Piston Engine

Assembly

Detroit Diesel Engine.jpg · Commons ↗ Report photo

Four-cylinder liquid/air-cooled piston engine of 75 kW mounted high on a pylon, clear of spray.

Direct parts	7
Total parts	15
Used in	1 assembly
Class	Assembly

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Four-cylinder liquid/air-cooled piston engine of 75 kW mounted high on a pylon, clear of spray. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Piston Engine parts and their functions

7 top-level parts · 15 parts in total · full bill of materials below

Piston Engine parts diagram: 1 crankcase, 2 cylinder, 3 crankshaft, 4 reduction drive, 5 radiator, 6 coolant pump, 7 engine pylon. 15 parts in 7 top-level items. — Piston Engine parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Crankcase	1×	Aluminium case housing the crankshaft and camshaft of the flat-four engine.
2	Cylinder	4×	horizontally opposed
3	Crankshaft	1×	Forged steel crank turning up to 5,800 rpm at full throttle.
4	Reduction Drive 4 parts	1×	Gear reduction of 2.43:1 letting the engine rev while the propeller stays below tip-speed limits.
5	Radiator	1×	cylinder-head cooling
6	Coolant Pump	1×	Electric or belt-driven centrifugal pump that circulates coolant through the engine, motor, battery, or heat exchanger.
7	Engine Pylon	1×	Streamlined strut raising the engine and pusher propeller above spray height.

3D model

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Build & assembly graph

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Bill of materials for Piston Engine

7 top-level lines · 11 rows shown · 15 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Crankcase	seaplane-crankcase	1×	1	·	part
2	Cylinder	seaplane-cylinder	4×	4	·	part
3	Crankshaft	seaplane-crankshaft	1×	1	·	part
4	Reduction Drive 4 parts	seaplane-reduction-drive	1×	1	6	assembly
4.1	Gearbox Housing	gearbox-housing	1×	1	·	part
4.2	Helical Gear Pair	gear-pair	1×	1	·	part
4.3	Ball Bearing	ball-bearing	2×	2	·	part
4.4	Oil Seal	oil-seal	2×	2	·	part
5	Radiator	radiator	1×	1	·	part
6	Coolant Pump	coolant-pump	1×	1	·	part
7	Engine Pylon	seaplane-engine-pylon	1×	1	·	part

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Where the piston engine is used

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

Aerospace & Drones 1 Amphibious Seaplane

Used in 1 assembly

Amphibious Seaplane

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

Vendor	HQ	Specialty	MOQ	Lead time
🇨🇳Weichai Power weichai.com ↗	Weifang, CN	Diesel & power engines	50 units	12–16 wks
🇮🇳Cummins India cumminsindia.com ↗	Pune, IN	Diesel engines	50 units	12–16 wks
🇨🇳Yuchai yuchai.com ↗	Yulin, CN	Diesel engines	50 units	12–16 wks
🇮🇳Kirloskar Oil Engines koel.co.in ↗	Pune, IN	Diesel & gas engines	50 units	12–16 wks
🇮🇳Ashok Leyland ashokleyland.com ↗	Chennai, IN	Engines & commercial vehicles	50 units	12–16 wks