Agricultural · ECU Remapping

Caterpillar Excavators 309 CR VAB 3.33l 70 hp Tuning (2019–)

Factory specification and Stage 1 remap gains for the Caterpillar Excavators 309 CR VAB 3.33l 70 hp (2019–). A Stage 1 calibration adds 6 BHP and 50 Nm — software only, no hardware modifications required.

20192019–3330 ccDieselECU: Bosch EDC17C49Estimated
MeasureOriginalStage 1

Power

BHP

70

76Estimated

+6 BHP · +9%

Torque

Nm

350Estimated

400

+50 Nm · +14%

+6 BHP

Stage 1 power gain (estimated)

+50 Nm

Stage 1 torque gain (estimated)

Estimated figures are based on engine, ECU and comparable application data. Actual results can vary depending on software version, machine condition and configuration.

Power & torque curves

Illustrative Performance Curve

Illustrative curve generated from published/estimated peak figures. This is not an individual rolling-road test. Power (BHP, solid) and torque (Nm, dashed) across engine speed (RPM); peak figures match the published database values.

02040608001002003004001k1.5k2kBHPNmRPM70 bhp76 bhp

Hover / touch the graph

Stock: 70 bhp · 349.9 Nm (peak)

Stage 1: 76 bhp · 399.9 Nm (peak)

Tuning tool compatibility

This ECU is listed in 4 of 4 manufacturer compatibility databases.

AutoTuner

Supported — ECU family

ECU: Bosch EDC17C49

BenchBoot

Alientech KESS3

Supported — ECU family

ECU: Bosch EDC17C49

BenchBoot

Magicmotorsport FLEX

Supported — ECU family

ECU: Bosch EDC17C49

BenchBoot

Dimsport New Genius / New Trasdata

Supported — ECU family

ECU: Bosch EDC17C49

BenchMy GeniusRapid Fr
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