2014 - Present Hitachi Excavator Reflash

$2,995.00
Reflash Options
Tooling
$2,995.00
$2,995.00
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Hitachi Final Tier 4 Excavator EGR, DPF & DEF Reflash

For Hitachi Zaxis -6 excavators built from 2014 to today, ZX130-6 through ZX870LC-6, plus the ZX190W-6 wheeled excavator. Send in the engine ECM and ACM and our shop reprograms them with the EGR, DPF and DEF shut off, then ships them back to you the following day. We ship all across the US and Canada.

FitsZaxis -6 · 2014–present
SystemsEGR · DPF · DEF/SCR
TierFinal Tier 4
MethodBench flash
TurnaroundNext day
Warranty1 year software
Emissions tuning onlyWe do not offer horsepower tunes for Hitachi excavators. Engine output stays at the factory rating.
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FIRST, FOR EVERY ZAXIS -6Send us a photo of the engine data plateYou will find it under the engine hood. We use it to match the software to your exact engine before you pull the modules.
Email data plate photo

What’s included

01EGR, DPF and DEF delete software matched to your engine
02Programmed and shipped back the next day
031 year software warranty

Mail-in process

STEP 01OrderWe email you shipping and customs instructions.
STEP 02Remove & shipUnplug the ECM and ACM and send both in.
STEP 03Bench flashWe reprogram both and return them the next day.
STEP 04InstallReconnect both modules and fire up the excavator.
NoteSend the ACM with the ECM. Both modules must be bench flashed to shut off the DEF/SCR system.

After the tune

EXHAUSTHollow out or straight pipe the DPFGut the DPF canister or put a straight pipe in its place. The SCR catalyst lets exhaust pass freely, so it can stay where it is.
EGRBlock-off plate recommendedThe software keeps the EGR closed. Bolting a block-off plate over the port adds a second layer, so exhaust stays out of the intake even if the valve sticks open.

Hitachi excavators we reflash

Final Tier 4 Zaxis -6 crawler and wheeled excavators, 2014 to present.

ZX130-6
ZX160LC-6
ZX180LC-6
ZX210-6 · LC-6
ZX250LC-6
ZX300LC-6
ZX350LC-6
ZX380LC-6
ZX470LC-6
ZX670LC-6
ZX870LC-6
ZX190W-6 · Wheeled

Model not listed, or unsure which tier you have? Email the data plate photo and we will tell you which reflash fits.

Why delete the EGR, DPF and DEF on a Hitachi Final Tier 4 excavator?

EGR

Exhaust gas recirculation

Every time the EGR valve opens, a share of hot, sooty exhaust is pushed back through the cooler and into the intake manifold. Hours of trenching and loading trucks leave a layer of carbon that narrows the passages, slows the valve and can crack a cooler. Shutting the EGR down keeps the intake clean and the engine running on fresh air.

DPF

Diesel particulate filter

A Zaxis -6 traps soot in its DPF and has to stop or slow down to burn it off. Jobs with a lot of idling and light swinging never get the exhaust hot enough, so regens come more often and ash keeps building until the filter needs service. With the DPF turned off, the excavator works through the day without regen interruptions.

DEF

Diesel exhaust fluid / SCR

Final Tier 4 adds a DEF tank, pump, heated lines and NOx sensors to the machine. Contaminated fluid, a frozen line or one failed sensor can drop the engine into derate in the middle of a job. Turning the SCR off removes the fluid cost and the parts most likely to leave the excavator limping.

Frequently asked questions

Q1Where do I find the engine data plate on a Zaxis -6?+

Lift the engine hood and look on the engine and the surrounding panels. Send us a sharp photo with every line legible, either with your order or before you place it.

Q2Why do the ECM and ACM have to come out?+

Final Tier 4 Hitachi excavators are reprogrammed on our bench, not through the diagnostic port. The ACM runs the DEF/SCR system, so we need it along with the ECM. Once both modules are in our shop we read them, write the new software and send them home the following day.

Q3How much downtime should I expect?+

Count the transit days in both directions and add one day for programming. The excavator just sits until the ECM and ACM are back and plugged in.

Q4What happens to the DPF and the SCR catalyst?+

Empty the DPF canister or fit a straight pipe after reinstalling both modules. The SCR catalyst does not restrict exhaust flow, so it can stay on the machine.

Q5Will I still need DEF?+

No. The DEF dosing system is switched off in the software, so the tank no longer needs filling and the SCR warnings go away.

Q6Is an EGR block-off plate needed?+

It is our recommendation. The software already closes the EGR, and a plate over the port is cheap insurance in case the valve opens on its own later.

Q7Does this add horsepower?+

No. The reflash targets the emissions systems only, and your excavator runs at its factory power rating.

Q8Disclaimer+

Off-road use only. Not for machines registered for highway use. Buyers must know their state or provincial laws before ordering.

Why Reimer Tuning

We are a Canadian team that has focused on heavy equipment software since 2014. Each Final Tier 4 Hitachi ECM and ACM is reprogrammed by our own technicians, tested on the bench and returned the next day, backed by a 1 year software warranty.

Emailing us? Attach a photo of your engine data plate.

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

2014 - Present Hitachi Excavator Reflash

$2,995.00

Questions about this product?
Talk to a member of our team

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