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 Technic - Camión de Carreras - 42041 : LEGO: Amazon.es: Juguetes y juegos
LEGO 42041 Race Truck Set Parts Inventory and Instructions - LEGO Reference Guide