CAT D9R Cutting Edge 9W-7044

Data For CAT D9R Cutting Edge 9W-7044

Item	Specification
Part Number	9W-7044
Application	CAT D9T / D9 / D9R / D9N / D9 GC / 9SU / 9U / 59N / 58 / 58L / 59L / 9
Position	Center
Material	Boron Steel
Overall Length	89.142 inches
Width	12.992 inches
Thickness	1.772 inches
Edge Type	Continuous
Edge Shape	Flat / Straight
Hole Quantity	15
Hole Size	1-inch plow bolt (28mm square)
Hole Spacing	6.0 inches center to center
End Hole Offset	2.571 inches
End 1 Shape	Straight
End 2 Shape	Straight
Wear Rating	Standard durability
Attachment Method	Bolt-On

Boron Steel Construction for Extreme Abrasion Resistance
The CAT D9R Cutting Edge 9W-7044 is manufactured from high-strength boron steel. This material delivers exceptional hardness and impact resistance for heavy dozing operations. The center blade measures 89.142 inches in length, 12.992 inches in width, and 1.772 inches in thickness. Additionally, the continuous straight edge ensures consistent material engagement. Consequently, it performs reliably in mining, quarrying, and large-scale earthmoving applications. The boron steel construction resists both abrasive wear and shock loads from rocky terrain. Therefore, this cutting edge maintains its structural integrity even under extreme conditions. The standard durability rating makes it suitable for general-purpose dozing. The 1.772-inch thickness provides substantial wear material, which extends service intervals significantly.

Simple Installation with Standard Hardware
Installing the CAT D9R Cutting Edge 9W-7044 is straightforward. Follow these steps for proper installation:

Clean the moldboard surface thoroughly before starting.
Align the center blade with the dozer moldboard, matching the 15 bolt holes.
Insert the 1-inch plow bolts (28mm square shank) with hardened washers.
Torque all nuts evenly in a crossing pattern to manufacturer specifications.

The bolt holes feature 6.0-inch spacing from center to center. The first hole sits 2.571 inches from each end. These measurements match CAT OEM specifications exactly. Therefore, no drilling or modification is required. For optimal performance, follow these maintenance tips:

Check bolt tightness after the first few hours of operation.
Inspect the blade regularly for uneven wear patterns.
Replace the edge when approximately 40% of the thickness remains.

Application Tips for Maximum Service Life
The CAT D9R Cutting Edge 9W-7044 performs best in these conditions:

Heavy earthmoving and bulk dozing.
Mining and quarry overburden removal.
Road construction and site preparation.
General-purpose dozing in rocky terrain.

To extend service life, follow these recommendations:

Rotate the blade periodically if the moldboard design allows it.
Monitor bolt torque regularly, especially after initial installation.
Clean the cutting edge after use to prevent material buildup.
Consider weld cladding for severe abrasion conditions.

The 12.992-inch width offers excellent coverage. Additionally, the 15-hole pattern ensures secure attachment. The continuous straight edge provides smooth material flow. When used correctly, this cutting edge delivers reliable performance across multiple work seasons. It is compatible with various CAT equipment including dozers, winches, rippers, and track-type tractors.