FAQ

Kei Truck FAQ: Answers to the Questions Buyers and Owners Ask Most

Updated October 13, 2026Reviewed by the Oiwa Garage team11 min read
Short answer

Kei Trucks are small Japanese work trucks that can be imported into the US once they are 25 years old, counted from their date of manufacture; as of October 2026, that means trucks built in October 2001 or earlier. Your state then decides whether you can register and drive one on public roads. Expect a 660 cc engine and a 350 kg (about 770 lb) rated load.

Mint green vintage Honda Acty Kei Truck parked in front of container cranes at a California port
Photo: Oiwa Garage
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Key facts

Import eligibility (October 2026)
Built in October 2001 or earlier
Who decides road use
Your state
Truck duty
25% under tariff heading 8704
Engine size limit
660 cc since 1990
Rated load (Japan)
350 kg (about 770 lb)

These are the questions Kei Truck buyers and owners ask most, answered briefly and grouped by topic, with each answer linking to the full guide. For the rules where you live, start with the Kei Truck laws hub. For the import process, read how to import a Kei Truck and the 25-year rule guide, and for money, the Kei Truck cost guide has a landed-cost calculator. If you already own one, the maintenance schedule is the place to start. Laws, tariffs and prices change, and these answers reflect what we found as of October 2026.

Importing and the 25-year rule

What is the 25-year rule for Kei Trucks?

Federal motor vehicle safety standards (FMVSS) don't apply to a vehicle that is at least 25 years old, under 49 U.S.C. 30112(b)(9). That exception is what lets Kei Trucks, which were never built to US standards, be imported legally. Age is counted from the date of manufacture, and the importer claims the exemption on the US Department of Transportation's HS-7 declaration form, box 1. Read more

Which Kei Trucks can be imported as of October 2026?

Trucks built in October 2001 or earlier, and one more month of production becomes eligible every month. That covers the classic 1990s generations from all five makers plus early builds of the 1999-on Carry, Acty, Hijet, Sambar and Minicab. The truck must already be 25 when it is entered at a US port, so plan shipping around its build date. Read more

How do you confirm a Kei Truck's build month?

Ask the seller for the build date tied to the chassis number, with photos of the truck's plates and paperwork. The Japanese export certificate shows the first-registration date, which usually comes after the build date, so it isn't proof of age on its own. If nobody can show a build month, treat the truck as unverified. Read more

What paperwork do you need to import a Kei Truck?

Expect the export certificate with a certified English translation, the bill of sale, the bill of lading, an Importer Security Filing (ISF) for ocean freight, the customs entry, the HS-7 safety declaration (box 1 covers 25-year-old vehicles), and the Environmental Protection Agency's Form 3520-1 (code E covers vehicles at least 21 years old in original form). Keep copies for your DMV. Read more

What import duty do you pay on a Kei Truck?

Customs classifies most Kei Trucks under tariff heading 8704, which carries a 25% duty on the price paid for the truck, plus a small Merchandise Processing Fee and Harbor Maintenance Fee. Vans classified as passenger vehicles pay a different rate. Tariff rules have shifted since 2025, so confirm the total with a licensed customs broker before you buy. Read more

Is a licensed customs broker required for a Kei Truck import?

Not by law, since you can clear the truck yourself as the importer of record, but most first-time importers hire a licensed customs broker. Either way, the Importer Security Filing must be sent electronically, so you need someone who can file it. A broker also catches classification and paperwork problems before they turn into port storage fees. Read more

How long does it take to import a Kei Truck?

Plan on roughly 6-12 weeks from payment to driveway, though it varies with export paperwork, shipping schedules, the port and inland transport. Ships can run late and missing papers add storage fees, so line up your broker and your state's title requirements before the truck sails. Leave margin if the truck is close to its 25-year date. Read more

Buying and costs

What should you budget for a Kei Truck?

As a rough guide for 2026, running Kei Trucks sell for about $6,000-12,000 from US sellers, and importing one yourself typically comes to about $5,500-9,500 once it is titled and serviced. Rare trims and very clean trucks cost more. Exchange rates, tariffs and freight move these numbers, so run your own figures in our landed-cost calculator. Read more

Is it cheaper to import a Kei Truck yourself?

Often, but you take on the work and the risk: buying from photos and an auction sheet, arranging shipping and customs, and waiting weeks. A truck already in the US usually costs more, but you can inspect and drive it first, and its import paperwork should already exist. Compare both routes on total cost, not sticker price. Read more

What should you check before buying a used Kei Truck?

Start underneath: frame rails, cab corners and the bed floor, because rust is what ends these trucks. Then ask for timing belt records, test 4WD, low range and any diff lock, feel for clutch slip and gear grinding, watch the temperature gauge on a long drive, and confirm the import paperwork matches the chassis number. Read more

What paperwork should come with an imported Kei Truck?

Ask for the EPA 3520-1 and DOT HS-7 declarations, the US Customs and Border Protection (CBP) entry summary (form 7501) or release, the Japanese export certificate with an English translation, and a bill of sale. The chassis number should match on every document and on the truck. Missing import papers can make titling slow or impossible in some states. Read more

What is a Japanese auction sheet?

It is the inspection report written for a vehicle sold at a Japanese dealer auction. It gives an overall grade, an interior grade, a body diagram marked with letter-and-number codes for scratches, dents, rust and repairs, plus mileage and inspector comments. Learning to read one is the best protection when you buy a truck from photos. Read more

What does a Kei Truck cost to run?

