Cummins Onan Commercial Generator
Commercial SD 20000
- Low vibration for smooth operation
- Powerful 40 hp engine
- User-friendly remote control option
- Cross-flow radiator for increased cooling efficiency
- Complete, integrated package for easy, low-cost installation
- Integrated muffler for added quiet; easy installation
- Service and maintenance points easily accessible (single-side)
- Interim Tier IV emissions
- 4-cylinder diesel engine
- Brushless alternator
- Semi-focalized mounting system with 4-point vibration isolation
- Cross-flow radiator
- Drip catcher for oil filter replacement
- Vertically mounted fuel filter
- Replaceable element air cleaner
- Down and up exhaust options available
- 30 A battery charging DC alternator
- Lifting bracket
- Automatically timed glow plugs for easy starting
- Base pan for drip control
- Electric fuel pump
- Side air inlet, bottom air outlet
- Spark arresting muffler
- Bulkhead type connections for fuel and battery
- Service and maintenance points easily accessible (single-side)
- Instant one-touch stop
- Over voltage, low oil pressure, over temp, over speed and over load safeties
- Vibration isolated control box
Weight, Size & Sound Levels
Weight: 875 lb (397 kg)
Size: Length 52 in (1320 mm), width 24.0 in (610 mm), height 28.0 in (711 mm)
Sound: Less than 80 dB(A) at 10 ft (3 m) before installation, full load
Model Ratings
| Models | Fan | Hz | Watts | Voltage | Amps | PF | Phase | Circuit Breaker |
| 20HDKAW | Scroll | 60 | 20000 | 120/240 | 167/83 | 1.0 | 1 | 2 pole, 90 A |
Specification sheet Operator manual
- All 60 Hz models operate at 1800 r/min.
- Ratings apply up to 500 ft (152.4 m) altitude, 104° F (40° C) ambient with No. 2 diesel fuel.
- Maximum power decreases 3.5% for each 1000 ft (305 m) above 500 ft (153 m) and 1% for each 10° F (5.5° C) increase in ambient temperature above 85° F (29° C).
- Ratings are at intermitten power output. Continuous ratings are 90% of intermittent.
Warranty
The Cummins Onan limited warranty covers virtually everything except routine maintenance for the first two years you own your generator set, or the first 2,000 hours of operation, whichever comes first. In addition, it includes a free 90-day adjustment policy, which provides that Cummins Inc. will make minor adjustments to your new generator set during the first three months you own it – free of charge!
