Large Engines Diesel Test Bench
LTBR-X

The flagship benchmark for Heavy-Duty and Large Engine Diesel diagnostics. Built for the industries that never stop. Shipping, Marine, Gensets, HD Engines, Machinery, Locomotives, Mining.

3,000+ Bar High-Pressure Capability
45 kW / 60 HP Drive Power Rigs
Supports 2-Stroke & 4-Stroke Diesel
Advanced AZO Diagnostic Software
11,000+ Part Numbers via CloudX

Product Overview

Engineered for Large Engine Specialists

The LTBR-X is a standalone Heavy-Duty and Large Engine Diesel Test Bench designed for professionals who require uncompromising precision in fuel system diagnostics and maintenance.

Developed to support modern 2-stroke and 4-stroke diesel engines, including conventional, electronic and dual-fuel systems, it delivers stable and reliable performance across marine, locomotive, generator and heavy industrial applications.

Built on Carbon Zapp's engineering expertise, the LTBR-X integrates advanced hardware architecture with AZO software control and CloudX connectivity.

Coverage includes
Cummins
Caterpillar
MAN Energy Solutions
Rolls-Royce MTU
Wärtsilä
Mitsubishi Heavy Industries
Volvo Penta
Hyundai Heavy Industries
Doosan
Complete Coverage. Complete Confidence. One Complete Bench.

Industry Applications

Designed for Demanding Industries

Optimized for high-power diesel environments where precision and reliability are critical.

Marine & Shipping
Power Generation
Rail & Heavy Industry
Mining & Off-Highway
Dual-Fuel Platforms

Supports conventional, common-rail and dual-fuel diesel applications across shipyards, service centers, power plants, rail depots, mining operations and industrial facilities.


Testing Capabilities

Core Testing Capabilities

01
Injector Testing
Supports conventional, electronically controlled and piezo-actuated injectors across modern 2-stroke and 4-stroke diesel engines, ensuring accurate performance validation and trim-file generation across heavy-duty applications.
02
Large-Bore Pump Testing
Handles large-diameter pumps using a reinforced flatbed base engineered for exceptional stability and load-support capacity in marine, locomotive and mining applications.
03
Electronic Flow Rate Measurement
Accurate volumetric flow measurement across multiple test plans with Integrated Synchronous Acquisition (ISA) for high-precision injection-event detection.
04
Static & Dynamic Leakage Testing
Electronic leakage measurement under both static and dynamic conditions for evaluating injector sealing and high-pressure path integrity.
05
Automatic Nozzle Opening Pressure
Fully automated electronic nozzle opening pressure measurement for consistent and repeatable injector diagnostics.
06
Dynamic Spray Pattern Analysis
Integrated illuminated multilayer glass chamber enables real-time spray pattern analysis during testing, combined with built-in response-time sensors monitoring injector efficiency.

Hardware Engineering

Engineered for Precision

Every component of the LTBR-X is engineered to operate where reliability is the only acceptable standard. Built for shipyards, depots and power plants.

01
Versatile Injector Rail & Illuminated Spray Chamber
Fully adjustable injector rail system compatible with all types and sizes of diesel injectors. Integrated illuminated multilayer glass chamber enables dynamic spray pattern analysis during real-time testing.
02
Reinforced Flatbed Base for Large Pumps
The reinforced flatbed design exceeds standard industry dimensions, providing exceptional stability and support for large-diameter pumps used in heavy-duty engines.
03
Comprehensive Hydraulic Control Panel
Integrated control of oil supply, low-pressure feed, vacuum regulation and hydraulic oil setup for the Cambox ensures full operational command during pump testing.
04
Enhanced Accessibility & Safety
Designed with ample working space and three-side access to the testing area, enhancing operational efficiency while maintaining full visibility and operator safety.
05
Accessible High-Pressure Rail System
Convenient access to the high-pressure rails connected to the DRVs facilitates efficient maintenance and ensures optimal system performance and reliability.

Diagnostic Intelligence

Advanced Diagnostic Functions

Six diagnostic modules. One unified workflow. Engineered to give large-engine specialists the depth of insight the engines themselves demand.

IC
Injector Coding & Trim File Creation
Supports calibration data generation and injector coding for precise performance configuration.
RSP
Live Nozzle Response Time Measurement
Real-time monitoring of injector nozzle response time for dynamic performance assessment.
PvS
Pressure vs Speed Testing
Evaluates pump performance across varying speeds to analyze pressure behavior and detect anomalies.
SvP
Speed vs Pressure Testing
Determines optimal pump operation parameters by measuring performance against pressure variations.
eRLC
Electrical Valve Diagnosis
Advanced electronic diagnosis and measurement of electrical valve functionality.
CBX
Cambox Integration
Optional module supporting advanced cam-driven testing scenarios for unit injectors and unit pumps.

Software & Connectivity

Powered by AZO Software & CloudX

The LTBR-X integrates advanced AZO software delivering real-time diagnostics, electronic flow measurement, injector coding and continuously updated database support for EU6 / EU7-ready applications.

CloudX integration enables centralized control, data synchronization and future-ready digital expansion across the Carbon Zapp ecosystem.

AZO Control Software
CloudX Integration
EU6 / EU7-Ready Database
11,000+ Part Numbers
Injector Coding
Continuous Updates

OEM Diagnostic Ecosystem

OEM-Trusted & Authorized

Built to OEM testing standards across major diesel platforms, combining advanced diagnostics, CloudX connectivity and scalable testing architecture.

Authorized by Schaeffler (Continental / VDO) and built to OEM testing standards across Bosch, Delphi, Denso, Stanadyne, Caterpillar, Liebherr, MTU, L'Orange, and Cummins platforms. Additional authorizations pending.

Certified Third-Party Repair Solutions
Hard-to-source parts from trusted third-party suppliers
Additional test plans and repair support for legacy platforms
Calibrations and repair guides from approved specialists
Optional and clearly identified integrations

The Carbon Zapp Standard

Engineered for the Engines That Never Stop

Built for specialists operating in the world's most demanding diesel environments — marine, rail, power generation and heavy industry. Built by specialists and trusted by specialists. Engineered to outlast the demands of the workshop.

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Digital Platform
CloudX Ecosystem
Connect your bench. Monitor remotely. Update automatically.
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Video Series
Watch CZExperts
Expert skills, shared knowledge. Setup, calibration, advanced ops.
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Innovation & R&D
Innovation Driven
35 years of continuous development. See what's coming next.
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