Fuel is the small part: owners commonly report 35-45 mpg on regular gasoline. Add insurance, registration, which runs from a few dollars to a few hundred a year depending on the state, and maintenance. Budget extra in the first year for an arrival service, because timing belts and fluids are usually overdue on a newly imported truck. Read more

Models

Which Kei Truck is best to buy?

It depends on the job. The Suzuki Carry has the deepest US parts support, the Honda Acty puts its engine under the bed for a quieter cab, the Subaru Sambar offers a rear-mounted four-cylinder and supercharged versions, the Daihatsu Hijet is the usual source of dump beds and Jumbo cabs, and the Mitsubishi Minicab is often the budget buy. Read more

What engine does a Kei Truck have?

Every Kei Truck built from 1990 on has an engine of 660 cc or less, the Japanese Kei class limit. Most are three-cylinders, while the Subaru Sambar's EN07 is a four-cylinder. Naturally aspirated versions make roughly 38-50 PS (metric horsepower) on Japanese spec sheets, and makers held turbo and supercharged versions to a voluntary industry cap of 64 PS. Read more

How fast can a Kei Truck go?

Owners report that most stock trucks cruise comfortably around 50-55 mph and top out somewhere between the mid-60s and low 70s, depending on gearing, load and engine. Your legal limit may be lower: some states restrict Kei Trucks to roads below a set posted speed, such as North Carolina's 55 mph, and many bar interstates. Read more

How much can a Kei Truck carry?

Japanese makers rated these trucks for 350 kg (about 770 lb) of cargo, with the two occupants counted separately. The bed on 1999-and-later trucks measures about 1,940 by 1,410 mm (76 by 55 inches), with drop-down sides on the left, right and rear. Overloading strains brakes, springs and tires that were sized for that rating. Read more

Do Kei Trucks come with 4WD and automatic transmissions?

Yes to both, though manual 4WD trucks are far more common. Most 4WD versions use a part-time system, often with a high and low range or an extra-low first gear, and some work trims add a rear diff lock. Automatics exist, usually three-speed units, which run at higher revs on the road than a five-speed manual. Read more

How is a Kei Van different from a Kei Truck?

They share engines and running gear, but a Kei Van replaces the open bed with an enclosed body, sliding side doors and often rear seats. Vans suit weatherproof cargo, small businesses and camper builds, while trucks are lighter and simpler for farm work. Check van sills and door tracks closely, because they trap water and rust. Read more

Are Mazda, Nissan or Toyota Kei Trucks different?

Mostly they are rebadges. The Mazda Scrum truck is a Suzuki Carry with different badges. Nissan's Clipper truck was based on the Mitsubishi Minicab from 2003 and on the Carry from late 2013, and the Toyota Pixis Truck and 2012-on Subaru Sambar are Daihatsu Hijets. Those later rebadges are too new to import under the 25-year rule. Read more

Ownership and parts

Where can you buy Kei Truck parts in the US?

Oiwa Garage, which publishes this site, stocks parts for the Honda Acty, Subaru Sambar, Daihatsu Hijet, Suzuki Carry and Mitsubishi Minicab, organized by chassis code. Less common genuine parts can be ordered from Japan with longer lead times. Always order by chassis code, such as DD51T or HA4, rather than by model year. Read more

When is a Kei Truck timing belt due for replacement?

A common rule of thumb for these engines is every 100,000 km (about 62,000 miles) or 10 years, whichever comes first, and right away if a newly imported truck has no dated receipt. Swap the tensioner and water pump at the same time. The manual for your exact chassis has the final word. Read more

Can a regular mechanic work on a Kei Truck?

Yes. The engines are simple and metric, though access is tight because most sit under the seats or the bed rather than under a hood. The hurdles are parts and information: bring the service manual, order parts by chassis code ahead of time, and use Japanese Industrial Standard (JIS) screwdrivers, since Japanese cross-head screws strip easily with Phillips drivers. Read more

What are the best first upgrades for a Kei Truck?

Service first, then tires, then a modest lift if you need the clearance. Fresh light-truck tires in the right load range change how the truck grips and rides, and common bolt-on lift kits add about 1.5-2 inches. Keep lighting road-legal, register the truck stock, and check your state's rules before bigger changes. Read more

Are Kei Trucks good in snow?

With 4WD and proper winter tires, yes. They are light, many have a low range, and the narrow track suits plowed farm lanes. Light weight also limits traction on ice, so carry some weight low in the bed within the rated load. Rinse off road salt often, because rust is the biggest long-term threat to these trucks. Read more

Can you put a camper on a Kei Truck?

Yes, if the camper and everything in it, including water, gear and supplies, stays within the truck's 350 kg (about 770 lb) rated load. Light shells and cabins are the norm. Anchor the camper to the frame rather than the bed's rope hooks, keep weight low and forward, and never use a portable gas camp stove inside it. Read more

Where can you find a manual for your Kei Truck?

Start with the chassis code on the truck's ID plate, since one model name covers several generations. Oiwa Garage carries factory service manuals, wiring diagrams and parts catalogs for many 1990s Kei Truck chassis, covering torque specs, fluid capacities and service intervals. Many are Japanese factory documents, so check each listing's language before you order. Read more

Sources

  1. 49 U.S.C. 30112, including the 25-year exception at (b)(9) (Cornell LII)
  2. 49 CFR 591.5, Declarations required for importation (Cornell LII)
  3. EPA Form 3520-1, Importation of motor vehicles and engines (code E)
  4. North Carolina G.S. 20-121.1, Mini-trucks
  5. EPA: E15 fuel registration