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126-8156 SHAFT for CAT 777D/777G/777F

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.

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ItemSpecification
Product NameLeft Hand Axle Shaft
Part Number126-8156
BrandCaterpillar
Machine ModelCAT 777D / 777G / 777F
WeightApprox. 83 kg
MaterialBoron Steel, engineered for high strength, durability, and resistance to heavy-duty drivetrain loads.
ConditionBrand New – Genuine
Warranty6 Months
PackagingStandard Export Carton
AvailabilityGenerally in stock
OriginChina

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.