Diesel-Electric Locomotive Product
Sourcing — likely vendors
Real suppliers (🇮🇳 🇸🇬 🇨🇳); price, MOQ & lead time are estimates| Vendor | HQ | Specialty | Est. unit price | MOQ | Lead time |
|---|---|---|---|---|---|
| weichai.com ↗ | Weifang, CN | Diesel & power engines | $274,500 | 50 units | 12–16 wks |
| cumminsindia.com ↗ | Pune, IN | Diesel engines | $278,550 | 50 units | 12–16 wks |
| 🇨🇳Yuchai yuchai.com ↗ | Yulin, CN | Diesel engines | $269,700 | 50 units | 12–16 wks |
| koel.co.in ↗ | Pune, IN | Diesel & gas engines | $236,500 | 50 units | 12–16 wks |
| ashokleyland.com ↗ | Chennai, IN | Engines & commercial vehicles | $262,800 | 50 units | 12–16 wks |
A freight road locomotive: a V16 diesel prime mover turns a main alternator that feeds rectified DC to traction inverters and axle-hung traction motors on two bogies. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
12 top-level lines · 161 rows shown · 1,216 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Underframe & Draft Gear 4 parts | diesel-electric-locomotive-underframe | 1× | 1 | 11 | assembly |
| 1.1 | Welded Steel Mainframe | diesel-electric-locomotive-mainframe | 1× | 1 | — | part |
| 1.2 | Automatic Coupler 3 parts | diesel-electric-locomotive-coupler | 2× | 2 | 3 | assembly |
| 1.2.1 | Coupler Knuckle | diesel-electric-locomotive-coupler-knuckle | 1× | 2 | — | part |
| 1.2.2 | Coupler Body | diesel-electric-locomotive-coupler-body | 1× | 2 | — | part |
| 1.2.3 | Fastener Set | fastener-set | 1× | 2 | — | part |
| 1.3 | Draft Gear Cushioning Unit | diesel-electric-locomotive-draft-gear | 2× | 2 | — | part |
| 1.4 | Buffer | diesel-electric-locomotive-buffer | 2× | 2 | — | part |
| 2 | Carbody & Hood 5 parts | diesel-electric-locomotive-carbody | 1× | 1 | 8 | assembly |
| 2.1 | Long Hood Structure | diesel-electric-locomotive-long-hood | 1× | 1 | — | part |
| 2.2 | Short Hood Structure | diesel-electric-locomotive-short-hood | 1× | 1 | — | part |
| 2.3 | Cab Shell | diesel-electric-locomotive-cab-shell | 1× | 1 | — | part |
| 2.4 | Running Board / Walkway | diesel-electric-locomotive-walkway | 1× | 1 | — | part |
| 2.5 | Fastener Set | fastener-set | 4× | 4 | — | part |
| 3 | Diesel Prime Mover (V16) 8 parts | diesel-electric-locomotive-prime-mover | 1× | 1 | 246 | assembly |
| 3.1 | Engine Block (V16 crankcase) | diesel-electric-locomotive-engine-block | 1× | 1 | — | part |
| 3.2 | Crankshaft | diesel-electric-locomotive-crankshaft | 1× | 1 | — | part |
| 3.3 | Piston Assembly 4 parts | diesel-electric-locomotive-piston-assembly | 16× | 16 | 4 | assembly |
| 3.3.1 | Piston | diesel-electric-locomotive-piston | 1× | 16 | — | part |
| 3.3.2 | Connecting Rod | diesel-electric-locomotive-connecting-rod | 1× | 16 | — | part |
| 3.3.3 | Piston Ring Set | diesel-electric-locomotive-piston-rings | 1× | 16 | — | part |
| 3.3.4 | Wrist Pin | diesel-electric-locomotive-wrist-pin | 1× | 16 | — | part |
| 3.4 | Cylinder Head 3 parts | diesel-electric-locomotive-cylinder-head | 16× | 16 | 6 | assembly |
| 3.4.1 | Cylinder Head Casting | diesel-electric-locomotive-head-casting | 1× | 16 | — | part |
| 3.4.2 | Poppet Valve | diesel-electric-locomotive-valve | 4× | 64 | — | part |
| 3.4.3 | Unit Fuel Injector | diesel-electric-locomotive-injector | 1× | 16 | — | part |
| 3.5 | Turbocharger 5 parts | diesel-electric-locomotive-turbocharger | 2× | 2 | 7 | assembly |
| 3.5.1 | Turbine Wheel | diesel-electric-locomotive-turbine-wheel | 1× | 2 | — | part |
