Worldwide Shipping
2n2766 Lock Nut for CAT 12G, 12H, 12H ES & more
- New Lock Nut Replacement suitable for Caterpillar Equipment
- Made to USA Specification
Buy with Confidence: All parts are covered by our warranty
Exact Fit Guarantee
This part is guaranteed to fit your machine.
Wrong Part?
We'll overnight correct part at no cost to you.
Description for 2N2766 Self-locking Nut
â–¶Specification for 2N2766 Self-locking Nut
â–¶Exact Fit Guarantee for 2N2766 Self-locking Nut
â–¶| Models | 120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 1693, 16G, 16H NA, 215B, 229D, 235, 235B, 235C, 245 |
|---|---|
| Dimensions | 0.59x0.59x0.20 |
-
Great affordable option for aftermarket parts
Found Propel Parts while looking for parts to repair a D6C dozer that has been sitting for 20 years. Great parts, great prices, fast shipping and excellent customer service. -
Customer Service.
I recently had to cancel an order with Propel Parts, and I was thoroughly impressed by the prompt and efficient service I received. Steven handled my request with professionalism and speed, ensuring a hassle-free process. I've purchased parts from Propel Parts before and have never been disappointed. Their consistent reliability and excellent customer service keep me coming back. -
Quick and efficient.
Great products and a great team to deal with. We had a small issue with a missing part and the Customer Services Team dealt with it quickly and efficiently and in a way which left me, the customer, feeling entirely satisfied. Would highly recommend. -
Excellant customer service!
The prices are very good! The customer service is excellant! I had to contact them because our tax info wasn't right and they refunded it on the spot! Great job! we will be doing a lot more ordering from thi company. Highly recommended! -
Buen servicio y atención
Frequently Asked Questions
What is the 2N2766 lock nut used for in Caterpillar equipment?
The 2N2766 lock nut is designed to secure bolts and fasteners in Caterpillar machinery, preventing them from loosening due to vibration or heavy operation. It ensures a reliable and stable connection in engines, structural assemblies, and mechanical systems, helping maintain overall equipment safety and performance.
Which Caterpillar machines use the 2N2766 lock nut?
The 2N2766 replacement is used in multiple Caterpillar engine and heavy equipment platforms. Because fitment varies across machine configurations, always verify the 2N2766 part number in your equipment manual or parts catalog before ordering. The Propel Parts team can also quickly confirm whether it\'s the right match for your machine.
Why is a lock nut like the 2N2766 important in heavy equipment?
Lock nuts provide extra security for bolted connections. The 2N2766 Caterpillar lock nut helps:
- Prevent fasteners from loosening under vibration or stress
- Maintain proper torque and clamping force
- Protect equipment components from movement-related damage
- Ensure the stability and reliability of critical assemblies
Using the correct lock nut is essential to prevent equipment failure and costly repairs.
Does the 2N2766 lock nut meet OEM performance standards?
The 2N2766 meets OEM performance standards and is built to handle the same demanding conditions as the original. Need help confirming compatibility? The Propel Parts team can help identify the correct fit for your application.
How do you install the 2N2766 lock nut correctly?
Proper installation ensures secure fastening and equipment safety. General installation steps include:
- Turn off the machine and ensure the work area is safe
- Thread the 2N2766 lock nut onto the bolt or stud
- Tighten to the manufacturer's recommended torque specification
- Ensure the nut is properly seated and locked in place
Always follow your service manual for detailed torque and installation instructions.
When should the 2N2766 lock nut be replaced?
The lock nut should be replaced if it shows signs of wear, rounding, thread damage, or corrosion. Replacing worn or damaged 2N2766 lock nuts during maintenance helps maintain secure bolted connections and prevents equipment failure in heavy-duty applications.
Can I use an aftermarket replacement for the 2N2766 Caterpillar lock nut?
Yes, and many equipment operators prefer them. Premium aftermarket 2N2766 parts manufactured to meet or exceed OEM specs deliver comparable performance to original parts, often at a lower cost, while maintaining proper system function.
This 2N2766 Self-locking Nut is compatible with the following models:
120G, 12G, 12H, 12H ES, 12H NA, 130G, 140B, 140G, 140H, 140H ES, 140H NA, 143H, 14G, 14H NA, 160G, 160H, 160H ES, 160H NA, 163H NA, 1673C, 1674, 1693, 16G, 16H NA, 215B, 229D, 235, 235B, 235C, 245 & more...
Shipping
We know equipment downtime costs money, so fast and reliable shipping is a priority at Propel Parts. Orders placed on weekdays before 3:00 PM ET typically ship the same day, with expedited delivery options available for many locations when time is critical.
We ship across the U.S., Canada, and over 130 countries worldwide, helping customers keep machines running wherever they operate. Available shipping methods and delivery estimates are shown at checkout so you can select the option that best fits your timeline.
Tracking information is emailed within 24–48 hours after your order is processed, giving you full visibility from dispatch to delivery and peace of mind that your parts are on the way.
Easy Returns
Our refund policy is simple. We offer a 30-day, no-hassle return policy, and we make every effort to provide the best service and highest-quality parts possible. If you’re not fully satisfied with your purchase, you may return it within 30 days for a refund. Full details are available on our Returns Policy page.
Warranty
Buy with confidence. All parts from Propel Parts are covered against material or manufacturer defects for 12 months from the original invoice date. We stand behind every part we sell, so you can count on reliable performance and dependable support. Full details are available on our Warranty Policy page.
Exact Fit Guarantee®
The right part — or we'll make it right.
Order Normally
Know your part number? Simply place your order.
Not Sure?
Place your order, then send us your serial number before it ships.
We'll verify fit.
We Make It Right
Wrong part? We'll make it right.Fast. At our expense.
1 YEAR UNLIMITED WARRANTY
ORDER BY 3PM EST. EXCL. WEEKEND
NO CORE OR EXCHANGE CHARGES
EASY RETURNS & FAST REFUNDS
