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Mobile solar generator trailer: lead-acid battery, diesel backup - $24,000 (Giddings, TX)
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Overview:
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This is a mobile solar/battery generator with diesel backup, on a dual-axle Carson utility trailer. It provides 120/240V power at 12KW continuous. Great for remote power and backup needs or off grid use. This trailer is offered for sale used and well-maintained by our fleet mechanic. All systems work as they should.
Applications:
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Construction sites
Emergency operations
Farm & ranch
Oil & water wells
Backup power to transfer switches for office & residence.
Remote camera/lighting/security/computer/telemetry installations
RV and camping
Movie sets
Solar farm maintenance
Electric vehicle recharging
Events
Technical Specifications:
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Power output: 12KW 120/240 volt split phase, provided by two SMA Sunny Island 6 KW inverters. Continuous output 12 Kw @ 120v @ 100A, or 240 volts @ 50 Amps.
Power receptacles: 120/240 volt 50amp Hubbell Twist lock receptacle, and four 120V 20-Amp Receptacles.
Solar capacity: ten 270-watt solar panels, 2.7 KW combined power generation. Panels are tilt-adjustable for best sunlight collection. Practical max daily generation is 8KWh.
Battery: Two 48V Deep Cycle Industrial 510 Ah battery packs, 1020 Amps Hours total. Approx 30KWh effective energy storage capacity.
Charge controller: Midnite Solar Classic 250 manages solar collection and battery charge.
Backup generator: Kubota GL7000 lo-boy diesel generator with auto-start. Low 35 hours. Recent oil change, oil/air/fuel filter change. Maintenance last performed spring 2026.
Diesel fuel cell on board, full with 95 gallons of recently-added, fuel-stabilized diesel, comes with purchase.
Onboard router: Inhand router with LTE, GPS, and Wifi for internet access, position tracking, and remote monitoring of charge controller.
Dimensions:
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Length: 21' 6". Width: 8' 2". Height: 8' 4" when panels stowed vertically for travel.
With solar panels deployed, width is max 11' 11". Height ranges from min 5' 4" to 8' 4" depending on panel alignment.
Weight: Approx 8,800 lbs total weight including fuel. Tongue weight approx 1,000 lbs.
Other Features:
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Year of manufacture: 2017
Tires replaced in 2025. Spare included.
Breaker panels for DC and AC systems.
Pintle ring hitch.
Electric trailer brakes with breakaway box.
Texas title in hand and current registration.
Optional features at additional cost:
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2-5/16" ball receiver for trailer: $150
Pintle hitch for truck: $150
Soutwire Extreme Box power distribution: $500
100' Hubbel twist-lock 50 amp extension cord: $400 extra
Shipping trailer anywhere in US: Aprrox $3.75/mile calculated from Giddings, TX. Your actual charge may vary and will be calculated upon purchase.
Purchase Terms: TST03
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We are a mobile power business and have several trailers in inventory for sale and rental. This trailer is used, well-maintained, fully operational, and offered for sale with no warranty expressed nor implied. Price is firm, no trades. Viewing trailers available in Giddings Texas by appointment only. Remote video conference inspection available. If this ad is here, it's available. Wire transfer, cash and cashier's check accepted. Credit cards accept with 3% additional fee. No paypal/venmo/zelle.