Application The WESPC 2674A423 turbo is built for Perkins 1103A-33T, 1103A-33TG1, 1103C-33T 3.3 L three-cylinder diesels and the equivalent FG Wilson P13-5 → P22-5 generator ends.It is therefore fitted to Cat 301.6–302.4 mini-excavators, JCB 8025-8026, Liu-Gong 906/908 diggers, Manitou forklifts and 55–75 kVA industrial gen-sets—one turbo covers agricultural, construction and power-generation fleets worldwide.
Technical specifications GT2049S frame; compressor wheel OD 49 mm, turbine wheel OD 46 mm; total length 290 mm, body diameter 200 mm, weight 7.3 kg; oil inlet M12 × 1.5, oil drain 2 × M8 on 38 mm PCD; water connections 2 × M10; maximum continuous boost 2.0 bar, peak turbo speed 180000 rpm, exhaust gas temperature limit 750 °C.
Material & performance features Turbine housing cast from Ni-Resist ductile iron for 750 °C fatigue strength; compressor wheel milled from 7075-T6 aluminium,hard-anodised to 50 HV for salt-spray resistance; shaft is 42CrMo vacuum-nitrided to 900 HV, running on brass floating-bush bearings with 0.12 mm oil film for >8 000 h service before rebuild; water-cooled centre housing eliminates oil coking during hot-shutdown, keeping oil temperature <120 °C at 45 °C ambient; every unit is spin-balanced to <0.5 g-mm, giving <72 dB(A) noise and zero shaft vibration throughout the 1 400–2 200 rpm engine speed range.
Interchange part numbers 2674A422, 754111-0008, 754111-0009, 754111-8, 754111-9,10000-06394, KRP1695