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6 Generac
®
Power Systems, Inc.
Section 1 – General Information
QUIETPACT™ 75D Recreational Vehicle Generator
1.5.2 FUEL CONSUMPTION (GAL/HR)
1.5.3 ENGINE OIL REQUIREMENTS
Use a high-quality detergent oil with American
Petroleum Institute (API) classification “For Service
CC.” Detergent oils keep the engine cleaner and
reduce carbon deposits. Use oil having the following
SAE viscosity rating, based on the ambient tempera-
ture range anticipated before the next oil change:
* - in units from the factory
Crankcase and oil filter capacity is approximately 3.5
L or 3.7 U.S. quarts. Do NOT use special additives.
See Sections 3.1 and 3.2 for oil level checking and
changing procedures.
1.5.4 COOLANT
Use a 50:50 mixture that is half low silicate, ethylene
glycol base antifreeze and half soft water. Use only
soft water and only low silicate antifreeze. If desired,
a high-quality rust inhibitor to the recommended
coolant mixture may be added. When adding coolant,
always add the recommended 50-50 mixture.
Do not remove the radiator pressure cap while
the engine is hot; otherwise, serious burns
from boiling liquid or steam could result.
Ethylene glycol base antifreeze is poisonous.
Do not use mouth to siphon coolant from the
radiator, recovery bottle, or any container.
Wash hands thoroughly after handling. Never
store used antifreeze in an open container
because animals are attracted to the smell and
taste of antifreeze, even though it is poisonous
to them.
Do not use any chromate base rust inhibitor
with ethylene glycol base antifreeze; or else,
chromium hydroxide (“green slime”) will form
and cause overheating. Engines that have been
operated with a chromate base rust inhibitor
must be chemically cleaned before adding eth-
ylene glycol base antifreeze. Using any high-sil-
icate antifreeze boosters or additives will also
cause overheating. DO NOT use any soluble oil
inhibitor for this equipment.
1.5.5 ENGINE
Type of Engine ..........................................................ISM Diesel
Cylinder Arrangement ................................................3, in-line
Displacement ................................................58.2 in
3
. (954 cc)
Bore ................................................................2.95 in. (75 mm)
Stroke ............................................................2.83 in. (72 mm)
Compression Ratio ........................................................23-to-1
Combustion Chamber Type ............................Pre-Combustion
Rated Horsepower..........................................13 @ 1,950 rpm
Cylinder Block ............................................................Cast Iron
Number of Main Bearings........................................................4
Number of Teeth on Flywheel..............................................104
Type of Governor ..............................Mechanical, Fixed Speed
Fuel Filter ............................Full Flow Spin-On (Part # 69858)
Oil Filter ........................................Full Flow with Bypass Valve
(Part # 126-70939)
Oil Pressure ................................................................29-71 psi
Type of Cooling System..............Pressurized, Closed Recovery
Cooling Method....................................................Liquid-cooled
Type of Cooling Fan ......................................Centrifugal Puller
Cooling System Capacity ..........................1.4 U.S. gals (5.3 L)
Air Cleaner............................Disposable Filter (Part # C4880)
Starter..........................................................12-volt DC Electric
Recommended Battery ....................70 Ah, 360 Cold-cranking
Amps (Minimum ratings)
Maximum Cranking Current ....................................220 Amps
Ground Polarity ............................................................Negative
1.5.6 GENERATOR
Rated Maximum Continuous AC Output at ...
85º F (29º C) Ambient..........................7,500 Watts (7.5 kW)
100º F (38º C) Ambient ......................7,000 Watts (7.0 kW)
120º F (49º C) Ambient ......................6,000 Watts (6.0 kW)
Rated Voltage................................................120/240 Volts AC*
Rated Maximum Continuous AC Current at ...
7,500 Watts
120 Volts........................................................62.5 Amps
240 Volts........................................................31.2 Amps
7,000 Watts
120 Volts........................................................58.3 Amps
240 Volts........................................................29.2 Amps
6,000 Watts
120 Volts........................................................50.0 Amps
240 Volts........................................................25.0 Amps
Phase ................................................................................Single
Rotor Speed at No Load ..........................................3,780 rpm
Number of Rotor Poles ............................................................2
Engine RPM ......................................................................1,950
Rated AC Frequency ........................................................60 Hz
Battery Charge Voltage............................................14 Volts DC
Battery Charge Current ......................................2 Amps (max)
Weight......................................................................486 Pounds
Length ....................................................36.6 inches (929 mm)
Width......................................................23.8 inches (604 mm)
Height ....................................................22.3 inches (567 mm)
*All units are reconnectable to 120-volt-only AC output.
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DANGER
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Model No Load Half Load Full Load
QUIETPACT™ 75D 0.28 0.45 0.78
(004270-0)
Temperature Oil Grade (Recommended)
Above 100º F (38º C) SAE 15W-40* or SAE 40
40º to 100º F (4.4º to 38º C) SAE 10W-30 or SAE 30
Below 40º F (4.4º C) SAE 5W-20 or 5W-30