| 3.5.2 | Compressor Wheel | diesel-electric-locomotive-compressor-wheel | 1× | 2 | — | part |
| 3.5.3 | Turbocharger Housing | diesel-electric-locomotive-turbo-housing | 1× | 2 | — | part |
| 3.5.4 | Ball Bearing | ball-bearing | 2× | 4 | — | part |
| 3.5.5 | Oil Seal | oil-seal | 2× | 4 | — | part |
| 3.6 | Fuel Injection System 4 parts | diesel-electric-locomotive-fuel-injection | 1× | 1 | 5 | assembly |
| 3.6.1 | Engine Fuel Pump | diesel-electric-locomotive-fuel-pump | 1× | 1 | — | part |
| 3.6.2 | Fuel Filter | diesel-electric-locomotive-fuel-filter | 2× | 2 | — | part |
| 3.6.3 | Fuel Rail / Manifold | diesel-electric-locomotive-fuel-rail | 1× | 1 | — | part |
| 3.6.4 | Fuel Line Set | diesel-electric-locomotive-fuel-line | 1× | 1 | — | part |
| 3.7 | Lube Oil System 4 parts | diesel-electric-locomotive-lube-oil-system | 1× | 1 | 8 | assembly |
| 3.7.1 | Lube Oil Pump | diesel-electric-locomotive-oil-pump | 1× | 1 | — | part |
| 3.7.2 | Lube Oil Cooler | diesel-electric-locomotive-oil-cooler | 1× | 1 | — | part |
| 3.7.3 | Oil Filter | diesel-electric-locomotive-oil-filter | 2× | 2 | — | part |
| 3.7.4 | Oil Seal | oil-seal | 4× | 4 | — | part |
| 3.8 | Engine Cooling System 4 parts | diesel-electric-locomotive-cooling-system | 1× | 1 | 57 | assembly |
| 3.8.1 | Radiator | radiator | 4× | 4 | — | part |
| 3.8.2 | Coolant Pump | coolant-pump | 2× | 2 | — | part |
| 3.8.3 | Radiator Cooling Fan 4 parts + deeper › | diesel-electric-locomotive-radiator-fan | 2× | 2 | 25 | assembly |
| 3.8.4 | Coolant Piping | diesel-electric-locomotive-coolant-pipe | 1× | 1 | — | part |
| 4 | Main Alternator 6 parts | diesel-electric-locomotive-main-alternator | 1× | 1 | 51 | assembly |
| 4.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 4.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | — | part |
| 4.1.2 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 4.1.3 | Slot Insulation | stator-insulation | 1× | 1 | — | part |
| 4.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | — | part |
| 4.2.2 | Rotor Core | rotor-core | 1× | 1 | — | part |
| 4.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 4.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 4.3 | Copper Winding | copper-winding | 2× | 2 | — | part |
| 4.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 4.5 | Alternator Frame | diesel-electric-locomotive-alternator-frame | 1× | 1 | — | part |
| 4.6 | Auxiliary Generator 3 parts | diesel-electric-locomotive-aux-generator | 1× | 1 | 24 | assembly |
| 4.6.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 4.6.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.6.3 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 5 | Power Electronics Cabinet 3 parts | diesel-electric-locomotive-power-electronics | 1× | 1 | 423 | assembly |
| 5.1 | Traction Rectifier 3 parts | diesel-electric-locomotive-rectifier | 1× | 1 | 22 | assembly |
| 5.1.1 | Power Rectifier Diode | diesel-electric-locomotive-rectifier-diode | 12× | 12 | — | part |
| 5.1.2 | Power Heatsink | diesel-electric-locomotive-heatsink | 4× | 4 | — | part |
| 5.1.3 | DC-Link Capacitor | dc-link-cap | 6× | 6 | — | part |
| 5.2 | Traction Inverter 5 parts | diesel-electric-locomotive-traction-inverter | 4× | 4 | 100 | assembly |
| 5.2.1 | IGBT Power Module | igbt-module | 6× | 24 | — | part |
| 5.2.2 | Gate Driver Board 3 parts + deeper › | gate-driver-board | 1× | 4 | 87 | assembly |
| 5.2.3 | DC-Link Capacitor | dc-link-cap | 4× | 16 | — | part |
| 5.2.4 | Power Heatsink | diesel-electric-locomotive-heatsink | 2× | 8 | — | part |
