H1 – Tow Tractor and Trailer – Rider Operated

Type 3:1 2:1 1:1
NOV EXP REF NOV EXP REF NOV EXP REF
AITT 15h 15h 7.5h 15h 15h 7.5h 7.5h 7.5h 3.75h
ITSSAR 22.5h 7.5h 7.5h 15h 6.25h 6.25h 11.25h 5h 5h
RTITB 8.5h 7.75h 6.75h 6.5h 6h 5.25h 4.5h 4.25h 4h