The engine in the Cat 330FL
Fitment for the Cat 330FL centres on the Cat C7.1 ACERT: 7.2L / 442 cu in, 6-cyl inline, 110 x 127 mm bore x stroke, about 168-300 HP @ 2200 rpm, Tier 3. Serial number on the block settles the exact version. New-surplus and rebuilt stock ships from Houston.