BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Powertrain

Assembly

The mid-mounted drive package: an air-cooled flat engine bolted to a transaxle that combines gearbox and final drive, sending power to the rear wheels through stub axles. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Powertrain parts and their functions

7 top-level parts · 44 parts in total · full bill of materials below
Powertrain parts diagram: 1 air-cooled engine, 2 transaxle, 3 clutch, 4 CV drive axle, 5 exhaust header, 6 oil cooler, 7 engine mount. 44 parts in 7 top-level items.
Powertrain parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Air-Cooled Engine 8 parts 1× Air-cooled flat engine
2 Transaxle 7 parts 1× Combined gearbox and final drive
3 Clutch 1× Dry single-plate clutch
4 CV Drive Axle 2× CV drive axles
5 Exhaust Header 1× Tuned exhaust header
6 Oil Cooler 1× Engine oil cooler
7 Engine Mount 3× Rubber engine mounts

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Powertrain

7 top-level lines · 22 rows shown · 44 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Air-Cooled Engine 8 parts srb-engine 1× 1 16 assembly
1.1 Crankcase srb-engine-block 1× 1 · part
1.2 Cylinder Barrel srb-cylinder 4× 4 · part
1.3 Piston srb-piston 4× 4 · part
1.4 Crankshaft srb-crankshaft 1× 1 · part
1.5 Cylinder Head srb-cylinder-head 2× 2 · part
1.6 Cooling Fan srb-cooling-fan 1× 1 · part
1.7 Carburetor srb-carburetor 2× 2 · part
1.8 O-Ring Set oring-set 1× 1 · part
2 Transaxle 7 parts srb-transaxle 1× 1 20 assembly
2.1 Gearbox Housing gearbox-housing 1× 1 · part
2.2 Helical Gear Pair gear-pair 4× 4 · part
2.3 Shift Fork srb-shift-fork 3× 3 · part
2.4 Differential srb-differential 1× 1 · part
2.5 Ball Bearing ball-bearing 6× 6 · part
2.6 Oil Seal oil-seal 4× 4 · part
2.7 Gear Oil srb-gear-oil 1× 1 · part
3 Clutch srb-clutch 1× 1 · part
4 CV Drive Axle srb-cv-axle 2× 2 · part
5 Exhaust Header srb-exhaust 1× 1 · part
6 Oil Cooler srb-oil-cooler 1× 1 · part
7 Engine Mount srb-engine-mount 3× 3 · part

Something wrong in this list? Report a problem with this BOM.

Where the powertrain 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 $500–$50k. How estimates work
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