Product Manual B
2. Introduction5-2019
15A062J680 (Issue 1) Copyright © 2019 Cummins Inc.
• Warranty Failure Code Manual (F1115C)
• Engineering Application Manual T-030: Liquid Cooled Generator Sets
(A040S369)
2.5 Model Specifications
TABLE 1. MODEL VARIATIONS
Model
Natural Gas or
Propane Vapor
kW Amps Frequency Voltage
C13N6H Both 13 54.2
60 Hz
120/240 VAC
Single Phase
C17N6H Both 17 70.8
C20N6H,
C20N6HC
Natural Gas Only 18 75
Propane Vapor
Only
20 83.3
NOTICE
Maximum load imbalance allowed is 50% of generator set rating.
TABLE 2. COLD WEATHER REQUIREMENTS
Temperature Description
Above 4 °C (40 °F) No starting aids required
–17 to 4 °C (0 to 40 °F) Alternator heater
Below –17 °C (0 °F)
• Alternator heater
• 0W30 oil (see the oil recommendation below)
• Extreme cold weather kit (A054B984) (includes battery and
oil heaters)
TABLE 3. FUEL CONSUMPTION SPECIFICATIONS (AT FULL LOAD)
C13N6H C17N6H
C20N6H,
C20N6HC
Fuel Pressure
Type scfh BTU/hr scfh BTU/hr scfh BTU/hr kPa
in water
column
Natural Gas 217 217,200 246 246,000 256 255,900 0.9–3.0 3.5–12
Propane 85 213,100 100 250,700 108 270,100 1.5–3.0 6–12