Hello. I am listing some best laptops which is very helpful for mechanical engineers:-

1) Asus Vivo Book Pro

CPU: 8th Generation Intel Core i7-8565U

RAM: 16GB Storage: 256GB SSD + 1TB HDD

Display: 17.3″ Full HD Wide View display

Weight: 4.6 Pounds

Link - https://www.amazon.in/s?k=ASUS+VivoBook+Pro+Thin+%26&tag=fd251in-21

2) Acer Aspire E 15 Laptop

CPU: 8th Generation Intel Core i7-8550U

RAM: 8GB

Storage: 256GB SSD

Display: 15.6 inches Full HD widescreen LED-lit

3) Acer Aspire 7 Casual Gaming

CPU: 8th Generation Intel Core i7-8750H 6-Core

RAM: 8GB DDR4 at 2400 MHz

Storage: 128GB SSD & 1TB HDD

Display: 15.6″ Full HD (1920 x 1080)

3) Dell G5 15 Gaming Laptop

CPU: 9th Gen Intel Core i7-9750h

RAM: 16GB

Storage: 256GB SSD + 1TB SATA HDD

Display: 15.6-Inch FHD Anti-Glare LED backlight

Hope that helps!