Norpro
385 Town Street
East Haddam, CT 06423
1-877-4NORPRO

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Navigator Isuzu Series - 4N

4.3 kW 60 Hz
3.8 kVA 50 Hz


Some options may be shown

Standard Features
Generator Specifications
Generator Ratings
Engine Specifications
Engine Electrical System
Fuel System
Fuel Consumption
Cooling System
Lubrication System
Exhaust System
Air Requirements
Sound Table
Navigator Isuzu Literature

Standard Features:
Analog 200 Control Panel
Marine Grade Epoxy Paint (Ultra White)
Oil Drain Kit
10' Remote Extension Harness
Rubber Isolation Mounts
Stainless Steel Drip Pan
Single Lift Point

Generator Specifications:
Type
Leads: Quantity
Voltage Regulator
Insulation Material
Temperature Rise
Bearing(s)
Coupling
Voltage Regulation
Phase Type
Power Factor
kW @ 60 Hz
kVA @ 50 Hz
2 Pole
4
Capacitor
Class "H"
221° F ( 105°C)
Single
J609b
5%
1
1.0
4.3
3.8

Generator Ratings:

Amps @ 120 Volts 60hz
Amps @ 240 Volts 60hz
Amps @ 120 Volts 50hz
Amps @ 240 Volts 50hz

35.8
17.9
31.6
15.1

Engine Specifications:
Manufacturer
Engine: Model Type
Cylinder Arrangement
Displacement
Bore
Stroke
Compression Ratio
Rated RPM 60 hz
Rated RPM 50 hz
Max Power At Rated RPM (HP @ 60hz)
Max Power At Rated RPM (HP @ 50hz)
Cylinder Head Material
Block Material
Governor Type
Frequency Regulation
Air Filter Type
Farymann
18W
Single, 4 Cycle
17.69 cu. in. (449.3 cu. mm)
3.2 in. (81.2 mm)
2.1 in. (53.3 mm)
20:1
3600
3000
6.5
5.9
Cast Iron
Aluminum
Mechanical
3-5%
Replaceable Element

Engine Electrical System:
Ignition System
Starter System Voltage (DC)
Battery Recommendation (CCA)
Battery Voltage (DC)
Starter kW
Electrical or Manual
12 Volt
205
12 Volt
0.9

Fuel System:
Fuel Shutoff Solenoid
Fuel Pump Priming
Fuel Pump
Fuel Type
Fuel Pump Lift
Fuel Line Supply
Fuel Line Return
Electrical
Manual
Mechanical
#2 Diesel
11.81 in. (299.9 mm)
5/16 in. (8 mm)
5/16 in. (8 mm)

Fuel Consumption:
100% Load @ 60 Hz
75% Load @ 60 Hz
50% Load @ 60 Hz

100% Load @ 50 Hz
75% Load @ 50 Hz
50% Load @ 50 Hz
.446 GPH (1.6 LPH)
.334 GPH (1.2 LPH)
.223 GPH (0.8 LPH)

.358 GPH (1.3 LPH)
.268 GPH (1.0 LPH)
.179 GPH (0.6 LPH)

Cooling System:
Raw Water Pump Inlet
Raw Water Pump Type
Raw Water Pump Flow Rate
.3937 in. (10 mm)
Rubber Impeller
10.5 Qts. Min (10 L)

Lubrication System:
Type
Engine Oil Capacity With Filter
Oil Filter Type
Pressurized
1.32 qts. (1.2 L)
Screen

Exhaust System:
Exhaust Type
Max Allowable Back Pressure
Exhaust Outlet Size
Water Cooled
2.8 in. hg
1.5 in. (38.1 mm) dia.

Air Requirements:
Engine Combustion Air Intake Requirements
At 60 Hz
At 50 Hz
Generator End Cooling Requirements
Sound Shield Air Space Requirements

15.4 cu. ft/min (4.69 cu. m/min)
12.8 cu. ft/min
(3.90 cu. m/min)
151.8 cu. ft./min (46.26 cu. m/min)
3" (76.2 mm) Min. All Sides

Sound Table:
dB(A) Without Sound Shield
Load
3'
10'
21'
100%
94
92
89
75%
94
92
89
50%
93
92
88

dB(A) With Sound Shield
Load
3'
10'
21'
100%
79
61
57
75%
78
60
57
50%
77
60
56

Norpro | 385 Town Street, East Haddam, CT 06423 | Toll Free: 1-877-4NORPRO | PH: 1-860-873-0100 | FAX: 1-860-873-0200

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