Freight and retrofit
Non-road mobile machinery certification
NRMM RAS approved companies and emission reduction systems
See details of companies and their systems approved under the scheme.
Eminox Ltd
Company information Technology Product REC Type Application status Approved NRMM engine applications
Variable speed engines Constant speed engines
37kW-150kW 150kW-300kW 300kW-560kW 37kW-150kW 150kW-300kW 300kW-560kW
Eminox Ltd
(Gainsborough, UK)
Email: enquiries@eminox.com
Tel: +44(0)1427 810088
www.eminox.com
Retrofit exhaust after-treatment system (DPF)
For PM reduction only .
Eminox CRT®
Class IIA
Approved
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Retrofit exhaust after-treatment system (DPF)
For PM reduction only .
Eminox CRT FBC
Class I
Approved
Approved for Stage IIIA & IIIB engines in power range 37-56kW to achieve Stage V equivalence
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Retrofit exhaust after-treatment system (SCRT). For PM and NOx reduction
Eminox EMxS5 System (DPF+SCR with urea Adblue)
Class IV
Approved
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HJS Emission Technology GmbH & Co KG
Company information
Technology
Product
REC Type
Application status
Approved NRMM engine applications
Variable speed engines
Constant speed engines
37kW-150kW
150kW-300kW
300kW-560kW
37kW-150kW
150kW-300kW
300kW-560kW
HJS Emission Technology GmbH & Co KG
(Menden, Germany)
UK Representation:
Emission Engineering (HJS UK) Ltd (Swindon)
mark.cooper@hjs.com
Tel: +44(0)1344 566050
www.hjs.com
NRMM RAS Approved HJS Distributor:
Cybrand AEC Limited
Thornton Science Park
Ince, Chester, CH2 4NU
sales@cybrand.co.uk
Tel: +44(0)1244 567100
www.cybrand.co.uk
Note: Cybrand AEC Limited are approved to supply the HJS approved products listed
Retrofit exhaust after-treatment system (DPF) with passive regeneration
For PM reduction only
HJS CRT-SMF
Class IIA
Approved
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Retrofit exhaust after-treatment system (DPF) with active regeneration by FBC and electrical heating element
For PM reduction only
HJS SMF-AR
Class I
Approved
Approved for Stage IIIA & IIIB engines in power range 37-56kW to achieve Stage V equivalence
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Retrofit exhaust after-treatment system (DPF) for short term duration fitment
For PM reduction only
HJS SMF- ER
Class I
Approved for engines up to 130kW
Approved for Stage IIIB engines in power range 37-56kW to achieve Stage V equivalence
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for engines up to 130kW
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for engines up to 130kW
Retrofit exhaust after-treatment system (SCRT). For PM and NOx reduction
HJS SCRT Baukasten
Class IV
Approved
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Retrofit exhaust after-treatment system (SCRT). For NOx reduction only and where a full flow Stage IIIB or Stage IV OEM DPF is fitted
HJS SCR Baukasten
Class III
Approved
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Magtec
Company information Technology Product REC Type Application status Approved NRMM engine applications
Variable speed engines Constant speed engines
37kW-150kW 150kW-300kW 300kW-560kW 37kW-150kW 150kW-300kW 300kW-560kW
Magtec
(Sheffield, UK)
Email: info@magtec.co.uk
Tel: +44 (0)114 244 8416
www.magtec.co.uk
Electric drivetrain re-power
MagTec electric drivetrain systems
N/a
Approved
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Driveline Emissions Technologies Ltd
Company information Technology Product REC Type Application status Approved NRMM engine applications
Variable speed engines Constant speed engines
37kW-150kW 150kW-300kW 300kW-560kW 37kW-150kW 150kW-300kW 300kW-560kW
Driveline Emissions Technologies Ltd
(Penrith, Cumbria UK)
Email: customerservices@drivelineemissions.com
Tel: +44 (0)1768 210 111
www.drivelineemissions.com
Retrofit exhaust after-treatment system (DPF)
For PM reduction only
ecoTrap system
Class IIA
Approved
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Retrofit exhaust after-treatment system (DPF) with electrical heater regeneration For PM reduction online
