Turn your Caterpillar 311 mini excavator into a ground-breaking powerhouse with our High Performance Ripper, engineered as a direct aftermarket attachment for CAT 311, 312, 313, and 314 series excavators. Designed to concentrate your machine’s full hydraulic force onto a single hardened tooth point, this ripper easily fractures hard-packed soil, frozen ground, weathered rock, tree roots, and even asphalt — making it an indispensable tool for demanding excavation and construction environments .

Key Specifications:

• Fitment:​ Caterpillar CAT 311, 312, 313, 314 series excavators (312 linkage compatible)
• Type:​ Single-tooth (single shank) heavy-duty ripper
• Weight:​ Approx. 418 lbs (190 kg)
• Pin Hole Diameter:​ 65 mm
• Pin Center Distance:​ 16 inches (406 mm)
• Ear-to-Ear Distance:​ 8.75 inches (222 mm)
• Overall Height:​ Up to 1300 mm (51″) for heavy-duty configurations
• Shank Thickness:​ 75 mm heavy-duty steel shank
• Tip:​ D6-size replaceable ripper tip with optional wear shroud
• Material:​ High-strength alloy steel (40CrNi2Ma / 30CrMnSi) — chromium, nickel, molybdenum alloyed for extreme temperature resistance up to +400°C
• Mounting:​ Quick and easy installation to excavator stick or quick coupler; can be modified to fit other machine models

Why Choose Our Cat 311 Ripper?

• Extra Thick Steel Shank:​ 75 mm reinforced shank with integrated reinforcing gussets distributes stress evenly, resisting bending and fracture even under continuous high-load operation .
• Replaceable Tooth & Wear Shroud:​ Standard D6-size tip can be quickly swapped when worn; optional wear shroud and added side wear protection significantly extend the ripper’s service life .
• High-Performance Alloy Steel:​ 40CrNi2Ma chromium-nickel-molybdenum alloy delivers exceptional crack and deformation resistance, withstanding temperatures from extreme cold to +400°C .
• Reduced Machine Stress:​ The ripper’s optimized geometry converts tractive force into concentrated breaking power, reducing excessive stress on your excavator’s hydraulic system and boom structure .
• Precision Fitment:​ 65 mm pin holes, 16″ pin center distance, and 8.75″ ear-to-ear spacing match CAT 311/312 “312 linkage” OEM dimensions for plug-and-play installation — no modifications required .
• Factory-Direct Value:​ Genuine-level build quality at a competitive aftermarket price. Custom branding, packaging, and OEM/ODM manufacturing available.

Applications:

Perfect for CAT 311 excavators operating in construction site preparation, road and highway building, land clearing, site development, surface mining, quarrying, frozen ground excavation, tree root removal, and demolition. Whether you’re breaking up compacted soil before trenching, ripping through weathered rock layers, or tearing out old asphalt, our ripper delivers the penetration power and durability your job demands .

Quality Assurance:

• ISO 9001 certified​ manufacturing with rigorous quality control
• Preheating weld process​ up to 250°C ensures crack-free, high-integrity welds on all alloy steel joints
• 100% pre-shipment inspection​ — dimensional accuracy, pin hole alignment, and tooth fitment verified before delivery
• Export-grade packaging​ for safe worldwide transport

Ordering & Support:

• MOQ:​ 1 piece (sample orders welcome)
• Lead Time:​ 5–10 days for in-stock items; 20–30 days for bulk/custom orders
• Payment:​ T/T, L/C, Western Union, PayPal
• Shipping:​ FOB Xiamen / Ningbo / Shanghai; worldwide delivery available
• Warranty:​ 12 months against manufacturing defects

Order Your High Performance Cat 311 Ripper Today!

Stop struggling with buckets that can’t penetrate, and skip the expensive hydraulic hammer. Add to cart now for a factory-direct quote, or contact our parts specialists. We respond to all inquiries within 24 hours and ship worldwide.