/spark-ignition engine standards for engines above 19 kW, and California's CARB Large Spark-Ignition (LSI) rule tightens emissions on propane forklifts — both of which push the market toward electric. [22][24] California's zero-emission-forklift program begins covered fleet phase-outs in 2028 and runs by model year through 2038, creating replacement demand for electric trucks while risking reduced residual values for affected IC fleets. [25]
• Trade policy — because imports supply much of U.S. demand, tariffs matter. Section 301 duties on Chinese goods run from 7.5% up to 100% on various categories, and related trade actions on steel, batteries, and port equipment raise input and finished-goods costs across the supply chain. [26] Hyster-Yale identified approximately $100 million of tariff-related cost on 2025 inventory purchases. [4] Trade policy is a live swing factor for margins and sourcing decisions.

8. Competitive dynamics and consolidation

The industry is globally consolidated at the top and moderately concentrated in the U.S. Federally, the four largest firms account for 45.2% of U.S. industry shipments, the top eight for 58.8%, the top 20 for 75.6%, and the top 50 for 90.1%; the Herfindahl-Hirschman Index (a concentration measure) is 699, which sits in the "unconcentrated" range (below 1,500). [5] So while a handful of giants dominate, there is a long tail of specialized U.S. makers (terminal tractors, niche stackers, attachments).

Globally, the picture is more concentrated: the top 20 lift-truck suppliers generated roughly $58 billion in 2023, and the top three alone — Toyota Industries (~$16.3B), KION (~$9.4B), and Jungheinrich (~$6.1B) — are more than half of that. [10] The competitive dynamics:

• Scale + dealer density are the moats. The leaders win on manufacturing scale, global dealer/service networks, and financing.
• Vertical integration into automation — KION's Dematic, Toyota's automation arm, and Jungheinrich's intralogistics push are attempts to move up from selling trucks to selling whole automated warehouses.
• Consolidation and corporate simplification — Toyota's 2025 merger of Toyota Material Handling and Raymond into one North American organization, [18] and the Toyota Group's 2026 take-private of Toyota Industries, [11][12] both signal a maturing, consolidating industry. Logisnext's 2026 delisting and relaunch under Japan Industrial Partners [15] follows the same pattern. Kalmar's 2024 spin-off from Cargotec runs the other way, creating a focused public port/terminal-handling company.
• Chinese entrants (e.g., BYD, Hangcha, EP) are gaining share globally on price and lithium-electric products — a structural competitive threat, partly blunted in the U.S. by tariffs.

9. Risks

• Cyclicality. The dominant risk. A downturn in industrial production or a pause in warehouse construction hits new-truck orders hard and fast; backlog can evaporate.
• Margin squeeze. Steel, battery, engine, and chip cost spikes — plus tariffs — compress already-thin manufacturing margins when pricing can't keep up. The price/cost timing lag is persistent because trucks in backlog were quoted earlier.
• Import and FX exposure. A U.S. market heavily supplied by imports is exposed to tariffs, freight costs, and currency swings.
• Technology disruption. The shift to lithium, automation, AGV/AMR, and possibly hydrogen fuel cells could strand lead-acid/IC product lines and favor better-capitalized or software-savvy competitors. Automation could also reduce the number of trucks a warehouse needs. The competitive set is expanding from traditional machinery OEMs to software, robotics, and systems-integration companies.
• Chinese competition on price and electric technology.
• Concentration for the public investor. With essentially one U.S.-listed pure play, single-name exposure carries company-specific risk; the best-run assets (Crown, Toyota's unit) aren't independently investable.
• Product-liability and safety exposure — forklifts are a leading source of workplace injuries, which drives litigation and recall risk.
• Supplier concentration. OEMs depend on limited suppliers for certain engines and cast-iron counterweights, creating supply-chain risk. [4]

10. How to invest, and the outlook

Public-market routes.

• Direct pure play: Hyster-Yale (NYSE: HY) is the only U.S.-listed name focused on this industry — a small-cap, dividend-paying, deeply cyclical capital-goods stock (2024 diluted EPS $8.04; 2025 saw an operating loss; regular quarterly dividend recently $0.365/share). [4] Its swings are amplified by operating leverage and mix.
• Foreign listings for broader/higher-quality exposure: KION Group and Jungheinrich (German, preference shares only for Jungheinrich), and Kalmar (Helsinki). These trade in Europe with U.S. over-the-counter (OTC) tickers. Note that Toyota Industries and Mitsubishi Logisnext both delisted in 2026. [12][15]
• Adjacent public exposure: diversified industrials and automation names (warehouse-automation, battery, and component suppliers), or broad industrial ETFs, give indirect exposure without a pure-play bet.

Private-market routes.

• Dealers and rental/fleet businesses — a large, fragmented, recurring-revenue layer (parts, service, short-term rental) that private-equity buyers actively consolidate. Often more attractive economics than manufacturing, but underwriting must address franchise termination, dealer-territory concentration, technician availability, inventory aging, floorplan financing, customer concentration, and residual-value risk.
• Component and enabling suppliers — lithium-battery makers, chargers, forklift attachments (forks, clamps), telematics/fleet-management software, and safety systems.
• Automation and electric-terminal-truck startups — AGV/AMR and electric yard-truck companies (e.g., Orange EV in the electric terminal-tractor niche) are venture/growth targets.
• Direct ownership of the strongest franchises is limited — Crown is family/privately held, and Toyota's unit is inside a now-private parent.

