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9N4621
| Item | Specification |
|---|---|
| Part Number | 9N-4621 (or 9N4621) |
| Product Name | Pin-On Shank Protector |
| Product Type | Ripper Shank Wear Protection / Ground Engaging Tool (GET) |
| Compatible Machine Models | Caterpillar D11N, D11R, D11T Track-Type Tractor; 374F L, 374D L Excavator |
| Shank Thickness | 110 mm (4.331 inches) |
| Ripper Tip Size | R550 |
| Attachment Method | Pin-On |
| Distance Between Retainer Holes | 4.64 inches |
| Hole Spacing | 23.335 inches |
| Single Weight | 80 kgs (176.4 lbs) |
| Material | High-strength, abrasion-resistant alloy steel |
| Application | Protects the ripper shank from excessive wear during heavy-duty ripping operations |
| Industry Focus | Mining, Heavy Construction, Quarrying, Land Clearing |
Caterpillar 9N-4621 shank protector
D11R pin-on shank protector
D11T ripper shank guard
9N4621 GET component
110mm shank protector for CAT D11
80 kg ripper shank protector
R550 ripper tip protector
374F L shank protector
Caterpillar dozer ripper wear parts
The Caterpillar 9N-4621 Pin-On Shank Protector is a genuine OEM-specification ground engaging tool designed for Caterpillar D11N, D11R, and D11T track-type tractors, as well as 374F L and 374D L excavators. This shank protector attaches to the ripper shank to shield it from severe abrasion and wear during heavy-duty ripping operations in hard rock and abrasive materials.
The 110mm (4.331 inch) shank thickness specification makes this protector compatible with R550 ripper tips. The pin-on attachment method provides secure installation and easy field replacement. Manufactured from high-strength, abrasion-resistant alloy steel, this protector extends the service life of the expensive ripper shank.
| Feature | Benefit |
|---|---|
| Pin-On Attachment | Secure installation and easy field replacement |
| 110mm Shank Compatibility | Designed for 110mm thick ripper shanks with R550 tips |
| High-Strength Alloy Steel | Superior durability and wear resistance |
| Heavy-Duty Construction (80 kg) | Robust build for demanding ripping applications |
| Multi-Model Compatibility | Fits D11 series dozers and 374 series excavators |
| Direct OEM Replacement | Guaranteed fit and performance |
| Extended Shank Life | Protects critical shank from premature wear |
| Machine Model | Type | Application |
|---|---|---|
| D11N, D11R, D11T | Track-Type Tractor | Mining, heavy ripping, quarrying |
| 374F L, 374D L | Excavator | Mining, heavy excavation, ripping |
| Parameter | Value |
|---|---|
| Shank Thickness | 110 mm (4.331 in) |
| Ripper Tip Size | R550 |
| Attachment Method | Pin-On |
| Distance Between Retainer Holes | 4.64 in |
| Hole Spacing | 23.335 in |
| Weight | 80 kg |
| Component | Description |
|---|---|
| Ripper Shank | 110mm thick shank |
| Ripper Tip | R550 series tip |
| Retaining Pins | Secures protector to shank |
Compatibility: Use only with 110mm ripper shanks and R550 tips
Pin-On Attachment: Follow Caterpillar OEM specifications for pin installation
Lifting Note: At 80 kg, proper lifting techniques and mechanical assistance are recommended
Regular Inspection: Check protector for wear and damage during routine maintenance
Replacement: Replace when worn beyond OEM specifications to protect the shank
| Condition | Action |
|---|---|
| New protector - full profile | Normal operation |
| Moderate wear | Monitor regularly |
| Excessive wear (thinning) | Replace protector |
| Broken or cracked protector | Replace immediately |
| Loose attachment | Replace pins or retighten |
| Item | Detail |
|---|---|
| Part Number | 9N-4621 / 9N4621 |
| Type | Pin-On Shank Protector |
| Shank Thickness | 110 mm |
| Weight | 80 kg per piece |
| Compatibility | CAT D11N, D11R, D11T, 374F L, 374D L |
| Packaging | Individual crate |
Note: This is a pin-on shank protector for Caterpillar D11 series dozers and 374 series excavators with 110mm shanks and R550 ripper tips. Verify machine model, shank thickness, and ripper configuration before ordering. Due to weight (80 kg), proper lifting techniques and mechanical assistance are recommended during installation. Regular inspection of shank protectors is essential for optimal ripping performance and to protect the shank from premature wear.
