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wushaw said:The F450 is a class 4 truck.
The 4500 is a class 4 truck.
Same with the F550 and 5500 only class 5.
You can't get a Cummins or Cat in any of these class 4 or 5 trucks.
GM only offers the 6.6 Duramax in the 4500/5500 which is the same displacement as any 2500/3500, the 1000 series is the same tranny as 2500/3500, only in the 5500 you can get the 2200 series Allison.
They are in the same class, just built by different companys with a different look and mechanics.
But the 1000 series 6 speed is head and shoulders better than a Ford Torqshift 5 speed tranny. It's an Allison guys, the biggest medium/heavy auto trans builder in the world.
They don't just have a "different look". There truly is more truck: more steel, more strength, bigger tires, better visibility, a more proven diesel, better trans, bigger rears and a much better cab. All those upgrades for a similar price.
It's more than just looks.
I'd actually even take a 4500 over an F-550 just to get the better trans, more proven diesel, better cab, bigger tires.
The 450/550 are just beefed-up pickups. The 4500/5500 share less in common with the 2500/3500. They are a more medium duty design, but can fit in most any place a lighter-duty 450/550 can!!!
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