TC28(4B3.9-G1)

 25kVA 28kVA Cummins Diesel Generator Specification

Generator Model: TC28
Engine Model: Cummins 4B3.9-G1
Alternator: Leroy-somer/Stamford/ Mecc Alte/ Mamo Power 
Voltage Range:  110V-600V
Electrical Output:   20kW/25kVA prime 
22kW/28kVA standby

(1) Engine Specification

General Performance 
Manufacture: DCEC Cummins
Engine Model: 4B3.9-G1
Engine Type: 4 cycle, in-line, 4-cylinder
Engine Speed: 1500 r.p.m
Base Output Power: 24kW/32hp
Standby Power: 27kW/36hp
Governor Type: Mechnical
Direction of Rotation: Anti-clockWise viewed on flywheel
Air Intake Way: Naturally Aspirated
Displacement: 3.9L
Cylinder Bore * Stroke: 102mm × 120mm
NO. of Cylinders: 4
Compression Ratio: 17.3:1

(2) Alternator Specification

General Data - 50HZ/1500r.p.m 
Manufacture / Brand: Leroy-somer/Stamford/ Mecc Alte/ Mamo Power 
Coupling / Bearing Direct / Single Bearing
Phase 3 Phase
Power Factor Cos¢ = 0.8
Drip Proof IP 23
Excitation Shunt/Shelf excited
Prime Output Power 20kW/25kVA
Standby Output Power 22kW/28kVA
Insulation class H
Voltage regulation ± 0,5 %
Harmonic distortion TGH/THC no load < 3% - on load < 2%
Wave form : NEMA = TIF - (*) < 50
Wave form : I.E.C. = THF - (*) < 2 %
Altitude ≤ 1000 m
Overspeed 2250 min -1

Fuel System

Fuel consumption: 
1- At 100% Standby power 8.0  Litres/hour
2- At 100% Prime power 7.1 Litres/hour
3- At 75% Prime power 5.7 Litres/hour
4- At 50% Prime power 4.3 Litres/hour
Fuel Tank Capacity: 8 Hours at Full Load