+86 13801545720      Jinmis.wen@santoenergy.com
EnglishEnglish
Home / Products / Excavators, Loaders, Bulldozers And Spare Parts / CAT / 307-7342 CAT Final Drive Assembly of Rock Drilling Machine

PRODUCT CATEGORIES

loading

Share to:
facebook sharing button
twitter sharing button
line sharing button
wechat sharing button
linkedin sharing button
pinterest sharing button
whatsapp sharing button
kakao sharing button
snapchat sharing button
telegram sharing button
sharethis sharing button

307-7342 CAT Final Drive Assembly of Rock Drilling Machine

This Heavy-Duty Final Drive Assembly features a high-strength cast steel housing and alloy steel gears, manufactured via precision casting, machining, and finished with yellow spray-paint for corrosion resistance. It delivers exceptional impact resistance, wear resistance, and high-pressure sealing. As the core executive component of the travel drive system, it effectively resolves issues like power loss, noise, and leakage. As your distributor, we provide a highly compatible, ready-to-install assembly designed to restore peak performance and ensure continuous, efficient operation in demanding environments.
Availability:
  • 307-7342

  • CAT

  • 307-7342

Hello, Equipment Owners and Maintenance Chiefs! I am the supplier who specializes in solving problems like "sluggish travel," "single-side tracking," "grinding noises," and "slipping on inclines." Today, I’m recommending a "heavy iron assembly that looks bulky but acts as the 'final mile' executor of your machine's mobility"—the Heavy-Duty Final Drive Assembly for Construction Machinery.

Anyone operating excavators, dozers, or rotary drills knows that even if the hydraulic motor spins freely, power won't reach the ground without a reliable final drive. The final drive is the "bridge" connecting the motor to the sprocket, converting high-speed, low-torque rotation into low-speed, high-torque force. Many cheap final drives on the market look similar but use ordinary cast iron housings and gears machined from standard steel without carburizing or quenching. Under heavy loads or during bog-outs in mud, the housing cracks from vibration, and the gear teeth wear down or chip within days. Our Final Drive Assembly is specifically engineered for heavy-duty construction machinery. It doesn’t just rotate; it absorbs impact, resists wear, and seals tight against leaks. Choose us to equip your machine with "tendons of steel," ensuring it remains sure-footed and powerful in mines, swamps, and on steep grades.

Why You Must Use Our "Hardcore" Final Drive Assembly


  • Cast Steel Housing: Impact-Resistant, No Cracking:

    The final drive absorbs direct ground shocks; the housing must be tough.



    • Material: The housing is constructed from cast steel. This material offers excellent toughness and high strength with extreme impact resistance—unlike ordinary cast iron that becomes brittle under stress, especially in cold weather.



    • Process: Manufactured via precision casting and CNC machining. Internal ribs are reinforced, and wall thickness is uniform, enabling it to withstand massive torsional forces and ground impacts. Finished with a yellow spray-paint coating, it not only resists rust and weathering but also gives the machine a sharp, rugged appearance.



  • Alloy Steel Gears: Wear-Resistant, No Chipping:

    Gears are the core of power transmission; they must be built to last.



    • Material: The internal gear set is forged from premium alloy steel. This material provides high hardness, excellent toughness, and superior impact resistance.



    • Process: Gears undergo precision machining and heat treatment. The tooth surfaces achieve extreme hardness for maximum wear resistance, while the core retains toughness to absorb shocks. No matter how much you thrash it in a rock pile or start heavy loads on a steep grade, the gears may deform slightly but will never fracture or lose a tooth. Optimized tooth geometry ensures smooth transmission, low noise, and high efficiency.



  • High-Pressure Sealing: Eliminates "Internal" and "External" Leaks:

    A final drive's worst enemies are oil leaks and contaminant ingress.



    • Sealing: Features premium oil seals and gaskets. Shaft seals are abrasion-resistant and pressure-rated; mating surfaces are flat and sealed with anaerobic compound.



    • Performance: Ensures internal lubricants stay in, and external mud, water, and grit stay out—even under high-pressure conditions. This maintains optimal lubrication, extending the service life of internal bearings and gears.



  • Stable, Durable, Ready to Install:



    • Quality: We enforce strict production controls to ensure every assembly meets high industry standards. Expect stable performance and an extended service life—your guarantee for reliable operation.



    • Compatibility: Designed specifically for various heavy construction machinery. All mounting hole patterns, port sizes, and flanges are precisely matched. Install and use immediately—no drilling, shimming, or debugging required. It fits your equipment perfectly.


Core Product Parameters

Parameter

Specification

Product Name

Final Drive Assembly / Travel Reducer / Wheel Hub Reduction Gear

Housing Material

Cast Steel

Gear Material

Alloy Steel

Manufacturing Process

Precision Casting & CNC Machining

Surface Treatment

Yellow Spray-Paint

Key Properties

High Torque Output, Impact Resistant, Wear Resistant, Long Service Life

Compatible Equipment

Excavators, Bulldozers, Rotary Drills, and Other Heavy Machinery

Typical Application Scenarios


  • Mining Operations: Providing reliable low-speed, high-torque output on hard rock and rough terrain, handling heavy loads on steep grades.



  • Wetlands & Swamps: Delivering sufficient traction and torque in soft, muddy conditions to help machines recover from bog-downs.



  • Municipal Engineering: Ensuring smooth transmission and quick response in confined spaces and during frequent turning operations.



  • Equipment Overhaul: Replacing old, cracked, leaking, or internally worn final drives to restore travel performance.


The Distributor's Promise


  1. Exact Match, Ready to Ship: Just provide your equipment model, and we ship immediately. No need to measure bolt patterns or count teeth; hassle-free.



