Z-Class

The Z-Class Advantage:
One Core Architecture
Two Critical Solutions

Propulsion
ZEI propulsion solutions solve key performance and signature gaps withmanned and unmanned vehicles on land and sea, leveraging Hybrid stealth propulsion systems with hydrogen, battery, and existing technology.

Power Generation
Z-class generators answer detection and power challenges facing operational energy at the edge. Quiet. Cool. Clean.
System Specifications
Power
Propulsion systems up to 536 hp continuous with 1,400 Nm (1,030 lb-ft) of peak torque
Power Generation available in configurations from 3.3 - 400 kW
Fuel
Gaseous Hydrogen
Nominal System Efficiency
>50%
Heat Management
Liquid-Cooled
Signature Management
Low-to-no thermal, acoustic, and chemical signature
Minimal noise and vibration for operator safety and reduced maintenance
Next-Generation Hybrid Power

Fuel Cell Stacks: The core of our stealth power generation.
Surge Battery: Provides burst power for acceleration and energy redundancy.
Hydrogen Storage and Safety Systems: Expert safeguards ensure secure deployment.
Power Electronics: High performance electric motors translate fuel cell energy into quiet, high-torque motion.
Top of the line electrical handling provides comprehensive power generation needs.
ZEI’s Hydrogen Operating Software: Smart controls for adaptive mission profiles and seamless integration.
Strengthen the Force Through Modernization
For Defense Programs
Fleet Upgrades: Convert existing assets to hydrogen power for improved stealth and efficiency.
Operational Edge: Reduce detection risk and fuel dependency in contested zones.
Lower Lifecycle Costs: Gain energy resilience while cutting long-term operational expenses.
For Military Contractors & Integrators
Expand Capabilities: Offer hydrogen retrofits as part of modernization and sustainment packages.
Stay Mission-Aligned: Deliver solutions that meet evolving energy mandates and performance requirements.
Unlock New Contracts: Position yourself at the forefront of next-gen defense energy solutions.
For Commercial Innovators
Preserve and Enhance: Upgrade legacy platforms without sacrificing performance or historical value.
Experience Stealth Power: Quiet, low-thermal operation meets modern battlefield needs.
Join the Next Frontier: Be part of the shift to smarter, cleaner, and more capable tactical mobility.