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Products & ServiceTruck engines

Gas Engines for trucks

2015.07.10

Technical adavantages

1. More reliable

Engine life is 30% longer than similar products.

2. More energy-efficient

Gas consumption is 10% lower than similar products.

3. Safer

Safety factor has reached the international advanced level.

4. Greener

The emissions go up to ChinaⅣ andⅤ level.

5. Smarter

Equipped with CAN communication, common-rail monitor and other smart features

WP5 Gas Engine

Based on mature WP5 engine noumenon, Weichai developed WP5NG gas engine according to gas engine technical characteristic, besides it matched and designed cooling of piston, turbocharger, valve and valve seat ring, which is the ideal power of bus.

Technical Data of WP5  Gas Engine

Model

WP5NG165E40/E50

WP5NG180E40/E50

Type

In-line, water cooling, wetliner, turbocharged and intercooled, electronically controlled pre-mixing, spark ignition, lean burn

Number of cylinders

4

Bore(mm) x Stroke(mm)

108×130

Total displacement(L)

4.76

Rated power(kW/ps)

121/165

132/180

Rated speed(r/min)

2300

Max torque(N·m/转r/min)

560/1300-1600

600/1300-1500

Standard fuel

LNG/CNG

Minimum fuel consumption rate(g/kW·h)

≤185

Idle speed(r/min)

650±50

WP6 Gas Engine

Based on mature WP6 engine noumenon, Weichai developed WP6NG gas engine. It was changed the design of key parts, such as piston, intake and exhaust valve, etc, and adopted electronically controlled system. Compared with diesel engine with same power, it can save 30-40% fuel cost per km, which is the ideal power of heavy duty truck and bus.

Technical Data of WP6  Gas Engine

Model

WP6NG210E40/E50

WP6NG240E40/E50

Type

In-line, water cooling, wetliner, turbocharged and intercooled, electronically controlled pre-mixing, spark ignition, lean burn

Number of cylinders

4

Bore(mm) x Stroke(mm)

105×130

Total displacement(L)

6.75

Rated power(kW/ps)

155/210

176/240

Rated speed(r/min)

2300

Max torque(N·m/转r/min)

680/1300-1500

780/1300-1500

Standard fuel

LNG/CNG

Minimum fuel consumption rate(g/kW·h)

<185

Idle speed(r/min)

650±50

WP7 Gas Engine

Based on mature WP7 engine noumenon, Weichai developed WP7NG gas engine according to gas engine technical characteristic, besides it matched and designed cooling of piston, turbocharger, valve and valve seat ring, which is the ideal power of bus.

Technical Data of WP7 Gas Engine

Model

WP7NG240E40/E50

WP7NG260E40/E50

Type

In-line, water cooling, wetliner, turbocharged and intercooled, electronically controlled pre-mixing, spark ignition, lean burn

Number of cylinders

6

Bore(mm) x Stroke(mm)

108×130

Total displacement(L)

7.5

Rated power(kW/ps)

176/240

191/260

Rated speed(r/min)

2300

Max torque(N·m/转r/min)

900/1300-1500

980/1300-1500

Standard fuel

LNG/CNG

Minimum fuel consumption rate(g/kW·h)

<185

Idle speed(r/min)

650±50

WP10 Gas Engine

Based on mature WP10 engine noumenon, Weichai developed WP10NG gas engine according to gas engine technical characteristic. Matching and designing cooling of piston, turbocharger, valve and valve seat ring, adopting mature and reliable fuel gas electronically controlled system, so reliability of WP10NG can reach same level of other manufacturers’ engines with similar displacement, which is the ideal power of heavy duty truck and large bus.

Technical Data of WP10 Gas Engine

Model

WP10NG280E40/E50

WP10NG300E40/E50

WP10NG336E40/E50

Type

In-line, water cooling, wetliner, turbocharged and intercooled, electronically controlled pre-mixing, spark ignition, lean burn

Number of cylinders

6

Bore(mm) x Stroke(mm)

126×130

Total displacement(L)

9.726

Rated power(kW/ps)

206/280

221/300

247/336

Rated speed(r/min)

2200

Max torque(N·m/转r/min)

1060/1400-1600

1230/1400-1600

1350/1400-1600

Standard fuel

CNG/LNG

Minimum fuel consumption rate(g/kW·h)

<185

Idle speed(r/min)

650±50

WP12 Gas Engine

Based on mature WP12 engine noumenon, Weichai developed WP12NG gas engine according to gas engine technical characteristic. It re-matched and re-designed cooling of piston, turbocharger, valve and valve seat ring, and adopted mature and reliable fuel gas electronically controlled system, so reliability of WP10NG can reach same level of other manufacturers’ engines with similar displacement, which is the ideal power of heavy duty truck and large bus.

Technical Data of  WP12 Gas Engine

Model

WP12NG350E40/E50

WP12NG380E40/E50

   

Number of cylinders

6

Bore(mm) x Stroke(mm)

126×155

Total displacement(L)

11.59

Rated power(kW/ps)

257/350

280/380

Rated speed(r/min)

2200

Max torque(N·m/转r/min)

1400/1400-1600

1500/1400-1600

Standard fuel

CNG/LNG

Minimum fuel consumption rate(g/kW·h)

<185

Idle speed(r/min)

650±50

WP12HPDI Gas Engine

Technical Data of WP12HPDI Gas Engine

Model

WP12HPDI480E50

Type

In-line, water cooling, turbocharged and intercooled, direct injection compression ignition

Number of cylinders

6

Bore(mm) x Stroke(mm)

126×155

Total displacement(L)

11.596

Rated power(kW/ps)

353/480

Rated speed(r/min)

2100

Max torque(N·m/转r/min)

1970

Speed under max torque(r/min)

1200-1500

Minimum fuel consumption rate(g/kW·h)

≤180

Emission standard

China Ⅳ, China Ⅴ

Application

Heavy trucks

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