Newer Semi Tractor Trucks

Volvo VNL series,  670  (Volvo 3 types of engines)

Peterbilt 386

FREIGHTLINER COLUMBIA 120 (CL120)

Kenworth T2000

Truck operating expense
1. Payment, if any - car loan
2. Insurance, driving habit
3. Vehicle operating expense
     maintenance
     wear and tear items
     scheduled, expected repairs
     fuel tax