Cummins 4BTA3.9-G11
Cummins 4BTA3.9-G11 – Original from Dongfeng Cummins Engine Plant (DCEC), Cummins Joint Venture Plant, 50% shareholding by Cummins USA, original genuine Cummins generator engine.
Our large wholesale of Dongfeng Cummins generator engine brings competitive agent price for Cummins 4BTA3.9-G11. Our diesel generator factory manufacture Cummins generator set with high quality & fast delivery.
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Cummins 4BTA3.9-G11
RATED POWER : 70 kW/93 HP @1500rpm
STANDBY POWER : 80 kW/107 HP @1500rpm
PACKING DETAILS
Dimension : 1100 * 800 * 1200 mm,
G.W : 450 KG
LEAD TIME : Around 10 Business Days
Rugged 4-cycle, industrial diesel delivers reliable power, low emissions and fast response to load changes.
Several alternator sizes offer selectable motor starting capability with low reactance 2/3 pitch windings, low waveform distortion with non-linear loads and fault clearing short-circuit capability.
The PowerCommand® electronic control is standard equipment and provides total genset system integration including automatic remote starting/stopping, precise frequency and voltage regulation, alarm and status message display, AmpSentryTM protection, output metering, auto-shutdown at fault detection and NFPA 110 Level 1 compliance.
Standard integral set-mounted radiator system, designed and tested for rated ambient temperatures, simplifies facility design requirements for rejected heat.
Optional weather protective and sound attenuated enclosures are available.
Dual wall sub-base fuel tanks and in-skid day tanks are also offered.
The genset accepts full rated load in a single step in accordance with NFPA 110 for Level 1 systems.
Further Information - Cummins 4BTA3.9-G11
| GENERAL INFORMATION – Cummins 4BTA3.9-G11 | ||||||||
| Engine Model | Cummins 4BTA3.9-G11 | |||||||
| Engine Type | 4 Cylinders, in Line | |||||||
| Displacement | 3.9 L | |||||||
| Bore * Stroke | 102 * 120 | |||||||
| Net Weight | 350 Kg | |||||||
| Overall Dimension | 867mm*544mm*988m | |||||||
| Manufacture Plant | Dongfeng Cummins Plant | |||||||
| PERFORMANCE DATA – Cummins 4BTA3.9-G11 | ||||||||
| Rated Power | 70 kW/93 HP @1500rpm | |||||||
| Standby Power | 80 kW/107 HP @1500rpm | |||||||
| Torque | N.A | |||||||
| Idle Speed | @950-1050RPM | |||||||
| Fuel Consumption | ≤ 244 g/Kw.h | |||||||
| TECHNICAL SPECIFICATION – Cummins 4BTA3.9-G11 | ||||||||
| Aspiration | Turbocharged & Aftercooled | |||||||
| Fuel System | BYC A Pump/GAC Governor | |||||||
| Governor Type | Electronic, Regulation ≤5% | |||||||
| Compression Ratio | N.A | |||||||
| Electrical System (Starter Motor/Alternator) | 12V/24V | |||||||
| Lowest Starting Temp Without auxiliary system | -12℃ | |||||||
| Engine Cooling Fluid Volume | 8.3 L | |||||||
| Cooling Method | Water Cooled | |||||||
Engine testing with fuel system, water pump and oil pump, without air compressor, alternator, fan, other options and driving accessory. Testing condition：air intake resistance 250 mmHg, exhaust back pressure 50 mmHg.
Engine installation Static bent torque permitted—rear surface of cylinder block N.m 1356 Static bent torque permitted—front surface of cylinder block N.m 435 Static bent torque permitted—flank surface of cylinder block N.m 365 Lubrication system Normal oil pressure range Low idle kPa 207 Rated speed kPa 345 Max.
Oil temperature permitted in oil pan ℃ 121 Oil pan capacity (Max _ Min) L 9.5_8.5 Cooling system Coolant capacity-engine only L 7.2 Max. coolant cycling resistance exterior engine kPa 28 Thermostat adjusting temperature (range) ℃ 82_95 Min. opening pressure of radiator cap kPa 69 Max. coolant temperature permitted _ Standby Power/Base output Power ℃ 104/100 Electric system Starter 12V 24V Battery charging system 63A 40A Max. starting circuit resistance 0.00075Ω 0.002Ω Min. battery capacity_ -12℃ (CCA：Cold Cranking Ampere) 625CCA 312CCA
4B3.9-G/6B5.9-G Series
| Engine Model | Prime Power | Standby Power | Fuel System | Aspiration |
| 4B3.9-G1 (24kw) | 24kW @1500 RPM | 27kW @1500 RPM | BYC A Pump/RSV Governor | Natural Aspiration |
| 4B3.9-G2 (24kw) | 24kW @1500 RPM | 27kW @1500 RPM | BYC A Pump/RSV Governor | Natural Aspiration |
| 4BT3.9-G1 (36kw) | 36kW @1500 RPM | 40kW @1500 RPM | BYC A Pump/RSV Governor | Turbocharged |
| 4BT3.9-G2 (36kw) | 36kW @1500 RPM | 40kW @1500 RPM | BYC A Pump/RSV Governor | Turbocharged |
| 4BTA3.9-G2 (50kw) | 50kW @1500 RPM | 55kW @1500 RPM | BYC A Pump/RSV Governor | Turbocharged/Aftercooled |
| 4BTA3.9-G2 (58kw) | 58kW @1500 RPM | 63kW @1500 RPM | BYC A Pump/RSV Governor | Turbocharged/Aftercooled |
| 4BTA3.9-G11 (70kw) | 70kW @1500 RPM | 80kW @1500 RPM | BYC A Pump/RSV Governor | Turbocharged/Aftercooled |
| 6BT5.9-G1 (86kw) | 86kW @1500 RPM | 92kW @1500 RPM | Weifu A Pump/RSV Governor | Turbocharged |
| 6BT5.9-G2 (86kw) | 86kW @1500 RPM | 92kW @1500 RPM | BYC A Pump/GAC Governor | Turbocharged |
| 6BTA5.9-G2 (106kw) | 106kW @1500 RPM | 116kW @1500 RPM | BYC A Pump/GAC Governor | Turbocharged/Aftercooled |
| 6BTAA5.9-G2 (120kw) | 120kW @1500 RPM | 130kW @1500 RPM | BYC A Pump/GAC Governor | Turbocharged & Intercooled |
| 6BTAA5.9-G12 (140kw) | 140kW @1500 RPM | 155kW @1500 RPM | BYC P7100 Pump | Turbocharged/Charge Air Cooled |
