Your Vehicle
John Deere 4000serie 4045 112hp
Technical Specifications
Power and torque increase
Stage 1: software remap only, no mechanical changes, fully reversible.
Stage 1: file 100 € online + installation 350 € at the workshop (via the OBD port) Book now
Power HP
Torque Nm
Buy the Stage 1 file, pay the installation at the workshop
100 € VAT included: the file developed for your engine, paid online
Installation: 350 € network price, the workshop may charge less, paid at the chosen workshop (via the OBD port) · terms
Power Graph
John Deere 4000serie 4045 112hp: da 112 a 137HP
Remapping John Deere 4000serie
MasterTuning develops remapping for John Deere. La John Deere 4000serie 4045 112hp può passare da 112 HP a 137 HP con un incremento di 25 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 John Deere 4000serie 4045 112hp
The John Deere 4000serie 4045 112hp is equipped with a diesel engine that produces 112 HP and 400 Nm of torque in its factory configuration. With MasterTuning's professional ECU remapping, this John Deere can achieve 137 HP (+22%) and 550 Nm (+38%).
Our Stage 1 tuning for the 4000serie All delivers an impressive gain of +25 HP and +150 Nm, optimizing the diesel engine's performance while maintaining reliability and staying within safe parameters.
The Phoenix L34 ECU is professionally recalibrated to unlock hidden potential while preserving engine longevity.
As a diesel engine, this John Deere 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.
Technical Specifications — John Deere 4000serie 4045 112hp
Factory technical data for the John Deere 4000serie 4045 112hp (All), used by MasterTuning engineers to develop a remap tailored to this specific powerplant. Figures shown are reference values for Stage 1; the file is developed on your vehicle and checked in the workshop.
| ECU / Control unit | Phoenix L34 |
|---|---|
| Fuel | Diesel |
| Stock power | 112 HP · 400 Nm |
| Remapped power (Stage 1) | 137 HP (+25) · 550 Nm (+150) |
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 John Deere 4000serie.
Frequently Asked Questions - John Deere 4000serie
How much power can I gain from remapping my John Deere 4000serie?
With MasterTuning Stage 1, your John Deere 4000serie 4045 112hp can gain +25 HP (from 112 to 137 HP) and +150 Nm of torque. This represents a 22% increase in power.
Which ECU does the John Deere 4000serie 4045 112hp use?
The John Deere 4000serie 4045 112hp uses the Phoenix L34 engine control unit. MasterTuning recalibrates this ECU for Stage 1 and Stage 2.
Is ECU remapping safe for the John Deere 4000serie engine?
Yes, MasterTuning's remapping for the John Deere 4000serie 4045 112hp 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 John Deere ECU remapping reversible?
Absolutely. The original factory calibration of your John Deere 4000serie is always backed up before remapping. The process is 100% reversible at any time.
Will remapping affect my John Deere 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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Book your remap or ask for a quote
Stage 1 can be bought online and is done at the workshop you choose; for Stage 2 we send you a quote.
Stage 2 is quoted on request: write to us and we will reply with price and timing.
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