ecoTRAP-H
Class I
Approved
Approved for stage IIIA & IIIB engines in power range 37-56kW to achieve stage V equivalence
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Retrofit For PM and NOx reduction
EcoNOxt system
Class IV
Approved
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Retrofit For NOx reduction only and where a full flow Stage IIIB or Stage IV OEM DPF is fitted
EcoNOxt system
Class III
Approved
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Johnson Matthey GmbH & Co KG
Company information Technology Product REC Type Application status Approved NRMM engine applications
Variable speed engines Constant speed engines
37kW-150kW 150kW-300kW 300kW-560kW 37kW-150kW 150kW-300kW 300kW-560kW
Johnson Matthey GmbH & Co KG
UK Representation :
BISAF Limited
London,
Email: dpf@bisaf.co.uk
Tel: +44 (0)20 7326 5714
www.bisaf.co.uk
Retrofit exhaust after-treatment system (DPF) with diesel burner regeneration
For PM reduction only
DPF -BU
Class IIA
Approved
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Retrofit exhaust after-treatment system (DPF) with exchangeable filter for external regeneration
For PM reduction only
DPF-C
Class I
Approved
Approved for stage IIIA & IIIB engines in power range 37-56kW to achieve stage V equivalence
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Retrofit exhaust after-treatment system (DPF) with continuous regeneration.
For PM reduction only
DPF-CRT® and CCRT®
Class IIA
Approved
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Retrofit exhaust after-treatment system (DPF) with catalysed soot filter
For PM reduction only
DPF-CSF
Class IIA
Approved
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Retrofit exhaust after-treatment system (DPF) with electrical heater regneration
For PM reduction only
DPFi
Class I
Approved
Approved for stage IIIA & IIIB engines in power range 37-56kW to achieve stage V equivalence
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Retrofit exhaust after-treatment system (DPF) with fuel additive regeneration (fuel borne catalyst (FBC)
For PM reduction only
DPFiS
Class I
Approved
Approved for stake IIIA & IIIB engines in power range 37-56kW to achieve stage V equivalence
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Industrial & Marine Silencers Ltd
Company information Technology Product REC Type Application status Approved NRMM engine applications
Variable speed engines Constant speed engines
37kW-150kW 150kW-300kW 300kW-560kW 37kW-150kW 150kW-300kW 300kW-560kW
Industrial & Marine Silencers Ltd
(Shepshed, Leicestershire, UK)
Email: sales@silencers.co.uk
Tel: +44 (0)1509 506792
www.silencers.co.uk/
Retrofit exhaust aftertreatment system (SCRT). For PM and NOx reduction
IMSeco SCRT System
Class IV
Approved
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Power Electrics (Bristol) Ltd
Company information Technology Product REC Type Application status Approved NRMM engine applications
Variable speed engines Constant speed engines
37kW-150kW 150kW-300kW 300kW-560kW 37kW-150kW 150kW-300kW 300kW-560kW
Power Electrics (Bristol) Ltd
(Bristol, UK)
Tel: +44 (0)370 850 0858
www.powerelectrics.com/contact
Retrofit exhaust after-treatment system (SCRT). For PM and NOx reduction
UlltraGreen System
Class IV
Approved
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Proventia Oy
Company information
Technology
Product
REC Type
Application status
Approved NRMM engine applications
Variable speed engines
Constant speed engines
37kW-150kW
150kW-300kW
300kW-560kW
37kW-150kW
150kW-300kW
300kW-560kW
Proventia Oy
(Oulunsalo, Finland)
www.proventia.com
UK Representation:
Excalibre Technologies Ltd
(Gloucestershire)
sales@excalibretech.com
Tel: +44 (0)1594 887414
www.excalibretech.com
Retrofit exhaust after-treatment system (SCRT). For PM and NOx reduction
Proventia NOxBUSTER (DPF + SCR system)
Class IV
Approved
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Want to find out more about NRMM certification?
Call 020 7654 2424 to tell us about your retrofit systems and equipment, or email our team.
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Last updated: 21 July 2023
