EA-ASU

High-performance Air Starter Unit for commercial aircraft engine starting

The EA-ASU is ElectroAir’s heavy-duty, trailer-mounted Air Starter Unit engineered to deliver high-volume compressed air for turbine engine starting. Designed for airport environments, the ASU supports a wide range of commercial aircraft including Boeing B737–B777 and Airbus A300–A380 (excluding GE90 engines).

With a powerful diesel engine, multi-stage compressor, robust galvanized frame, and comprehensive safety monitoring, the EA-ASU ensures fast, stable, and reliable starts — even in severe climates from -30°C to +45°C and 10–100% humidity.

Main specifications

🔹 Application: Commercial aircraft engine starting
🔹 Aircraft compatibility: B737, B747, B757, B767, B777; A300, A310, A320, A330, A340, A380
🔹 Climatic capability: –30°C to +45°C, designed for outdoor airport use
🔹 Humidity: 10-100%
🔹 Certification: CE, IATA AHM 904/905/910/913/915/916/976, ISO 2026:1974, SAE ARP 4084
🔹 Total unit weight: < 8000 kg
🔹 Dimensions (L/W/H): < 7500 x < 2200 x < 2900 mm
🔹 Minimum clearance: > 110 mm
🔹 Towing speed limit: 15 km/h
🔹 Warranty: 24 months

Diesel engine specifications

🔹 Engine type: Deutz/Perkins (customer choice)
🔹 Power: ≥500 kW
🔹 Cylinders: ≥8
🔹 Nominal speed: 1800-2100 rpm
🔹 Max torque: ≥2500 Nm
🔹 Specific fuel consumption: ≈207 g/kWh
🔹 Oil capacity (with filter): ≥88 L
🔹 Coolant volume: ≥60 L
🔹 Starting system: 12 V
🔹 Fuel tank: 300 L integrated steel tank with dual drain caps and gauge
🔹 Winter heating system: 230 V shore connection, 15 m cable

Compressor & Air Supply System

🔹 Output flow: 280 lb/min
🔹 Air supply pressure: ≈42 psi
🔹 Number of air outlets: 2
🔹 Hose length: 10 m
🔹 Coupling type: ISO 2026
🔹 Readiness to supply air: ≤ 3 minutes after activation

Compressor characteristics:
🔹 Power range: 68-377 kW / 92-506 hp
🔹 Discharge pressure: 2-4.6 bar (29–67 psi)
🔹 Flow rate: 2210–4989 m³/h (1301-2936 cfm)
🔹 Discharge air temperature: 215°C
🔹 Oil capacity: 65 L

Why choose EA-ASU?

✅ Engine start airflow output up to 280 lb/min
✅ Designed for modern Boeing and Airbus fleets
✅ Powerful diesel engine with electronic management
✅ Fully trailer-mounted, towable by airport tractors
✅ Extremely durable galvanized and zinc-coated steel frame
✅ High visibility reflectors & mandatory airport safety markings
✅ Automatic shutdown for oil pressure, temperature, overspeed & high outlet pressure
✅ Fast readiness for operation (3 minutes)
✅ Winter-ready with 230 V heating system
✅ Delivered fully assembled and ready to operate

Use cases

🔹 Engine starting when APU is unavailable
🔹 Remote stand and apron operations
🔹 Aircraft engine testing and maintenance
🔹 Backup air starting for ground handling operations
🔹 Military flight operations and tactical deployments

Need specifications or pricing?

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Tags: ASU | Air Starter Unit | Engine Starting | Ground Support Equipment | Diesel Driven