A two-cycle diesel engine (10, 310) for operating with high combustion chamber surface temperatures, the engine comprising: an aluminum engine block (14, 314) including at least one cylinder (22a, 22b, 318) including a first intake port and a first exhaust port (600, 602), the engine block (14, 314) including a first fluid flow channel for cooling the engine block (14, 314) and a second fluid flow channel (620, 622) located at the exhaust port (600, 602) to cool the portion of the cylinder (22a, 22b, 318) proximate the exhaust port (600, 602); a cylinder sleeve having a top end and a bottom end, and fabricated from an aluminium base material metal composite that is coated with steel, the cylinder sleeve including a second intake port and a second exhaust port proximate the bottom end, the sleeve being fastened to the interior of the cylinder (22a, 22b, 318) with the intake ports being in fluid communication and the exhaust ports being in fluid communication; a head assembly (78, 342) engaged with the engine block (14, 314), the head assembly (78, 342) including a third cooling fluid flow channel (166, 394); a fuel injector assembly (70a-d, 410) including an injector tip, the assembly(70a-d, 410) supported by the head assembly (78, 342), the injector assembly (70a-d, 410) including a fuel flow channel between a fuel source and the injector tip, a return fuel channel between the injector tip and the fuel source and a cooling fuel channel between the injector tip and the fuel source; a stainless steel fire plate resiliently supported between the top end of the cylinder sleeve and the head assembly (78, 342) to cooperate with the fuel injector assembly (70a-d, 410) to close the top end of the cylinder sleeve; a crank shaft coupled to a connecting rod; an aluminum piston (26, 330) having a titanium alloy crown, the piston (26, 330) being located within the sleeve and connected to the connecting rod to move the crown between the top of the cylinder sleeve, and below the second intake and exhaust ports; a turbocharger including a turbine coupled to the exhaust ports and a compressor including an input coupled to an air filter and an output; and a supercharger including a compressor coupled to the compressor output and the intake ports. an aluminum engine block (14, 314) including at least one cylinder (22a, 22b, 318) including a first intake port and a first exhaust port (600, 602), the engine block (14, 314) including a first fluid flow channel for cooling the engine block (14, 314) and a second fluid flow channel (620, 622) located at the exhaust port (600, 602) to cool the portion of the cylinder (22a, 22b, 318) proximate the exhaust port (600, 602); a cylinder sleeve having a top end and a bottom end, and fabricated from an aluminium base material metal composite that is coated with steel, the cylinder sleeve including a second intake port and a second exhaust port proximate the bottom end, the sleeve being fastened to the interior of the cylinder (22a, 22b, 318) with the intake ports being in fluid communication and the exhaust ports being in fluid communication; a head assembly (78, 342) engaged with the engine block (14, 314), the head assembly (78, 342) including a third cooling fluid flow channel (166, 394); a fuel injector assembly (70a-d, 410) including an injector tip, the assembly(70a-d, 410) supported by the head assembly (78, 342), the injector assembly (70a-d, 410) including a fuel flow channel between a fuel source and the injector tip, a return fuel channel between the injector tip and the fuel source and a cooling fuel channel between the injector tip and the fuel source; a stainless steel fire plate resiliently supported between the top end of the cylinder sleeve and the head assembly (78, 342) to cooperate with the fuel injector assembly (70a-d, 410) to close the top end of the cylinder sleeve; a crank shaft coupled to a connecting rod; an aluminum piston (26, 330) having a titanium alloy crown, the piston (26, 330) being located within the sleeve and connected to the connecting rod to move the crown between the top of the cylinder sleeve, and below the second intake and exhaust ports; a turbocharger including a turbine coupled to the exhaust ports and a compressor including an input coupled to an air filter and an output; and a supercharger including a compressor coupled to the compressor output and the intake ports.