Husqvarna 506340556 16-Inch Chrome Wheel Guard Assembly – Genuine OEM Replacement Guard
Part Number: 506340556
Category: Power Cutter, Rail Saw & Cutting Blade Guard Components
Type: 16-Inch Chrome Blade/Wheel Guard Assembly – Genuine OEM Replacement Guard
The Husqvarna 506340556 16-Inch Chrome Wheel Guard Assembly is a genuine OEM replacement protective guard designed for select Husqvarna power cutters, concrete saws, and rail-cutting equipment.
Product Specifications
- Part Number: 506340556
- Manufacturer: Husqvarna
- Product Type: Blade / Wheel Guard Assembly
- OEM Description: Blade Guard – 16" Rail
- Alternate Description: Wheel Guard Assy 16 Chrome / 16-Inch Cutting Wheel Guard / Rail Saw Blade Guard
- Guard Size: 16 Inches
- Finish: Chrome
- Component Type: Cutting Equipment Safety / Protective Component
- Primary Application: Power Cutter / Concrete Saw / Rail Saw
- System: Cutting Blade / Wheel Assembly
- Function: Provides Protective Coverage Around the Applicable Cutting Blade
- Compatible Brand: Husqvarna
- Installation Location: Cutting Head / Blade Assembly
- Documented Application: 16-Inch Rail Cutting Configuration
- Associated Components: Blade / Flanges / Handle / Screen / Lining / Support Flange / Mounting Hardware
- Replacement Type: Direct OEM Replacement
- OEM Status: Genuine Husqvarna OEM Part
- Condition: New
- Quantity: 1 Guard Assembly
- Part Number Reference: 506340556
- Alternate Number Format: 506 34 05-56
- Supersedes / Replaces: 506340526
Husqvarna’s official K1260 Rail illustrated parts list identifies 506340556 as the 16-inch Rail blade guard and specifies a quantity of one.
Features & Benefits
- Genuine Husqvarna OEM replacement component
- Designed for compatible professional power cutters and rail saws
- Factory-designated 16-inch Rail blade guard
- Also identified as Wheel Guard Assy 16 Chrome
- Provides protective coverage around the cutting wheel
- Designed for demanding cutting applications
- Helps shield the surrounding area from cutting debris
- Supports the equipment's original blade-guard configuration
- Application-specific mounting geometry
- Designed to interface with corresponding OEM guard components
- Suitable for replacing bent, cracked, or damaged original guards
- Direct replacement for equipment specifying 506340556
- Replaces previous 506340526 applications where specified
- Genuine OEM protective component rather than an unspecified universal blade guard
Blade Guard Function
A power cutter operates with a high-speed abrasive or diamond cutting blade.
The blade guard is an important protective component positioned around part of this rotating cutting assembly.
Its functions include helping to:
- Provide a barrier around part of the rotating blade
- Limit exposure to the cutting wheel
- Help direct debris away from the operator
- Maintain the equipment's intended cutting-head configuration
- Support safe operation when correctly installed and adjusted
The equipment should not be operated with a missing, severely damaged, or incorrectly installed blade guard.
Official 16-Inch Rail Application
Husqvarna’s official parts documentation distinguishes between several guard configurations:
- 506340544 – 14-Inch Blade Guard
- 506340546 – 16-Inch Blade Guard
- 506340554 – 14-Inch Rail Blade Guard
- 506340556 – 16-Inch Rail Blade Guard
This distinction is important: 506340556 is specifically documented as the 16-inch Rail version.
Therefore, a standard 16-inch guard should not automatically be considered interchangeable with the 506340556 Rail guard.
Documented Husqvarna Applications
The 506340556 is associated with select Husqvarna professional cutting equipment, including applications within the:
- Husqvarna K1250
- Husqvarna K1250 Active
- Husqvarna K1250 Rail
- Husqvarna K1260
- Husqvarna K1260 Rail
- Husqvarna K1270
- Husqvarna K1270 Rail
Exact compatibility depends on the specific machine configuration and production revision. Husqvarna’s official K1260 Rail documentation directly confirms 506340556 as the 16-inch Rail blade guard.
Rail Cutting Application
Rail versions of Husqvarna power cutters are configured for specialized cutting applications.
The 506340556 is specifically identified for a 16-inch Rail setup, making it important to distinguish this component from guards intended for standard power-cutter configurations.
Rail cutting equipment can place significant demands on:
- Blade guards
- Cutting blades
- Blade flanges
- Bearings
- Drive components
- Mounting hardware
- Support assemblies
The correct guard should always be matched to the equipment's intended blade and cutting configuration.
Guard Assembly Components
Husqvarna's official K1260 Rail parts diagram shows 506340556 used with several associated components, including:
- 506266302 – Lining
- 503215320 – Screw
- 506344602 – Handle
- 506266401 – Screen
- 506266501 – Flange
- 505574116 – Screws
- 506324801 – Support Flange
- 506028701 / 506070901 – Flange Washers
- Applicable bushings and mounting hardware
Husqvarna notes that the blade guard includes certain associated reference components in the applicable assembly.
Always confirm exactly what is supplied with the replacement assembly before assuming every surrounding component is included.
16-Inch Cutting Blade Compatibility
The 506340556 is designed around a 16-inch cutting configuration.
Correct blade size is critical because the guard must provide appropriate coverage around the cutting wheel.
Do not use a blade larger than the size permitted by the equipment and guard configuration.
