Turbo Part No.:3525998;3526131;3526802
OE No.:3801918;3776942;3803058;3598075
Model:HT4C
Turbo Brand:HOLSET
Application:Cummins Gen Set NTA855;Cummins Gen Set NTA50;Cummins Gen Set NT444
Jack ID:3-00-1704
Details
CHRA Balancing Test: <0.5Mg.mm / 150000RPM
Shaft wheel material: K418+42CrMo
Compressor wheel material: C355 for normal or 2126 for billet
Bearing Housing material: HT250 Gray Iron and high Ni for shift link arm
Back plate material: ADC12 YL102 or Iron for some big models.
Nozzle ring material: K418
Thrust bearing material:Brass Bar Fluorine Gum
O-ring material: Fluorine Gum
Thrust collar material: 42CrMo
Piston Ring material: W6+ 3Cr13