Product Card

PP20S
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Engine Specification Alternator Specification
Brand Perkins (UK) Brand Leroy Somer
Model 404D-22G Model LSA42.2L9
No. of Cylinders and Cycle
4L, 4 Stroke
Rated Output (kVA) 24.8
Induction System NA Ratedcurrent ( A) 90.9
Compression Ratio 23.3：1 Exciter Brushless
Displacement (L) 2.2 THF(BS EN60034- 1) <2%
Bore x Stroke(mm) 84 x 100 Bearing number Single
Ambient Temp ()℃ 25 Windings 100% Copper
Continuous Rated Power (kW) 18.4 Connection Type Star Connection
Speed (rev/min) 1500 Insulation Class Class H
Cooling Air Flow (L/min) 40.3 Winding Pitch 2/3
Air Intake Flow (m³/min) 1.45 Amortisseur Winding Full
Exhaust Gas Flow (m³/min) 3.64 A.V.R. Model R438
Exhaust Gas Temperature
outlet ()℃
445
Voltage Regulation (no
load- full load)
± 1.0%
Starting System E Underspeed Protection Standard
Battery Voltage/Capacity 12VDC/40A/100 Protection IP23
110% load Phase Sequence A(U), B(V), C(W)
100% load 5.4 TIF (NEMA MG 1-22) <50
75% load 4.0 Excitation System Self-excited, PMG optional
Fuel
Consumption
(L/h)
50% load 2.9 AmbientTemp (℃) 40
Governor Type Mechanical Stator Rated Temp ()℃ 125
Cooling System Fuel System
Radiator Type of Injection
Indirect injection
Face Area (m
2
) 0.167 Fuel injection pump
Cassette type
Rows and Materials 2 row, Aluminium Fuel inject
Pintle nozzle
Width of Matrix (mm)
334.2
Nozzle opening
pressure (MPa)
14.7
Height of Matrix (mm)
500
Fuel Lift Pump
Pressure Cap Setting (kPa)
90
Flow/hour (L/h)
63
Pressure (kPa)
10
Fan Governor Type
Mechanical
Diameter (mm)
320
Drive Ratio
1.15 : 1
Lubricating System
Number of Blades
7
Lubricating Oil Capacity
Material
Plastic
Total System (L)
10.6
Type
Pusher
Minimum (L)
8.9
Coolant Lubricating Oil Pressure
With Radiator (L)
7.0
Relief Valve Open(kPa)
352-448
Total
System
Capacity
Without Radiator
(L)
3.6
Normal Oil Temp (℃)
125
Exhaust System Electrical System
Max. Back Pressure (kPa)
10.2
Alternator (A/V)
65/12
Exhaust Outlet Size (mm)
42
Starting Motor (kW/V)
2/12