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SDEC R engine

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SDEC R Series
SDEC SC28R 150 Q5
Overview
ManufacturerSDEC
Layout
ConfigurationInline-4
Displacement2.5–2.8 L (2,499–2,776 cc)
ValvetrainDOHC
Combustion
Turbochargervariable-geometry turbocharger or fixed geometry turbocharger with intercooler
Fuel systemCommon rail direct injection
Fuel typeDiesel
Cooling systemWater-cooled
Output
Power output74–156 PS (54–115 kW; 73–154 hp)
Torque output252–400 N⋅m (186–295 lb⋅ft)
Emissions
Emissions target standardUp to Euro 6

The SDEC R Series engines are 2.5–2.8 L (2,499–2,776 cc) Inline-4 diesel engines from SDEC. They are light-duty truck engines based on licensed VM Motori designs.

Nomenclature

SDEC R Series engines use a non-fixed naming convention:

  • The first two characters "SC" signifies SDEC-Shangai Diesel Engine Co.
  • The next two characters refer to the displacement of the engine; "25" = 2.5L, "28" = 2.8L.
  • The next characters indicate peak metric horsepower produced.
  • The Q letter indicates the emission standard. "Q4" = Euro/China 4, "Q5A" = Euro 5a, "Q6" = Euro 6.

SC25R

2.5L light-duty truck engine based on VM Motori RA 425 DOHC.

SC25R Engines
Model Configuration Displacement Power Torque
SC25R101 I4 2,499 cc (2.5 L) 74 kW (101 PS; 99 bhp) at 3200 rpm 252 N⋅m (186 lb⋅ft) at 1800–2800 rpm
SC25R120 88 kW (120 PS; 118 bhp) at 3800 rpm 320 N⋅m (236 lb⋅ft) at 1800–2500 rpm
SC25R136 100 kW (136 PS; 134 bhp) at 3800 rpm 330 N⋅m (243 lb⋅ft) at 1800–2500 rpm
SC25R150 110 kW (150 PS; 148 bhp) at 3600 rpm 360 N⋅m (266 lb⋅ft) at 1800–2500 rpm

Applications

SC28R

SC28R Diesel engine
Overview
ManufacturerSDEC
DesignerVM Motori, SDEC
Also calledRA 428
Production2011 – present;
Layout
ConfigurationInline 4
Displacement2.8 L; 169.4 cu in (2,776 cc)
Cylinder bore94 mm (3.7 in)
Piston stroke100 mm (3.9 in)
Cylinder block materialCast iron
Cylinder head materialAluminum
ValvetrainDOHC 4 valves x cyl.
Compression ratio17:1
RPM range
Max. engine speed3750
Combustion
TurbochargerHoneywell variable-geometry turbocharger or fixed geometry turbocharger with intercooler
Fuel systemBosch 1600 bar High-pressure common-rail direct injection
ManagementBosch EDC17C ECU
Fuel typeDiesel
Cooling systemWater-cooled
Output
Power output156 PS (115 kW; 154 hp)
Torque output400 N⋅m (295 lb⋅ft)
Emissions
Emissions target standardEuro 6
Emissions control systemsOxidizing catalyst, DPF, EGR
Chronology
PredecessorR 428

Light-duty truck engines based on VM Motori RA 428 DOHC. Based on a tunnel closed cylinder block design, 4-valves per cylinder, high pressure 1600bar BOSCH common rail system, aluminum alloy cylinder head, double overhead cam system and volute casing fixed geometry turbocharger or electronically controlled variable geometry turbocharger, complying with China/Euro 4, 5A and 6 emission standards.[1]

SC28R Engines
Model Revision Emission standard Configuration Displacement Power Torque
SC28R110 0 Q4 I4 2,776 cc (2.8 L) 82 kW (111 PS; 110 bhp) at 3000 rpm 285 N⋅m (210 lb⋅ft) at 1800–2800 rpm
SC28R110 0 Q5 82 kW (111 PS; 110 bhp) at 3000 rpm 285 N⋅m (210 lb⋅ft) at 1800–2800 rpm
SC28R125 0 Q4 92 kW (125 PS; 123 bhp) at 3000 rpm 340 N⋅m (251 lb⋅ft) at 1800–2500 rpm
SC28R125 0 Q5A 92 kW (125 PS; 123 bhp) at 3000 rpm 340 N⋅m (251 lb⋅ft) at 1800–2500 rpm
SC28R136 0 Q4 100 kW (136 PS; 134 bhp) at 3200 rpm 350 N⋅m (258 lb⋅ft) at 1800–2500 rpm
SC28R136 0 Q5A 100 kW (136 PS; 134 bhp) at 3200 rpm 350 N⋅m (258 lb⋅ft) at 1800–2500 rpm
SC28R143 0 Q4 105 kW (143 PS; 141 bhp) at 3600 rpm 330 N⋅m (243 lb⋅ft) at 1800–2500 rpm
SC28R143 0 Q5 105 kW (143 PS; 141 bhp) at 3600 rpm 340 N⋅m (251 lb⋅ft) at 1800–2500 rpm
SC28R143 1 Q5A 105 kW (143 PS; 141 bhp) at 3600 rpm 350 N⋅m (258 lb⋅ft) at 1800–2500 rpm
SC28R143 2 Q5A 105 kW (143 PS; 141 bhp) at 3600 rpm 380 N⋅m (280 lb⋅ft) at 1800–2500 rpm
SC28R150 0 Q5A 110 kW (150 PS; 148 bhp) at 3400 rpm 360 N⋅m (266 lb⋅ft) at 1600–2800 rpm
SC28R150 1 Q5A 110 kW (150 PS; 148 bhp) at 3400 rpm 380 N⋅m (280 lb⋅ft) at 1600–2800 rpm
SC28R150 0 Q6 110 kW (150 PS; 148 bhp) at 3000 rpm 400 N⋅m (295 lb⋅ft) at 1500–2400 rpm
SC28R156 0 Q5A 115 kW (156 PS; 154 bhp) at 3000 rpm 400 N⋅m (295 lb⋅ft) at 1800–2400 rpm

Applications

See also

References

  1. ^ 【SC28R系列发动机】2019新款SC28R系列发动机参数配置|价格对比_上柴_卡车之家
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