The engine in the Tesmec 1075 Chainsaw Trencher
Fitment for the Tesmec 1075 Chainsaw Trencher centres on the Cat C9: 8.8L / 537 cu in, 6-cyl inline, 112 x 149 mm bore x stroke, about 248-340 HP @ 1800-2200 rpm, Tier 3/4. Serial number on the block settles the exact version. New-surplus and rebuilt stock ships from Houston.