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

Welcome

Home
About
News
Gallery
Products:
Generators
Transferswitches
Fuel Tanks
Trailers
Controllers
Product Literature
Parts
Service
Trouble Shooting
Warranty
Contact Us
Dealer Locator





Serious Fisherman Series - 21SF

21 kW 60 Hz
17.5 kVA 50 Hz

Needs Pic 21SF
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 (Blue)
Rubber Isolation Mounts
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
4 Pole
4
AVR
Class "H"
221° F ( 105°C)
Sealed
Direct Bolt Up
1%
1
1.0
21
17.5

Generator Ratings:

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

175
87.5
?
?

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
Isuzu
4LE
4 Cylinder, 4 Cycle
133 cu. in. (3302 cu. mm)
3.34 in. (84.83 mm)
3.77 in. (95.75 mm)
21.5:1
1800
1500
34.5
27.8
Cast Iron
Cast Iron
Mechanical
3-5%
Replaceable Element

Engine Electrical System:
Ignition System
Battery Charging System Voltage (DC)
Battery Charging System (Amps)
Starter System Voltage (DC)
Battery Recommendation (CCA)
Battery Voltage (DC)
Starter kW
Electrical
12 Volt
35
12 Volt
500
12 Volt
2.0

Fuel System:
Fuel Shutoff Solenoid
Fuel Pump Priming
Fuel Pump
Fuel Type
Fuel Pump Lift
Fuel Line Supply
Fuel Line Return
Electrical
Electrical
Mechanical
#2 Diesel
3.28 ft. (.99 m)
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
1.80 GPH (6.81 LPH)
1.41 GPH (5.33 LPH)
.980 GPH (3.70 LPH)

N/A
N/A
N/A

Cooling System:
Manifold
Engine Coolant Capacity
Water Pump Type
Fan Diameter *
Fan & Alternator (HP) *
Fan Type *
Fan Rotation (from front of engine)
* Used only on sound shield models
Water Jacket
3.0 qts. (2.8 L)
Centrifugal
9.5 in. (241.3 mm)
1
6 Blade Pusher
Clockwise

Lubrication System:
Type
Engine Oil Capacity With Filter
Oil Filter Type
Pressurized
8.6 qts. (8.13 L)
Spin On

Exhaust System:
Exhaust Type
Max Allowable Back Pressure
Exhaust Outlet Size
Wrapped Shield
4.9 in. hg (124.46 mm hg)
1.25 in. NPT (50.8 mm) dia.

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

67 cu. ft/min (20.42 m/min)

N/A
220 cu. ft/min (67.05 cu. m/min)
4" (101.6 mm) Min. All Sides

Sound Table:
dB(A) Without Sound Shield
Load
3'
10'
21'
100%
84
81
78
75%
83
81
77
50%
83
80
75

dB(A) With Sound Shield
Load
3'
10'
21'
100%
70
68
66
75%
71
66
64
50%
70
65
63

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

Created By: Ctrl Alt Media