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Project

High-Density Power Block – 12 Cummins VTA28-G5 Engines

Engine Size

VTA28-G5 – 12 units

Sector

Industrial Power / Backup Generation

Project Overview

This multi-engine installation demanded a compact emissions control solution that could fit within strict spatial constraints, while meeting Tier 4 Final NOx reduction standards. Additional requirements included spark arrestor integration and live system performance monitoring for predictive maintenance.

Solution Provided

E.I. Williams/IMS are known in the industry for their engineered compact SCR + silencer solution using square catalytic elements within a cubic enclosure—enabling full functionality in space-restricted areas. In tight spaces, similar to  this example, one 1,350-liter DEF tank was specified per unit, and all systems were equipped with real-time monitoring and fault diagnostics for proactive maintenance.

System Specification

Engines
Cummins VTA28-G5
Quantity
12 units
NOx Reduction Requirement
90%
DEF Tank Capacity
1,350 L (per unit, client-specified)
Monitoring
Live performance + predictive diagnostics
Design Constraints
Limited space, cubic enclosure
Special Components
Combined SCR + Spark Arrestor + Silencer unit
Catalyst Configuration
Square elements in custom layout

Visual / Instalation Photos

Results & Impact

NOx Reduction Achieved
90%
Compliance
EPA Tier 4 Final
Efficiency
All 12 units met space and emission targets
Safety
Spark arrestor integrated with silencer
Visibility
Predictive diagnostics with live system feedback

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