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GENERAL
INFORMATION
Master portable generators are rugged and compact. These models provide depend-
able, trouble-free service. The alternators are brushless with revolving fields. Honda
gasoline engines provide long life under heavy use. Honda engines have overhead
valves (OHV). This provides high performance with lower fuel consumption. These
engines are governed to maintain engine speed of 3600 RPM under load. 3600 RPM
engine speed provides 120/240V, 60 Hz power.
Additional Features
• Circuit breaker protection
• Spark-arresting muffler
• Large fuel tank
• Oil alert system
• Electric starter (model MGH7000 only)
• 15-Amp ground fault circuit interrupter (GFCI) receptacle
SPECIFICATIONS
MODEL
MGH3000 MGH4000A MGH5000A MGH6000 MGH7000
Electrical Specifications
Rated Wattage 2500 4000 5000 6000 6800
Rated Amperage
120 Volt 20.8 33.3 41.7 50 57
240 Volt –– 16.7 20.8 25 28.3
Receptacle Specifications
120-Volt, 15-Amp GFCI Yes Yes Yes Yes Yes
120-Volt, Twist-Lock No 30 Amp 30 Amp 30 Amp 30 Amp
120/240-Volt, Twist-Lock No 20 Amp 20 Amp 20 Amp 30 Amp
120-Volt Full-Power Switch No Yes Yes Yes No
General Specifications
Honda Engine H.P. 5.5 8 9 11 13
Honda Model
GX160K1VX GX240K1VA GX270VA GX340K1VA GX390K1VXE
Fuel Type Gasoline Gasoline Gasoline Gasoline Gasoline
Fuel Tank Capacity 3.9 qt. 5 gal. 5 gal. 5 gal. 5 gal.
Oil Alert System Yes Yes Yes Yes Yes
Start Method Recoil Recoil Recoil Recoil Electric
Weight (pounds) 85.5 139 173 191 247
* Single-phase, 1.0 power factor
Note: Ratings apply to SAE standard conditions. Reduce ratings 3 1/2% for each 1000 feet
above sea level and 1% for each 10° Fahrenheit rise above 60°F.
UNPACKING
1. Remove generator from carton.
2. Remove any protective packaging applied to generator for shipment.
3. Check for loose or missing parts. Check for shipping damage. If any parts are
missing or damaged, promptly inform dealer where you bought generator.
4. Battery cables are supplied for model MGH7000 only. These cables are in a
separate bag inside generator carton. You must install these cables to engine.
See Battery, page 12 for installation instructions.