I'm under the impression that the 8.9 is the smallest Cummins that was available with either and exhaust brake or a compression brake .
Cummins never equipped the 8.3 with a compression brake.
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99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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