RHW-1100-D / TD
COMPACT CORE
DIESEL POWER
Three-cylinder 1.1 L diesel engine, naturally aspirated (D) or turbocharged (TD).
Developed for auxiliary power systems and demanding ground-based platforms, it delivers reliable torque and endurance in a very compact footprint.
SWISS MADE
The Suter RHW-1100-D/TD is a compact, liquid-cooled diesel power unit engineered for protected vehicle platforms, compact APU configurations and field-deployable systems.
Available in naturally aspirated (D) and turbocharged (TD) versions, it delivers 18.5 kW (D) to 22.5 kW (TD) continuous output.
A building height of 406 mm enables installation where conventional diesel engines cannot fit.
The RHW-1100 is available exclusively as an engineered system package.
Suter provides full integration support, calibration and system configuration to ensure validated performance and lifecycle stability.
Engineered for Space-Critical Applications
Modern protected vehicles and high-demand ground systems require high electrical output, low thermal and acoustic signatures, multi-fuel readiness, and stable operation under extreme loads and temperatures.
The RHW-1100 was developed specifically to meet these requirements. It is an engineered power unit built for demanding operational environments.
KEY FEATURES
- Ultra-Low Building Height Architecture:
- A compact layout of 465 × 482 × 406 mm allows integration in tight vehicle compartments.
- High Power Density
- The RHW-1100 delivers 18.5 kW (D) and 22.5 kW (TD) continuous output.
- Multi-Fuel Operation:
- Diesel and Kerosene class fuels such as Jet-A1, JP-5, and JP-8 (standard and artic grades).
- Advanced Electronic Integration:
- SPS ECU with CAN/J1939, extensive I/O capability for actuators and sensors, PWM control,
and high EMI/EMC robustness for demanding operational environments. - SPS ECU:
- SPS ECU is able to control more than the engine itself. Several I/O options for actuators, sensors, PWM signals, etc.
- Cold-Start Capability:
- Glow plugs and block heater for reliable start down to –32 °C.
TECHNICAL SPECIFICATIONS
RHW-1100-D / TD
| Parameter | Value |
|---|---|
| Dimensions (L × W × H) | 465 × 482 × 406 mm (L × W × H), average D/TD |
| Configuration | 3-cylinder, 4-stroke diesel engine naturally aspirated (D) or turbocharged (TD) |
| Displacement | 1.12 L (78 × 78.4 mm) |
| Power Output | 18.5 kW continuous / 22 kW max (D) @3600 rpm 22.5 kW continuous / 25 kW max (TD) @3600 rpm |
| Torque / Speed | 66 Nm @ 2600 rpm (D) • 88.5 Nm @ 2000 rpm (TD) |
| Fuel Consumption (@ rated power) | 284 g/kWh (D) • 261 g/kWh (TD) |
| Fuel Compatibility | EN590 diesel and kerosene-class fuels such as, Jet-A1, compatible with standard and arctic grades |
| Cooling System | Water-cooled, mechanical pump |
| Lubrication System | Wet sump, 4.7 L capacity |
| Electrical System | 12 / 24 V alternator (40 A) |
| Starting System | 12 / 24 V starter motor (1.2 / 1.4 kW) |
| Governor / Control | Electronic with CAN J1939 and analog input |
| Weight (dry) | 89 – 91 kg |
| Service Access | Single-side (intake) |
| Operating Temperature | –32 °C to +55 °C |
| Cold-Start Equipment | Glow plugs + block heater (24 VDC or 230 VAC up to 2 kW) |
POSITIONING
The RHW-1100-D/TD is the modular heart of Suter’s new-generation diesel line, engineered for system integrators who need compact, scalable power for advanced engine-generator configurations.
Its design enables seamless installation in auxiliary power units and range extender systems, providing a flexible building block for manned and unmanned platforms.
RECOMMENDED APPLICATIONS
• Mobile and stationary generator units• Autonomous ground platforms and mobile UGV systems• Industrial field power modules
ENGINEERING PACKAGE
The RHW-1100 is not offered as a standalone commercial engine.
It is supplied exclusively as a complete engineered system, ensuring validated integration, long-term stability and consistent operational performance across all use cases.
