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Geith Auto-Klamp Mechanical Thumb (AK) Geith Auto-Klamp Mechanical Thumb (AK) Geith Auto-Klamp Mechanical Thumb (AK) Geith Auto-Klamp Mechanical Thumb (AK)
Geith Auto-Klamp Mechanical Thumb (AK) Geith Auto-Klamp Mechanical Thumb (AK) Geith Auto-Klamp Mechanical Thumb (AK) Geith Auto-Klamp Mechanical Thumb (AK)
Geith Auto-Klamp Mechanical Thumb (AK)
Elevate your job-site efficiency with Geith's Auto-Klamp Mechanical Thumb—a premium choice for the discerning professional. Designed with an innovative auto-slide system for fast thumb deployment, this mechanical marvel requires no additional hydraulics. Made from ultra-durable AR 400 steel, it offers quick installation and automatic storage, ensuring seamless operation and longevity.

🏆 High-Performance Equipment
⏳ Saves Hours Of Work
✅ In Stock Now

SKU: AK12L015
Weight: 787.0 lb
black check mark 30-day satisfaction guarantee
SHIPPING & RETURNS
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We offer FREE 2-5 day shipping (LTL Freight and Residential) for all orders over $5,000. Orders under that total will have shipping calculated at checkout. Products will ship out in 1-3 business days and tracking information will be provided.

30-DAY NO HASSLE REFUNDS AND RETURNS

If there's an issue with your product, we make refunds and returns quick and easy. To contact us, email sales@attachmentsking.com.

More info on refunds and returns here

FAQ
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REVIEWS
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CONTACT US
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Meets Our Quality Criteria
Meets Our Quality Criteria
Made in the U.S.A.
Made in the U.S.A.
Easy Financing Available
Easy Financing Available
Free Shipping Over $5,000
Free Shipping Over $5,000

F.A.Qs

Show me the specifications
Machine Weight (lb) Machine Weight (tons) Model Width (mm) Width (in) Weight (kg) Weight (lb) Base Plate Width (mm) Base Plate Width (in) Base Plate Length (mm) Base Plate Length (in) Retracted Clearance (mm) Retracted Clearance (in) Tip Radius (mm) Tip Radius (in) Rec. Bucket Tip Radius (mm) Rec. Bucket Tip Radius (in)
16,000 - 32,000 7.3 - 14.5 AK12-15A 381 15 334 735 180 7 1540 60.6 477 18.7 1057 41.6 1,007 - 1,132 39.6 - 44.6
16,000 - 32,000 7.3 - 14.5 AK12L015(QH) 381 15 357 787 180 7 1540 60.6 680 26.7 1363 53.6 1,313 - 1,438 51.7 - 56.6
32,000 - 38,000 14.5 - 17.2 AK16-30AS 457 18 471 1038 230 9 1918 75.5 519 20.4 1168 46 1,118 - 1,243 44.0 - 49.0
32,000 - 38,000 14.5 - 17.2 AK16L30A(QH) 610 24 606 1335 230 9 1918 75.5 635 25 1484 58.4 1,434 - 1,559 56.5 - 61.4
38,000 - 55,000 17.2 - 25.0 AK16-30B 457 18 542 1194 230 9 1918 75.5 592 23.3 1329 52.3 1,279 - 1,404 50.4 - 55.3
38,000 - 55,000 17.2 - 25.0 AK16-30C 610 24 607 1337 230 9 1918 75.5 592 23.3 1329 52.3 1,279 - 1,404  50.4 - 55.3 
38,000 - 55,000 17.2 - 25.0  AK16L30C(QH) 610 24 635 1399 230 9 1918 75.5 788 31 1606 53.2  1,556 - 1,681   61.3 - 66.2 
 55,000 - 62,000   25.0 - 28.1   AK16-30D  610 24 609 1343 230 9 1918 75.5 635 25 1484 58.4  1,434 - 1,559   56.5 - 61.4 
 55,000 - 62,000   25.0 - 28.1   AK16L30D(QH) 610 24 643 1418 230 9 1918 75.5 802 31.5 1772 69.7  1,722 - 1,847   67.8 - 72.7 
Product information brochures
Open PDF Geith_hydraulic_and_mechanical_thumbs
Will it fit my machine?

