Doosan portable power uses Mitsubishi engines type L3E, S4Q2 and S4S in light towers and generators. Parts and engines for these applications are on stock at DET.

Type Engine brand Type Remarks
Light Tower L20 Mitsubishi S4Q2
Light Tower LSC Mitsubishi L3E-W461DPP Tier 4 Final
Generator G20 Mitsubishi S4Q2-Z361SD
Generator G25WMI Mitsubishi S4Q2-Y362IR Mobile
Generator G30 Mitsubishi S4S-Z2DT61IR
Generator G40 Mitsubishi S4S-Z3DT61SD
Generator G40WMI Mitsubishi S4S-Y362IR Mobile