This concept race truck cab has a plastic body with a metal base, plastic windows, interior, and engine behind the cab.
Semi-Fast (a) a. red, metal base, tinted windows, black int., gray engine, chrome upper grille, black and white design w/“17” in circle on sides, sp5. 1999 First Editions #914 $2 – 3
 a2. red, as a, red upper grille, 1999 First Editions #914 2 – 5
Semi-Fast (b) b. black, as a, red cab, sp5. 1999 First Editions #914 2 – 3
Semi-Fast (c) c. blue and white, mf silver metal base, clear windows, gray int., yellow, black and white design w/“17” on sides, sp5, Ch. Virtual Collection, #118 (2000) 2 – 3
c2. blue and white, as c, Mal. #118 (2000) 2 – 3
Semi-Fast (d) d. aqua and white, mf gray base, lt. green, yellow and black design w/“KH” and “Kieran Hauling” on sides, sp5, Ch. #189 (2001) 2 – 3
Semi-Fast (e) e. orange and white, gray int., blue windows, dk. blue, white and orange design with “12” and race decals on sides, sp5, Mal. Victory Lane 5-pack (2001) 2 – NA
Semi-Fast (f) f. clear dk. red and black, mf gray metal base, gray int., yellow windows, black design on sides, sp5, Ch. #235 (2001) 2 – 3
Semi-Fast (g) g. blue and black, gold metal base, gold chrome engine and int., yellow windows, gold, white and blue design on cab w/“Volley”, sp5gd, Th. Sports 5-pack (2002) 2 – NA
Semi-Fast (h) h. purple, metal base, gray engine and int., tinted windows, black, red, yellow, and green design on sides, “Final Run Hot Wheels 04” on roof, sp5, Th. Final Run #135 (2004) 1 – 3
Semi-Fast (h2) h2. purple, as h, sp5 Mal. Final Run (2004) 1 – 3

Bonus PIcture 
a2 Front grille