Send Message
Home ProductsExcavator Final Drive

312 312B Excavator Hydraulic Travel Motor Parts 145-7767

I appreciate the help from Paul, he's prefessional and knows exactly what parts I need. My CAT has gone back to work without any problem.

—— Raphael

Got the final drive and its beautiful I think. We've have it assembled in our Hitachi ZX330 excavator, my machines goes to work again now. Many thanks

—— Kevin

Fast shippment, the arrived parts is good quality, our engine is repaired and is perfectly running at maximum power. Thank you, god bless.

—— Mohammed

I'm Online Chat Now

312 312B Excavator Hydraulic Travel Motor Parts 145-7767

312 312B Excavator Hydraulic Travel Motor Parts 145-7767
312 312B Excavator Hydraulic Travel Motor Parts 145-7767

Large Image :  312 312B Excavator Hydraulic Travel Motor Parts 145-7767

Product Details:
Place of Origin: China
Brand Name: OEM
Model Number: 145-7767
Payment & Shipping Terms:
Minimum Order Quantity: 1 PCS
Price: Negotiable
Packaging Details: Wooden box for heavy parts, paper carton for light parts
Delivery Time: 7-10 working days
Payment Terms: D/P, T/T, Western Union, MoneyGram, D/A, L/C
Supply Ability: 100-2000
Detailed Product Description
Category: Excavator Track System Excavator Type: Crawler Excavator
Parts Number: 145-7767 1457767 Parts Name: Travel Reducer
Parts Type: Excavator Spare Parts, Construction Machinery Parts Warranty: 6 Months
High Light:

final drive parts


final drive

145-7767  1457767  312B final drive  312B travel gearbox  312B travel reduction   142-6825  1426825



  • 312 312B Excavator Hydraulic Travel Motor gearbox 145-7767 1457767




  • Description


The Final Drive reducer gearbox is the last component in the Power Train with undercarriage drive system, producing the final speed reduction and torque increase.

Attributes: Heavy Duty Final Drives are designed to be rebuilt and reused.The belowing following gear components are included in the final drive: sun gear, planetary gear, carrier, ring gear, hub, motor housing, needle bearing, roller bearing, seal.


The Caterpillar 312B is a hydraulic excavator model. The final drive in the Caterpillar 312B excavator is a critical component of its propulsion system. It is responsible for transmitting power from the hydraulic motor to the tracks, enabling the excavator to move and operate efficiently.


Here are some key features and details about the final drive in the Caterpillar 312B excavator:


Type: The final drive in the Caterpillar 312B is typically a planetary final drive. It consists of a hydraulic motor, planetary gear system, and a drive sprocket.


Hydraulic Motor: The hydraulic motor receives hydraulic pressure from the excavator's hydraulic system and converts it into mechanical rotational force.


Planetary Gear System: The planetary gear system is a set of gears that work together to increase torque and reduce speed. It provides the necessary power and control for the excavator's movement.


Drive Sprocket: The drive sprocket is connected to the final gear in the planetary gear system and engages with the excavator's tracks. It transfers power from the final drive to the tracks, enabling the excavator to move.


Durability and Performance: The final drive in the Caterpillar 312B is designed to withstand heavy loads and harsh working conditions. It provides reliable performance and durability for extended periods of operation.


If you are experiencing issues with the final drive in a Caterpillar 312B excavator, it is recommended to consult a qualified technician or contact Caterpillar directly for proper diagnosis and repair. They will be able to provide you with specific information and guidance related to the final drive in the Caterpillar 312B model.



  • Product Specifications
Parts Name Final Drive reduction gearbox
Application 312B 312 311B 311
Category Excavator Final Drive
Item Condition Unused, undamaged, brand new


312 312B Excavator Hydraulic Travel Motor Parts 145-7767 0



  •  Advantage


-We have 8 years of experience in excavator parts, We know exactly the customers' needs.


-we can supply either China made good quality aftermarket parts, or for genuine original parts, imported parts for Korea and Japan.



  •  Note


A. In order to give you fast and accurate pricing information, we need some details about your engine/Application and the part number of the part you want.


B. If you cannot find the parts you need, please contact us with details.



  • Warranty


1. Warranty Type:
We will replace the product that have quality problem.

2. Warranty Period:
Supply 3, 6, 12 months warranty for the products from the date of arrival. Customer should check the items according to the order list after arrival. Contact with us and offer the data, photos of the problem items.

3. You need to pay for the replacement charge for following condition:
* Wrong Order from customer.
* Natural Disasters cause the damage.
* Error installation.
* The machine and the parts work over time and over load.
* Lost by any condition.
* Human element destroyed.
* Corrode with rust during stock and running.
* Warranty Expired.

4. Others
They are the product easy to be rust away, please wrap them well. If there is any problem about the products, installation or maintenance, please contact with us any time. We 
reserve the rights of final interpretation.



  • Supply for other models


Undercarriage parts track chain, track shoe/pad, track roller, carrier roller, front idler, Sprocket, track recoil spring
Engine parts Engine assembly, cylinder block, cylinder head, gasket kit, liner kit, fuel pump, water pump, oil pump, fuel injector, Exhaust Intake manifold, Turbocharger
Hydraulic parts Hydraulic pump, Hydraulic motor, Main Control Valve, Hydraulic boom bucket stick cylinder
GET Parts Bucket, tooth, Breaker..
Filter Air filter, hydraulic filter, oil filter, fuel filter, pilot filter
Electric parts CPU Controller, wire harness, sensor, accel motor…
Gearbox system Final drive, swing gearbox, travel motor, swing motor, slewing bearing



312 312B Excavator Hydraulic Travel Motor Parts 145-7767 1




Contact Details
Guangzhou Anto Machinery Parts Co.,Ltd.

Contact Person: Mr. Paul

Tel: 0086-15920526889

Fax: +86-20-89855265

Send your inquiry directly to us (0 / 3000)