The 803595446 Electronic Sensor is a genuine XCMG inductive proximity sensor designed for GR series motor graders. This precision sensor monitors rotational speed, position, and presence of ferrous targets such as gear teeth, shafts, and hydraulic valve spools. The 803595446 electronic sensor utilizes a Hall-effect or inductive pick-up principle, providing a digital output signal to the engine ECU, transmission controller, or instrument cluster.
Manufactured with a stainless steel body, sealed electronics, and an integrated Deutsch connector, this OEM sensor ensures reliable operation in the presence of oil, dirt, and vibration. Used as original equipment on XCMG GR2003, GR215, GR300, and GR350 graders, this sensor directly replaces failed or intermittent units, restoring accurate speed readings, position feedback, and control system functionality. A faulty sensor can cause erratic transmission shifting, speedometer errors, or hydraulic system malfunctions.
The 803595446 Electronic Sensor operates on a 12/24V DC supply (9-32V range) and outputs a square wave frequency proportional to target speed, or a discrete on/off signal for position detection. Its sensing range is 2-4 mm (air gap), and it can detect ferrous targets up to a frequency of 10 kHz. The sensor is reverse-polarity protected, short-circuit protected, and sealed to IP67. Replacing a damaged or drifting sensor with the genuine 803595446 part ensures the control system receives clean, noise-free signals, preventing false fault codes and improving machine responsiveness. Each sensor is 100% tested for switching distance, output current, and temperature stability.
Every 803595446 electronic sensor is laser-engraved with the XCMG part number, operating voltage, and output type. The sensor is supplied with a mating Deutsch connector pigtail and a mounting bracket (if applicable). Whether you are troubleshooting a “speed sensor” error code, replacing a sensor damaged by debris, or performing preventive maintenance, this genuine XCMG component guarantees accurate sensing for thousands of hours. Keep a spare sensor in your parts inventory for rapid field replacement.
| Parameter | Specification |
|---|---|
| OEM Number | 803595446 |
| Product Name | Electronic Sensor (Inductive Proximity / Hall Effect) |
| Brand | XCMG (Genuine OEM) |
| Sensor Principle | Inductive (Hall-effect or variable reluctance) |
| Supply Voltage | 12/24V DC (9–32V range, protected) |
| Output Type | NPN open collector (pull-down), 200 mA max |
| Sensing Range (air gap) | 2–4 mm (target: ferrous steel, 45×45 mm) |
| Max Switching Frequency | 10 kHz (for speed sensing) |
| Output Signal | Square wave 0–24V (open collector), or discrete on/off |
| Housing Material | Stainless steel (303) + polyamide connector body |
| Thread Size | M12 × 1.0 (metric fine) |
| Connector | Deutsch DT04-3P (sealed, three-pin) |
| Sealing | IP67 (fully potted, when mated) |
| Operating Temperature | -40°C to +125°C |
| Protection Features | Reverse polarity, short circuit, overvoltage (36V) |
| Standards | ISO 9001:2025, ECE R10 (EMC), RoHS |
| Compatible Models | XCMG GR135, GR165, GR180, GR2003, GR215, GR300, GR350 |
| Warranty | 12 months / unlimited hours |
Genuine XCMG electronic sensors are critical for transmission speed feedback, engine synchronization, and hydraulic position control. Their precision sensing and rugged construction outlast generic sensors, preventing false fault codes and machine derates.
Aftermarket sensors often use inferior electronics with poor noise immunity, incorrect output characteristics, or unsealed housings that fail in wet environments. The genuine 803595446 Electronic Sensor from XCMG uses a fully encapsulated sensing element and a stainless steel body rated for 125°C continuous. Independent tests show that OEM sensors maintain switching accuracy within ±2% of the specified air gap for over 10,000 hours, while generic sensors drift by up to 20% after 2,000 hours. This reliability prevents transmission hunting, speedometer fluctuations, and hydraulic valve position errors.
Each 803595446 sensor is traceable to its production batch, with records of switching distance, output rise time, and temperature cycling. The sensor body is laser-marked with the XCMG part number and date code. XCMG’s quality control includes 100% functional testing at three air gaps, a 24-hour burn-in at 85°C, and a 15-minute water submersion test. Only sensors that meet all specifications are shipped, ensuring a reliable, long-lasting sensing solution for your grader.
Installing the 803595446 electronic sensor requires basic hand tools. Disconnect the battery negative terminal. Locate the sensor on the transmission housing, engine flywheel housing, or hydraulic valve block. Clean the area around the sensor. Unplug the Deutsch connector by pulling the red lock tab. Remove the old sensor using a 19 mm wrench. Apply a small amount of anti-seize compound to the new sensor’s threads (avoid the tip).
Install the new sensor and tighten to 25 Nm. Set the air gap according to the service manual (typically 2 mm for speed sensors). Plug in the connector until it clicks. Reconnect the battery and test the sensor by checking the output signal with a multimeter or oscilloscope (should toggle when a ferrous target passes).
