Finished building my Tata T1 Prima racing truck with all the instructions ( 42041 redesign). My original prototype had minor errors in it but now it has been perfected and PDF instructions available :
42041 – Race Truck – RC – Muuss Lego
LEGO MOC Mini Race Truck (42041/8041) by offroadcreations | Rebrickable - Build with LEGO
LEGO TECHNIC: Race Truck (42041) for sale online | eBay