The engine in the Ditch Witch JT921 Directional Drill Trencher
Fitment for the Ditch Witch JT921 Directional Drill Trencher centres on the Cat C2.2: 2.2L / 134 cu in, 4-cyl inline, 84 x 100 mm bore x stroke, about @ 2200–3000 rpm, Tier 4 Int. Serial number on the block settles the exact version. New-surplus and rebuilt stock ships from Houston.