250KW / 313kVA Mobile Trailer Diesel Generator
Highway-Ready Mobility | Engine: 6126ZLD | SKU: YMDL-250GF-TRAILER
A towering 250kW mobile power rig ready to tackle major infrastructure projects.
Engineering Data & Specifications
| Metric | Performance Values |
|---|---|
| System SKU | YMDL-250GF-TRAILER |
| Rated Power (Standby) | 250 kW / 313 kVA |
| Rated Power (Prime) | 225 kW / 281 kVA |
| Rated Voltage | 400V / 230V (3-Phase 4-Wire) |
| Rated Frequency | 50 Hz |
| Power Factor | 0.8 (Lagging) |
| Engine Model | 6126ZLD (Weifang) |
| Engine Type | 4-Stroke, Water-Cooled, In-line 4-Cylinder |
| Displacement | 4.15 L |
| Rated Engine Speed | 1500 RPM |
| Alternator | Half-Copper Brushed (Default) |
| Controller | Industrial Diagnostics System (Default) |
| Frame Construction | Heavy-duty trailer chassis |
| IP Rating | IP44 (Weatherproof Acoustic Canopy) |
| Fuel Tank Capacity | Base tank for ≥ 8 hours at full load |
| Dry Weight | 3232 kg |
| Dimensions (L × W × H) | 3600 × 1800 × 2610 mm |
| Starting System | Electric Start (12V / 24V) |
| Cooling System | Water-Cooled with Radiator |
| Certification | ISO 8528 / CE |
250kW Engine Armor
Towing involves intense vibrations and dust. This intelligent controller ensures your 250kW investment survives rough handling by killing the engine before critical failures occur.
Why it matters: A vital feature for remote operations without local mechanics. A sudden drop in oil or spike in temperature goes unnoticed until it's too late. This module acts as your automated mechanic.
The system actively monitors four primary engine metrics via heavy-duty sensors. Whether it's a sudden loss of oil pressure due to uneven parking or an electrical short from heavy machinery, the engine will safely stall to preserve its components.-
Incline Lubrication AlertIf parked on an uneven slope, the system detects oil starvation and stops the 6126ZLD instantly.
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Overheating DefenseMonitors the 250kW cooling loop to prevent block warpage during extreme summer deployments.
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Dynamic Load GovernorManages the alternator RPM strictly when heavy industrial tools spike the electrical draw.
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Site-Short ProtectionCuts 313kVA output immediately to protect the alternator if temporary site wiring shorts out.
Core Advantages of the Mobile Trailer Build
Rapid Site Relocation
Unlike static models, this 250kW mobile power plant moves seamlessly across your facility or mining site. No expensive flatbed trucks or heavy rigging are required when shifting operational phases short distances.
Reinforced Heavy-Duty Axles
Built upon a rugged tandem-axle chassis designed to absorb severe shocks on unpaved roads. It safely carries the massive 3232 kg payload smoothly across demanding, uneven terrains without stressing the engine mounts.
Anti-Corrosion Acoustic Canopy
Features an IP44-rated, weatherproof enclosure that protects critical internal components from heavy rain, mud, and dust. It also provides excellent sound dampening for noise-sensitive operations.
Quick-Deploy Stabilizers
Equipped with four heavy-duty manual drop jacks. This allows your team to rapidly level and stabilize the trailer on uneven construction or mining ground, ensuring safe, vibration-free operation.
6126ZLD Turbocharged Core
Powered by a rugged, large-displacement mechanical engine. It delivers consistent, high-torque output with brutal reliability and minimal electronic fuss, perfect for harsh and remote environments.
Extended-Run Fuel Tank
The integrated large-capacity base fuel tank allows the generator to run a full 8-hour working shift at prime load, significantly reducing the need to constantly schedule fuel trucks for top-offs.
Physical Dimensions & Weight
Frequently Asked Questions
Is 250kW enough power for my industrial site?
A 250kW (313kVA) generator is a heavy-duty powerhouse capable of supporting large-scale operations. It can effortlessly power construction cranes, heavy mining equipment, industrial welding arrays, and large manufacturing facilities. If you are unsure, we recommend providing us with a list of your equipment's starting and running wattages so our engineers can confirm the sizing.
How fast can I tow the 250kW generator?
The heavy-duty trailer chassis is engineered primarily for on-site mobility. The maximum safe towing speed on unpaved or site roads is 40 km/h. For long-distance highway transport between different cities or project sites, the generator must be loaded and secured onto a flatbed truck.
Is the canopy fully waterproof for permanent outdoor use?
Yes. The unit is equipped with a high-quality, anti-corrosion acoustic canopy featuring an IP44 enclosure rating. This allows the generator to operate safely outdoors during heavy downpours and in dusty environments. All access doors feature weather-sealed gaskets and lockable handles to prevent water ingress and tampering.
How do I properly level the trailer before starting the engine?
Operating a 3232 kg generator on an incline can cause oil starvation. The trailer is equipped with four mechanical drop-jacks (stabilizers) located at the corners. Before starting the unit, deploy and adjust these jacks until the trailer frame is completely leveled and the tires are relieved of the dynamic running weight.
Does this model feature an automatic transfer switch (ATS)?
Yes. For all our units 200kW and above, full Automatic Transfer Switch (ATS) functionality is integrated into the control system as a standard feature. Once connected to your main switchboard, the generator will automatically detect grid failures, start the engine, and assume the facility load without any human intervention.
Is wholesale pricing available for equipment rental fleets?
Absolutely. We are the direct manufacturer and actively partner with equipment rental companies and large contractors globally. We offer competitive bulk order discounts, custom paint/branding (OEM) options, and fleet-specific spare parts packages. Contact our sales team for a custom wholesale quotation.
Ready to Order or Need a Custom Quote?
Contact our team for bulk pricing, upgrade configurations, shipping estimates, and OEM options.