Incorrect blade sizing can result in:
- Insufficient blade coverage
- Blade-to-guard interference
- Improper cutting geometry
- Increased risk of equipment damage
- Unsafe operating conditions
Always follow the blade-size specifications for the exact power cutter configuration.
Guard Adjustment
Depending on the applicable machine, the blade guard may be positioned or adjusted to accommodate the cutting operation while maintaining appropriate coverage.
The guard should:
- Remain securely mounted
- Move only as intended by the equipment design
- Stay clear of the rotating blade
- Provide appropriate blade coverage
- Remain correctly positioned during cutting
A guard that moves unexpectedly or cannot remain securely positioned should be inspected before further use.
Common Reasons for Replacement
Replacement of the 506340556 16-Inch Guard Assembly may be appropriate if the original guard has:
- Become bent
- Cracked
- Sustained impact damage
- Become excessively worn
- Developed severe corrosion
- Become distorted
- Developed damaged mounting points
- Developed excessive mechanical play
- Been damaged by blade contact
- Become unable to remain securely positioned
- Developed damaged adjustment components
- Become unsuitable for continued safe operation
Because this component surrounds a high-speed cutting blade, structural damage should not be ignored.
Possible Signs of Guard Damage
Inspect the guard if you notice:
- Visible bending
- Cracks
- Blade rubbing against the guard
- Excessive guard vibration
- Loose mounting
- Difficulty positioning the guard
- Damaged mounting points
- Missing hardware
- Abnormal rattling
- Excessive corrosion
- Reduced blade clearance
Stop using the machine if the guard interferes with the rotating blade.
Blade Clearance
Proper clearance must exist between the cutting blade and guard.
Before operation, verify that:
- The blade rotates without contacting the guard
- The guard is not bent inward
- The correct blade diameter is installed
- The blade is correctly mounted
- The blade flanges are correctly positioned
- The guard mounting components are secure
Blade contact with the guard can indicate incorrect installation, guard deformation, blade damage, or another cutting-head problem.
Cutting Blade Inspection
Whenever replacing 506340556, inspect the cutting blade for:
- Cracks
- Chips
- Warping
- Excessive wear
- Damaged mounting bore
- Segment damage on applicable diamond blades
- Heat damage
- Incorrect size
Never continue operating with a structurally damaged cutting wheel.
Flange Inspection
The cutting blade is supported by applicable flange components.
Inspect them for:
- Excessive wear
- Cracks
- Distortion
- Corrosion
- Damaged mounting surfaces
- Contamination
- Improper fit
Official Husqvarna documentation shows flange and support-flange components within the same blade-guard/cutting assembly.
Mounting Hardware Inspection
Inspect all applicable guard hardware for:
- Loose fasteners
- Damaged threads
- Bent screws
- Missing washers
- Corrosion
- Damaged mounting holes
- Worn adjustment components
A replacement guard must be securely mounted before the machine is operated.
Installation Considerations
Before replacing 506340556:
- Shut down the power cutter completely.
- Allow the engine and cutting components to cool.
- Disconnect the spark plug where appropriate.
- Remove the cutting blade where required for guard service.
- Note the original guard orientation.
- Inspect the guard mounting system.
- Remove the damaged guard assembly.
- Inspect associated lining, handle, screen, flange, and support components.
- Position the new 506340556 16-Inch Guard Assembly correctly.
- Install all applicable mounting hardware.
- Verify that the guard is securely positioned.
- Reinstall the correct cutting blade.
- Verify proper blade-to-guard clearance.
- Rotate the cutting assembly manually where appropriate to check for interference.
- Confirm proper guard operation before starting the machine.
Important Notes
- Verify compatibility with your exact Husqvarna model, product number, serial number, and cutting configuration before ordering.
- Match part number 506340556 directly with the applicable official Husqvarna illustrated parts documentation.
- Husqvarna officially identifies 506340556 as a 16-inch Rail Blade Guard.
- The component is also identified as Wheel Guard Assy 16 Chrome.
- This is a power cutter / rail saw protective guard, not a lawn mower wheel guard.
- Do not confuse 506340556 with 506340546, which Husqvarna documents as a standard 16-inch blade guard.
- Do not confuse it with 506340554, the corresponding 14-inch Rail blade guard.
- 506340556 is documented as replacing 506340526 in applicable configurations.
- Do not select a replacement guard solely based on the 16-inch size.
- Standard and Rail guard configurations can differ.
- Use 506340556 as the primary fitment reference.
- Inspect the guard mounting system whenever replacing the assembly.
- Inspect the cutting blade for cracks or structural damage.
- Check blade flanges and mounting hardware.
- Make sure the blade rotates without contacting the guard.
- Never modify, cut, drill, bend, or remove sections of the guard to accommodate an incorrect blade.
- Do not operate the equipment without the appropriate blade guard installed.
- Do not install a cutting blade larger than permitted by the equipment's specifications.
- Verify that the guard remains securely positioned during operation.
- Replace severely bent, cracked, or structurally compromised guards rather than attempting to restore them through reshaping.
- Follow the applicable Husqvarna service and operating instructions when servicing cutting equipment.
- Wear appropriate PPE when operating or servicing power-cutting equipment.
- Prevent accidental engine starting before servicing the cutting head.
- This listing is for one Husqvarna 506340556 16-Inch Chrome Wheel/Blade Guard Assembly only unless otherwise specified. Cutting blade, flanges, bushings, mounting hardware, rail attachment components, and other associated parts are sold separately unless explicitly included.
- Match Husqvarna 506340556 with your equipment's OEM parts documentation before ordering to ensure proper fitment.
