Compression Ignition Addict
Join Date: Apr 2007
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I did the math to better grasp what your asking on this side of the pond...
4500 kgs equals 9,900 lbs
11,793 kgs equals 26,000+ lbs
13,608 equals kgs 29,900+ lbs
Unless you are going to be hauling in excess of 25,000 lbs, I don't understand why you would need a 450. I would recommend you study up on the 6.7 diesel, 6 speed tranny which has gear ratios as high as 3:31 on the F-350 which has capabilities close to what your looking for. The tranny's ability, and design is such that it can handle moving large amounts of weight from a dead start coupled with 800 lbs of torque gives you lots of options.
Are you increasing the size of your caravan substantially???
Whatever you decide, best wishes...
Driving: 2011 Pale Adobe...F-350 CC 6.7 FX4 3:55-Locking Rear End-Dual Alternators-premium Lariat, moon rf, added wheel flares, 2-tone black base
Picked up 4/29/10 as of 06/20/2012 109,000+miles