Yes! We confirm all machine-attachment compatibility before processing any orders, and will reach out to you directly to get any information we need in order to do so.

If you would like to confirm compatibility before placing an order, reach out to our team here and we'll be happy to confirm fitment. You can also call us at (302) 732-2804

Where is it made?

All of the Geith attachments we sell are manufactured in Atlanta, GA, USA.

How is my equipment shipped to me?

For items that require LTL Freight: We offer 3-5 day Shipping through an assortment of leading LTL Freight Carriers. If you require a Lift Gate or would prefer we ship to a commercial terminal, let us know and we'll be happy to accommodate you!

For items that can be shipped residential: We offer 3-7 day shipping through USPS, UPS, and FedEx.

What is your refund and return policy?

For products built-to-order:
We offer refunds and cancellations up until the point that manufacturing has begun on your order. Past that point, your order is no longer refundable.

For all other products:
We offer refunds and returns within 30 days of order delivery for unused equipment.

Learn more about our return and refund policies here.

What is the warranty policy?

Attachments King sells all products with a manufacturer warranty unless otherwise specified.

The directory of manufacturer warranties for our products can be found here

See it in action!

Over 60 Years Of Expertise

What we love about Geith is the consistently high level of performance their equipment puts out. And it makes sense - they've been doing this for over 60 years.

Attachments King is proud to partner with Geith and bring their high-performing attachments to operators nationwide. When you run your equipment hard, the last one standing is always a Geith.

View our Geith Collection

High-Strength Steel
High-Strength Steel
All components are 400 BHN or higher, ensuring extra strength and wear protection for the toughest jobs.
Maximizes Lifespan Increases Durability Thrives On Any Job
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All components are 400 BHN or higher, ensuring extra strength and wear protection for the toughest jobs.
Geith Prioritizes Heavy Duty Design
60 Years of Experience
60 Years of Experience
Over 60 years of design & engineering expertise in excavator attachments including a complete range of buckets & couplers.
Time-Tested Design Built For Real Work Improves Quality Of Life
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Over 60 years of design & engineering expertise in excavator attachments including a complete range of buckets & couplers.
Years of Real Field-Tested Feedback
Exceeds Safety Measures
Exceeds Safety Measures
Geith quick hitches meet and exceed current safety regulations thanks to patented pin-locking systems.
Guarantees Job Safety Reduces Costly Failures Minimizes Downtime
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Geith quick hitches meet and exceed current safety regulations thanks to patented pin-locking systems.
Safety Is Geith's #1 Priority
Large Stock Available
Large Stock Available
Thousands of Buckets & Couplers on the shelf waiting for your order!
Effortless Procurement Matches Exact Machine Ships Right Away
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Thousands of Buckets & Couplers on the shelf waiting for your order!
Manufactured & Shipped out of GA, USA
See What Our Operators Say About Our Products
Speak With One Of Our Experts Today

Speak With One Of Our Experts Today

Our attachment Experts are available and ready to help.

If you have any questions about our products, compatibility, or lead times, we welcome you to reach out to us through the form below.

We're here and happy to help -- it's what we do!

High-Quality Equipment
Nothing is more important to us than the quality of our products. Each of the manufacturers we work with have been vetted for quality, and we have personally visited manufacturing facilities to ensure high-quality production practices.
We Operate in the USA
Attachments King services the 48 contiguous united states with high-quality attachments, tracks, and tires. Our staff is entirely US-Based and our equipment ships directly out of warehouses on US soil.
Easy Refunds & Returns
If your equipment isn’t what you expected, we make refunds and returns quick and easy. Just email sales@attachmentsking.com and we’ll take care of you from there.
Full Refund Policy
Fast, Safe Shipping
Orders from Attachments King always ship with recognized LTL Freight Companies. We strive to ensure your equipment gets to you quickly, safely, and with no interruptions.
Full Shipping Details