This is looking great so far. It'll be important to get the metal joints looking smooth, sub-d would be the best bet for this. Fortunately you have a ton of good reference (reverse-image searching on your ref board pointed to some ebay listings)
Hey there! Would you like to join the Critical Mass team? Building a physics-based multiplayer vehicular combat and shooter game. https://discord.gg/XRGxY3ypd
At Waveforce Studio, we are driven by a genuine passion for game art. Lead by Minh Pham - a 7year industry veteran alongside a core group of dedicated artists, we combine our love for aesthetics with strict technical standards. We are a lean studio delivering the perfect balance of high-end visuals and flawless…