I don't know, but if you wanted a CAT, wouldn't it be better (fit with other components, proper loading etc.) if you just ordered a GMC Topkick or Chevy Kodiak with one of the CAT motors?
It would not be as much fun though

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Caterpillar Engines</TD>
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LQA
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207 hp (154 kw) @ 2200 rpm and 520 lb-ft torque (720 N-m) @ 1,440 rpm Maximum engine Speed 2500 rpm
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A
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