How do the operating costs of a 16-ton load and
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an 18-ton load artic compare and what increased mileage would have to be run by the larger vehicle before its operating costs per mile were brought down to the level of the 16-tonner?
AStarting off at a relatively low average
weekly mileage for this size of vehicle. the operating cost per mile at 600 miles would be 30.56d. for the 16-tanner compared with 32.95d. for the 18-tonner.
When the weekly mileage is raised to 800 the respective operating costs per mile are 27.01d. and 29.13d., from which it will be seen that the latter cost for the 18-tonner is lower than the corresponding cost for the 16-tonner at 600 miles per week.
Taken a stage further, at 1,000 miles a week the respective operating costs per mile are: 16-tonner 25.06d. and 18-tonner 27.01d., which by a coincidence is identical to the operating cost for the smaller vehicle at 800 miles a week.
A qualification: Fully loaded running is assumed for the above figures.