2 Steel Gear +
2 Advanced Boiler Chassis [Tier 1] +
1 Circuit (LV tier) +
1 LV Machine Hull +
1 Huge Steel Fluid Pipe +
1 Screwdriver +
1 Wrench

2 Silicon Carbide Gear +
2 Advanced Boiler Chassis [Tier 2] +
1 Circuit (MV tier) +
1 MV Machine Hull +
1 Huge Stainless Steel Fluid Pipe +
1 Screwdriver +
1 Wrench

2 Silicon Carbide Gear +
2 Advanced Boiler Chassis [Tier 3] +
1 Circuit (HV tier) +
1 HV Machine Hull +
1 Huge Titanium Fluid Pipe +
1 Screwdriver +
1 Wrench