The engine in the Genie GTH4018
Fitment for the Genie GTH4018 centres on the Perkins 854E-E34TA: 3.4L / 207 cu in, 4-cyl inline, 99 x 110 mm bore x stroke, about @ 2200 rpm, Tier 4 Final. Serial number on the block settles the exact version. New-surplus and rebuilt stock ships from Houston.