Kubota SQ-3140 generator


SQ Series

  • Prime Output 11.2 kVA
  • Standby Output 12.3 kVA
  • Frequency: 50 HZ
  • Phase: Three
Features & Benefits

Dependable Generation

  • Direct Coupled
  • Excellent Load Characteristics

Clean Emissions

  • Diesel engines selected to power the heavy-duty SQ series produce far less soot, HC and CO emissions thanks to Kubota original E-TVCS combustion.

Ease of Operation 

  • Improved Enclosure with a Noise Absorbing Duct
  • Over-Sized Muffler has lowered the sound level
  • Quiet Cooling Fan
  • Compact & Easy to Transport

Carefree Maintenance

  • Easy One Side Maintenance
  • Locking Control Panel Door
  • Automatic Air-Bleeding
  • Automatic Start System

Increased Safety

  • Designed with Safety in Mind
  • Safety Door Interlocks
  • Safe Enclosure


Type-Revolving field, brushless AC generator
Standby OutputkVA (kW)15.4 (12.3)
Prime OutputkVA (kW)14.0 (11.2)
Voltage - Single PhaseV220
Voltage - Three PhaseV380
Armature Connection-Star with neutral
Phase / Wire-3/12
Power Factor-0.8
No. of Poles-4
Voltage Regulation%1.5 (No load to full load)
Type of Coupling-Direct coupled
Three Phase 380V21.321.3
Type-Vertical, water-cooled, 4-cycle diesel engine
No. of Cylinders-3
Bore x Strokemm (in.)87.0 x 92.4 (3.43 x 3.64)
DisplacementL (cu. in.)1.647 (100.5)
Engine Speedrpm1500
Continuous Rated OutputkW (HP)13.6 (18.2)
Lubricant (API classification)-above CD grade
Oil CapacityL (qts.)5.6 (5.9)
Coolant CapacityL (qts.)5.5 (5.8)
Starting System-Electric - 12 volt DC
Fuel Consumption-Diesel fuel No.2 (ASTM D975)
at Full LoadL/h (gal./h)3.8 (1.0)
at 3/4 LoadL/h (gal./h)2.9 (0.8)
at 1/2 LoadL/h (gal./h)2.2 (0.6)
at 1/4 LoadL/h (gal./h)1.6 (0.4)
Fuel Tank Capacity - Continuous Operation HoursL (gal.)62.0 (16.4)
at Full Loadh16.3
at 3/4 Loadh21.4
at 1/2 Loadh28.2
at 1/4 Loadh38.8
Battery (Ah/5 h)- 12 V (55 Ah)
Dimensions L x W x Hmm (in.)1675 x 780 x 970 (65.9 x 30.7 x 38.2)
Approx. Net Weightkg (lbs.)640 (1411)
Sound Level (Full Load at 23 ft. [7m])dB (A)61
Emergency Stop System-In case of abnormal: Oil pressure, water temperature, fan belt broken When the side cover and door open with running