| 5.2.5 | Microcontroller | mcu | 1× | 4 | — | part |
| 5.3 | Electronics Cabinet Frame | diesel-electric-locomotive-cabinet-frame | 1× | 1 | — | part |
| 6 | Bogie / Truck 6 parts | diesel-electric-locomotive-bogie | 2× | 2 | 119 | assembly |
| 6.1 | Bogie Frame | diesel-electric-locomotive-bogie-frame | 1× | 2 | — | part |
| 6.2 | Traction Motor (AC) 6 parts | diesel-electric-locomotive-traction-motor | 2× | 4 | 27 | assembly |
| 6.2.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 4 | 3 | assembly |
| 6.2.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 4 | 19 | assembly |
| 6.2.3 | Copper Winding | copper-winding | 1× | 4 | — | part |
| 6.2.4 | Ball Bearing | ball-bearing | 2× | 8 | — | part |
| 6.2.5 | Helical Gear Pair | gear-pair | 1× | 4 | — | part |
| 6.2.6 | Traction Motor Frame | diesel-electric-locomotive-motor-frame | 1× | 4 | — | part |
| 6.3 | Wheelset 3 parts | diesel-electric-locomotive-wheelset | 3× | 6 | 13 | assembly |
| 6.3.1 | Axle | diesel-electric-locomotive-axle | 1× | 6 | — | part |
| 6.3.2 | Steel Wheel | diesel-electric-locomotive-wheel | 2× | 12 | — | part |
| 6.3.3 | Axle Bearing (roller box) 3 parts + deeper › | diesel-electric-locomotive-axle-bearing | 2× | 12 | 5 | assembly |
| 6.4 | Primary Suspension Spring | diesel-electric-locomotive-primary-suspension | 6× | 12 | — | part |
| 6.5 | Secondary Suspension Spring | diesel-electric-locomotive-secondary-suspension | 4× | 8 | — | part |
| 6.6 | Brake Rigging 3 parts | diesel-electric-locomotive-brake-rigging | 1× | 2 | 15 | assembly |
| 6.6.1 | Brake Cylinder | diesel-electric-locomotive-brake-cylinder | 3× | 6 | — | part |
| 6.6.2 | Brake Shoe | diesel-electric-locomotive-brake-shoe | 6× | 12 | — | part |
| 6.6.3 | Brake Lever | diesel-electric-locomotive-brake-lever | 6× | 12 | — | part |
| 7 | Dynamic Brake Assembly 3 parts | diesel-electric-locomotive-dynamic-brake | 1× | 1 | 37 | assembly |
| 7.1 | Dynamic Brake Resistor Grid | diesel-electric-locomotive-brake-grid | 8× | 8 | — | part |
| 7.2 | Grid Cooling Blower 4 parts | diesel-electric-locomotive-grid-blower | 1× | 1 | 25 | assembly |
| 7.2.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 7.2.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 7.2.3 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 7.2.4 | Fan Blade | diesel-electric-locomotive-fan-blade | 1× | 1 | — | part |
| 7.3 | Grid Power Contactor | diesel-electric-locomotive-grid-contactor | 4× | 4 | — | part |
| 8 | Air Brake System 5 parts | diesel-electric-locomotive-air-brake-system | 1× | 1 | 24 | assembly |
| 8.1 | Air Compressor 4 parts | diesel-electric-locomotive-air-compressor | 1× | 1 | 16 | assembly |
| 8.1.1 | Compressor Block | diesel-electric-locomotive-compressor-block | 1× | 1 | — | part |
| 8.1.2 | Piston Assembly 4 parts + deeper › | diesel-electric-locomotive-piston-assembly | 3× | 3 | 4 | assembly |
| 8.1.3 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 8.1.4 | O-Ring Set | oring-set | 1× | 1 | — | part |
| 8.2 | Main Air Reservoir | diesel-electric-locomotive-main-reservoir | 2× | 2 | — | part |
| 8.3 | Brake Control Valve 3 parts | diesel-electric-locomotive-brake-valve | 1× | 1 | 4 | assembly |
| 8.3.1 | Valve Body | diesel-electric-locomotive-valve-body | 1× | 1 | — | part |
| 8.3.2 | O-Ring Set | oring-set | 2× | 2 | — | part |
| 8.3.3 | Relay Valve | diesel-electric-locomotive-relay-valve | 1× | 1 | — | part |
| 8.4 | Air Dryer | diesel-electric-locomotive-air-dryer | 1× | 1 | — | part |
