126-8156 Left Hand Axle Shaft is a heavy-duty drivetrain component designed for Caterpillar 777D, 777G, and 777F Off-Highway Trucks. It transfers power from the differential to the left drive wheel, allowing the truck to move forward and backward. Caterpillar specifies a hardened shaft design with 49 external spline teeth, a length of approximately 2,254.3 mm, and Boron Steel construction.
Boron Steel, engineered for high strength, durability, and resistance to heavy-duty drivetrain loads.
Condition
Brand New – Genuine
Warranty
6 Months
Packaging
Standard Export Carton
Availability
Generally in stock
Origin
China
Features & Benefits
Designed for CAT 777D, 777G, and 777F trucks
Left-hand axle shaft for heavy-duty drivetrain applications
Hardened shaft construction for demanding operating conditions
49 external spline teeth for reliable power transmission
Manufactured from durable Boron Steel
Approx. 2,254.3 mm shaft length
Designed to withstand high drivetrain loads and operating stress
Supports reliable power transfer from differential to drive wheel
Suitable for demanding mining and heavy earthmoving applications
A reliable axle shaft is essential for maintaining efficient power transmission and machine mobility. Choosing the correct 126-8156 Axle Shaft helps restore drivetrain performance and reduce unexpected equipment downtime.
Compatible Machine
The 126-8156 Left Hand Axle Shaft is compatible with Caterpillar equipment including:
CAT 777D Off-Highway Truck
CAT 777G Off-Highway Truck
CAT 777F Off-Highway Truck
Caterpillar’s official Parts Store also lists this part for 777E, 776D, and 777 applications. Compatibility may depend on the machine configuration and serial number.
If you are unsure whether 126-8156 is suitable for your equipment, please provide your machine model, serial number, or original part number. Our technical team can verify compatibility before shipment.
Applications
The 126-8156 Left Hand Axle Shaft is suitable for heavy equipment operating in demanding environments, including:
Mining
Quarry
Construction
Heavy Earthmoving
Large Infrastructure Projects
It is particularly suitable for large off-highway trucks working under heavy payloads, frequent drivetrain cycles, rough terrain, vibration, and demanding mining conditions.
Why Choose YLCM?
YLCM specializes in supplying construction and mining machinery parts to customers worldwide. We provide reliable sourcing, efficient order processing, and professional technical support to help customers maintain their equipment and reduce downtime.
We provide:
20+ Years Experience in construction machinery parts
Large Warehouse with a wide range of machinery components
Fast Delivery for urgent maintenance requirements
Genuine & OEM Parts from reliable supply channels
Export to 60+ Countries worldwide
Professional Technical Support before and after sales
Our product range covers axle shafts, drivetrain components, engine parts, hydraulic components, transmission parts, bearings, undercarriage parts, electrical components, filters, seals, cooling system parts, and other replacement components for Caterpillar and other major machinery brands.
Packaging
Every axle shaft is professionally packed to protect the component against impact, moisture, corrosion, and handling damage during international transportation.
Packaging options include:
Standard export carton
Heavy-duty wooden case when required
Shockproof protection
Moisture-proof protection
Rust-proof protection
Secure internal cushioning and fixation
Customized export packaging for bulk orders
For long and heavy shaft components, reinforced wooden packaging can be arranged according to product dimensions, weight, transportation conditions, and customer requirements.
Shipping
YLCM provides international logistics solutions according to the customer’s destination and order requirements.
Available shipping methods include:
Sea Freight
Railway Transportation
Land Transportation
Multimodal Logistics Solutions
We select the appropriate transportation solution according to order quantity, destination, delivery schedule, and customer requirements.
FAQ
Q1: What is 126-8156? A: 126-8156 is a Caterpillar Left Hand Axle Shaft with 49 external spline teeth. It transfers power from the differential to the left drive wheel.
Q2: Which Caterpillar machines use 126-8156? A: The primary listed applications include CAT 777D, 777G, and 777F. Caterpillar also lists applications including 777E, 776D, and 777.
Q3: How many spline teeth does this axle shaft have? A: The 126-8156 has 49 external spline teeth.
Q4: What material is 126-8156 made from? A: Caterpillar specifies Boron Steel for this axle shaft, providing the strength required for heavy-duty drivetrain applications.
Q5: What are the dimensions of 126-8156? A: Caterpillar lists a length of approximately 2,254.3 mm and an outside diameter of approximately 78.8 mm.
Q6: How can I confirm whether 126-8156 fits my truck? A: Please send us your machine model, serial number, or original part number. Our technical team can verify compatibility before shipment.
Q7: Does YLCM supply genuine and OEM axle shafts? A: Yes. YLCM supplies Genuine, OEM, and quality aftermarket parts according to customer requirements.
Q8: What shipping methods are available? A: YLCM provides sea freight, railway transportation, land transportation, and multimodal logistics solutions according to the destination and order requirements.
Request a Quote
Looking for the 126-8156 Left Hand Axle Shaft for CAT 777D/777G/777F?
Contact YLCM today to receive:
Latest quotation
Availability confirmation
Delivery lead time
Packaging details
Shipping solution
Part compatibility verification
Professional technical support
Please send us your part number, machine model, required quantity, and destination. Our experienced sales team will provide a competitive quotation and professional parts supply solution for your Caterpillar equipment.