Claas Plug and Play Module

$2,495.00
Aftertreatment Module
$2,495.00
$2,495.00
Shipping calculated at checkout.

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Claas Plug-and-play DEF & DPF Module

No flashing, no laptop and no mailing parts back and forth. Our emulator plugs straight into the harness at the aftertreatment control module on Mercedes-powered Lexion, Jaguar and Xerion machines, and the DEF/SCR and DPF systems stop holding the machine back. It installs in three steps and carries a 2 year warranty. We ship all across the US and Canada.

FitsLexion · Jaguar · Xerion
EnginesMercedes-Benz only
SystemsDEF / SCR · DPF
VersionsTier 4 (ACM 2.1) · Stage V (ACM 3)
MethodPlug-in emulator at the ACM
Warranty2 year module
Mercedes engines onlyThis module does not work on Claas machines with MAN engines.
Emissions removal onlyThe module does not add horsepower. Your engine keeps its factory rating.
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FIRST, CHECK YOUR ENGINENot sure if it is Mercedes or MAN?Email us a photo of the engine data plate with your model and year. We will confirm the engine and tell you whether you need the Tier 4 or Stage V module.
Email data plate photo

Install in three steps

No laptop or flashing needed
STEP 01Find the ACMLocate the aftertreatment control module and its CAN bus harness connector.
STEP 02Plug inConnect the module into the harness at the ACM, following the included instructions.
STEP 03Cover & runFit the protective cover over the connector, key on and get back to work.

What's included

01Plug-and-play module
02Step-by-step install instructions
Important noteThe EGR system must remain functional with this emulator.

After the install

EXHAUSTACM 3.1: hollow out or straight pipe the DPFApplications with the ACM 3.1 require the DPF canister to be either hollowed out or straight piped. The DEF catalyst flows freely and stays on the machine.
DEF TANKDrain and rinseThe machine no longer uses DEF. Empty the tank and rinse the system with washer fluid so leftover fluid cannot crystallize.

Claas machines it fits

Tier 4 and Stage V Claas machines powered by Mercedes-Benz engines.

Lexion600 & 700 series630 · 660 · 670 · 770 · 780
Lexion7000 & 8000 seriesMercedes-powered only · e.g. 7400 · 7500 · 8700 · 8800
Jaguar800 series840 · 850 · 860 · 870 · 880 (2015+)
Jaguar900 series950 and related · OM 471 / OM 473
Xerion4000 · 4200OM 470
Xerion4500 · 5000OM 471

Many newer Lexion 7000 and 8000 combines run MAN engines and are not supported. Send us your data plate photo and we will confirm before you order.

Why remove the DEF and DPF on a Claas?

DEF

Diesel exhaust fluid

A Lexion or Jaguar running long harvest days burns through DEF fast, and someone has to keep it coming to the field along with fuel. Between seasons, fluid left in the tank breaks down and leaves crystals in the pump and lines. With the module in place, the machine no longer asks for DEF at all.

SCR

Selective catalytic reduction

The SCR system depends on NOx sensors, a dosing unit and heated lines, and a fault in any of them can derate the engine mid-harvest. On a forage harvester or combine, that can mean a full crew waiting on a part. The module stops those faults from limiting the machine.

DPF

Diesel particulate filter

Regens burn extra fuel and can interrupt work when the filter loads up, and a plugged DPF is expensive to clean or replace. It also restricts how freely the engine can breathe. With the DPF hollowed out or piped, regens are gone and the exhaust flows freely.

Frequently asked questions

Q1Which Claas machines does the module fit?+

It fits Lexion, Jaguar and Xerion machines powered by Mercedes-Benz engines, such as the OM 460, OM 470, OM 471 and OM 473. It does not work on machines with a MAN engine.

Q2How do I know if my engine is Mercedes or MAN?+

Check the engine data plate or the valve cover. If you are not sure, email us a photo of the data plate with your model and year, and we will confirm before you order.

Q3Do I choose the Tier 4 or Stage V version?+

Tier 4 machines use the ACM 2.1 version of the module, and Stage V machines use the ACM 3 version. Your data plate tells us which one you need.

Q4Where does the module plug in?+

It connects into the CAN bus harness at the aftertreatment control module (ACM). A cover is included to protect the connector on the module.

Q5Do I need to change the exhaust?+

On applications with the ACM 3.1, the DPF canister must be hollowed out or straight piped. The DEF catalyst does not restrict flow, so it stays in place.

Q6Does the module add horsepower?+

No. The plug-and-play module removes the emissions systems only. Your engine keeps its factory power rating.

Q7What do I do with the DEF tank?+

Once the module is in, the machine stops using DEF. Drain the tank, rinse the system with washer fluid so nothing crystallizes, and leave it empty.

Q8How fast do you ship?+

Most modules ship within 1 business day to anywhere in the US and Canada. Expedited orders placed after 12 ET go out the next day.

Q9Disclaimer+

Off-road agricultural use only. Not for machines registered for highway use. Buyers are responsible for knowing their state or provincial laws.

Why Reimer Tuning

Reimer Tuning is owned and run in Canada and has been working on farm equipment since 2014. Our Claas module is built to plug in and stay in, it comes with a 2 year warranty, and a tech who knows these machines is a phone call away.

Off-road use only. Not for machines registered for highway use. Buyers are responsible for knowing their provincial or state legislation. All sales final.

Claas Plug and Play Module

$2,495.00

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