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It was very interesting to see their numbers with the exact same TC that we have, the AF 990. Their CAT scale ticket was exactly 20 lbs less than ours. They have the same 3.73 gears. They reported average mpg's in "low to mid 10's". Assuming that means approx 10.3 mpg, that is about 0.2 better than we are getting with the 6.2 Ford. Virtually a tie on fuel efficiency, but the Ford doesn't have cylinder deactivation which would help if you drive around empty a lot, and has less power of course.
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44,026 PostsLatest Activity: Mar 03, 2025