4.3 Inch 45W Square Heavy Equipment LED Lights SLL-4345-45W
The SLL-4345-45W is a 4.3 inch square LED work light designed for heavy machinery operating in harsh conditions where visibility, durability and consistent performance are critical. Nine 5W CREE LEDs deliver 3,150 effective lumens in a spot beam pattern, providing focused illumination for tasks like digging, lifting and loading under low light. The die-cast aluminium housing is rated IP69K, making it resistant to high-pressure water jets, dust, and shock, which is essential for equipment exposed to washdowns, mud, and vibration. The 9-32V DC input range allows use across 12V and 24V systems without changing part numbers.
- 9 pcs x 5W CREE LEDs deliver 3,150 effective lumens in a spot beam for long-distance visibility on excavators and cranes
- IP69K rating ensures protection against high-pressure water jets, dust, and shock during daily washdowns
- Die-cast aluminium housing resists deformation and dissipates heat effectively under continuous operation
- 9-32V DC input range supports both 12V and 24V vehicle systems, reducing SKU complexity for fleet operators
- 50,000 hour rated lifetime reduces replacement frequency on machines running 24/7 shifts
Where This Lamp Is Used
- Front and side lighting on excavators and loaders working in night shifts or underground tunnels
- Auxiliary lighting on cranes and engineering vehicles where a focused beam improves precision during lifting
- Cab and boom lighting on mining machinery exposed to dust, mud and frequent high-pressure washdowns
- Loading and unloading operations on tipper trucks and container handlers requiring long-range visibility
- Mounting on forklifts and service vehicles where vibration and moisture degrade standard sealed lamps
Who It Is For
- Machinery OEMs integrating work lights into production line builds with consistent mounting patterns
- Fleet operators replacing halogen lights that fail under vibration and draw excessive current
- Distributors sourcing a single model for both 12V and 24V applications to reduce inventory
- 4x4 and industrial accessory brands developing a private label work light range with high output
- Equipment dealers fitting lights on machines used in mining, agriculture, and construction
Problems It Solves
- Halogen work lights burn out quickly under vibration and draw more current than LED alternatives
- Narrow beam lamps leave the immediate work zone dark, increasing risk during close-up tasks
- Inconsistent voltage input across 12V and 24V fleets forces buyers to stock multiple SKUs
- Painted or thin metal housings warp or corrode after repeated exposure to water and dust
Technical Features
- Nine CREE 5W LEDs with a real power draw of 45W and a maximum rating of 45W
- Semi-gloss black powder coating over the full housing and bracket
- IP69K sealing tested against high-pressure water jets and dust ingress
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-4345-45W |
|---|---|
| Max Power | 45W |
| Real Power | 45W |
| LED | 9 pcs x 5W CREE |
| Beam Pattern | Spot |
| Operating Voltage | 9-32V DC |
| Lens Material | Anti-scratch PC |
| Waterproof Rating | IP69K |
| Certification | CE, RoHS |
Materials Used
- Anti-scratch UV resistant polycarbonate lens
- Silicone rubber gasket and sealed cable entry gland
- Semi-gloss black powder coating
How This Lamp Is Built
Die casting of the aluminium housing and heat sink
Powder coating in semi-gloss black
LED board assembly with CREE emitters
Lens bonding and gasket sealing
Quality Control on This Model
- Photometric output verified in an integrating sphere
- Sealing verified against the IP69K rating before shipment
- Vibration testing on a vibration test machine to reproduce machine mounted service
- Salt spray corrosion testing on housing coating and stainless bracket
Customisation Options
- Flood beam optics in place of the spot pattern
- Private label logo on the housing and printed carton
- Alternative cable length for a specific machine harness
- Mixed cartons combining this lamp with other SUNLITEC models for trial orders
How It Compares With the Alternatives
| Round 4.3 inch work lamp | The square body puts more LED area behind the same mounting footprint but needs a flat surface for the bottom bracket |
|---|---|
| Flood beam version of the same lamp | Spot reaches further ahead for distance tasks while flood covers a wider area but with less reach |
| Larger 5 inch work lamp | Lower output but fits tight spaces where a 5 inch body will not clear |
How to Fit and Use It
- Aim the spot beam at the working area ahead of the machine and use a flood lamp separately for near-field coverage
- Clean the PC lens with water and a soft cloth only, since solvents will haze 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 lamp 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 lamp 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 road going machines
The lamp is CE and RoHS compliant, but ECE R10 approval is not listed for this model.
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