18T Electric Truck Chassis Platform for Truck OEMs and Body Builders
A modular 18T electric truck chassis platform designed for commercial vehicle OEMs, bodybuilders, and assemblers. Configured with a chassis-mounted battery architecture, an integrated eAxle, and space-optimized auxiliary packaging, the platform serves as an application-ready baseline for diverse commercial superstructures.
Jenwyn Tech supplies the integrated chassis and powertrain system, supporting OEM partners with mechanical interface coordination, CAN communication alignment, and project-specific configuration. Every platform specification is evaluated against target body dimensions, payload requirements, duty cycles, and regional operational conditions.
Mature, Pre-Validated Platform
Built on an established powertrain and chassis architecture that has already completed system-level matching and durability validation. Utilizing an existing, proven system foundation minimizes cross-component incompatibility and early-stage debugging risks.
Shorter Vehicle Development Cycle
By starting with a verified driveline and chassis baseline rather than developing the entire system from scratch, your engineering team can cut months off the project schedule and focus resources directly on cab adaptation, body design, and local homologation.
Flexible Superstructure Configurations
The chassis packaging maintains unobstructed outer frame rails and a balanced axle-load distribution. This allows a single platform to accommodate a wide variety of 18-tonne applications, including urban freight boxes, refrigerated bodies, and municipal utility equipment, with optional high-voltage e-PTO provisions.
18T
230 kW
246 kWh
≥ 200 km
18T Electric Truck Chassis Platform Overview
The Jenwyn Tech 18T electric truck chassis platform integrates the structural chassis frame, high-voltage battery system, electric drive, and coordinated chassis control functions into an application-ready foundation for medium and heavy-duty truck development. The layout is optimized to accommodate varied superstructure configurations while supporting project-specific integration.
Clear Frame-Top Battery Packaging
The high-voltage battery packs and auxiliary distribution units are packaged beneath the frame rail height, leaving the upper chassis flange entirely unobstructed. This flat-top profile allows bodybuilders to install subframes, cargo boxes, and specialized equipment directly without component relocation or structural workarounds.
Modular Architecture for Multiple Applications
Designed around a standardized frame layout, the chassis supports multiple superstructure configurations. The architecture provides predictable weight distribution and structural mounting points, allowing the platform to be evaluated across urban freight, municipal utility, and refrigerated transport applications.
Integrated Electric Drive System
Propulsion is delivered via an integrated rear eAxle powered by a PMSM. Packaging the motor and reduction gear directly into the axle assembly eliminates intermediate propeller shafts, frees up central chassis space, and simplifies mechanical integration.
Project-Specific Software Adaptation
Chassis control software can be adjusted to match the target vehicle configuration, operating profile, and interface requirements. The adaptation scope and validation criteria are reviewed and aligned with the customer’s engineering team on a project basis.
Chassis Protection and Electrical Safety
The chassis integrates heavy-duty physical protection and electrical safety systems for harsh commercial environments.
Structural steel features E-coat and powder coating rated for over 720 hours of salt spray exposure, paired with underbody shielding to protect the battery system from debris and water ingress.
High-voltage safety is governed by sealed automotive connectors, insulation monitoring, HVIL, and emergency power-off functions, with integrated thermal derating and overload protection safeguarding the driveline.
Target Applications: 18T Electric Truck Chassis
Engineered around modular frame packaging and high-voltage auxiliary capability, the 18T electric truck chassis accommodates a broad spectrum of commercial superstructures. The platform supports both high-cube urban distribution and severe-duty municipal service cycles where specialized equipment or auxiliary power is required. Final application feasibility is evaluated against target payloads, operating profiles, auxiliary energy demand, and statutory axle-load limits.
Urban & Regional Distribution (Dry Freight & Curtainsiders)
Target Mission: Hub-to-store retail logistics, parcel freight, and multi-drop delivery on paved urban routes.
Engineering Considerations: Progressive axle-load shifting during multi-stop unloading, aerodynamic body mounting, and optimized regenerative braking for frequent stop-and-go driving.
Temperature-Controlled Logistics (Refrigerated Transport)
Target Mission: Perishable food, pharmaceutical, and cold-chain distribution requiring active temperature control.
Engineering Considerations: Continuous high-voltage auxiliary power supply for the cooling unit, insulated body tare weight verification against payload, and thermal management circuit integration.
Municipal Waste & Refuse Collection
Target Mission: Residential waste collection and rear-loader compaction, taking advantage of zero-emission, low-noise operation for morning and night shifts.
Engineering Considerations: High-power hydraulic e-PTO duty cycles for the rear compactor, thermal stability under severe low-speed creeping (under 15 km/h), and rear-axle load limits under overhang weight.
Street Sweeping & Road Washing
Target Mission: Urban street sweeping, vacuum suction, and high-pressure washing for municipal roads and industrial parks.
Engineering Considerations: Efficient thermal management during continuous low-speed creeping, continuous high-voltage power feeds for auxiliary suction blowers and high-pressure pumps, and clear outer frame rails to accommodate side-mounted tanks and brush assemblies.
