| Rating : Model | Fuel / Emission Strategy |
| 12.1 ekW : C1.5 (SP) (240V) | EPA Tier 4 Interim |
| 13 ekW : C1.5 | EPA Tier 4 Interim |
| 13 ekW : C1.5 (208V) | EPA Tier 4 Interim |
| 18 ekW : C2.2 (SP) (240V) | EPA Tier 4 Interim |
| 20 ekW : C2.2 | EPA Tier 4 Interim |
| 20 ekW : C2.2 (208V) | EPA Tier 4 Interim |
| 21.2 ekW : C2.2 (SP) (240V) | EPA Tier 4 Interim |
| 23.3 ekW : C2.2 (SP) (240V) | EPA Tier 4 Interim |
| 25 ekW : C2.2 | EPA Tier 4 Interim |
| 25 ekW : C2.2 (208V) | EPA Tier 4 Interim |
| 30 ekW : C2.2 | EPA Tier 4 Interim |
| 30 ekW : C2.2 (208V) | EPA Tier 4 Interim |
| 36 ekW : C4.4 (SP) (240V) | EPA Tier 3 / Stationary Emergency |
| 37.1 ekW : C4.4 (SP) (240V) | EPA Tier 3 / Stationary Emergency |
| 40 ekW : C4.4 | EPA Tier 3 / Stationary Emergency |
| 40 ekW : C4.4 (208V) | EPA Tier 3 / Stationary Emergency |
| 40 ekW : C4.4 (240V) | EPA Tier 3 / Stationary Emergency |
| 46.6 ekW : C4.4 (SP) (240V) | EPA Tier 3 / Stationary Emergency |
| 50 ekW : C4.4 | EPA Tier 3 / Stationary Emergency |
| 50 ekW : C4.4 (208V) | EPA Tier 3 / Stationary Emergency |
| 50 ekW : C4.4 (240V) | EPA Tier 3 / Stationary Emergency |
| 60 ekW : C4.4 | EPA Tier 3 / Stationary Emergency |
| 60 ekW : C4.4 (208V) | EPA Tier 3 / Stationary Emergency |
| 60 ekW : C4.4 (240V) | EPA Tier 3 / Stationary Emergency |
| 60.4 ekW : C4.4 (SP) | EPA Tier 3 / Stationary Emergency |
| 77.3 ekW : C4.4 (SP) | EPA Tier 3 / Stationary Emergency |
| 80 ekW : C4.4 | EPA Tier 3 / Stationary Emergency |
| 80 ekW : C4.4 (208V) | EPA Tier 3 / Stationary Emergency |
| 80 ekW : C4.4 (240V) | EPA Tier 3 / Stationary Emergency |
| 100 ekW : C4.4 | EPA Tier 3 / Stationary Emergency |
| 100 ekW : C4.4 (208V) | EPA Tier 3 / Stationary Emergency |
| 100 ekW : C4.4 (240V) | EPA Tier 3 / Stationary Emergency |
| 125 ekW : C6.6 | <!-- standby 125ekw--> EPA Tier 3 / Stationary Emergency |
| 150 ekW : C6.6 | <!-- standby 150ekw--> EPA Tier 3 / Stationary Emergency |
| 175 ekW : C6.6 | <!-- standby 175ekw--> EPA Tier 3 / Stationary Emergency |
| 200 ekW : C9 ACERT | <!-- Standby 200 ekW--> EPA Tier 3 / Stationary Emergency |
| 200 ekW : C9 ACERT (600V) | <!-- Standby 200 ekW--> EPA Tier 3 / Stationary Emergency |
| 230 ekW : 3306B | Low BSFC |
| 250 ekW : 3306B | Low BSFC |
| 250 ekW : C9 ACERT | <!-- Standby 250 ekW--> EPA Tier 3 / Stationary Emergency |
| 300 ekW : 3406C | <!-- Standby 300 ekW--> Low BSFC |
