BOMwiki the bill-of-materials encyclopedia 27,966,275 parts mapped · 127,489 items

Large Turbofan Engine Assembly

A ~70,000–80,000 lbf-class turbofan; a single large turbofan contains roughly 25,000 parts. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Build & assembly graph

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Bill of materials

6 top-level lines · 21 rows shown · 22,733 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Fan Module 4 parts wba-fan-module 1 30 assembly
1.1 Fan Blade wba-fan-blade 24× 24 part
1.2 Fan Disc wba-fan-disc 1 part
1.3 Fan Containment Case wba-fan-case 1 part
1.4 Ball Bearing ball-bearing 4 part
2 Compressor Module 3 parts wba-compressor-module 1 22 assembly
2.1 Compressor Stage wba-blisk-stage 14× 14 part
2.2 Engine Shaft wba-engine-shaft 2 part
2.3 Ball Bearing ball-bearing 6 part
3 Combustor 3 parts wba-combustor-module 1 25 assembly
3.1 Combustor Liner wba-combustor-liner 1 part
3.2 Fuel Nozzle wba-fuel-nozzle 22× 22 part
3.3 Igniter wba-igniter 2 part
4 Turbine Module 3 parts wba-turbine-module 1 655 assembly
4.1 Turbine Disc wba-turbine-stage 7 part
4.2 Turbine Blade Row 1 parts wba-turbine-blade-set 7 92 assembly
4.2.1 Turbine Blade wba-turbine-blade 92× 644 part
4.3 Ball Bearing ball-bearing 4 part
5 Engine Hardware Set 1 parts wba-engine-smallparts 1 22,000 assembly
5.1 Engine Fastener / Small Part wba-engine-fastener 22000× 22,000 part
6 Nacelle & Thrust Reverser wba-nacelle 1 part

Used in 1 assembly

Sourcing — likely vendors

Companies that make this · indicative price $500–$50k · MOQ & lead are typical
VendorHQSpecialtyMOQLead time
weichai.com ↗ Weifang, CN Diesel & power engines 50 units 12–16 wks
cumminsindia.com ↗ Pune, IN Diesel engines 50 units 12–16 wks
🇨🇳Yuchai
yuchai.com ↗
Yulin, CN Diesel engines 50 units 12–16 wks
koel.co.in ↗ Pune, IN Diesel & gas engines 50 units 12–16 wks
ashokleyland.com ↗ Chennai, IN Engines & commercial vehicles 50 units 12–16 wks