Fleet deliveries began September 2026; sold to fleets by quote, with no public price list or consumer ordering

Tesla Semi

Tesla's battery-electric Class 8 tractor, shown in 2017 and built in volume from 2026, is the company's attempt to apply its car technology (high-voltage batteries, Plaid-derived motors, megawatt charging) to the heaviest trucks on the highway.

The story of the Semi

On November 16, 2017, Elon Musk stepped onto a stage in Hawthorne, California, to show a truck instead of a car. The Tesla Semi was a Class 8 tractor with the driver seated in the middle of the cab, a touchscreen on each side and no diesel engine. Tesla said it would haul a full 80,000-pound load from 0 to 60 mph in 20 seconds, climb a 5 percent grade at 65 mph where a diesel truck would manage about 45 mph, and travel 500 miles at highway speed on a charge. Prices were set at $150,000 for a 300-mile version, $180,000 for the 500-mile version and $200,000 for a Founders Series truck.

The pitch was technical as much as financial. Tesla said the truck used less than 2 kWh of energy per mile, that a new network of Megachargers would add about 400 miles of range in 30 minutes, and that independent motor control would make jackknifing impossible; Equipment World's headline on the unveiling quoted Tesla's claim that the truck was "impossible to jackknife." The show car had four independent motors on its rear axles, and Tesla claimed a drag coefficient of 0.36, against roughly 0.6 for a typical tractor.

Turning that promise into a truck customers could run took five years. The first deliveries came on December 1, 2022, at Tesla's Nevada factory near Reno, where Musk drove one of three trucks in front of the crowd; two wore PepsiCo and Frito-Lay colors. Days earlier Musk had posted that a Semi had completed a 500-mile trip on one charge at a total weight of 81,000 pounds, and Tesla released footage of a loaded run from Fremont to San Diego. The production design had changed under the skin: three motors instead of four, one tuned for efficient cruising and two that join in for acceleration and hills, all running on a new 1,000-volt architecture. TeslaOracle's report on the night carried Musk's verdict in its headline: "It's a beast."

For the next three years the Semi was a pilot-production truck. PepsiCo ran 36 of them from Sacramento and Modesto by the end of 2022, charged on 750 kW Tesla stalls, and added a larger fleet in Fresno in 2024. In September 2023 the North American Council for Freight Efficiency's Run on Less event tracked PepsiCo's trucks, and one covered 1,076 miles in 24 hours with mid-shift charging. The program also had setbacks: a 35-truck recall for a parking brake valve module in March 2023, and an August 2024 crash on Interstate 80 in which a Tesla-operated Semi left the road near Emigrant Gap, California, and its battery burned. Firefighters used about 50,000 gallons of water, and the NTSB opened its investigation into the fire risks of large lithium-ion packs.

In November 2025 Tesla showed a refreshed Semi with a full-width light bar, a smoother nose and a quoted 1.7 kWh per mile, and in February 2026 it published production specifications: a Long Range truck rated for 500 miles at 82,000 pounds gross combination weight with a 23,000-pound curb weight, a Standard Range truck rated for about 325 miles, three rear motors with 800 kW of drive power, and Megawatt Charging System support up to 1.2 MW. Tesla has not published a price. Fleets order through a request form rather than a public configurator, and reported quotes had climbed to about $290,000 for the Long Range. The first truck came off a new high-volume line in Nevada on April 29, 2026, and on September 24, 2026, at the Sparks factory, Tesla said deliveries to its first volume customers, including PepsiCo, DHL and US Foods, were beginning, which Tesla says can build 50,000 Semis a year. Electrek's headline summed up the timing: volume production arrived seven years behind the original schedule.

How it works

Drivetrain: three motors with different jobs

The 2017 show truck had four independent motors on its rear axles, and Tesla said they let it reach 60 mph in 5 seconds without a trailer and in 20 seconds with a full 80,000-pound load. By the December 2022 delivery event the layout had changed to three motors, a drivetrain Tesla described as closely related to the one in the Model S and Model X Plaid.

The three motors do not share the work evenly. One is geared for peak efficiency at highway speed and does the cruising. The other two add torque for acceleration and climbing and can disengage when they are not needed, which Tesla says happens seamlessly. Like the Plaid motors, the Semi's rotors are wrapped in carbon-fiber sleeves, which hold the spinning rotor together at high speed.

Tesla's loaded performance claims have stayed close to the 2017 numbers: 0 to 60 mph in 20 seconds at 82,000 pounds, and enough power to pull that weight up a 6 percent grade. The 2026 production specification rates the drive power at 800 kW from the three rear motors, roughly 1,070 horsepower.

Sources: Motor1: Tesla Semi 0-60 in 5 seconds, 500 miles (2017); The Autopian: Semi reaches customers with promising figures (2022); 42how: Semi delivery, 1000V architecture, carbon-sleeved motors; Electrek: Tesla reveals final Semi specs with two trims (Feb 2026)

Battery, voltage and energy use

The Semi was the first Tesla to run on a 1,000-volt architecture. Doubling voltage halves the current for the same power, and resistive losses scale with the square of the current, so less energy is lost as heat in the cables and motors.

Tesla did not publish pack sizes for years. At the 2022 event Musk estimated around 900 kWh for the 500-mile truck. A California Air Resources Board filing reported in May 2026 put the usable capacity at 822 kWh for the Long Range and 548 kWh for the Standard Range, both using Tesla's 4680 cells with a nickel-cobalt-manganese-aluminum chemistry.

Energy use claims have tightened over time. In 2017 Tesla quoted less than 2 kWh per mile. The 2026 specification quotes 1.7 kWh per mile for both trims, and Tesla said the redesigned truck shown in November 2025 was about 15 percent more efficient than the original. Dividing the CARB pack figures by the rated ranges gives about 1.64 kWh per mile for the Long Range and about 1.69 for the Standard Range.

Sources: InsideEVs: Tesla launches 1,000-volt powertrain, Semi first; Electrek: Semi battery sizes confirmed, 822 kWh and 548 kWh (CARB); electrive: Tesla Semi features 822 kWh battery capacity; SlashGear: Tesla Semi revealed (2017 energy claim); Drive Tesla Canada: updated Semi design and improvements (Nov 2025)

Charging: from Megacharger to MCS

In 2017 Tesla promised Megachargers that would add about 400 miles of range in 30 minutes. At the 2022 delivery event it said the Semi could charge at 1 megawatt and reach 70 percent in 30 minutes, using liquid-cooled cables to handle the heat. PepsiCo's first depots in Sacramento and Modesto used four 750 kW Tesla stalls each.

The production truck moved to the industry's Megawatt Charging System. The 2026 specification lists MCS 3.2 support for both trims, a 1.2 MW peak for the Long Range and 60 percent in 30 minutes. Tesla's second-generation charger hardware supports MCS and 1.2 MW, while the first generation topped out at 750 kW.

Tesla also sells the charging equipment to fleets. In May 2026 it introduced a lower-power Basecharger for depots and listed the Megacharger at $188,000. In July 2026 it opened its first public Megacharger with 1.2 MW stalls in California, and a second public site with six 1.2 MW stalls opened in Vernon, California, in August.

Sources: SlashGear: 2017 Megacharger claim; 42how: 1MW+ charging at the 2022 event; CNBC: PepsiCo using 36 Tesla Semis, 750 kW stalls; Not a Tesla App: Tesla announces specs for the Semi; Electrek: Basecharger launched, $188,000 Megacharger; electrive: first public 1.2 MW Megacharger in California; EVChargingStations: second public Tesla Megacharger is live

Cab and controls

The driver sits in the center of the cab, which gives an even view to both sides and makes sense in a vehicle that rarely carries a passenger. Two touchscreens flank the steering wheel, one on each side, and show navigation, blind spot monitoring and trip data. The center seat and twin screens carried over from the 2017 prototype to the 2026 production truck.

Regenerative braking changes how the truck is driven. A veteran trucker who drove a Semi for FreightWaves said regeneration took the most getting used to and that he touched the brake pedal only once or twice in the whole drive, slowing the truck by lifting off the accelerator. Less friction braking means less brake wear, although Tesla has not published service intervals for Semi brakes.

The production spec adds an electric power take-off of up to 25 kW, which can run refrigeration units or hydraulic equipment from the battery instead of a separate diesel engine.

Sources: EnergySage: Tesla Semi overview (cab layout, screens); Not a Tesla App: FSD is coming to the Semi (cab and cameras); FreightWaves: a veteran trucker's review of the Semi; Not a Tesla App: Semi specs including ePTO

Safety systems and driver assistance

Jackknifing, where a trailer swings around and folds toward the cab, was the safety problem Tesla chose to headline in 2017. With a motor on each driven wheel, the truck can sense instability and adjust torque wheel by wheel to keep the trailer in line, and Tesla described the truck as impossible to jackknife.

Tesla also listed Enhanced Autopilot for the 2017 truck, with automatic emergency braking, automatic lane keeping, lane departure warning and event recording. The 2026 truck carries 10 external cameras and a cabin camera. They currently support active safety features such as automatic emergency braking, and Tesla has said Full Self-Driving is coming to the Semi; trucks with autonomy validation equipment were spotted in June 2026.

Sources: Equipment World: impossible to jackknife (2017); EnergySage: Tesla Semi overview (Enhanced Autopilot, jackknife prevention); Not a Tesla App: Tesla confirms FSD is coming to the Semi; Tesla Oracle: Semi spotted with autonomous validation equipment

Aerodynamics and the 2025 redesign

Tesla claimed a drag coefficient of 0.36 for the 2017 Semi, compared with about 0.6 for a typical Class 8 truck, a figure closer to a crossover SUV than a tractor. The center driving position helps: it lets the cab narrow and slope at the front without crowding the driver.

In November 2025, at Tesla's annual shareholder meeting, the company showed a refreshed Semi with headlights built into a horizontal light bar, a redesigned bumper and a flatter frunk lid. Semi program lead Dan Priestley said the new front end was more aerodynamic, simpler to build, easier to repair and used more components from Tesla's cars, and Tesla tied the update to better efficiency and payload.

Sources: EnergySage: Tesla Semi overview (drag coefficient claim); TeslaNorth: redesigned Semi with Model Y-style light bar; Drive Tesla Canada: updated Semi design and improvements; InsideEVs: the Tesla Semi gets a Cyber makeover

Real-world fleet data

PepsiCo was the first and largest operator. It ran 36 Semis by December 2022, 15 in Modesto and 21 in Sacramento, and added 50 more at its Fresno site in May 2024. In August 2023 the company cited consumption of about 1.1 kWh per kilometer, roughly 1.7 kWh per mile.

The North American Council for Freight Efficiency put PepsiCo's Sacramento trucks in its Run on Less Electric DEPOT study in September 2023, which tracked 22 battery-electric trucks at 10 depots over three weeks. One Semi covered 1,076 miles in 24 hours across two driving shifts with mid-shift charging, and another covered 1,600 miles in a little under 48 hours. Reported single-charge distances differ: 410 miles in one summary and 384 miles in another.

Later pilots reported lower energy use. ABF Freight's three-week pilot on the Reno to Sacramento corridor in 2025, which included climbs over Donner Pass at about 7,200 feet, logged 4,494 miles at an average of 321 miles a day and about 1.55 kWh per mile, and ABF then bought two Semis.

Sources: CNBC: PepsiCo is using 36 Tesla Semis; electrive: PepsiCo cites 1.1 kWh/km for Tesla Semi; Trucking Info: Tesla Semis shine on PepsiCo's long-haul electric routes; Transport Topics: Run on Less event results; CCJ: ABF Freight's Tesla Semi pilot

Recalls and the 2024 battery fire

The Semi's first recall, 23V-205 in March 2023, covered 35 model year 2023 trucks built between November 30, 2022, and February 28, 2023. A supplier's parking brake valve module could fail to engage or release the parking brakes as intended, and Tesla replaced the module. A second 2023 recall covered about 36 trucks whose door-open warning did not display correctly and was fixed with an over-the-air update.

On August 19, 2024, at about 3:13 a.m., a 2024 Semi driven by a Tesla employee from Livermore, California, to Tesla's facility in Sparks left eastbound Interstate 80 on a right-hand curve near Emigrant Gap, hit a delineator post and a tree, and came to rest on a slope. Its lithium-ion battery caught fire after the crash. Firefighters used about 50,000 gallons of water as the battery kept reigniting, and the interstate was closed for more than 12 hours. The NTSB investigation focused on fire risks of large lithium-ion batteries. The NTSB had not published a probable cause as of October 2026.

Sources: NHTSA Part 573 Safety Recall Report 23V-205; InsideEVs: Tesla Semi sees first recall; VitalLaw: Tesla recalls Semi vehicles due to door closure warning problem; NTSB investigation HWY24FH015; CBS Sacramento: Tesla Semi fire took 50,000 gallons of water

Generations

2022–2025 Pilot production (2022-2025)

The original production Semi, built in small numbers in Nevada and run mostly by PepsiCo and pilot fleets, with three motors, a 1,000-volt system and a 500-mile rating at 82,000 pounds.

The first production Semis were delivered to PepsiCo on December 1, 2022, at Tesla's factory near Reno, Nevada, five years after the unveiling. These trucks were built in small numbers, and Tesla's first-quarter 2026 update still listed the Semi in pilot production.

The pilot truck kept the 2017 layout of a center seat and two touchscreens but changed the drivetrain. Instead of four motors it used three, derived from the Model S and Model X Plaid, with one motor for efficient cruising and two that engage for acceleration and grades. The whole system ran at 1,000 volts, a first for Tesla. Tesla quoted 0 to 60 mph in 20 seconds at 82,000 pounds, the ability to pull that load up a 6 percent grade, and charging at up to 1 MW to 70 percent in 30 minutes. Tesla never published the pack size; Musk estimated around 900 kWh for the 500-mile version.

PepsiCo became the reference customer. It had 36 trucks working out of Modesto and Sacramento by mid-December 2022, charged on 750 kW stalls, received another batch in April 2023 and added 50 at Fresno in May 2024. In the NACFE Run on Less study in September 2023, one of its Semis covered 1,076 miles in 24 hours with mid-shift charging, and PepsiCo reported average consumption around 1.7 kWh per mile.

The period also brought the truck's first recalls, both in 2023 (a parking brake valve module on 35 trucks and a door warning display on about 36), and the August 2024 crash and battery fire on Interstate 80 near Emigrant Gap, which the NTSB investigated. In 2025 other fleets ran pilots; ABF Freight logged 4,494 miles over three weeks between Reno and Sacramento at about 1.55 kWh per mile. The generation ended with Tesla's November 2025 preview of the redesigned truck.

2026–present Volume production (2026-)

The redesigned Semi built on a dedicated high-volume line in Sparks, Nevada, offered as Standard Range and Long Range trucks with MCS charging up to 1.2 MW.

Tesla previewed the second-phase Semi at its annual shareholder meeting in November 2025. The front end gained a full-width light bar in the style of the latest Model Y and the Cybercab, a new bumper and a flatter frunk lid. Semi program lead Dan Priestley said the changes made the truck more aerodynamic, cheaper to build and easier to repair, and Tesla quoted 1.7 kWh per mile, about 15 percent better than the original, with 4680 cells in the pack.

In February 2026 Tesla published two trims. The Long Range is rated for 500 miles at 82,000 pounds gross combination weight, weighs 23,000 pounds empty and charges at up to 1.2 MW. The Standard Range is rated for about 325 miles and weighs under 20,000 pounds. Both have three rear motors with 800 kW of drive power, MCS 3.2 charging to 60 percent in 30 minutes and an electric power take-off of up to 25 kW. A May 2026 CARB filing put usable capacity at 822 kWh and 548 kWh. Fleets were quoted about $290,000 for the Long Range and $250,000 for the Standard Range, while California's HVIP voucher program listed $300,000 and $260,000.

Tesla's fourth-quarter 2025 update said Semi tooling was in place in Nevada, with the production ramp due to start in the first half of 2026. The first truck came off the high-volume line on April 29, 2026, and on September 24, 2026, Tesla held an invitation-only rollout at the Sparks factory and said deliveries to PepsiCo, DHL, US Foods and other fleets were beginning. The truck is sold to fleets by quote; Tesla has not published a price. Tesla says the plant can build 50,000 Semis a year. The production truck carries 10 external cameras and a cabin camera for active safety, and Tesla has said Full Self-Driving will come to the Semi. A public charging network built on 1.2 MW Megachargers began opening in California in July 2026.

Variants

Years Variant Drive Battery Rated range 0–60 mph Top speed Price
Announced 2017 (not built in this form) Semi 300-mile (2017 reservation) Four independent rear motors (80,000 lb GCW) — 300 mi 20 s loaded (Tesla claim for the 2017 truck) — $150,000
Announced 2017 (not built in this form) Semi 500-mile (2017 reservation) Four independent rear motors (80,000 lb GCW) — 500 mi 20 s loaded, 5 s without trailer (Tesla claim) — $180,000 ($200,000 Founders Series)
2022-2025 Semi (pilot production) Three rear motors (one cruise, two acceleration) (82,000 lb GCW, charges up to 1 MW) About 900 kWh (Musk estimate, not an official figure) 500 mi 20 s at 82,000 lb — —
2026- Semi Standard Range Three independent rear motors (82,000 lb GCW, 800 kW) 548 kWh usable (CARB) 325 mi — — Reported quote about $250,000 (HVIP lists $260,000)
2026- Semi Long Range Three independent rear motors (82,000 lb GCW, 800 kW, charges up to 1.2 MW) 822 kWh usable (CARB) 500 mi 20 s loaded — Reported quote about $290,000 (HVIP lists $300,000)

Each variant name links to the source for its figures. A dash means no reliable published figure. Rated range is Tesla's figure at full gross combination weight; trucks are not EPA-rated.

What changed, year by year

  1. 2017 Unveiled in Hawthorne

    Tesla showed the Semi on November 16, 2017, with four rear motors, a center seat, a 500-mile range claim and reservation prices of $150,000 (300 miles), $180,000 (500 miles) and $200,000 (Founders Series).

    Source
  2. 2022 500-mile loaded run

    In late November 2022 Musk posted that a Semi had completed a 500-mile trip on one charge at 81,000 pounds, and Tesla released footage of a loaded run from Fremont to San Diego.

    Source
  3. 2022 First deliveries to PepsiCo

    Tesla delivered the first Semis to PepsiCo on December 1, 2022, at its Nevada factory. The production truck used three motors and a 1,000-volt architecture.

    How to recognize it: Three motors instead of the four shown in 2017; otherwise the same center-seat cab.

    Source
  4. 2023 First recalls

    Recall 23V-205 replaced the parking brake valve module on 35 trucks built from November 30, 2022, to February 28, 2023. A second recall fixed the door-open warning on about 36 trucks by software update.

    Source
  5. 2023 Run on Less study

    In September 2023 NACFE tracked PepsiCo's Sacramento Semis; one covered 1,076 miles in 24 hours with mid-shift charging.

    Source
  6. 2024 Interstate 80 crash and battery fire

    On August 19, 2024, a Tesla-operated Semi left I-80 near Emigrant Gap, California, and its battery burned. Firefighters used about 50,000 gallons of water and the NTSB investigated.

    Source
  7. 2025 Fleet pilots and redesign preview

    ABF Freight ran a three-week pilot between Reno and Sacramento at about 1.55 kWh per mile. In November 2025 Tesla showed a redesigned Semi with a light bar and a 1.7 kWh per mile rating.

    How to recognize it: Full-width horizontal light bar across the nose with integrated headlights.

    Source
  8. 2026 Standard Range and Long Range specs

    In February 2026 Tesla published two trims: Long Range (500 miles, 23,000 lb curb weight, 1.2 MW charging) and Standard Range (about 325 miles, under 20,000 lb), both with 800 kW and MCS 3.2 charging. Reported pricing was about $250,000 and $290,000.

    Source
  9. 2026 Volume production in Sparks

    The first Semi left the high-volume line on April 29, 2026. At a rollout event at the Sparks factory on September 24, 2026, Tesla said deliveries to its first volume customers, including PepsiCo, DHL and US Foods, were beginning that week, and that the plant can build 50,000 a year. It did not announce a public price.

    Source
  10. 2026 Public Megachargers open

    Tesla opened its first public 1.2 MW Megacharger in California in July 2026 and a second public site in Vernon, California, in August.

    Source

Did you know

Story From NUMMI to Cybercab: How Tesla Built Its Factories A shuttered joint venture plant in California, a battery factory in the Nevada desert, and new plants in Shanghai, Germany and Texas turned a small carmaker into one of the world's largest manufacturers, and a factory in Mexico still waits.

Semi links

Sources

  1. CNBC: Tesla Semi truck has a 500-mile range (2017)
  2. Motor1: Tesla Semi does 0-60 in 5 seconds (2017)
  3. SlashGear: Tesla Semi revealed (2017)
  4. Equipment World: impossible to jackknife (2017)
  5. EnergySage: Tesla Semi overview
  6. Wikipedia: Tesla Semi (2017 prices)
  7. YouTube: Tesla Semi Delivery Event, December 1, 2022 (livestream)
  8. CBS News: Tesla delivers electric semis to PepsiCo
  9. Tesla Oracle: Musk says It's A Beast
  10. New Atlas: Semi hits the highway with 500-mile range
  11. InsideEVs: 1,000-volt powertrain
  12. The Autopian: Semi delivery figures
  13. 42how: Semi delivery technical summary
  14. CNBC: PepsiCo is using 36 Tesla Semis
  15. Electrek: new Semi fleet for PepsiCo (2023)
  16. Trucking Info: Semis on PepsiCo's long-haul routes
  17. Transport Topics: Run on Less results
  18. electrive: PepsiCo cites 1.1 kWh/km
  19. CCJ: ABF Freight's Tesla Semi pilot
  20. FreightWaves: veteran trucker's Semi review
  21. NHTSA recall 23V-205
  22. InsideEVs: first Semi recall
  23. VitalLaw: Semi door warning recall
  24. NTSB investigation HWY24FH015
  25. CBS Sacramento: 50,000 gallons of water
  26. TeslaNorth: redesigned Semi (Nov 2025)
  27. Drive Tesla Canada: Semi improvements (Nov 2025)
  28. InsideEVs: Semi Cyber makeover
  29. Tesla Q4 and FY 2025 Update
  30. Tesla Q1 2026 Update
  31. Tesla Q2 2026 Update
  32. FreightWaves: Semi progress in Q4 2025 results
  33. Electrek: final Semi specs (Feb 2026)
  34. Not a Tesla App: Semi specs
  35. Overdrive: 23K pounds for Long Range
  36. Electrek: Semi price revealed, $290,000
  37. Teslarati: Semi pricing and trims
  38. Electrek: Semi battery sizes (CARB)
  39. electrive: 822 kWh battery
  40. Electrek: Basecharger and $188,000 Megacharger
  41. electrive: first public 1.2 MW Megacharger
  42. EVChargingStations: second public Megacharger
  43. Not a Tesla App: FSD coming to the Semi
  44. Tesla Oracle: Semi with autonomy validation equipment
  45. Electrek: first truck off high-volume line (April 2026)
  46. Transport Topics: first Semi off high-volume line
  47. CNBC: Nevada Semi factory opening (Sept 2026)
  48. Quartz: Nevada Semi factory targeting 50,000 a year
  49. Electrek: Semi enters volume production
  50. Fox Business: Semi deliveries begin with PepsiCo and DHL
  51. TechCrunch: Tesla finally moves to electrify trucking after a decade of work and delays (Sept 25, 2026)
  52. Reuters via Investing.com: Tesla set to formally roll out Semi electric trucks at Nevada event
  53. TeslaSemi.com: Semi price, incentives and total cost of ownership 2026

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