DeWalt 5140071-51 Planer Blade – Genuine OEM Replacement Thickness Planer Blade
Part Number: 5140071-51
Category: Power Tool Parts & Accessories → Thickness Planer Parts → Planer Blades
Type: DeWalt 5140071-51 Planer Blade – Genuine OEM Replacement Thickness Planer Blade
The DeWalt 5140071-51 Planer Blade is a genuine OEM replacement thickness planer blade designed for compatible DeWalt DW734 thickness planers. This precision-ground, disposable and reversible blade mounts to the cutter head and removes material from wood workpieces, producing smooth, accurate finishes with every pass. Manufactured to original equipment specifications, it provides a direct-fit replacement for dull, chipped, or damaged blades, helping restore the planer's original cutting performance. The blade is sold individually; compatible planers use three blades in the cutter head.
Key Features & Benefits
- Part Number: 5140071-51
- Genuine OEM DeWalt replacement part
- Replacement thickness planer blade
- Precision-ground cutting edge for smooth finishes
- Disposable, reversible blade design for extended service life
- Helps restore clean, accurate cuts
- Hardened steel construction
- Direct-fit OEM replacement
- Manufactured to original equipment specifications
Technical Specifications
Part Number: 5140071-51
Manufacturer: DeWalt
Product Type: Thickness Planer Blade
Blade Style: Disposable, Reversible
OEM Part: Yes
Application: Thickness Planer Cutter Head
Quantity: Sold individually (three blades required per planer)
Compatible Applications
The DeWalt 5140071-51 Planer Blade fits:
- DeWalt DW734 Thickness Planer (Type 1)
- DeWalt DW734 Thickness Planer (Type 20)
Always verify your planer model, type number, and original part number before ordering to ensure proper compatibility.
Function of the Planer Blade
The DeWalt 5140071-51 Planer Blade is a critical cutting component of the thickness planer. It helps to:
- Remove material evenly from wood surfaces
- Produce smooth, consistent finishes
- Maintain accurate board thickness
- Reduce tear-out and rough cutting
- Restore the planer's original cutting performance
Using genuine OEM replacement blades helps ensure proper fit, cutting accuracy, and dependable woodworking performance.
Common Signs Replacement Is Needed
Replace the planer blade if you notice:
- Dull cutting edges
- Chipped or nicked blades
- Rough or uneven surface finish
- Increased tear-out
- Excessive feed resistance
- Burn marks or poor cutting quality
Dull or damaged blades reduce cutting efficiency, place additional strain on the motor, and negatively affect the quality of finished workpieces.
Installation & Service Notes
Disconnect the planer from the power source before performing any maintenance.
Access the cutter head according to the manufacturer's service instructions and remove the existing 5140071-51 Planer Blade. Inspect the blade clamps, mounting screws, and cutter head for debris or damage before installing the replacement blade. If replacing one blade due to normal wear, it is recommended to replace or rotate all three blades at the same time to maintain balanced cutting performance. Tighten all hardware to the manufacturer's specifications and verify proper blade seating before returning the planer to service.
Important: Always verify your planer model, type number, and original part number before ordering. Use genuine OEM DeWalt replacement blades to ensure proper fit, optimum cutting performance, and long-term planer reliability.
Maintenance Recommendations
- Inspect the blades regularly for nicks and dullness.
- Rotate or replace all three blades together for consistent results.
- Keep the cutter head clean and free of pitch buildup.
- Avoid planing material containing nails, screws, or other foreign objects.
- Replace dull blades promptly to maintain finish quality and reduce motor strain.
- Use genuine OEM replacement parts to maintain factory fit, precision cutting performance, and long-term thickness planer reliability.