| 8.5 | Air Brake Piping | diesel-electric-locomotive-air-piping | 1× | 1 | — | part |
| 9 | Control Electronics 5 parts | diesel-electric-locomotive-control-electronics | 1× | 1 | 102 | assembly |
| 9.1 | Locomotive Control Computer 4 parts | diesel-electric-locomotive-loco-computer | 1× | 1 | 8 | assembly |
| 9.1.1 | Bare PCB | pcb-bare | 1× | 1 | — | part |
| 9.1.2 | Compute SoC Module | soc-module | 1× | 1 | — | part |
| 9.1.3 | Microcontroller | mcu | 2× | 2 | — | part |
| 9.1.4 | CAN Transceiver | can-transceiver | 4× | 4 | — | part |
| 9.2 | Cab Display 3 parts | diesel-electric-locomotive-display | 2× | 2 | 3 | assembly |
| 9.2.1 | LCD Panel | lcd-panel | 1× | 2 | — | part |
| 9.2.2 | Bare PCB | pcb-bare | 1× | 2 | — | part |
| 9.2.3 | Microcontroller | mcu | 1× | 2 | — | part |
| 9.3 | Wire Bundle | wire-bundle | 4× | 4 | — | part |
| 9.4 | Connector | connector | 60× | 60 | — | part |
| 9.5 | Relay | relay | 24× | 24 | — | part |
| 10 | Cab Interior 4 parts | diesel-electric-locomotive-cab-interior | 1× | 1 | 43 | assembly |
| 10.1 | Seat Assembly 5 parts | seat-assembly | 2× | 2 | 7 | assembly |
| 10.1.1 | Seat Frame | seat-frame | 1× | 2 | — | part |
| 10.1.2 | Seat Foam | seat-foam | 2× | 4 | — | part |
| 10.1.3 | Seat Cover | seat-cover | 1× | 2 | — | part |
| 10.1.4 | Seat Motor | seat-motor | 2× | 4 | — | part |
| 10.1.5 | Seat Heater Mat | seat-heater | 1× | 2 | — | part |
| 10.2 | Control Stand 3 parts | diesel-electric-locomotive-control-stand | 1× | 1 | 3 | assembly |
| 10.2.1 | Throttle Lever | diesel-electric-locomotive-throttle-lever | 1× | 1 | — | part |
| 10.2.2 | Reverser Handle | diesel-electric-locomotive-reverser | 1× | 1 | — | part |
| 10.2.3 | Brake Handle | diesel-electric-locomotive-brake-handle | 1× | 1 | — | part |
| 10.3 | Cab HVAC Unit 4 parts | diesel-electric-locomotive-cab-hvac | 1× | 1 | 24 | assembly |
| 10.3.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 1 | 3 | assembly |
| 10.3.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 1 | 19 | assembly |
| 10.3.3 | HVAC Compressor | diesel-electric-locomotive-hvac-compressor | 1× | 1 | — | part |
| 10.3.4 | Radiator | radiator | 1× | 1 | — | part |
| 10.4 | Cab Windshield | diesel-electric-locomotive-windshield | 2× | 2 | — | part |
| 11 | Underslung Fuel Tank 3 parts | diesel-electric-locomotive-fuel-tank | 1× | 1 | 6 | assembly |
| 11.1 | Fuel Tank Shell | diesel-electric-locomotive-tank-shell | 1× | 1 | — | part |
| 11.2 | Fuel Level Gauge | diesel-electric-locomotive-fuel-gauge | 1× | 1 | — | part |
| 11.3 | Tank Baffle | diesel-electric-locomotive-tank-baffle | 4× | 4 | — | part |
| 12 | Auxiliary Systems 4 parts | diesel-electric-locomotive-aux-systems | 1× | 1 | 27 | assembly |
| 12.1 | Sander Unit 3 parts | diesel-electric-locomotive-sander | 4× | 4 | 3 | assembly |
| 12.1.1 | Sand Box | diesel-electric-locomotive-sand-box | 1× | 4 | — | part |
| 12.1.2 | Sander Valve | diesel-electric-locomotive-sander-valve | 1× | 4 | — | part |
| 12.1.3 | Sand Nozzle | diesel-electric-locomotive-sand-nozzle | 1× | 4 | — | part |
| 12.2 | Headlight 3 parts | diesel-electric-locomotive-headlight | 2× | 2 | 3 | assembly |
| 12.2.1 | LED Cluster | diesel-electric-locomotive-led-cluster | 1× | 2 | — | part |
| 12.2.2 | Light Housing | diesel-electric-locomotive-light-housing | 1× | 2 | — | part |
| 12.2.3 | Bare PCB | pcb-bare | 1× | 2 | — | part |
| 12.3 | Air Horn | diesel-electric-locomotive-horn | 1× | 1 | — | part |
| 12.4 | 12 V Battery | lv-battery | 8× | 8 | — | part |