H-APU 8.5 kW

COMPACT MODULAR
AUXILIARY POWER UNIT

High power-to-weight ratio with up to 50% space and weight reduction compared to benchmark systems.
Integrated CAN-BUS interface (SAE J1939) for vehicle and system integration.

SWISS MADE

The Suter H-APU 8.5 kW is a compact, liquid-cooled auxiliary power unit designed for vehicle mounting or stand-alone use in mobile shelters and field systems requiring reliable low-voltage power.

With its compact construction and rugged design, it delivers consistent performance in demanding operating environments.


Applications:
Vehicle-mounted modules, add-on power packs, stand-alone field systems and mobile trailer units.
Customized Configurations:
Designed and adapted to specific mechanical, electrical and environmental requirements.

 

KEY FEATURES

  • Modular Design:
  • Core unit adaptable to multiple packaging and installation concepts.
  • Compact:
  • Optimized footprint and weight, up to 50% reduction compared to benchmark systems.
  • Fuel Flexibility:
  • Operates on diesel and kerosene-class fuels for simplified logistics.
  • 28 VDC Output:
  • Stable power supply for vehicle systems, telecom and mission-critical electronics.
  • Continuous Duty:
  • Engineered for stand-alone operation or integration into scalable power architectures.

TECHNICAL SPECIFICATIONS

APU 8.5 kW

Parameter Value
Constant output 8.5 kW at sea level
Rated voltage & power 28 VDC
26-29 VDC / 300A (320A) output to support vehicles onboard network
Engine Two-cylinder in-line OHV
Fuel Consumption 1.8 l/h at 4 kW (primary fuel)
3.2 l/h at 8 kW (primary fuel)
Displacement 0.599 litre
Temp & Condition -32 to +49 °C air intake
-32 to +85 °C (+100) compartment
RPM 2900 – 3300 rpm
Noise level 60 dBA @ 7m distance to vehicle
Control & Interface ECU / CAN-BUS SAE J1939
Electrical system 24 V
Weight 145 kg
Fuel Diesel fuel EN 590 and kerosene-based fuels such as NATO F-54 (STANAG 1135 Ed.4), alternatives F-34, F-35, F-44, F-63
Safety class Designed according MIL-STD-461F, MIL-STD-810G
Dimensions 843 × 550 × 530 mm

POSITIONING

The H-APU 8.5 kW is designed for applications requiring compact, reliable and fuel-efficient auxiliary power. Its balance of output, portability and low vibration makes it well suited for mobile equipment support, remote installations and field operations where stable power is required.

With fast start-up, extended runtime and compatibility with standard diesel fuels, the H-APU 8.5 provides a dependable solution for industrial, civil and off-grid applications requiring continuous performance and operational flexibility.