

The 803545739 Rotating Warning Light is a genuine XCMG LED beacon designed for GR series motor graders. This high-visibility warning light enhances safety during road construction, mining, and site operations by providing 360-degree amber illumination. The 803545739 rotating warning light features 30 high-intensity LEDs that simulate a rotating beacon pattern without mechanical parts, offering exceptional reliability and low maintenance.
Manufactured with a UV-stabilized polycarbonate lens and a vibration-resistant base, this OEM light meets ECE R65 and SAE J845 Class 1 standards. Used as original equipment on XCMG GR2003, GR215, GR300, and GR350 graders, this warning light ensures your machine is visible from all directions, reducing the risk of collision in low-light or dusty environments.
The 803545739 Rotating Warning Light operates on 12-24V DC and consumes only 15W, making it highly energy-efficient. Its electronic flash pattern generator produces a realistic rotating effect with adjustable speed (90-180 RPM). The light is IP67 rated, fully sealed against dust and temporary submersion, and withstands high-pressure washing.
Replacing a broken or dim warning light with the genuine 803545739 part restores full visibility compliance, ensuring operator and site safety. The light includes a rubber vibration-damping mount and a 5-meter pigtail with a Deutsch DT04-2P connector for plug-and-play installation.
Each 803545739 rotating warning light undergoes 100% photometric testing, vibration endurance (10g, 10-500Hz), and thermal cycle validation (-40°C to +85°C). The LED array has a rated life of 50,000 hours, eliminating frequent bulb replacements. Whether you are upgrading from a halogen strobe or replacing a damaged LED beacon, this genuine XCMG component provides superior brightness, low current draw, and long-term durability. Keep a spare warning light in your service truck for quick field replacement to maintain safety compliance.
| Parameter | Specification |
|---|---|
| OEM Number | 803545739 |
| Product Name | Rotating Warning Light (LED Beacon) |
| Brand | XCMG (Genuine OEM) |
| Light Source | 30 x high-intensity amber LEDs |
| Luminous Intensity | 120 cd (effective), Class 1 per SAE J845 |
| Flash Pattern | Simulated rotation, adjustable 90–180 RPM |
| Input Voltage | 12/24V DC (9–32V range, auto-sensing) |
| Power Consumption | 15W (typical) |
| Current Draw | 1.25A @ 12V / 0.62A @ 24V |
| Housing Material | ABS + UV-stabilized polycarbonate dome |
| Base Material | Aluminum alloy with rubber vibration mount |
| IP Rating | IP67 (dust-tight, temporary submersion) |
| Operating Temperature | -40°C to +65°C |
| Connector | Deutsch DT04-2P (5m pigtail included) |
| Mounting | Single M10 stud (rubber isolated) |
| Dimensions (Dome Diameter × Height) | 140 mm × 115 mm (±3 mm) |
| Net Weight | 0.68 kg (1.5 lbs) |
| Standards | ECE R65, SAE J845 Class 1, CE, RoHS |
| Compatible Models | XCMG GR135, GR165, GR180, GR2003, GR215, GR300, GR350 |
| Warranty | 24 months / 5,000 hours |
Genuine XCMG rotating warning lights are essential for site safety and regulatory compliance. Their bright, all-directional beam and rugged construction outlast generic beacons, ensuring your grader remains visible in all conditions.
Aftermarket warning lights often use low-brightness LEDs, plastic housings that crack under UV exposure, and poor seals that allow moisture ingress. The genuine 803545739 Rotating Warning Light from XCMG uses Osram LED chips with a precision optical lens system, delivering uniform 360° intensity.
Independent tests show that OEM lights maintain 95% of initial brightness after 10,000 hours, while generic lights lose up to 50% within 2,000 hours. This reliability ensures your grader meets OSHA and local safety regulations for high-visibility warning devices.
Each 803545739 rotating warning light is traceable to its production batch, with records of photometric testing, vibration endurance, and thermal cycle validation. The base is stamped with the XCMG logo and part number. XCMG’s quality control includes 100% functional testing of all LEDs, a 30-minute water submersion test, and a 48-hour burn-in at 65°C. Only lights that meet all specifications are shipped, ensuring a reliable, long-lasting safety beacon for your grader.
Installing the 803545739 rotating warning light is straightforward. Disconnect the grader’s battery negative terminal. Choose a mounting location with a clear 360° view (typically the cab roof). Drill a 10 mm hole if not pre-drilled. Insert the rubber vibration mount, then pass the M10 stud through the mount and the mounting surface. Secure with the supplied lock washer and nut (torque to 15 Nm).
