Offroad High Intensity CREE LED Light Bar
The SLL-83X is a high intensity LED light bar designed for off-road vehicles and heavy machinery that operate in extreme conditions. Built with 3W CREE LEDs, it delivers consistent illumination across rugged terrain, dust storms, and high vibration environments. The die-cast aluminium housing and IP68 sealing ensure long-term reliability in wet, dusty, or salt-laden conditions. The light bar operates on a wide 9–32V DC range, making it compatible with both 12V and 24V systems without requiring voltage conversion.
- 3W CREE LEDs provide high lumen output with stable performance under extreme vibration and temperature swings
- IP68 sealing prevents water and dust ingress, even during pressure washing or prolonged exposure to mud and rain
- 9–32V DC operation allows one part number to serve both 12V and 24V vehicle systems, reducing inventory complexity
- Overvoltage and overheat protection prevent damage from electrical surges or prolonged high-load operation
- Durable UV-resistant polyester powder coating resists fading and chipping on machines exposed to sunlight and abrasion
Where This Lamp Is Used
- Front mounting on off-road 4x4 vehicles for visibility during night trail driving and desert expeditions
- Side and rear mounting on trucks and engineering vehicles operating in mining or construction zones
- Auxiliary lighting on excavators and cranes working in low-light or high-dust environments
- Fleet lighting on utility and service vehicles used in remote areas with unreliable power sources
- Lighting on agricultural machinery operating during early morning or late evening shifts
Who It Is For
- Distributors sourcing LED light bars for 4x4 accessory brands and off-road vehicle markets
- Machinery OEMs integrating lighting into production line builds for trucks, excavators, and cranes
- Fleet operators replacing halogen or low-output LED bars that fail under vibration or heat
- 4x4 accessory brands developing private label light bar ranges with consistent performance
- Equipment dealers fitting lighting on machines used in mining, agriculture, and construction
Problems It Solves
- Halogen and low-grade LED bars fail prematurely under vibration and high heat in off-road conditions
- Light bars with inadequate sealing allow water and dust to enter, causing internal fogging and electrical faults
- Narrow beam or low-lumen bars leave large areas of the work zone unlit, increasing accident risk
- Inconsistent voltage tolerance forces the use of multiple part numbers for 12V and 24V systems
- Lack of overvoltage or overheat protection leads to early failure during electrical spikes or prolonged use
Technical Features
- Four 3W CREE LEDs with a total real power draw of 12W and maximum rating of 15W
- Beam options: spot, flood, or combo beam to suit different terrain and visibility needs
- Die-cast aluminium housing with semi-gloss black UV-resistant polyester powder coating
- Anti-scratch polycarbonate lens with UV protection to resist yellowing and impact damage
- Overvoltage protection circuit prevents damage from voltage spikes above 32V DC
- Overheat protection shuts down the light if internal temperature exceeds safe operating limits
- Operating temperature range of -40 to +85 degrees Celsius for use in arctic and desert climates
- IP68 sealing rated for continuous submersion in water and full dust resistance
- 9–32V DC input range supports both 12V and 24V vehicle electrical systems
- Cable entry gland with rubber gasket for secure, sealed connection and vibration resistance
Technical Specification
Values taken from the original factory specification for this model. Fields the factory sheet does not state are left out rather than estimated.
| Part Number | SLL-83X |
|---|---|
| LED | 4 pcs x 3W CREE |
| Max Power | 15W |
| Beam Pattern | Spot, Flood, Combo |
| Colour Temperature | 6000K |
| Operating Voltage | 9–32V DC |
| Operating Temperature | -40 to +85 degrees Celsius |
| Waterproof Rating | IP68 |
| Lifespan | More than 50,000 hours |
| Housing Material | Die-cast aluminium |
| Lens Material | Polycarbonate |
| Coating | UV-resistant polyester powder coating |
| Protection | Overvoltage, Overheat |
| Cable Entry | Sealed gland with rubber gasket |
| Mounting | Side or top mount with standard bracket pattern |
Materials Used
- Die-cast aluminium housing with semi-gloss black UV-resistant polyester powder coating
- Anti-scratch, UV-protected polycarbonate lens
- Silicone rubber gasket and sealed cable entry gland
- Copper wire with PVC insulation for internal wiring
- Stainless steel mounting bolts and brackets
How This Lamp Is Built
Die casting of the aluminium housing and heat sink
Powder coating application with UV-resistant polyester finish
LED board assembly using 3W CREE emitters
Lens bonding with UV-resistant adhesive
Quality Control on This Model
- Photometric output verified in an integrating sphere for beam consistency
- Sealing tested under IP68 standards using water immersion and dust exposure
- Vibration test conducted on a vibration test machine to simulate off-road conditions
- High and low temperature alternating humidity test across the -40 to +85 degrees Celsius range
Customisation Options
- Spot, flood, or combo beam optics selected at time of order
- Deutsch connector or alternative cable length available on request
- Private label logo printed on the housing and carton
- Alternative mounting bracket pattern for specific machine integration
- Mixed cartons combining this light bar with other SUNLITEC models for trial orders
How It Compares With the Alternatives
| Low-power LED bar with 1W LEDs | Higher output and longer lifespan with 3W CREE LEDs, while drawing only 12W real power |
|---|---|
| Plastic-bodied light bar | Die-cast aluminium housing resists deformation and heat buildup under prolonged use |
| Non-IP68 sealed light bar | IP68 sealing prevents internal fogging and electrical failure in wet or dusty environments |
| Single beam light bar | Combo beam option provides both long-distance reach and wide-area coverage in one unit |
How to Fit and Use It
- Mount on a flat surface using the standard bracket pattern and ensure the mounting holes align with the machine’s frame
- Connect to a fused 15A circuit rated for 9–32V DC, with the cable entry pointing downward to prevent water ingress
- Use a drip loop in the cable to allow water to run off rather than into the gland
- Select beam pattern based on use: spot for distance, flood for area coverage, combo for mixed terrain
- Clean the polycarbonate lens with water and a soft cloth only—avoid solvents that may damage the anti-scratch coating
Questions About This Model
Can I order a sample before placing a bulk order
Yes. Sample orders are welcome and mixed samples of different models in one shipment are accepted.
What is the lead time
Sample orders normally take around 3 to 7 working days. Bulk lead time depends on the model and the quantity ordered.
Do you have a minimum order quantity
There is an MOQ for standard orders, but smaller orders are also accepted, which suits distributors testing a new model.
How is the lamp shipped
Samples usually go by DHL, UPS, FedEx or TNT in around 4 to 7 days. Bulk orders ship by air in about 7 to 15 days or by sea in about 15 to 30 days.
Will this light bar work on both 12V and 24V machines
Yes. The operating range is 9 to 32V DC, so the same part number can be fitted to 12V and 24V vehicles.
Can you supply the light bar with our own brand
Yes. OEM and ODM service is available, including a private label logo on the housing and printed cartons.
Is it approved for use on public roads
The light bar is CE and RoHS compliant and carries IP68 sealing, but road approval depends on local regulations and beam pattern used.
Get a Price on Offroad High Intensity CREE LED Light Bar
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