Kohler 12RES

TP-6515 2/2110 Introduction
Nameplate
The following illustration shows a typical generator set
nameplate. Copy the model, serial, and specification
numbers from the nameplate into the spaces provided in
the product information section on the inside front cover
of this manual. See Section 1.6 for the nameplate
location.
Emission Information
The Kohler Model CH640 engine used on the model
8.5RES generator set, CH740 engine used on the
12RES generator set, and CH980 engine used on the
17/18RES generator set are certified to operate using
natural gas or propane fuel.
The Emission Compliance Period referred to on the
Emission Control or Air Index label indicates the number
of operating hours for which the engine has been shown
to meet CARB or EPA emission requirements. The
following table provides the engine compliance period
(in hours) associated with the category descriptor, which
may be found on the certification label.
Emission Compliance Period
EPA
Category C
250 hours
Category B
500 hours
Category A
1000 hours
CARB
Moderate
125 hours
Intermediate
250 hours
Extended
500 hours
Figure 2 Emission Compliance Period
Refer to the certification label for engine displacement.
The exhaust emission control system for the CH640,
CH740, and CH980 engines is EM for U.S. EPA,
California, and Europe.
The engine used in the Model 17/18RES generator set
is certified for emergency standby use only.