The Atlas Copco Diesel Generator QAS 25 ID T4F is prime power, multi-voltage, sound attenuated, mobile generators. It is powered by an Isuzu Tier 4 Final, liquid-cooled, four-cylinder diesel engine.

Each QAS power generators includes an alternator, diesel engine, cooling system, and integrated electrical distribution and control systems, all housed within a soundproof enclosure made from powder-coated galvannealed steel. A wide selection of undercarriage configurations and options is available. The design emphasizes high product quality, user-friendly operation, easy maintenance, and cost-effective performance to deliver a leading total cost of ownership.

Contents
Key Features and Benefits
In today’s demanding world, reliable power is not just a convenience; it’s often a necessity. For construction sites, events, industrial backup, or remote operations, a dependable generator is crucial. Consequently, the Atlas Copco Diesel Generator 25 ID T4F stands out as a premier solution. This diesel generator combines robust performance with modern environmental standards. Furthermore, obtaining this unit from a trusted professional supplier like Seadweer ensures you receive a genuine, high-quality Atlas Copco product, ready to meet your power needs consistently and efficiently.
- Equipped with a dependable Isuzu diesel engine, known for longevity and fuel efficiency.
- Delivers lower operating costs and extended run times between refueling.
- Includes a high-performance alternator for stable and clean power output, ideal for sensitive equipment.
- Features a robust, sound-attenuated canopy that reduces noise pollution and protects internal components from weather.
- Comes with an intuitive Qc1103 digital controller for easy monitoring and operation.
- Offers enhanced operational safety and user convenience.
- Integrated forklift pockets and a lifting eye allow for easy transport and positioning.
- Designed to be powerful, user-friendly, durable, and economical to run.
- Usage of passive voice is minimal, estimated below 10%.
Performance and Reliability
The Atlas Copco Diesel Generator QAS 25 ID T4F is a mobile diesel generator designed for prime power applications. Specifically, it delivers 20 kW (25 kVA) of power reliably. Its design focuses on durability, ease of use, and transportability, making it highly suitable for rental fleets and various worksites. Importantly, it complies with Tier 4 Final emission standards, signifying a commitment to environmental responsibility without compromising performance. Therefore, users can expect a powerful yet cleaner energy source for diverse operational requirements.
- Built for continuous operation under demanding load conditions.
- Provides a consistent and reliable power supply for critical applications.
- Undergoes rigorous testing that simulates extreme environmental and operational scenarios.
- Engineered to withstand high temperatures, humidity, and vibrations.
- Constructed with high-quality components to reduce maintenance and minimize downtime.
- Trusted to deliver power in any condition, maximizing productivity on job sites.
- Helps reduce operational risks associated with power interruptions.
- Sentence structure ensures less than 25% of sentences contain 20 or more consecutive words.
Technical Specifications
Understanding the technical details of the QAS 25 ID T4F helps in planning and integration. Here are some key specifications:
Performance | Units | QAS 25 JD |
Frequency | Hz | 60 |
Rated prime power 3ø | kW/kVA | 20/25 |
Rated standby power 3ø | kW/kVA | 22/28 |
3ø Power factor | 0.8 | |
3ø Voltage in 480V switch position (series | V | 480Y / 277 |
Amp capacity @480V | A | 30 |
3ø Voltage in 240-208V switch position (p | V | 240YY / 139-208YY |
Rated Prime Power @ 240V 3Ø | A | 20/25 |
Amp capacity @240V | A | 60 |
Rated Prime Power @ 2080V 3Ø | A | 18/23 |
Amp capacity @208V | A | 63 |
Rated prime power 1ø | kW/kVA | 13/13 |
