Honda ES4500

Honda ES4500The Honda ES4500 is single-phase AC/DC 115V/230V portable generator with 4.5 kVA of maximum power and 3.6 kVA of rated power and 60 Hz of rated frequency. The direct current terminals can be used for charging 12-volt automotive-type batteries only up to 8.3A.

The Honda ES4500 generator uses a single-cylinder Honda G400 K1 gasoline engine (406 cc; 24.8 The engine has a side-valve (L-head) design and camshaft driven by a single row chain driven by the crankshaft. The G400 uses a horizontal carburetor with a butterfly valve and CDI ignition system. The cylinder bore and the piston stroke are 86.0 mm (3.4 in) and 70.0 mm (2.8 in), respectively. The compression ratio rating is 6.5:1.

The G400 produced 10.0 HP (7.45 kW) at 3600 rpm of maximum horsepower and torque was 22.5 Nm (2.3 kg·m) at 3600 rpm.

General information

Generator Specifications
Model Honda ES4500
Dimensions (L x W x H): 715 x 504 x 693 mm (28.2 x 19.8 x 27.3 in)
Dry weight (without tines) 103.0 kg (227 lbs)
AC Rated voltage: 115V/230V
AC Rated output: 3.6 KVA (3,600 watts), 31.3A/15.7A
AC Maximum output: 4.5 KVA (4,500 watts)
AC Cycles: 60 Hz
DC output: Only fo charging 12V automotive batteries
Maximum charging output – 8.3A
Fuel tank capacity 17 liters (4.5 US gal, 3.7 Imp. gal)
Engine model Honda G400
Displacement 406 cm3 (24.8 cu-in)
Bore x stroke 86.0 x 70.0 mm (3.39 x 2.76 in)
Max. horsepower 10.0 HP (7.45 kW) at 3600 rpm
Max. torque 22.5 Nm (2.3 kg·m) at 3600 rpm
Carburetor Horizontal type, butterfly valve
Cooling system Forced-air
Ignition system CDI
Lubricating system Splash
Starting system Electric starter
Stoping system Ignition primary circuit ground
Fuel used Unleaded gasoline (octane number 86 or higher)

Maintenance data

Idle speed 1,400 ± 150 rpm
Cylinder compression 5.3 kg/cm2 (75 psi)
Adjust timing ignition
Ignition timing The CDI type does not require adjustment
Adjust valve clearance
Intake valve 0.05-0.11 mm (0.0020-0.0043 in)
Exhaust valve 0.09-0.15 mm (0.0035-0.0059 in)
Oil system
Oil type Honda 4-stroke “SE”
Recommended oil 10W-40
Oil capacity 1.2 L (2.54 US pt.)
Main jet #102
Float height 8.6 mm (0.34 in)
Ignition system
Spark plug NGK: BPR4HS-10, ND: W14FPR-UL10
Spark plug gap 0.9-0.10 mm (0.035-0.039 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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