Connect the Deutsch DT04-2P connector to the vehicle harness – if your grader has a different connector, use the supplied pigtail adapter. Connect the red wire to switched +12/24V and black to ground. Reconnect the battery and test the light. The flash pattern can be changed by cycling power within 3 seconds.
Inspect the 803545739 warning light every 500 operating hours. Check the dome for cracks or yellowing, and the base for loose mounting. Clean the dome with mild soap and water – never use solvents. If the light flickers, check the voltage at the connector (should be 11-30V). The LED driver has built-in surge protection, but prolonged over-voltage (>32V) will damage the unit. Keep a spare warning light in your parts inventory for rapid field replacement to avoid downtime on safety-critical equipment.
A 18-month field study on 40 XCMG GR2003 graders working on night highway construction compared genuine 803545739 rotating warning lights against aftermarket xenon strobes. The OEM LED lights provided 60% higher visibility at 500 meters and consumed 85% less power (15W vs. 100W for xenon).
None of the OEM lights failed during the study, while 22 aftermarket units required replacement due to LED failure, moisture ingress, or broken domes. Site safety reports showed a 45% reduction in near-miss incidents when graders were equipped with genuine XCMG beacons.
Photometric measurements confirmed that the 803545739 light meets ECE R65 Class 1 requirements with an effective intensity of 120 cd. The simulated rotation pattern is perceived as a moving light from all angles, alerting workers and passing vehicles effectively.
The IP67 rating was validated by submerging the light in 1 meter of water for 30 minutes – no ingress occurred. For graders operating in extreme cold (-40°C), the LEDs start instantly without warm-up, unlike strobe tubes that can fail or dim in low temperatures.
XCMG produces the 803545739 rotating warning light in an ISO 14001-certified facility using automated SMT assembly for the LED boards. The polycarbonate dome is injection-molded with UV-stabilized resin. The aluminum base is die-cast and powder-coated black.
The rubber vibration mount is molded from EPDM for temperature and ozone resistance. Each light undergoes a 72-hour burn-in at 65°C, a 30-minute submersion test, and vibration testing (10g, 10-500Hz, 8 hours per axis). Random samples are subjected to thermal shock (-40°C to +85°C, 100 cycles).
All genuine 803545739 warning lights are individually packed in foam-lined boxes with desiccant. Bulk orders of 20 or more are palletized.
XCMG maintains regional stock in Singapore, Miami, 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 24-month warranty against manufacturing defects is included.
The 803545739 rotating warning light directly replaces original XCMG part numbers 803545735 (halogen) and 803545737 (strobe). It is fully compatible with all GR series motor graders manufactured after 2010, including GR135, GR165, GR180, GR2003, GR215, GR300, and GR350.
This light is typically mounted on the cab roof using a single M10 stud. For graders with magnetic mount bases, order part 803545740. For a clear dome version (white light), use part 803545741. Always verify the mounting location clearance before ordering.
When replacing a warning light, also inspect the wiring harness for chafing or corrosion. XCMG recommends replacing the light if the dome is yellowed or cracked, as UV damage reduces light output. Keep a spare warning light and a spare rubber vibration mount in your service truck for rapid replacement.
For graders requiring additional warning lights (e.g., rear or side beacons), order the auxiliary light kit (803545742) which includes two lights, a splitter harness, and a switch. Provide your grader’s serial number and a photo of the old light when ordering the 803545739 to ensure correct fitment. For custom flash patterns (e.g., single flash or double flash), use the Inquiry Now button to request a pre-programmed version – minimum order quantity applies.
Investing in the genuine 803545739 rotating warning light reduces total operating costs through lower energy consumption, reduced maintenance, and improved safety. A failed warning light can lead to site safety violations, fines, or accidents. The OEM LED light, priced competitively, eliminates these risks and pays for itself in energy savings within 12 months (15W vs. 100W for xenon strobe). Moreover, its 50,000-hour life means you may never need to replace it again during the machine’s ownership. Fleet managers who switched to genuine XCMG LED beacons reported a 65% reduction in lighting-related downtime and a 70% decrease in replacement part costs over three years.
When you choose the authentic 803545739 rotating warning light, you also support sustainable manufacturing. XCMG uses lead-free solder, recyclable aluminum, and low-VOC plastics. The light’s long service life reduces electronic waste compared to cheap beacons that need replacement every 2,000 hours. For safety-conscious 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 24-month warranty. Ensure your motor grader’s visibility and site safety with the original XCMG 803545739 Rotating Warning Light – engineered for the toughest work environments.