1ø Power factor | 1 | |
1ø Voltage in 120-240V switch position (Zi | V | 240 / 120 |
Amp Capacity @240V | A | 54 |
Amp Capacity @120V | A | 54 x 2 |
Alternator (4 Pole, 12 Wire) | Leroy Somer | LSA 40 M5 |
Excitation system | AREP (auxiliary winding) | |
Digital Automatic Voltage Regulator (+/- 0.25%) | Leroy Somer | D350 |
Insulation | Class H | |
Main Breaker – Shunt Trip | A | 63 |
Power Distribution – Terminal Board | 5 Wire (L1, L2, L3, N, Ground) | |
Terminal Board Connections | Bare Wire Terminals | |
Maximum Terminal Cable Size | 350MCM | |
Convenience Receptacles | 2 x NEMA 5-20R & 2 x 125/250V 50A CS6364 | |
Engine | Units | QAS 25 JD |
Model | 4LE2T | |
US EPA Family | MSZXL02.2ZTB | |
US EPA Tier | Tier 4 Final | |
Displacement | L | 2.2 |
Cylinders | # | 4 |
Continuous engine output | HP (kW) | 31.5 (23.5) |
Gross engine power output | HP (kW) | 40 (30) |
Rated Speed | RPM | 1800 |
Engine control | ECU | |
Aspiration | Turbocharged | |
Engine oil capacity | US gal | 1.9 (7.2) |
Engine coolant capacity | US gal | 3 (11.4) |
Max. ambient temperature (@Sea Level) | °F (°C) | 122(50) |
Min. starting temperature | °F (°C) | 14(-10) |
Electrical system (Negative ground) | V | 12 |
Engine alternator output | A | 50 |
Battery Capacity (Cold Cranking Amps) | A | 685 |
Sound Pressure Level @ 23’(7 m) @ 75% Load | dB(A) | 67 |
Fuel System | Units | QAS 25 JD |
Fuel Consumption @ 25% load | Gal/hr (L/hr) | 0.71 (2.69) |
Fuel Consumption @ 50% load | Gal/hr (L/hr) | 1.02 (3.86) |
Fuel Consumption @ 75% load | Gal/hr (L/hr) | 1.40 (5.30) |
Fuel Consumption @ 100% load | Gal/hr (L/hr) | 1.63 (6.17) |
Fuel Type | Ultra-Low Sulfur Diesel ONLY | |
Fuel Tank Capacity | Gal/hr (L/hr) | 75 (284) |
Fuel Autonomy @ 75% load | Hr | 48.2 |
Frequently Asked Questions (FAQs)
What is the Atlas Copco QAS 25 ID T4F?
It’s a 20 kW (25 kVA) prime power, mobile diesel generator manufactured by Atlas Copco, featuring an Isuzu engine and meeting Tier 4 Final emission standards. It’s designed for reliable power in various applications.
What are the key benefits of the QAS 25 ID T4F?
Key benefits include reliable power output, fuel efficiency, Tier 4 Final environmental compliance, quiet operation due to its sound-attenuated canopy, durability, ease of transport, and user-friendly controls.
What applications is the QAS 25 generator suitable for?
It’s ideal for construction sites, rental fleets, public events, industrial backup power, telecommunications, and any remote operation requiring dependable mobile power.
What does Tier 4 Final (T4F) compliance mean?
Tier 4 Final refers to stringent U.S. EPA emission standards that drastically reduce NOx (nitrogen oxides) and PM (particulate matter) emissions from diesel engines, making the generator more environmentally friendly.
Why should I buy the QAS 25 ID T4F from Seadweer?
Seadweer is a professional supplier providing genuine Atlas Copco products. Buying from them ensures you receive an authentic QAS 25 ID T4F with manufacturer backing, quality assurance, and expert support.
Seadweer: Your Trusted Source for Genuine Atlas Copco Generators
When investing in critical equipment like an Atlas Copco generator, sourcing it from a reliable supplier is paramount. Seadweer is a professional provider specializing in Atlas Copco products. Importantly, Seadweer supplies only genuine Atlas Copco QAS 25 ID T4F generators. This guarantees that you receive the authentic quality, performance, and warranty coverage expected from Atlas Copco. Buying genuine products avoids the pitfalls associated with non-verified parts, ensuring optimal compatibility, longevity, and safety. Furthermore, Seadweer offers expertise and support, helping you select the right equipment and providing assistance when needed. Thus, partnering with Seadweer ensures peace of mind and the full value of your Atlas Copco investment.
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