EPA Emission Data Sheet

ManualsBrandsCummins Power Generation ManualsLiquid-CooledCummins RS40 Quiet Connect™ Series 40kW Standby Power Generator (120/240V Single-Phase)

2017 EPA exhaust emission

compliance statement

C40 N6

Standby

60 Hz Spark ignited generator set

Cummins Inc. Data and specification subject to change without notice EPA-1240

(10/17)

Compliance information:

The engine used in this generator set complies with U.S. EPA emission regulations under the provisions of 40 CFR

Part 60, Stationary Emergency Spark-Ignited emissions limits when tested on 6 mode cycle of Part 90.

Engine manufacturer:

Cummins Inc.

EPA certificate number:

HCEXB02.4AAA-007

Effective date:

12/08/2016

Date issued:

12/08/2016

EPA engine family:

HCEXB02.4AAA

Engine information:

Model:

QSJ2.4

Bore:

3.41 in. (86.5 mm)

Engine nameplate HP:

Natural gas 70

Propane 70

Stroke:

3.94 in. (100 mm)

Type:

4 cycle, in-line, 4 cylinder

Displacement:

146.46 cu. in. (2.4 liters)

Aspiration:

Turbocharged after-cooled

Compression ratio:

9.5:1

Emission control device:

Electronic air/fuel ratio control,

and closed-loop breather

system.

U.S. Environmental Protection Agency stationary emergency SI emission limits

Natural gas and propane fuel emission

limits

Grams per BHP-hr

Grams per kWm-hr

NOx + HC

Test results (natural gas)

5.04

39.4

6.8

52.8

Test results (propane)

6.48

51.7

8.7

69.3

EPA emissions limit

10.0

387.0

13.4

519.0

Note:

Tests conducted using alternate test methods, instrumentation, fuel or reference conditions can yield different results.

Engine operation with excessive air intake or exhaust restriction beyond published maximum limits, or with improper maintenance, may

result in elevated emission levels.