Kohler 6VSG Service Manual

TP-6844 1/13 Section 1 Specifications 13
Section 1 Specifications
1.1 Introduction
The specification sheets for each generator set
provide specific generator and engine information.
Refer to the generator set specification sheet for
ratings and other data not supplied in this manual.
Consult the generator set installation manual, engine
operation manual, and engine service manual for
additional specifications.
Consult the generator set nameplate for specific
generator set ratings.
1.2 Controller Specifications
Model 6VSG generator sets are equipped with the
VSC controller. For a specific description of the
controller, see the generator set operation manual.
Figure 1-1
Figure 1-1 Controller Specifications
1.3 Engine Service
Generator sets covered in this manual are equipped
with four-cycle, twin cylinder, air-cooled Kohler
engines.
For engine service information and specifications not
covered in this manual, see the engine service
manual. See the List of Related Literature in the
Introduction section.
1.4 Engine Specifications
Figure 1-2
Figure 1-2 Engine Specifications
Environmental Specification All Models
Operating temperature -30 to 70°C
Storage temperature -40 to 85°C
Humidity 0–95% condensing
Power requirements:
Voltage 12 VDC
Current (standby state) 250 mA @ 12 VDC
Engine Specification 6VSG
Manufacturer Kohler
Model CH740
Cycle 4
Number of cylinders 2
Compression ratio 9:1
Displacement, cc (cu. in.) 725 (44)
Rated power, propane fuel,
kW (HP)
The engine max
horsepower at 2900 rpm is
~21.2LPG and 18.5NG.
This unit is underrated by
limiting current to 6 kW.
Rated power, natural gas,
kW (HP)
Rpm, No load 2300
Rpm, Full load 2900
Bore x stroke, mm (in.) 83 x 67 (3.27 x 2.64)
Valve material Steel/Stellite
®
Cylinder block material Aluminum w/cast iron liners
Cylinder head material Aluminum
Piston rings 2 compression/ 1 oil
Crankshaft material Heat-treated ductile iron
Main bearings: number, type 2, parent material
Lubrication system Full pressure
Oil capacity (w/filter), L (qt.) 1.9 (2.0)
Oil pressure, kPa (psi) 172–241 (25–35)
Fuel system LPG or natural gas
Minimum fuel supply
pressure, kPa (in. H
2
O)
LPG and NG: 1.2–2.7 (5–11)
Battery voltage 12 VDC
Battery ground Negative
Spark plug gap, mm (in.) 0.76 (0.030)
Ignition system Capacitor discharge
Starter motor Electric, solenoid shift
Cooling system Air-cooled

Kohler 6VSG Specifications

General

Brand	Kohler
Model	6VSG
Category	Portable Generator
Language	English