JCB Spare Parts JCB 803 Track Roller Bottom Rollers For JCB Mini Excavator

$30.00 - $60.00
Min. Order
10 Pieces
Choose your specifications
Company Information

Hangzhou Shengchi Machinery Co., Ltd.

CN Trading Company
Response Time
Response Rate:
US$ 600+
10 Years Paid Supplier Supplier Trade Assurance
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Quick Details

Port: Shanghai,TianJin,Qingdao
Payment Terms: L/C,D/A,D/P,T/T,track roller sample is available
Supply Ability: 1000.0 Piece/Pieces per Week Track Roller
Condition: New
Place of Origin: Zhejiang China
Warranty: 1 YEAR
After-sales Service Provided: Online support
Hardness Depth: 8mm-12mm
Color: Black Or Yellow,Customerized
Showroom Location: None
Material: 50Mn/40MnB
Certification: ISO9001:2015
Brand Name: TSK
Video outgoing-inspection: Provided
Type: Construction Machinery Parts
Marketing Type: Ordinary Product
Applicable Industries: Building Material Shops,Manufacturing Plant,Farms,Construction works ,Energy & Mining,Track Roller
Surface Hardness: HRC52-58
Product name: JCB803 Mini Excavator Track Roller
Local Service Location: None
Model: JCB803
After Warranty Service: Online support
Technique: Forging Casting
Application: Crawler Excavator,Bulldozer
Machinery Test Report: Provided
Packaging Detail: Packing of Mini Excavator Undercarriage Parts Track Rollers 1.Standard exported wooden pallet FCL LCL 2.Fumigate seaworthy packing 3.Customized
Package Preview:,
Undercarriage banner


Product Description

JCB Spare Parts JCB 803 Track Roller Bottom Rollers For JCB Mini Excavator

Product Name
JCB 803 Track Roller/Bottom Roller/Lower Roller
Our Refer No.
Raw material
Heat treatment
Induction hardening
Surface Hardness
HRC 52-60
Quench depth
Centre Flange
Running Flange
Forging and Casting
Yellow or Black & Can be Customized
Application: For JCB Mini Excavator Undercarriage
More Questions: More questions? Please don't hesitate to consult us.


Available Product Models Display

JCB Model Notes
8008, 8010  
801.4~6, 8014, 8016, 8018, 8020  
802.5, 802.7, 8025, 8026, 8027, 803, 8030, 8035, 804  
8040, 8045 MU3029
805, JCB805.2, 806, 8050, 8052, 8055, 8060, 8065 MU5003
JS70, JZ70, JZ70-2, 8085, 8080 R/T
JS70, JZ70, JZ70-2, 8085, 8080 S/T

 JCB803-BD.jpgTrack Bottom Roller



Front Idler:

Fabricated version with ring-rolling process and induction hardening on tread diameter;

Casted version with induction hardening on tread diameter.


Track roller:

excavator version designed to support high static load;

tractor version designed to guarantee high speed reliability and axial load resistance.


Carrier roller:

designed in different solutions for guide and support the chain in every condition.



sprockets are designed to suit a wide variety of hub flanges enabling a full choice of gearbox types.


Adjuster or Tensioner:

Tensioner for construction machine also coule be called Recoil Spring Assembly.

It is consist of hydraulic system, recoil spring and connection parts.


Rubber track:

Inside infinite torn steel ropes increase the track´s tensile strength and trapezoid steel cores minimize its contact surface with the rollers.
All cores are prepared for a long-lasting connection to the rubber mantling in a modern coating process.
On the outside an optimized rubber mixture is the basis for the track´s outstanding resistance.

Width from 150 to 900mm.


Steel track:

In the field of hydraulic excavators our product range includes tracks size B00 (90mm split) to B9 (260mm split).
For bulldozers we stock tracks size D3 (155mm split) to D11 (317,5mm split).


Rubber Pads:

Clip-on, