Tesla is planning Fremont factory expansion for Model Y production

Tesla plans to expand its Model Y production lines at its Silicon Valley, California-based plant in Fremont.

There are several planned advances of “General Assembly 4.5,” which has been designated for Model Y production at the production facility, according to two applications which were spotted on Fremont’s Public Access website.

GA 4.5 has also been responsible for the production of the late 2018 Model 3 sedan. GA 4.5 is indeed an outdoor tent which Tesla placed outside the main building. It currently has 5 production lines, the first one built in September 2019. Tesla intended to extend GA 4.5 in April 2020 but had to find solutions for managing the drainage of storm water.

The applications are called “4.5 Expansion Rev 1” and “F20-0048-F DCM2 Arch & MEP.” DCM2 may apply to a second die-cast machine in GA 4.5, which will allow the Model Y to be produced with a single-piece casting design.

“The current version of Model Y has basically two big high-pressure die-cast [HPDC] aluminum castings that are joined, and there’s still a bunch of other bits that are attached. Later this year. We’ll transition to the rear underbody being a single-piece casting that also integrates the rear crash rails,” CEO Elon Musk said earlier this year.

The IDRA OL6100 CS, dubbed as the “Giga Press.” (Credit: IDRA)

In early June, Tesla announced it intended to buy the huge “Giga Press” for Model Y production. But now, the application’s name seems to suggest that Tesla is intending to build a second die-cast machine to boost output volume for the Model Y.

In addition, the application F20-0048-F DCM2 Arch & MEP shows Tesla’s expected expansion of a new “canopy system” to connect to the main assembly building.

The expansion is broken down into Mechanical, Process, and Controls.


“Process cooling water & natural gas piping distribution design from existing ab utility mains to new casting area outside. Industrial water to serve process equipment. New cooling tower & distribution pump added to existing ab cooling tower yard.”


“Installation of soft water system with distribution piping & accessories. Installation of new compressed air header with filters, distribution & accessories. Installation of new argon and nitrogen distribution with accessories. Installation of new trade waste piping from the tie point inside the building to dcm2 area with pipes, pumps & accessories.”


“Installation of new sensors on chilled water lines to monitor & control process Installation & networking of new VFD’s to provide control of cooling tower.”

Tesla is planning for a major Model Y crossover push as demand for the company’s vehicles keeps on rising. Since shipping 90,650 cars in Q2 2020, the next step is to fulfill rising production and delivery figures to maintain growth and improve the electric automaker’s consecutive string of profitable quarters.

In early June, Musk suggested to Fremont employees via email that the company needed to continue the increase of the Model Y production by indicating that rectifications would be reduced and everyone’s effort appreciated. “I want you to know that it really makes a difference to Tesla right now,” said the Tesla frontman in the email.

Upon dissecting the plans to manufacture the Standard Range Model Y due to flaws in the design, Tesla will concentrate on the vehicle’s Long Range and Performance versions, which have so far been widely successful within the community.

Tesla’s models of the Long Range and Performance Model Y are priced at $49,990 and $59,990, respectively.

Reported by Teslarati.

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