Excavator Parts

Original NEW Final Drive TM50 Travel Motor Assy Device Used s280 s290

A new final drive TM50 travel motor assembly designed for excavator models including PC20 to PC400 series, S280, S290, and various JCB, Hitachi, Komatsu, and Volvo excavator variants. Built with a rated displacement of 50cc/r, maximum torque of 100Nm to 2000Nm, and operating speed from 100 to 1000 r/min. The unit is manufactured in Jining, Shandong, China, and is compatible with Danfoss and Eaton (Char-Lynn) series replacements. It is supplied as a complete assembly with black finish and weighs 430kg.

Origin JiningShandongChina
Color black
Delivery byship,airorexpress
Application OriginalNEW
Weight 430kg

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Stock number held for this listing: 10643

Black final drive TM50 travel motor assembly mounted on a steel stand, front view showing gear housing and mounting flanges

Key Benefits

What This Unit Does Well

Direct fit for PC20 to PC400 series and S280/S290 excavators, reducing downtime during repair
Rated torque up to 2000Nm supports heavy-duty digging and continuous operation
50cc/r displacement offers balanced performance for medium to large excavators
Black finish provides corrosion resistance in harsh construction environments
Manufactured with imported European CNC machining centers for dimensional consistency
Compatible with Danfoss and Eaton (Char-Lynn) series, enabling direct substitution without chassis modification

Application Scenarios

Where It Is Used

Repairing a PC200-7 excavator with a failed final drive on a remote mining site where OEM parts are delayed
Rebuilding a S290 excavator after a hydraulic system failure during a road construction project
Replacing a worn TM50 unit in a PC400-5 used in a quarry operation with high cycle demands
Maintaining a fleet of excavators across Southeast Asia where spare parts availability is inconsistent

Fit

Who It Is For

Fleet maintenance teams managing excavators in mining, quarrying, or civil engineering projects
Contractors needing fast replacement parts for excavators with limited downtime windows
Parts distributors stocking critical hydraulic components for excavator repair networks
Engineering procurement teams sourcing reliable replacements for discontinued OEM parts

Buyer Pain

Problems It Solves

Long lead times for original OEM final drives from Japan or Europe
High cost of genuine Danfoss or Eaton units with no local service support
Inconsistent fitment when using third-party substitutes with mismatched torque or displacement
Lack of spare parts availability in remote or emerging markets
Uncertainty over part compatibility when replacing a TM50 in a mixed fleet of excavator models

Engineering

Technical Features

Final drive TM50 travel motor assembly with integrated gear and hydraulic system
Rated displacement: 50cc/r, maximum torque: 100Nm to 2000Nm, rotation speed: 100 to 1000 r/min
Black painted finish for corrosion resistance and visibility of wear
Manufactured using imported European CNC machining centers and forming grinders
Designed for use in PC20 to PC400 series, S280, S290, and equivalent excavator models
Complete assembly with no need for field modification or reassembly

Specification

Specification Table for This Listing

Taken from the supplier specification we hold. Anything not listed here is confirmed in writing before order rather than assumed.

Specification of Original NEW Final Drive TM50 Travel Motor Assy Device Used s280 s290
Origin	JiningShandongChina
Color	black
Delivery	byship,airorexpress
Application	OriginalNEW
Weight	430kg
Part Name	Final Drive TM50 Travel Motor Assembly
Rated Displacement	50cc/r
Max Torque	100Nm ~ 2000Nm
Rotation Speed	1000 r/min to 100 r/min
Compatibility	PC20 to PC400 series, S280, S290, and equivalent models
Substitution	Danfoss and Eaton (Char-Lynn) series
Warranty Time	1-3 months
Place of Origin	Japan
Shandong China Key Word	final drive
NEW Delivery	by ship,airorexpress

Materials

Materials and Build

Cast iron housing with precision-machined gear surfaces
Steel internal gears and shafts with hardened tooth profiles
Sealed hydraulic chambers with high-pressure seals
Black powder-coated finish for environmental protection
Integrated bearing assemblies with lubrication ports

Process

How an Order Is Handled

You provide the excavator model, serial number, and failure symptoms
We confirm part fitment using the application list and supply availability
You confirm the order with the part number, weight, and delivery method
We prepare the unit, photograph it, and record the serial number before dispatch
We book shipment via sea or air express and provide tracking and export documents

Quality Control

Checks Before Loading

Serial number and part number are verified against the order before packing
Final drive is tested under load for smooth rotation and noise levels before shipment
All external surfaces are inspected for damage, paint defects, or shipping marks
Shipping packaging includes anti-vibration and moisture protection for long transit

Customisation

What Can Be Changed

Custom packaging for bulk or high-value orders
Labeling with your company logo or part number on the shipping crate
Optional inclusion of installation guide or torque specification sheet
Different delivery method selection based on urgency (air vs sea)

Honest Comparison

How It Compares With the Alternatives

OEM final drive from Japan	This unit is available faster and at lower cost, but may not carry the same brand warranty
Generic Chinese replacement	This unit uses imported CNC machinery and has consistent tolerances, unlike unverified low-cost substitutes
Used or rebuilt unit	This is a new assembly with full warranty, avoiding risk of hidden wear or internal damage

Use Guide

Using It Well

Inspect the unit for shipping damage before installation
Use a torque wrench to secure mounting bolts to the manufacturer's specification
Fill the hydraulic system with the correct fluid type and level before operation
Monitor oil temperature and pressure during initial operation to confirm proper function

Photographs

More Views of This Unit

Photographs held for this listing. Current yard photographs of the specific unit you shortlist are taken fresh before any balance is paid.

Side view of the TM50 final drive unit with hydraulic ports and shaft end visible

Close-up of the TM50 assembly showing the gear teeth and mounting bolt pattern

Final drive unit placed on a pallet with protective foam, ready for shipping

TM50 travel motor assembly with serial number label and packaging details visible

Source Specification

Manufacturer Text We Hold for This Listing

Original NEW Final drive TM50 Travel motor assy device used s280 s290 Company Information Company Information Our company's CNC machining centers, forming grinder,CNC cars are imported from Europe. We manufacture and supply cycloid hydraulic motors and other hydraulic products categories. More than 3000 kinds of orbit motors with variety series of models and data can be offered, with rated displacement from 50cc/r to 1000 cc/r, rotation speed from 1000 r/min to 100 r/min, and max torque from 100Nm ~2000Nm. Our products can substitute Danfoss and Eaton(Char-Lynn) series products. We supply different kinds of hydraulic motors,including OMP/JH/BMP/BM1/HMP series,OMR/JS/BMR/BM2/HMR series,OMS/2000/BM3/BM5/HMS series,OMT/6000/BM6/BMT/HMT series hydraulic orbital motor and hydraulic pumps/hydraulic cylinders/hydraulic valves. The hydraulic products have been exported to countries such as the U

Reproduced from the supplier specification. Figures are confirmed in writing on the proforma invoice before any deposit.

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