Product Specifications – CAT 988K Loader Cutting Edge 4T-6617
| Parameter | Specification |
|---|---|
| Part Number | 4T-6617 |
| Application | CAT 988 / 988B / 988F II / 988G / 988H / 988K / 988K XE / 988 XE |
| Position | Bottom |
| Shape | Beveled (straight) |
| Material | Boron Steel |
| Length | 54.181 inches |
| Width | 12.992 inches |
| Thickness | 0.866 inches |
| Hole Quantity | 9 |
| Installation | Bolt-on |
Boron Steel Construction for Superior Impact Resistance
The CAT 988K Loader Cutting Edge 4T-6617 is manufactured from high-strength boron steel, a material specifically chosen for its exceptional combination of hardness and fracture toughness. This metallurgical composition allows the 0.866-inch thick blade to withstand the extreme forces generated during aggressive digging and bucket penetration in mining overburden, shot rock, and compacted gravel. The beveled bottom design reduces friction during material entry, enhancing loader efficiency and reducing fuel consumption. With a width of 12.992 inches and length of 54.181 inches, this straight cutting edge provides substantial surface area for consistent bucket protection while maintaining the structural integrity required for high-impact loading cycles. The through-hardened boron steel construction resists deformation and cracking, even when encountering hidden boulders or frozen material.
Versatile Compatibility Across CAT Wheel Loader Models
This CAT 988K Loader Cutting Edge 4T-6617 features 9 precisely spaced mounting holes for secure bolt-on attachment, matching OEM specifications exactly. Beyond the 988K, this bottom cutting edge is compatible with an extensive range of CAT wheel loader models including the 988, 988B, 988F II, 988G, 988H, and the 988K XE as well as 988 XE. Installation is straightforward using standard heavy-duty plow bolts, requiring no modification to existing buckets. The versatile fitment makes this 4T-6617 cutting edge a practical stocking choice for maintenance teams servicing mixed CAT wheel loader fleets.
F.A.Q About CAT 4T-6617 Loader Cutting Edge
Q: What material is this cutting edge made from?
A: High-strength boron steel for exceptional impact and wear resistance.
Q: What are the exact dimensions?
A: 54.181 inches (length) × 12.992 inches (width) × 0.866 inches (thickness).
Q: How many bolt holes does it have?
A: 9 mounting holes for standard loader plow bolts.
Q: What is the edge profile?
A: Straight beveled bottom design for smooth material penetration.
Q: Which CAT loader models are compatible?
A: 988, 988B, 988F II, 988G, 988H, 988K, 988K XE, and 988 XE.
Q: Is this a universal or model-specific part?
A: Designed for CAT 988 series buckets with corresponding bolt patterns.
Q: What is the recommended bolt size?
A: Standard CAT loader plow bolts matching the 9-hole pattern.
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