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CPCB IV+ · Stage V · IMO Tier III▪ Industries & quality

Built for engines that cannot stop

Where Maxmoc systems run, the approvals behind them and how every unit is tested before it ships.

▪ Industries

Where our aftertreatment works

Diesel generator sets
8–800 kWCPCB IV+

Diesel generator sets

Standby and prime gensets from 8 to 800 kW that must pass type approval, often running long hours at low load.

  • Urea SCR for 56–800 kW
  • Urea-Free SCR System up to 75 kW
  • RECD and active-regeneration DPF retrofits for installed sets
  • Exhaust heater for cold, low-load running
Matching products →
Marine & shipping
1–33 MWIMO Tier III

Marine & shipping

Main and auxiliary engines on ships that must meet Tier III NOx limits inside emission control areas, on MGO or HFO with a scrubber.

  • Low-pressure marine SCR for 4-stroke and 2-stroke engines
  • High-pressure marine SCR for 2-stroke engines up to 33 MW
  • Closed-loop urea dosing with online condition monitoring
Matching products →
Data centres & critical power
Standby fleetsCPCB IV+ · state boards

Data centres & critical power

Large standby fleets tested monthly at low load, inside cities where boards and CAQM restrict DG operation.

  • RECD retrofits for installed sets
  • Urea SCR with ammonia-slip catalyst
  • ATCU monitoring and alerts
Matching products →
Construction equipment
CEV Stage VBharat Stage (CEV) V

Construction equipment

Excavators, loaders and cranes with tight packaging, vibration and particle-number limits.

  • Compact SCR module
  • DOC + DPF wall-flow filter
  • Urea pump and injector
Matching products →
Tractors & farm machinery
19–75 kWTREM V

Tractors & farm machinery

Cost-sensitive engines working in dust and heat, where AUS 32 logistics on the farm are a real burden.

  • Urea-Free SCR System
  • DOC + DPF
  • integral actuator
Matching products →
Industrial engines & pumps
Site permitsCPCB IV+ · site permits

Industrial engines & pumps

Fire pumps, compressors and process engines that must meet consent conditions without losing output.

  • DOC + DPF
  • Oxidation booster
  • Emission testing and validation
Matching products →
Export & on-highway programmes
Build to printEuro VI · Euro VII readiness

Export & on-highway programmes

Partners in Germany, the Czech Republic and the USA that need canned substrates and dosing hardware built to drawing.

  • Build-to-print canning at MEPZ
  • Urea dosing injector
  • PPAP documentation
Matching products →

▪ Certifications

Certifications & compliance

  • CPCB
  • ARAI
  • ICAT
  • NABL
  • BIS
  • ISO 9001:2015
  • ISO 22241
  • Stage V
  • Startup India

▪ Validation dossier

Every limit, every cycle, on file

Legacy gensets, 75–800 kW

CPCB II

The baseline most installed DG sets were built to.

NOx + HC
4
PM
0.2
CO
3.5

g/kWh · test cycle ISO 8178 D2

  • ISO 9001:2015Quality management at the Chennai facility
  • ARAI · ICATIndian type-approval and test agencies
  • NRSC · NRTCNon-road steady and transient cycles
  • ISO 8178 D2Constant-speed genset test cycle
CPCB IIISO 8178 D2
NOx + HC
4
PM
0.2
CO
3.5
CPCB IV+ISO 8178 D2
NOx
0.4
PM
0.02
CO
3.5
Stage V / CEV VNRSC · NRTC
NOx
0.4
PM
0.015
CO
3.5
Euro VIWHSC · WHTC
NOx
0.4
PM
0.01
CO
1.5

Representative limits in g/kWh for the power band shown. The norm text for each engine family and power band governs.

