TMG-GDI150 15000 Watt Digital Inverter Portable Generator

$3,495.00

Secure an unparalleled, job-ready power source with the TMG-GDI150 15,000 Watt Digital Inverter Portable Generator.
Driven by a robust 714 cc V-twin commercial-grade engine, this unit delivers a formidable 15,000 starting watts and 12,000 running watts of clean, high-performance energy.
Engineered with digital inverter technology, it provides an ultra-low Total Harmonic Distortion (THD ≤3%), making it safe for sensitive electronics on remote construction sites, commercial setups, or as an emergency home backup system.
Featuring a comprehensive, user-friendly control interface, remote start functionality, and rugged portability components, this EPA-compliant generator balances high-capacity output with premium asset protection.

In stock (can be backordered)

Before you order
  • Most orders over $1,000 qualify for free freight. Most shelters and TMG products over $1,000 qualify unless specifically excluded.
  • Loading docks, loading ramps and bridges are excluded from free freight; some Conex-style containers may also require confirmation.
  • Local pickup in Gravois Mills, MO saves $200 at checkout: eligible carts.
  • 🚚 Fast LTL Freight Shipping

  • 🛡️ Manufacturer Warranty

  • 📞 Expert Phone Support

Key Features

  • Massive Power Output: Robust V-twin overhead valve (OHV) gas engine generates 15,000 starting watts and 12,000 running watts to handle high-demand tools and critical utility backups with ease.

  • Clean Inverter Technology: Engineered with a digital inverter system producing a low THD of ≤3%, providing safe, stable, and clean power for computers, diagnostic equipment, and sensitive electronics.

  • Extended Run Time: Generates up to 10 hours of continuous power at 50% load (5 hours at 100% load) from a large 10-gallon fuel tank, maximizing operational efficiency on long shifts.

  • Streamlined Controls & Remote Start: Designed for effortless deployment with a user-friendly panel featuring a convenient one-button electric start and an included wireless remote key fob.

  • Heavy-Duty Portability & Protection: Built on cast iron cylinder liners with integrated low-oil shutoff, overload safeguards, and thermal sensors, all maneuvered easily via two rugged positioning wheels and an ergonomic turning handle.

Technical Specifications

  • Model: TMG-GDI150

  • Alternate Power Options: Also available in 4,000W, 7,250W, and 10,500W configurations

  • Maximum Output: 15,000 Watts (15 kW)

  • Rated Running Output: 12,000 Watts (12 kW)

  • AC Output Voltage: 120V / 240V AC (60 Hz)

  • DC Output Port: 12V / 8.3A

  • Total Harmonic Distortion (THD): ≤3% (Clean power grade)

  • Fuel Tank Capacity: 10 Gallons (37.8 L)

  • Operational Run Time: 10 hours @ 50% load | 5 hours @ 100% load

  • Engine Displacement & Type: 714 cc Four-cycle, OHV (Aluminum head & crankcase with cast iron liners)

  • Starting System: Electric one-button start and wireless remote start

  • Oil Capacity & Safety: 1.7 L capacity with automatic low-oil shutdown mechanism

  • Noise Level Ratings: 71 dB(A) at 7 meters (50% load) | 75 dB(A) at 7 meters (100% load)

  • Compliance & Certifications: EPA Compliant | Intertek cETL Certified to CSA Standards

Shipping & Delivery

  • Processing Time: 2–3 business days

  • Transit Time: 10–15 business days (subject to regional freight terminal parameters and site accessibility)

  • Unloading Requirements: Product is heavy and oversized. A forklift, loader, or equivalent mechanical assistance is highly recommended at the delivery destination.

  • Packaging Type: Wood crate shipping box

  • Shipping Dimensions: 37” L x 35” W x 40” H

  • Combined Shipping Weight: 450 lbs

Before You Order

  • Free freight applies to most orders over $1,000; loading docks, loading ramps and bridges are excluded.
  • Oversized freight may require carrier confirmation and unloading equipment at delivery.
  • Local pickup in Gravois Mills, Missouri can save $200 on eligible orders over $1,000.

Need help before ordering? Call 660-858-8251 or contact us with your delivery ZIP code and equipment details.

Why Order From Cliffhouse Buildings?

  • Missouri-based support for equipment, shelters, attachments, fuel systems, and jobsite products.
  • Secure online checkout with freight and pickup guidance before fulfillment.
  • Most $1K+ orders qualify; docks/ramps/bridges excluded, plus $200 local-pickup savings on eligible orders.

Freight policy:
Orders over $1,000 may qualify; loading docks, loading ramps and bridges excluded

Standard freight delivery:
Customer must provide a forklift or heavy machinery to unload.
(If you don't have machinery, a $125 liftgate service fee applies).

⚠️ Oversize Freight:
Large structures require custom freight routing and are excluded from automatic free freight.

How to order: Proceed through checkout and select the "Freight Invoiced Separately" option.
Our team will coordinate the lowest possible freight rate and contact you for approval prior to dispatch.

Need a shipping estimate first? Click the chat icon in the corner to ask for a quote!

LOCAL PICKUP (Gravois Mills, MO)*

  • Free local pickup is available by appointment only.
    Complimentary loading assistance is provided on-site.

  •  *SPECIAL OFFER applied WITH LOCAL PICKUP:
    Take $200 OFF any order over $1,000! Choose local pick up at checkout.

    Load out assistance at Cliffhouse Buildings. We have staff and equipment for loading customer purchases.
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