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Motor Truck

Assembly

Cast or fabricated swing-bolster truck carrying two wheelsets, two nose-suspended traction motors, the gearing, and the truck-mounted brake rigging. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Motor Truck parts and their functions

9 top-level parts · 119 parts in total · full bill of materials below
Motor Truck parts diagram: 1 truck frame, 2 wheelset, 3 traction motor, 4 nose-suspended gearbox, 5 swing bolster, 6 equalizer spring, 7 brake shoe, 8 coil spring, 9 fastener set. 119 parts in 9 top-level items.
Motor Truck parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Truck Frame 4 parts 1× Cast side frames and transoms
2 Wheelset 3 parts 2× Two powered axles
3 Traction Motor 7 parts 2× One per axle
4 Nose-Suspended Gearbox 4 parts 2× Nose-suspended single reduction
5 Swing Bolster 1× Swing bolster
6 Equalizer Spring 4× Equalizer bar springs
7 Brake Shoe 4× Tread brake shoes
8 Coil Spring 4× Bolster swing springs
9 Fastener Set 1× Bolts, nuts, and washers.

3D model

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Build & assembly graph

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Bill of materials for Motor Truck

9 top-level lines · 37 rows shown · 119 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Truck Frame 4 parts heritage-streetcar-truck-frame 1× 1 25 assembly
1.1 Truck Side Frame heritage-streetcar-side-frame 2× 2 · part
1.2 Truck Transom heritage-streetcar-transom 2× 2 · part
1.3 Journal Box 3 parts heritage-streetcar-journal-box 4× 4 5 assembly
1.3.1 Ball Bearing ball-bearing 2× 8 · part
1.3.2 Oil Seal oil-seal 2× 8 · part
1.3.3 Journal Housing heritage-streetcar-journal-housing 1× 4 · part
1.4 Fastener Set fastener-set 1× 1 · part
2 Wheelset 3 parts heritage-streetcar-wheelset 2× 2 4 assembly
2.1 Driving Axle heritage-streetcar-axle 1× 2 · part
2.2 Tram Wheel heritage-streetcar-wheel 2× 4 · part
2.3 Axle Bull Gear heritage-streetcar-axle-gear 1× 2 · part
3 Traction Motor 7 parts heritage-streetcar-traction-motor 2× 2 31 assembly
3.1 Stator Assembly 3 parts stator-assembly 1× 2 3 assembly
3.1.1 Stator Core (laminations) stator-core 1× 2 · part
3.1.2 Copper Winding copper-winding 1× 2 · part
3.1.3 Slot Insulation stator-insulation 1× 2 · part
3.2 Rotor Assembly 4 parts rotor-assembly 1× 2 19 assembly
3.2.1 Rotor Shaft rotor-shaft 1× 2 · part
3.2.2 Rotor Core rotor-core 1× 2 · part
3.2.3 Neodymium Magnet neodymium-magnet 16× 32 · part
3.2.4 Ball Bearing ball-bearing 1× 2 · part
3.3 Motor Housing heritage-streetcar-motor-housing 1× 2 · part
3.4 Commutator heritage-streetcar-commutator 1× 2 · part
3.5 Brush Holder heritage-streetcar-brush-holder 4× 8 · part
3.6 Motor Pinion heritage-streetcar-motor-pinion 1× 2 · part
3.7 Ball Bearing ball-bearing 2× 4 · part
4 Nose-Suspended Gearbox 4 parts heritage-streetcar-nose-gearbox 2× 2 5 assembly
4.1 Gearbox Housing gearbox-housing 1× 2 · part
4.2 Helical Gear Pair gear-pair 1× 2 · part
4.3 Oil Seal oil-seal 2× 4 · part
4.4 Fastener Set fastener-set 1× 2 · part
5 Swing Bolster heritage-streetcar-truck-bolster 1× 1 · part
6 Equalizer Spring heritage-streetcar-equalizer-spring 4× 4 · part
7 Brake Shoe heritage-streetcar-brake-shoe 4× 4 · part
8 Coil Spring coil-spring 4× 4 · part
9 Fastener Set fastener-set 1× 1 · part

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Where the motor truck is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $300–$90k. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳BYD
byd.com ↗
Shenzhen, CN EV & battery manufacturer made to order ·
🇮🇳Tata Motors
tatamotors.com ↗
Mumbai, IN Automaker made to order ·
🇨🇳SAIC Motor
saicmotor.com ↗
Shanghai, CN Automaker made to order ·
🇮🇳Mahindra
mahindra.com ↗
Mumbai, IN Automaker made to order ·
🇨🇳Geely
global.geely.com ↗
Hangzhou, CN Automaker made to order ·