+2 this year

7

Active Certifications

100% maintained

100%

Compliance Rate

+5 vs last year

14

Audits Completed

Last 12 months

11

Regulatory Updates

Active Certifications

Copies of each certificate are shared with buyers on request

Verified · copy on request

Maxmoc retrofit emission control device installed on a diesel generator

ICAT type approval · retrofit filters

Issued by International Centre for Automotive Technology (ICAT) under the CPCB RECD procedure · five certified filter families covering 28.7 kW to 454 kW

We share a full copy with OEMs and buyers as part of a quotation.

Verified · copy on request

Diesel generator set fitted with a Maxmoc aftertreatment system

CPCB IV+ emission compliance

Issued by Central Pollution Control Board (CPCB)

We share a full copy with OEMs and buyers as part of a quotation.

Verified · copy on request

Construction excavator fitted with aftertreatment

Stage V construction equipment compliance

Issued by Automotive Research Association of India (ARAI)

We share a full copy with OEMs and buyers as part of a quotation.

Verified · copy on request

Maxmoc aftertreatment systems packed for export

Euro VI reference standard

Issued by International Centre for Automotive Technology (ICAT)

We share a full copy with OEMs and buyers as part of a quotation.

Verified · copy on request

Quality inspection of an aftertreatment housing

ISO 9001:2015 quality management

Issued by Bureau of Indian Standards (BIS)

We share a full copy with OEMs and buyers as part of a quotation.

Verified · copy on request

Maxmoc emission test cell

NABL test laboratory accreditation

Issued by National Accreditation Board for Testing and Calibration Laboratories

We share a full copy with OEMs and buyers as part of a quotation.

Verified · copy on request

Maxmoc plant in Chennai

DPIIT startup recognition

Issued by Department for Promotion of Industry and Internal Trade

We share a full copy with OEMs and buyers as part of a quotation.

▪ Testing infrastructure

Proven on our own test beds

Every aftertreatment platform is validated in-house before certification: transient emission cycles, durability ageing, controlled assembly and hardware-in-the-loop control testing.

Large industrial engine mounted on dynamometer test bed with emission measurement equipment and control panels

Lab 01

Engine Emission Test Laboratory

State-of-the-art emission testing facility with transient and steady-state dynamometer capabilities for comprehensive validation of diesel engine emission control systems.

  • Transient cycle testing (WHTC, NRTC)
  • Steady-state emission measurement (ESC, ETC)
  • Real-time NOx, PM, HC, CO analysis
  • Particulate matter gravimetric measurement
  • Ammonia slip and N2O monitoring
Engine test cell used for endurance and durability validation

Lab 02

Endurance & Durability Testing Facility

Long-term validation for emission control systems, with accelerated ageing and real-world duty simulation before a design is released.

  • 10,000+ hour endurance testing
  • Thermal cycling and shock testing
  • Vibration and mechanical stress simulation
  • Catalyst ageing studies
  • DPF regeneration cycle validation
Maxmoc assembly line with aftertreatment housings on a conveyor

Lab 03

Assembly & Quality Validation

Controlled assembly of every housing, sensor and harness, with flow, leak and dimensional checks before a unit is dispatched.

  • Controlled component assembly
  • Leak testing and pressure validation
  • Dimensional inspection
  • Electronic control unit (ECU) programming
  • Final quality inspection and documentation
Sealed connector on a Maxmoc aftertreatment control unit

Lab 04

Controls Validation Laboratory

Every controller release is checked against simulated engine and aftertreatment behaviour before it reaches a vehicle or genset.

  • Controller software validation
  • Hardware-in-the-loop simulation
  • CAN J1939 integration testing
  • Fault injection and diagnostic validation
  • OBD compliance verification

▪ Explore in 3D

Take every product apart

All sixteen Maxmoc products in full 3D, from the urea SCR skid to the high-pressure marine reactor. Zoom into any part, pull the assembly apart into its exploded view and read what each component does.

Open the 3D Explorer
Urea SCR system cutawayDOC + DPF filter exploded viewHigh-pressure marine SCR reactormonitoring set