Caterpillar Teeth Guide: Types Part Numbers Buying Tips

What Are Caterpillar Teeth?

Caterpillar teeth, also known as bucket teeth or ground engaging tools (GET), are wear-resistant components mounted on excavator buckets, loader buckets, and other heavy equipment attachments. These replaceable cutting edges are designed to penetrate soil, rock, and other materials, protecting the bucket lip from premature wear while improving digging efficiency.

Whether you operate a CAT 320 excavator, a 950 loader, or any other Caterpillar machine, choosing the right teeth system is critical for productivity and operating costs. This comprehensive guide covers everything from tooth types and part numbers to top product recommendations and installation tips.

Top Caterpillar Bucket Teeth Recommendations on Amazon

After evaluating dozens of aftermarket bucket teeth available online, here are our top picks — all compatible with Caterpillar machines and backed by strong customer reviews:

Product	Tooth Series	Pieces	Best For	Rating	Link
Digger Supply J300 Set with Pins & Retainers	J300	8	CAT 315-322 excavators, 950 loaders	4.6/5	Check Price
BDI J200 5-Pack with Pins & Retainers	J200	5	CAT 307-312, backhoes 416-436	5.0/5	Check Price
7-Pack J250 with Pins & Retainers	J250	7	CAT 311-320, 930-953 loaders	3.8/5	Check Price
Hicarer X156 5-Set with Pins	X156 (Hensley)	5	Skid steers, mini excavators	4.5/5	Check Price
BDI X156WT Twin Tiger 5-Pack	X156WT	5	Heavy-duty mini excavator rock work	4.8/5	Check Price

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Caterpillar Tooth Systems and Series

Caterpillar offers several tooth systems designed for different machine sizes and applications:

Series	Machine Class	Applications	Common Models
J200	Compact to Small Excavators	General digging, trenching	CAT 306 to 312, 416-436 backhoes
J225	Small Excavators	Light digging, landscaping	CAT 446, 933
J250	Small to Medium Excavators	General excavation, utility work	CAT 311 to 320, 930-953
J300	Medium Excavators	Heavy digging, production work	CAT 315 to 322, 950-966 loaders
J350/J400	Medium to Large Excavators	Quarry, heavy rock	CAT 320 to 345
K-Series	Large Excavators	Severe applications, mining	CAT 345 to 374
Advansys	Very Large Excavators	Mining, extreme conditions	CAT 374 to 6090

How to Choose the Right Caterpillar Teeth for Your Machine

Step 1: Identify Your Machine and Tooth Series

Check your machine’s data plate for the model number. Each Caterpillar excavator and loader is designed for a specific tooth series:

• Mini Excavators (CAT 301-305): Use X156 or Bobcat-style teeth. The Hicarer X156 5-Set is a popular choice with 64+ reviews.
• Small Excavators (CAT 306-314): Use J200 series teeth. The BDI J200 5-Pack fits most CAT 307-312 models.
• Medium Excavators (CAT 315-330): Use J250 or J300 series. The Digger Supply J300 8-Set covers CAT 315-322.
• Large Excavators (CAT 336-374): Use J350, J400, or K-Series teeth.
• Wheel Loaders (CAT 950-966): Use J300 teeth — same as medium excavators.

Step 2: Match Tooth Profile to Application

Application	Recommended Tooth Profile	Why
General digging (dirt, clay)	Standard Long (1U3302 type)	Best penetration and self-sharpening
Rock and abrasive materials	Rock Chisel (RC) or Heavy Duty	Maximum wear resistance and impact strength
Trenching and finishing	Flare or Wide profile	Cleaner trench bottom, less bucket wear
Compacted or frozen ground	Twin Tiger (WT)	Aggressive twin-tip for maximum penetration
Mixed conditions	General Purpose Short	Versatile all-round performance

Step 3: Measure Before Ordering

1. Pin diameter: J200 uses 11mm pins, J250/J300 uses 14mm, J350 uses 19mm. Check with calipers.
2. Retention system: Side-pin (J-Series) vs vertical pin (K-Series) vs hammerless (CapSure).
3. Adapter condition: Replace adapters if worn beyond 30% before mounting new teeth.
4. Tooth pocket width: Measure adapter nose width to confirm tooth fit.