18T Electric Truck Chassis Specifications
| Specification | Stake-Body Truck | Box Truck |
|---|---|---|
| GVW | 18,000 kg | 18,000 kg |
| Curb Weight | 7,880 kg | 9,200 kg |
| Overall Dimensions (L × W × H) | 9,000 × 2,550 × 3,005 mm | 12,000 × 2,550 × 4,000 mm |
| Wheelbase | 5,100 mm | 7,100 mm |
| Rated / Peak Motor Power | 130 / 230 kW | 130 / 230 kW |
| Rated / Peak Motor Torque | 250 / 550 N·m | 250 / 550 N·m |
| Battery Capacity | 246 kWh | 246 kWh |
| Battery Voltage | 640 V | 640 V |
| Driving Range (WLTP) | ≥ 200 km | ≥ 200 km |
| Maximum Speed | ≥ 89 km/h | ≥ 98 km/h |
| Gradeability | ≥ 20% | ≥ 20% |
| Rear Drive Axle | 11.5 t Integrated E-Axle | 11.5 t Integrated E-Axle |
| Final Drive Ratio | 28.9 | 28.9 |
| Tyres | 275/80R22.5 18PR | 275/80R22.5 18PR |
| Standard Charging | DC Fast Charging, GB Standard Connector | DC Fast Charging, GB Standard Connector |
Optional Configurations
- Battery Capacity: 173 kWh / 310 kWh / 400 kWh options; capacity can be adjusted according to driving range requirements.
- Charging Interface: European-standard charging option.
- Chassis Configuration: rolling chassis option.
Technical Integration & Project Support
Application & Feasibility Review
Chassis specifications are evaluated against target operating profiles, superstructure dimensions, payload requirements, and regional operating conditions to establish verified baseline parameters.
Packaging & Interface Alignment
Engineering coordination covers the chassis packaging envelope, subframe mounting interfaces, axle-load distribution, operational clearances, and electrical connection pinouts prior to prototype assembly.
Chassis Software Configuration
Control software parameters are adjusted to align with agreed vehicle operating strategies and superstructure interfaces, with the configuration scope defined during technical agreement.
Prototype Commissioning & Field Support
Technical assistance is provided during prototype assembly and initial system commissioning, including CAN communication checks, interface debugging, troubleshooting, etc.
Supply Scope & Lifecycle Support
Deliverables include complete electric chassis platforms or designated powertrain subsystems. Spare parts availability, warranty coverage, PSI, and support are established under the supply contract.
Our Working Process
01. Application Assessment
We analyze customer requirements and vehicle operating conditions to define the appropriate chassis solution. Key considerations include:
- Vehicle type and application
- Operating environment
- Payload requirements
- Duty cycle and driving conditions
02. Chassis Solution Definition
Based on application requirements, our engineering team defines the suitable chassis configuration and technical specifications.
- Chassis architecture selection
- System configuration
- Component matching
- Performance requirements
03. Engineering Design
We optimize the chassis design to ensure compatibility with different vehicle bodies and customer integration requirements. Including:
- Chassis layout optimization
- Mounting interface design
- Electrical interface definition
- Technical documentation
04. Technical Collaboration
Our engineering team works closely with customer technical teams throughout the project to support smooth chassis integration.
Support includes:
- Technical communication
- Engineering coordination
- Interface verification
- Integration assistance
05. Validation & Delivery
Before delivery, chassis undergo engineering verification and functional testing to ensure reliability for the intended application.
Including:
- System performance verification
- Functional testing
- Quality inspection
- Delivery preparation
06. After-Delivery Support
Following delivery, Jenwyn Tech continues to provide technical assistance throughout vehicle integration and operation.
Support includes:
- Installation guidance
- Remote technical support
- Troubleshooting assistance
- Engineering consultation
Support for SKD/CKD and Local Assembly Projects
- For SKD/CKD projects, supply scope can be tailored to local assembly capabilities, import regulations, and the required level of vehicle integration.
- Supply options may include a rolling chassis, selected EV systems, or a project-specific component package, subject to technical review and confirmation for each program.
Frequently Asked Questions
The documented reference configurations include a stake-body truck and a box truck. Other body configurations can be assessed according to body dimensions, mounting requirements, load distribution, axle loads, and the intended application.
Alternative battery capacities can be evaluated according to the required driving range, payload, packaging, and operating conditions. The available capacity options and final configuration need to be confirmed for each project.
The supplied specifications list a driving range of at least 200 km under WLTP. Actual range depends on the final vehicle configuration, payload, route, driving conditions, and auxiliary energy consumption. The applicable test basis should be confirmed for the selected configuration.
Yes. In addition to complete chassis platforms, we can supply EV powertrain systems and components, including electric motors, electric drive axles, and battery systems. The supply scope can be tailored to your vehicle development and integration needs.
Project-specific control software adjustments can be evaluated according to the vehicle architecture, operating strategy, interface requirements, and technical feasibility.
Yes. The chassis and body integration requirements can be reviewed with your engineering team. This may include body mounting interfaces, dimensions, load distribution, equipment space, and electrical interfaces.
European-standard charging can be evaluated as an option. Compatibility depends on the target market, charging requirements, and the final electrical configuration.
Share your target application, body dimensions, payload requirements, daily mileage, operating conditions, target market, and charging requirements. Jenwyn Tech can review the information with your team and discuss a suitable chassis configuration and supply scope.
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