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Equip your workshop with this highly reliable specialized zexel red3 red4 governor drive controller. Built specifically for heavy commercial vehicles, this rugged metal console
provides the exact electrical signals needed to validate Japanese electronic inline injection systems securely on your test bench.
Unlike generic boxes, it functions as a precise variable pulse width modulation calibrating tool. The dual digital LED screens and dedicated potentiometers allow technicians to
independently adjust PWM1 and PWM2 values. This ensures that the actuator's rack response perfectly matches the manufacturer's operational specifications.
By integrating this aftermarket diesel electronic rack control simulator, diagnosing complex governing faults becomes straightforward. It is a must-have for specialized technicians
looking to rebuild Isuzu or similar heavy-duty truck fuel systems efficiently and confidently.




| Specification Item | Details |
| Product Model | Zexel-RED-IV (RED3/RED4) Pump Tester |
| Manufacturer | Beacon Machine Manufacturing Co., Ltd |
| Target Pump Brand | Zexel (Commonly used in Isuzu commercial vehicles) |
| Applicable Pump Type | Electronic Governor Inline Injection Pumps |
| Signal Output Type | Dual Channel Pulse Width Modulation (PWM) |
| Display Monitor | Dual Digital Red LED Screens (PWM1 & PWM2) |
| Control Interface | Manual Rotary Adjustment Knobs (-PW1+, -PW2+) |
| Status Indicators | Green (PW1), Yellow (PW2), Red (Power) LEDs |
| Main Power Control | Rotary OFF/ON Selector Switch |
| Chassis Construction | Industrial Metal Housing with Side Handling Bars |
| Included Accessories | Specific Zexel actuator wiring harness with connectors |