Caterpillar Teeth Part Numbers by Type

• J200 Series: Part numbers 1U-3202, 8E6208 pin, 8E6209 retainer. For CAT 307-312, 416-436 backhoes.
• J225 Series: Part numbers 6Y-3222 (long), 6Y-3222RC (rock chisel). For CAT 446, 933.
• J250 Series: Part numbers 1U-3252, 8E6258 pin, 8E6259 retainer. For CAT 311-320, 930-953.
• J300 Series: Part numbers 1U-3302, 9J2308 pin, 8E6259 retainer. For CAT 315-322, 950-966.
• J350/J400 Series: Part numbers 9W-8452, 4T-3318. For CAT 320-345.
• K-Series: Part numbers 6Y-2522, 6Y-3228. For CAT 345-374.
• Twin Tiger Teeth: Part numbers 1U-3252WTL, 1U-3302WTL. For compacted materials.
• Flare Teeth: Part numbers 3G-8250, 1U-3202F. For ditch cleaning and finishing.

Genuine CAT Teeth vs Aftermarket Alternatives

Genuine Caterpillar Teeth

• Manufactured to exact CAT specifications with proprietary heat treatment
• Full warranty coverage and consistent quality control
• Higher upfront cost ($30-$200+ per tooth) but often longer service life

Aftermarket Teeth

• Typically 30-50% lower cost — complete 5-8 tooth sets for $66-$130 on Amazon
• Top-rated Amazon brands: Digger Supply (4.6/5), BDI (4.7-5.0/5), H&L Tooth Company (4.4/5), Hicarer (4.5/5)
• Look for alloy steel construction, HRC 48-52 hardness, and included pins/retainers

Installation Guide: Replacing Bucket Teeth

Tools Required

• Hammer or dead blow mallet
• Punch and drift set
• Wire brush
• Safety glasses and gloves
• Anti-seize compound

Step-by-Step Process

1. Park machine on level ground and lower the bucket for safe access
2. Clean tooth area with a wire brush
3. Remove retaining pin or lock mechanism
4. Slide worn tooth off the adapter nose
5. Inspect adapter for wear; replace if beyond 30% limit
6. Apply anti-seize compound to adapter nose
7. Slide new tooth onto adapter until fully seated
8. Insert new retaining pin and secure per specifications

Maintenance Tips for Extended Tooth Life

• Rotate teeth regularly: Swap outside to inside positions to even out wear patterns
• Replace at 70% wear: Worn teeth damage expensive adapters and bucket lip
• Check retention pins daily: Loose pins accelerate wear and risk tooth loss
• Match tooth type to application: General purpose teeth in rock can double wear rates
• Keep spare teeth on site: Stock 2-3 spare teeth and pin kits to minimize downtime

Price Guide: What to Expect

Machine Size	Tooth Series	Per Tooth (Aftermarket)	Complete Set (5-8)	OEM Genuine CAT
Skid Steer / Mini Excavator	X156, 23 Series	$10-$20	$50-$100	$25-$40/tooth
Small Excavator (CAT 307-312)	J200	$13-$18	$65-$90	$30-$50/tooth
Medium Excavator (CAT 315-322)	J300	$10-$15	$80-$130	$40-$70/tooth
Large Excavator (CAT 336-349)	J350/J400	$20-$35	$140-$250	$60-$120/tooth
Heavy Excavator (CAT 374+)	K-Series	$40-$80	$300-$600	$100-$200/tooth

For most owner-operators and small fleets, high-rated aftermarket teeth from Amazon offer the best value — delivering 80-90% of OEM lifespan at 40-60% of the cost.

Frequently Asked Questions

How often should I replace Caterpillar teeth?

Tooth life varies from 200 to 1,000+ operating hours depending on material type and operator technique. In abrasive sand or rock, expect 200-400 hours. In soft dirt and clay, teeth can last 800-1,200 hours. Inspect weekly and replace at 70% wear.

Can I mix genuine CAT teeth with aftermarket?

Yes, most aftermarket teeth fit original CAT adapters. Always verify pin size compatibility (J200=11mm, J250/J300=14mm, J350=19mm) before mixing brands.

What are the best aftermarket bucket teeth brands on Amazon?

Top-rated brands: Digger Supply (4.6/5), BDI Wear Parts (4.7-5.0/5), H&L Tooth Company (4.4/5), and Hicarer (4.5/5, 64+ reviews on X156). All include pins and retainers.

What is the cost of Caterpillar bucket teeth?

Aftermarket: $10-$80 per tooth depending on size. Complete sets on Amazon: $66-$130 for small-to-medium excavators. Genuine CAT OEM: $200-$600+ per complete set.

Where can I buy Caterpillar teeth online?

Amazon carries the widest selection of aftermarket bucket teeth with fast Prime shipping. See our comparison table above for top-rated options. For genuine CAT teeth, visit the CAT Parts Store or an authorized dealer.