Dynaquest 37RB XL 450HP Diesel vs Legacy 340BH 340HP Cummins: 5-year value retention (63% vs 63%), resale value, and cost of ownership head-to-head. Dynaquest 37RB XL 450HP Diesel holds its value better.
On five-year value retention the Dynaquest 37RB XL 450HP Diesel comes out ahead, holding about 63% of its value versus 63% for the Legacy 340BH 340HP Cummins. Over the first five years the Dynaquest 37RB XL 450HP Diesel loses roughly $176,407 while the Legacy 340BH 340HP Cummins loses about $90,530 — a gap near $-85877.
First-year drop is the biggest factor: the Dynaquest 37RB XL 450HP Diesel sheds about 12% in year one versus 7% for the Legacy 340BH 340HP Cummins. If you buy used, the steeper early drop is what the original owner absorbs.
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