SW173F

Siwei Power's SW series air-cooled diesel engines are based on independent research and development results and provide targeted strengthening solutions specifically for durability. The SW series engine innovatively introduces automotive-grade helical gear transmission, which has higher gear meshing accuracy and smaller working load, and provides better consistency in fuel supply timing and valve timing. The high-load area of the moving parts are coated with DLC diamond-like coating, and the combustion chamber area uses higher-strength fasteners. The shaft parts also use the most popular high-performance alloy steel grades on the market, fabricated with mature and advanced processing technology. In addition, we also attach great importance to environmental issues. The sealing oil seals of SW series engines are all imported from Japan, and the sealants are from Würth, Germany. The SW series is constantly being upgraded to bring customers a better use experience.

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SW173F Air-Cooled Diesel Engine

Product Description

Product Advantages

The mechanical wear parts of all Siwei Power diesel engines are coated with DLC diamond-like coating, which improves the wear resistance by more than 6 times.

All Siwei Power diesel engines use industry-leading high-strength fasteners, especially grade 12.9 high-strength cylinder head bolts. Under the impact of countless high temperatures and high pressures, it remains as easy as the initial state.

All Siwei Power diesel engines use oil seals and O-rings made in Japan, and sealants are made from German Würth Company.

All Siwei Power diesel engines use bearings made in Japan.

The SW186-195 models use helical gear and are the only product in the industry that meets automotive gear standards. Compared with spur gears, helical gears have obvious advantages in load transmission, noise level and service life.

Product Parameters

Model		SW170F	SW173F	SW178F	SW186FA	SW192F	SW195F
Engine type		1-Cylinder, 4-Stroke, Air-cooled, Vertical
Combustion system		Direct injection
Broke*Stroke	mm	70*55	73*59	78*62	86*72	92*75	95*75
Displacement	L	0.211	0.247	0.296	0.418	0.498	0.531
Compression ratio		20:1	20:1	20:1	19:1	19:1	19:1
Rated speed	rpm	3000/3600
Rated power	kW	2.5/2.8	3.0/3.5	3.7/4.0	5.8/6.5	7.0/7.5	7.5/8.2
Rated power	hp	3.4/3.8	4.0/4.7	5.0/5.4	7.8/8.7	9.4/10.0	10.0/11.0
Starting system		Recoil+Electric
Fuel type		Diesel 0#(Summer), -10#(Winter), -35#(Chilliness)
Fuel consumption	g/kW·h	280/285	280/285	280/285	275/280	265/270	265/270
Lube oil type		SAE15W40(Summer), SAE10W30(Winter)
Lube oil capacity	L	0.75	0.75	1.1	1.65	1.65	1.65
Package size(LWH)	mm	450400465	450400465	460480520	460500570	460500570	460500570
Net weight	kg	28	30	36	48	50	50
Rotation direction(View from flywheel)		Clockwise
20GP loading quantity	PCS	350	350	240	220	220	220