  2. Tough Housing, No Leaks: We guarantee our housing is tough, the gears are resilient, and the seals are effective. After installation, operation is powerful, temperatures stay low, and there are no leaks or chipped teeth. If issues arise, we replace it.



  3. Value for Money: We don't sell the cheapest, because those use brittle cast iron and soft steel gears that fail within months. We sell the most durable. Do the math: using our assembly adds thousands of service hours, saving you far more in repair and downtime costs than the initial price.


A Quick Tip for the Mechanics:

Brothers, installing this assembly is physically demanding and technical work.


  1. Safety First. The assembly is heavy. Always use lifting equipment (e.g., chain hoist, crane) or secure the machine with sturdy jacks and timbers. Never work under an unsupported machine.



  2. Clean Thoroughly. Clean oil, grease, and grit from the mounting surface before removal. Clean threads on hydraulic ports to prevent contaminants from entering the new assembly.



  3. Inspect Related Parts. While replacing the assembly, inspect the drive sprocket, track, and idler for wear. If the sprocket teeth are severely worn, a new assembly will wear out rapidly.



  4. Install Correctly. Align mounting holes carefully; never force-fit. Tighten bolts diagonally in stages for even pressure. Tighten fittings securely but avoid stripping threads.



  5. Bleed Air & Break-In. After installation, fill with the specified grade of gear oil. Start the machine and slowly operate the travel controls to bleed air. Run the machine under no-load or light-load conditions for a few hours to break in the new gears before full operation. Routinely check fluid levels and seals. Work safely and go home in one piece!



SANTO adopts innovative thinking to develop tailored technical solutions for different ore properties, providing domestic and international mining enterprises with integrated solutions covering drilling, shovel loading, transportation, and grinding processes.
Our technologies and products have been widely adopted by mining operations across China, Russia, Dubai, Indonesia, Vietnam, Myanmar, and other countries and regions worldwide.
We specialize in manufacturing and supplying a comprehensive range of mining and drilling equipment, including:
  • FEED BEAM

  • ROCK DRILL PARTS

  • AIR COMPRESSOR

  • PUMP

  • DTH DRILLING TOOLS

  • TOP HAMMER

  • PDC DRILL BITS

  • EXPLORATION (CORE DRILLING TOOLS)

  • ROTARY DRILLING TOOLS

  • RAISE DRILLING TOOLS

  • GEOTECHNICAL ENGINEERING TECHNOLOGY

  • HAND TOOLS

Our product range covers compatible parts and solutions for leading international brands, including Atlas Copco, CAT, Epiroc, Normet, Komatsu, Sandvik, Ingersoll Rand, and Cummins.
We are committed to delivering not only high-quality products but also reliable, worry-free services:
  • Customized Packaging Solutions:

    All products are protected with heavy-duty, shock-resistant packaging (including wooden crates, steel frames, and anti-corrosion wrapping) to ensure safe arrival even under long-distance and harsh transport conditions.

  • Flexible & Global Logistics:

    We support multiple shipping methods, including sea freight, air freight, and rail transport, and offer flexible terms such as FOB, CIF, and DAP to meet your delivery schedule and cost requirements.

  • Fast Lead Times & Order Support:

    With a large inventory of standard parts and efficient production scheduling, we can respond quickly to urgent orders while maintaining consistent quality.

  • After-Sales & Technical Support:

    Our dedicated team provides professional technical consultation, installation guidance, and after-sales service to help you maximize equipment performance and minimize downtime.

We have products, such as:

3217998510DIRECTION VALVE
9106973960CONTROLLER,ROTARY PROP.
2650349810TEE ADP
9106972243JOYSTICK
2657146045ENCODER, OPTICAL SHAFT
5580002338FILTER
2657646127CARRIAGE,SHEAVEASSEMBLY
5580004898CRADLE
2658607696MOTOR,M7,KEYED
303-7504Steering wheel
6J-1144BEARING
6E-3524pump
454-0277Stopper
541-8043Cylinder
9M-1328BEARING
307-7342Final drive assembly
9W4493blade
2459951track roller
1926445hydraulic cylinder
001021-004Bushing
001022-001Shaft
001110-008Seal oil
007947-054KIT SEAL
013487-001Valve
022893-001SWITCH, TEMPERATURE
034562-051O-RING ADJUSTING SCREW
007947-073sw comp oil filter bypass 30 psi
001479-058GAUGE
001022-056YOKE, Shaft


Q:What is your terms of packing?
A:Generally, we pack our goods in neutral white boxes and brown cartons. If you have legaly registered patent ,we can pack the goods inyour branded boxes after getting your authorization letters.


Q:What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We will show you the photos of the products and packages before you pay the balance.

Q: What is your terms of delivery?

A: EXW, FOB, CFR, CIF, DDU, FCA.


Q:How about your delivery time?
A: Generally. it wlltake 5 to 12 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.


Q:Can you guarantee that the goods are original?

A:Yes, we fully guarantee that the goods are original and you can inspect them carefully when they arrive at your address.


Q:Do you test all your goods before delivery?
A:Yes, we have 100% test before delivery.
Q:How do you make our business long-term and good relationship?

1. We keep good quality and competitive price to ensure our customers benefit ;

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.


详情页1详情页2详情页3详情页4详情页5

Previous: 
Next: 
Contact Us
Leave a Message
Get A Quick Quote

Quick Link

Products

Contact Us

Jinmis.wen@santoenergy.com
+86-13801545720
 +86-025-82220130
 No. 520 Brick Wall Economic Park, Gaochun District, Nanjing, China
Copyright © 2026 JIANGSU SANTO NEW ENERGY CO.,LTD. All Rights Reserved.