| Customization: | Available |
|---|---|
| After-sales Service: | Global Service Policy |
| Warranty: | 1 Year or 1500 Hours |
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| Engine model | 4B3.9-G2 | ||||||||
| Design Characteristic: | |||||||||
| Belt drive system : Belt drive system with tensioner offering automatic belt tension. | |||||||||
| Maintenance: Wet liner capable for quick exchanging, cylinder head valve guide tube can be repaired by resisting. | |||||||||
| Connecting rod: Alloy steel with high strength and flat cutting. | |||||||||
| Crankshaft: Alloy steel with whole bearing supporting and bearing and round corner harden. | |||||||||
| Cylinder block: Alloy casting with wet liner. | |||||||||
| Holset turbocharger: H series bypass high efficient turbocharger. | |||||||||
| Piston: Silicon- aluminum alloy piston with dual Ni-resist and oil cooling. | |||||||||
| Starting function: Be started at -12ºC without assistant installation; Be started at -35ºC with assistant installation. | |||||||||
| Construction characteristic: Simple and compact construction, fewer components and light weight. | |||||||||
| Attachment(Power Pickup)equipment: Attachment equipment can be offered according to customer's requirements. For sufficiently unleashing engine performance, whole engine attachments from our company, evaluated by Dongfeng Cummins Engine Company, be recommended. |
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| ENGINE BASIC DATA | LUBRICANTION SYSTEM | ||||||||
| NO. of Sylinder & type | 4 in line | Pressure @ Low idle(kPa) | 207 | ||||||
| Air intake way | Natural aspiration | Pressure @ Rated speed(kPa) | 345 | ||||||
| Bore*Stroke(mm) | 102*120 | Max.oil temperature | 121 | ||||||
| Displacement (L) | 3.9 | Lubrication system capacity(L) | 10.9 | ||||||
| Speed-droop | 5% | Usage inclinng degree permitted | 40º | ||||||
| Compression ratio | 16.5 : 1 | FUEL SYSTEM | |||||||
| Rated speed(RPM) | 1500 | Injection pump model | AD with GAC | ||||||
| Rated power(KW) | 24KW (30KVA) | Pipe of injection(mmHg) | 254 | ||||||
| Gross power(KW) | 27KW (33.75KVA) | Total fuel overflow(L/h) | 30 | ||||||
| Torque (Nm) | 153 | CONSUMPTION | |||||||
| Low Idle speed(rpm) | 850-950 | 110% (L/h) | 26.4KW / 33KVA | 7.5 | |||||
| Piston speed(m/s) | 6 | 100% (L/h) | 24KW / 30KVA | 6.7 | |||||
| Coolant flow(L/s) | 2.2 | 75% (L/h) | 18KW/ 22.5KVA | 5.2 | |||||
| Air intake flow(L/s) | 32.8 | 50% (L/h) | 12KW / 15KVA | 4 | |||||
| Exhaust flow(L/s) | 67.5 | 25% (L/h) | 6KW / 7.5KVA | 2.7 | |||||
| Exhaust temperature(ºC) | 380 | COOLING SYSTEM | |||||||
| EXHAUST SYSTEM | Coolant capacity (engine) (L) | 7.2 | |||||||
| Max.back of pressure (mmHg) | 76 | Max.coolant cycling resistance exterior engine(kPa) | |||||||
| Diameter of exhaust pipe(mm) | 50 | 28 | |||||||
| AIR INTAKE SYSTEM | Thermostat temperature (ºC) | 83-95 | |||||||
| Air intake way | Natural aspiration | ELECTRIC SYSTEM | |||||||
| Max.air intake resistance | Battery | 2*12V | |||||||
| Normal air cleaner & filter(mmH2O) | 254 | Battery charging system (A) | 63 | ||||||
| Heavy duty cleaner & filter(mmH2O) | 305 | Starter motor (V) | 24V DC | ||||||
| Diameter of intake pipe(mm) | 75 | Battery type | Lead Acid battery | ||||||
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