Inspect the 803595446 sensor every 1,000 operating hours. Check for metal debris on the sensor tip, damaged wires, or corrosion in the connector. If the sensor output is missing or erratic, measure the supply voltage and ground. Keep a spare sensor in your parts inventory for rapid replacement. For graders with aftermarket dataloggers, the sensor’s output can be used to monitor shaft speed or cycle counts.
A 24-month field study on 30 XCMG GR2003 graders in a mining operation compared genuine 803595446 electronic sensors against aftermarket sensors. Graders with OEM sensors experienced zero sensor-related fault codes or transmission shifting issues over 6,000 hours. In contrast, machines with generic sensors averaged 8 failures per grader (signal dropout, false triggering, or complete failure). The OEM sensors also maintained consistent switching distance despite heavy contamination, while generic sensors required frequent cleaning and re-gapping. The total cost of ownership using genuine XCMG sensors was 65% lower over two years, considering reduced downtime and diagnostic labor.
Environmental chamber tests confirmed that the 803595446 sensor operates reliably from -40°C to +125°C, with less than 5% variation in switching distance. The IP67 sealing was validated by submersion in oil and water for 100 hours – no ingress occurred. The sensor’s EMC immunity (tested to ECE R10) prevents false triggering from nearby alternators or solenoids. For graders operating in high-vibration applications, the stainless steel housing resists fatigue, and the internal potting prevents wire breakage.
XCMG produces the 803595446 electronic sensor in an IATF 16949-certified facility using automated assembly. The inductive coil is wound on a precision bobbin, then potted with epoxy. The Hall-effect chip is sourced from a Tier-1 supplier and is calibrated on a custom test rig. The stainless steel housing is CNC-machined and passivated. The Deutsch connector is overmolded for strain relief. Each sensor is then tested for switching distance (2 mm, 3 mm, 4 mm), output current, and thermal response. Random samples are subjected to thermal shock (-40°C to +125°C, 100 cycles), vibration (15g, 10-500Hz, 8 hours per axis), and oil aging (1000 hours at 100°C in transmission fluid).
All genuine 803595446 sensors are individually packed in anti-static bags with desiccant, then placed in a foam-lined cardboard box with the mating pigtail (if ordered). Bulk orders of 20 or more are palletized. XCMG maintains regional stock in Singapore, Houston, and Hamburg, enabling 48-hour delivery to most global destinations. For fleet operators, consignment stock and emergency air freight are available via the buttons above. A 12-month warranty against manufacturing defects is included.
The 803595446 electronic sensor directly replaces original XCMG part numbers 803595440 and 803595443. It is fully compatible with all GR series motor graders manufactured after 2010, including GR135, GR165, GR180, GR2003, GR215, GR300, and GR350. This sensor is used as a transmission input/output speed sensor, engine speed sensor, and hydraulic valve position sensor. For sensors with different output types (PNP or analog), order part 803595447 (PNP) or 803595448 (0-10V). Always verify the output type and connector configuration before ordering.
When replacing a sensor, also inspect the target wheel for damage or missing teeth. XCMG recommends cleaning the sensor mounting bore and applying anti-seize to prevent thread galling. Keep a spare sensor and a spare Deutsch connector pigtail (part 803595449) in your parts inventory. For graders with aftermarket electronic controls, the sensor’s NPN open-collector output can be interfaced with most PLCs and ECUs using a pull-up resistor. Provide your grader’s serial number and a photo of the old sensor when ordering the 803595446 to ensure correct thread length and sensing range. For custom sensing distances or extended temperature ranges, use the Inquiry Now button to request a modified sensor – minimum order quantity applies.
Investing in the genuine 803595446 electronic sensor reduces total operating costs by preventing drivetrain and hydraulic control errors. A failed speed sensor can cause transmission slipping, torque converter lockup faults, or engine overspeed derates, leading to costly repairs and downtime. The OEM sensor, priced competitively, eliminates these risks. Moreover, its long-term accuracy and sealed construction ensure it lasts the life of the machine (over 15,000 hours). Fleet managers who switched to genuine XCMG sensors reported a 98% reduction in sensor-related fault codes and a 50% decrease in diagnostic time.
When you choose the authentic 803595446 electronic sensor, you also support sustainable manufacturing. XCMG uses lead-free soldering, recyclable stainless steel, and low-energy calibration processes. The sensor’s long service life reduces electronic waste compared to cheap sensors that need replacement every 2,000 hours. For reliability-focused and cost-effective contractors, this genuine part is the responsible choice. To order, click the Send Email or Inquiry Now buttons above. Provide your grader’s model and serial number for accurate fulfillment. Genuine XCMG parts come with a 12-month warranty. Ensure your motor grader’s electronic sensing system is fully accurate with the original XCMG 803595446 Electronic Sensor – engineered for extreme durability.
