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 Excellent 4.9 | 18,452 reviews

Aurora Generators Roughneck 40 kW Diesel Tier 4 Generator | Multi-Phase Selector | RO0040D4KSXP - RO0040D4KSXP

Aurora Generators Roughneck 40 kW Diesel Tier 4 Generator | Multi-Phase Selector | RO0040D4KSXP - RO0040D4KSXP

Regular price $41,340.99
Regular price $41,340.99 Sale price $55,120.00
SAVE 24% Sold out
Aurora Generators Roughneck 40 kW Diesel Tier 4 Generator | Multi-Phase Selector | RO0040D4KSXP - RO0040D4KSXP

Aurora Generators Roughneck 40 kW Diesel Tier 4 Generator | Multi-Phase Selector | RO0040D4KSXP - RO0040D4KSXP

Regular price $41,340.99
Regular price $41,340.99 Sale price $55,120.00
SAVE 24% Sold out

Aurora Generators Roughneck 40 kW Diesel Tier 4 Generator | Multi-Phase Selector | RO0040D4KSXP - RO0040D4KSXP

  • 40 kW Prime Rated Output – Delivers 50 kVA (3-phase) or 36 kW (single-phase) at 0.8 PF

  • DOOSAN DM03PG Tier 4 Final Diesel Engine – Efficient, liquid-cooled engine meeting EPA Tier 4 standards

  • STAMFORD UCI224F Alternator – Robust brushless alternator for reliable and clean power output

  • DEEPSEA Digital Controller – Multi-feature controller with synchronization, automatic sequence, and fault diagnostics

  • Multi-Phase Selector (1P/3P) – Allows flexible switching between single- and three-phase configurations

  • Sound/Weather Level II Enclosure – UL‑2200 certified housing for quiet, weather-resistant operation

  • Stationary Configuration – Designed for fixed installation with continuous duty capability

What our Experts Think
  • Extreme backup power capability: The Smart Generators Motorhead SG11004 delivers 12,000 running watts and 20,000 starting watts on LPG, making it a powerhouse for whole-home backup, commercial use, job sites, and demanding equipment.
  • Premium Honda engine performance: Built with a Honda GX630 OHV dual-fuel engine, this generator combines trusted engine reliability with the flexibility needed for long-term emergency power applications.
  • Dual-fuel advantage: Designed to operate on propane (LPG) and natural gas, it eliminates gasoline storage concerns and provides more options during extended outages.
  • Professional-grade power quality: The Mecc Alte alternator with 100% copper windings and automatic voltage regulation (AVR) delivers stable electricity with less than 4% THD, helping protect sensitive electronics.
  • Home and commercial ready: Compatible with a 50A manual transfer switch, it can support major household loads including central air conditioning, pumps, refrigerators, appliances, and essential systems.
  • Built for durability and mobility: A rugged frame, commercial four-wheel mobility kit, electric start, digital display, and low-oil shutdown protection make operation and maintenance easier.
  • Long runtime capability: When running on propane, it can provide up to 10 hours of runtime at 50% load with a 40 lb fuel tank, making it suitable for prolonged backup scenarios.
  • Expert verdict: A premium high-output generator engineered for users who need exceptional wattage, Honda reliability, dual-fuel flexibility, and professional-grade performance for serious backup power needs.

Q&A

Q: How much power does the Smart Generators The Motorhead® SG11004 provide?
A: The Motorhead SG11004 delivers 12,000 running watts and 20,000 starting watts on LPG, providing powerful backup energy for homes, businesses, and job sites.

Q: Is the Smart Generators The Motorhead SG11004 a dual-fuel generator?
A: Yes, it operates on both propane (LPG) and natural gas, giving you flexible fuel options during emergencies and extended power outages.

Q: What engine does the SG11004 use?
A: It features a premium Honda GX630 OHV dual-fuel engine designed for reliable, high-performance power generation.

Q: Can the Motorhead SG11004 power a whole home?
A: Yes, its high output capacity can support essential household systems, including central air conditioning up to 5 tons, pumps, refrigerators, appliances, electronics, and more when properly connected.

Q: Does the SG11004 have electric start?
A: Yes, it includes electric start for convenient operation and also features low-oil shutoff protection for added engine safety.

Q: Does the Motorhead SG11004 produce clean power for electronics?
A: Yes, its Mecc Alte alternator with Automatic Voltage Regulation (AVR) provides stable power with less than 4% THD, helping protect sensitive electronics.

Q: How long can the SG11004 run on propane?
A: It provides up to 10 hours of runtime at 50% load when using a 40 lb propane tank.

Q: Is the Motorhead SG11004 compatible with a transfer switch?
A: Yes, it is compatible with a 50-amp manual transfer switch for convenient home backup power connections.

Q: What outlets are included on the SG11004?
A: It includes GFCI outlets, twist-lock outlets, and a 120V/240V 50-amp outlet for versatile power connections.

Q: Is the Smart Generators The Motorhead SG11004 CARB and EPA compliant?
A: Yes, it meets EPA requirements and is CARB approved for emissions compliance.


Maintenance Tips
  • Check engine oil before every use and change oil at recommended intervals to protect the Honda GX630 OHV engine and maintain reliable performance.
  • Replace or clean the air filter regularly to maintain proper airflow, fuel efficiency, and engine performance.
  • Inspect spark plugs and ignition components periodically for reliable starting and smooth operation.
  • Check LPG and natural gas fuel connections for secure fittings, leaks, and proper fuel supply before operation.
  • Keep the engine area, alternator, and cooling vents clean to prevent overheating and maintain efficient operation.
  • Inspect battery terminals and electric start components to ensure dependable startup when needed.
  • Check circuit breakers, GFCI outlets, and twist-lock connections regularly for safe power delivery.
  • Monitor the digital display for voltage, frequency, runtime hours, and maintenance tracking.
  • Run the generator periodically to keep internal components lubricated and ensure emergency readiness.
  • Store in a clean, dry, covered location and protect fuel system components during extended storage
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