The engine in the Cat TH514
Fitment for the Cat TH514 centres on the Cat C4.4: 4.4L / 268 cu in, 4-cyl inline, 105 x 127 mm bore x stroke, about @ 2200 rpm, Tier 2, 3 & 4. Serial number on the block settles the exact version. New-surplus and rebuilt stock ships from Houston.