Your Vehicle
JCB Fastrac 4190 - 6.6 - SCR - 189hp
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online, installation quoted by the workshop Ask for a quote
Power HP
Torque Nm
Stage 1 for this engine: quote first, then the file online
The file costs 100 € online; the installation depends on how your ECU is worked on and the workshop confirms it. Ask for a quote: you receive the price and the link to buy the file. · terms
Power Graph
JCB Fastrac 4190 - 6.6 - SCR - 189hp: da 189 a 220HP
Remapping JCB Fastrac
MasterTuning develops remapping for JCB. La JCB Fastrac 4190 - 6.6 - SCR - 189hp può passare da 189 HP a 220 HP con un incremento di 31 HP.
The development of each remap is customized by MasterTuning.
- 100% customised files with lifetime warranty
- Reference values for Stage 1: the file is developed on your vehicle and checked in the workshop
- Best performance, within safety margins
- Reduced fuel consumption
ECU Remapping Details JCB Fastrac 4190 - 6.6 - SCR - 189hp
The JCB Fastrac 4190 - 6.6 - SCR - 189hp is equipped with a diesel engine that produces 189 HP and 850 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this JCB can achieve 220 HP (+16%) and 1050 Nm (+24%).
Our Stage 1 tuning for the Fastrac All delivers an impressive gain of +31 HP and +200 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
As a diesel engine, this JCB responds exceptionally well to ECU tuning. Owners typically report improved throttle response, smoother power delivery, and in many cases, better fuel efficiency under normal driving conditions.
Don't want to touch the ECU?
Rapid Dimsport add-on modules connect to the engine sensors with original connectors: they fit in a few hours and come off without a trace, leaving the factory software untouched. Useful on a leased car, one still under warranty or one you plan to sell soon. Check which ones fit your JCB Fastrac.
Frequently Asked Questions - JCB Fastrac
How much power can I gain from remapping my JCB Fastrac?
With MasterTuning Stage 1, your JCB Fastrac 4190 - 6.6 - SCR - 189hp can gain +31 HP (from 189 to 220 HP) and +200 Nm of torque. This represents a 16% increase in power.
Is ECU remapping safe for the JCB Fastrac engine?
Yes, MasterTuning's remapping for the JCB Fastrac 4190 - 6.6 - SCR - 189hp is developed within safe parameters. Each file is developed on your vehicle, checked in the workshop and stays within the mechanical limits of the engine.
Is the JCB ECU remapping reversible?
Absolutely. The original factory calibration of your JCB Fastrac is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my JCB warranty?
ECU remapping may affect your manufacturer warranty. We recommend checking your specific warranty terms. Many of our customers choose to remap after the warranty period or accept this trade-off for the significant performance gains.
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