Outlook (forward-looking). The near-term is a normalization story: after record 2021–2022 orders, North American demand has settled to a healthier ~195,000-unit annual pace, and the cycle now depends on industrial production, warehouse build-out, and freight recovery. [9] The multi-year structural drivers — e-commerce fulfillment capacity, electrification (lithium), and automation — remain intact and, if anything, are strengthening, which supports rising per-unit value even in a flatter unit market. The swing factors to watch are tariffs/trade policy (input costs and Chinese competition), the pace of the lithium and automation transition (who captures the value-added), California's 2028–2038 zero-emission phase-outs, and the industrial capex cycle. It is a good vantage point on the physical economy for investors who can stomach cyclicality — but with the caveat that the public toolkit is narrow and much of the industry's best value sits in private or foreign hands.

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Sources

1. U.S. Census Bureau, "NAICS 333924 — Industrial Truck, Tractor, Trailer, and Stacker Machinery Manufacturing" (2022 definition and cross-references). https://www.census.gov/naics/
2. NAICS Association, "NAICS Code 333924 — Description and Illustrative Examples" (2024). https://www.naics.com/naics-code-description/?code=333924
3. U.S. Census Bureau, "Census description of machinery manufacturing" (2022). https://www.census.gov/naics/?details=333&input=333&year=2022
4. Hyster-Yale Materials Handling, Inc., 2025 Form 10-K. https://www.sec.gov/Archives/edgar/data/1173514/000117351426000049/hy-20251231.htm
5. U.S. Census Bureau, 2022 Economic Census — Value of shipments, firm count, and concentration ratios (CR4/CR8/CR20/CR50, HHI) for NAICS 333924 (Histometrics ingested figures). https://www.census.gov/programs-surveys/economic-census.html
6. U.S. Census Bureau, County Business Patterns 2023 — Employment, establishments, and payroll for NAICS 333924 (Histometrics ingested figures). https://www.census.gov/programs-surveys/cbp.html
7. U.S. Small Business Administration, "Table of Size Standards" (2023) — NAICS 333924, 900-employee standard. https://www.sba.gov/document/support-table-size-standards
8. Grand View Research, "U.S. Forklift Market Size and Share Analysis, 2024–2030" (2024). https://www.grandviewresearch.com/industry-analysis/us-forklift-market-report
9. Industrial Truck Association, "Market Intelligence" / statistics program — North American retail orders and power-source mix, 2024. https://www.indtrk.org/market-intelligence
10. Modern Materials Handling / Peerless Media, "Top 20 Lift Truck Suppliers 2024" (2024) — global lift-truck revenue rankings. https://www.mmh.com/article/top_20_lift_truck_suppliers_2024
11. CNBC, "Toyota Industries' shares nosedive on $33 billion buyout deal" (June 4, 2025). https://www.cnbc.com/2025/06/04/toyota-industries-shares-nosedive-on-33-billion-buyout-plan.html
12. Toyota Industries Corporation, "Privatization notices and investor information" (2025–2026). https://www.toyota-industries.com/investors/notice/index.html
13. KION Group, "2025 Annual Report — Industrial Trucks & Services segment results." https://reports.kiongroup.com/2025/ar/management-report/report-on-the-economic-position/financial-position-and-financial-performance/business-situation-and-financial-performance-of-the-segments.html
14. Jungheinrich AG, "Share FAQ — preference shares." https://www.jungheinrich.com/en/investor-relations/about-our-share/faq-164038
15. Logisnext Co., Ltd., "Delisting notice and ownership transition" (2026). https://www.logisnext.com/en/investor/stockinfo/meeting/
16. Kalmar Corporation, "Share information and 2026 company release." https://www.kalmarglobal.com/investors/share/
17. Crown Equipment Corporation, "About Crown" (company overview, FY2025 worldwide sales). https://www.crown.com/en-us/about-us.html
18. The Raymond Corporation / Toyota Material Handling, "Toyota Material Handling, The Raymond Corporation to Become One Integrated Organization" (2025). https://www.raymondcorp.com/news/2025/toyota-material-handling-the-raymond-corporation-to-become-one-integrated-organization
19. Wikipedia, "Ottawa Trucks" and Kalmar Ottawa product pages (North American terminal-tractor manufacturers). https://en.wikipedia.org/wiki/Ottawa_Trucks
20. KION Group, "2024 Annual Report — Sectoral conditions, citing World Industrial Truck Statistics." https://reports.kiongroup.com/2024/ar/management-report/report-on-the-economic-position/conditions/sectoral-conditions.html
21. CTS Power / industry battery-market data, "Electric Forklift Lithium-Ion Transition Accelerates" (2024–2025). https://www.ctspowerbattery.com/electric-forklift-lithium-ion-transition-accelerates--lithium-batteries-rapidly-replacing-lead-acid-technology
22. Occupational Safety and Health Administration, "29 CFR 1910.178 — Powered Industrial Trucks." https://www.osha.gov/laws-regs/regulations/standardnumber/1910/1910.178
23. U.S. Bureau of Labor Statistics, "2022 injury and illness rates by industry — NAICS 333924." https://www.bls.gov/iif/nonfatal-injuries-and-illnesses-tables/table-1-injury-and-illness-rates-by-industry-2022-national.htm
24. U.S. Environmental Protection Agency, "Regulations for emissions from heavy equipment with spark-ignition engines." https://www.epa.gov/regulations-emissions-vehicles-and-engines/regulations-emissions-heavy-equipment-spark-ignition
25. California Air Resources Board, "Zero-Emission Forklift Regulation Overview" (January 2026). https://ww2.arb.ca.gov/sites/default/files/2026-02/Fact%20Sheet_S%26LG%20ZEF%20Overview_Jan%202026.pdf
26. Office of the U.S. Trade Representative / White & Case LLP, "United States Finalizes Section 301 Tariff Increases on Imports from China" (2024–2025). https://www.whitecase.com/insight-alert/united-states-finalizes-section-301-tariff-increases-imports-china