| 300 ekW : C9 ACERT | <!-- Standby 300 ekW--> EPA Tier 3 / Stationary Emergency |
| 300 ekW : C9 ACERT (600V) | <!-- Standby 300 ekW--> EPA Tier 3 / Stationary Emergency |
| 350 ekW : C15 ACERT | Low BSFC |
| 350 ekW : 3406C | <!-- Standby 350 ekW--> Low BSFC |
| 350 ekW : C15 ACERT | EPA Tier 3 / Stationary Emergency |
| 400 ekW : 3406C | <!-- Standby 400 ekW--> Low BSFC |
| 400 ekW : C15 ACERT | Low BSFC |
| 400 ekW : C15 ACERT | EPA Tier 3 / Stationary Emergency |
| 400 ekW : C15 ACERT (600V) | EPA Tier 3 / Stationary Emergency |
| 450 ekW : C15 ACERT | Low BSFC |
| 450 ekW : C15 ACERT | EPA Tier 3 / Stationary Emergency |
| 500 ekW : C15 | <!-- Standby 500 ekW--> EPA Tier 4 Interim |
| 500 ekW : C15 ACERT | EPA Tier 2 / Stationary Emergency |
| 500 ekW : C15 ACERT | Low BSFC |
| 500 ekW : C15 ACERT (600V) | EPA Tier 2 / Stationary Emergency |
| 550 ekW : C15 ACERT | EPA Tier 2 / Stationary Emergency |
| 550 ekW : C15 ACERT | Low BSFC |
| 550 ekW : C18 | <!-- Standby 550 ekW--> Low BSFC |
| 550 ekW : C18 | <!-- Standby 550 ekW--> EPA Tier 2 / Stationary Emergency |
| 600 ekW : C18 | <!-- Standby 600 ekW--> EPA Tier 2 / Stationary Emergency |
| 600 ekW : C18 ACERT (600V) | EPA Tier 2 / Stationary Emergency |
| 600 ekW: C18 | <!-- Standby 600 ekW--> Low BSFC |
| 650 ekW : C27 ACERT | EPA Tier 2 / Stationary Emergency |
| 650 ekW : C27 ACERT | Low BSFC |
| 700 ekW : C27 ACERT | EPA Tier 2 / Stationary Emergency |
| 700 ekW : C27 ACERT | Low BSFC |
| 700 ekW : C27 ACERT (600V) | EPA Tier 2 / Stationary Emergency |
| 750 ekW : C27 ACERT | EPA Tier 2 / Stationary Emergency |
| 750 ekW : C27 ACERT | Low BSFC |
| 800 ekW : C27 | <!-- Standby 800 ekW--> EPA Tier 4 Interim |
| 800 ekW : C27 ACERT | EPA Tier 2 / Stationary Emergency |
| 800 ekW : C27 ACERT | Low BSFC |
| 800 ekW : C27 ACERT (600V) | EPA Tier 2 / Stationary Emergency |
| 1000 ekW : C32 | <!-- Standby 1000 ekW--> Low BSFC |
| 1000 ekW : C32 | <!-- Standby 1000 ekW--> EPA Tier 2 / Stationary Emergency |
| 1000 ekW : C32 ACERT (600V) | EPA Tier 2 / Stationary Emergency |
| 1100 ekW : 3512 | Low BSFC |
| 1100 ekW : 3512 (12470V) | Low BSFC |
| 1250 ekW : 3512 | Low BSFC |
| 1250 ekW : 3512 (12470V) | Low BSFC |
| 1400 ekW : 3512B | Low Emissions |
| 1400 ekW : 3512B | Low BSFC |
| 1400 ekW : 3512B (12470V) | Low Emissions |
| 1400 ekW : 3512B (12470V) | Low BSFC |
| 1500 ekW : 3512B | Low Emissions |
| 1500 ekW : 3512B | Low BSFC |
| 1500 ekW : 3512B (12470V) | Low Emissions |
