APU 8.5 kW
COMPACT MODULAR
AUXILIARY POWER UNIT
Lightweight 28 VDC auxiliary power unit for integration in vehicles or as a stand-alone (H-APU) in shelters or demanding field systems.
High power-to-weight ratio with up to 50% space and weight savings compared to benchmark systems.
Only known APU with CAN-BUS interface SAE J1939 in this power range.
SWISS MADE
The Suter APU 8.5 kW is a compact, liquid-cooled auxiliary power unit designed for integration in vehicles or as a stand-alone unit for mobile shelters and stationary systems where reliable low-voltage power is required.
With its compact construction and rugged build, it delivers consistent performance in demanding environments.
Applications:
Vehicle-integrated modules, add-on power packs, stand-alone field units, mobile trolley or trailer units.
Customized Configurations:
Designed and adapted to your specific mechanical, electrical, or environmental requirements.
KEY FEATURES
- Modular Design:
- Operates as a stand-alone unit or as part of a scalable power architecture.
- Compact:
- Easy integration in tight spaces with up to 50% space and weight reduction compared to benchmark systems.
- Fuel Flexibility:
- Operates on diesel or kerosene-class fuels for simplified logistics.
- 28 VDC Output:
- Stable power for vehicle systems, telecom and mission-critical electronics.
- Continuous Duty:
- Engineered for continuous operation under sustained load.
TECHNICAL SPECIFICATIONS
APU 8.5 kW
| Parameter | Value |
|---|---|
| Constant output | 8.5 kW @ sea level |
| Rated voltage & power | 28 VDC 26-29 VDC / 300A (320A) output to support vehicles bord net |
| Engine | Two-cylinder in-line OHV |
| Fuel Efficiency | 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… +85 °C (+100) compartment |
| RPM | 2900 – 3300 rpm |
| Noise level | 80 dBA |
| Control & Interface | ECU / CAN-BUS SAE J1939 |
| Electrical system | 24 V |
| Weight | 140 kg |
| Fuel | Diesel fuel EN 590, and kerosene-based fuels like, NATO F-54 (STANAG 1135 ED.4) Alternative: F-34, F-35, F-44, F-63 |
| Safety class | Designed according MIL-STD-461F, MIL-STD-810G |
| Dimensions | 650 x 490 x 530mm vehicle integrated |
POSITIONING
The APU 8.5 kW is designed for operations that require a compact, reliable and fuel-efficient auxiliary power source. Its balance of output, portability and low vibration makes it ideal for mobile equipment support, remote installations and field teams that need stable power in locations without access to the grid.
With fast start-up, extended runtime and compatibility with standard diesel fuels, the APU 8.5 offers a dependable solution for industrial, civil and off-grid applications where continuous performance and operational flexibility are essential.