| 1500 ekW : 3512B (12470V) | Low BSFC |
| 1500 ekW : 3512C | EPA Tier 2 / Stationary Emergency |
| 1500 ekW : 3512C (600V) | EPA Tier 2 / Stationary Emergency |
| 1500 ekW : 3512C (12470V) | EPA Tier 2 / Stationary Emergency |
| 1750 ekW : 3516 | Low BSFC |
| 1750 ekW : 3516 (12470V) | Low BSFC |
| 2000 ekW : 3516B | Low Emissions |
| 2000 ekW : 3516B | Low BSFC |
| 2000 ekW : 3516B (12470V) | Low Emissions |
| 2000 ekW : 3516B (12470V) | Low BSFC |
| 2000 ekW : 3516C | EPA Tier 2 / Stationary Emergency |
| 2000 ekW : 3516C (600V) | EPA Tier 2 / Stationary Emergency |
| 2000 ekW : 3516C (12470V) | EPA Tier 2 / Stationary Emergency |
| 2000 ekW : 3516C HD | EPA Tier 4 Interim |
| 2000 ekW : 3516C HD (4160V) | EPA Tier 4 Interim |
| 2000 ekW : 3516C HD (12470V) | EPA Tier 4 Interim |
| 2000 ekW : 3516C HD MC | EPA Tier 4 Interim |
| 2000 ekW : 3516C HD MC (4160V) | EPA Tier 4 Interim |
| 2000 ekW : 3516C HD MC (12470V) | EPA Tier 4 Interim |
| 2000 ekW : 3606 | Low BSFC |
| 2250 ekW : 3516B | Low BSFC |
| 2250 ekW : 3516B (12470V) | Low BSFC |
| 2500 ekW : 3516C | EPA Tier 2 / Stationary Emergency |
| 2500 ekW : 3516C (600V) | EPA Tier 2 / Stationary Emergency |
| 2500 ekW : 3516C (12470V) | EPA Tier 2 / Stationary Emergency |
| 2500 ekW : 3516C HD | EPA Tier 4 Interim |
| 2500 ekW : 3516C HD (4160V) | EPA Tier 4 Interim |
| 2500 ekW : 3516C HD (12470V) | EPA Tier 4 Interim |
| 2500 ekW : 3516C HD MC | EPA Tier 4 Interim |
| 2500 ekW : 3516C HD MC (4160V) | EPA Tier 4 Interim |
| 2500 ekW : 3516C HD MC (12470V) | EPA Tier 4 Interim |
| 2660 ekW : 3608 | Low BSFC |
| 3000 ekW : C175-16 | EPA Tier 2 / Stationary Emergency |
| 3000 ekW : C175-16 | Low BSFC |
| 3000 ekW : C175-16 (4160V) | EPA Tier 2 / Stationary Emergency |
| 3000 ekW : C175-16 (4160V) | Low BSFC |
| 3000 ekW : C175-16 (12470V) | EPA Tier 2 / Stationary Emergency |
| 3000 ekW : C175-16 (12470V) | Low BSFC |
| 3100 ekW : C175-16 | EPA Tier 2 / Stationary Emergency |
| 3100 ekW : C175-16 (600V) | EPA Tier 2 / Stationary Emergency |
| 3100 ekW : C175-16 (4160V) | EPA Tier 2 / Stationary Emergency |
| 3100 ekW : C175-16 (12470V) | EPA Tier 2 / Stationary Emergency |
| 4000 ekW : 3612 | Low BSFC |
| 4000 ekW : C175-20 (4160V) | EPA Tier 2 / Stationary Emergency |
| 4000 ekW : C175-20 (4160V) | Low BSFC |
| 4000 ekW : C175-20 (12470V) | Low BSFC |
| 4000 ekW : C175-20 (12470V) | EPA Tier 2 / Stationary Emergency |
| 5320 ekW : 3616 | Low BSFC |
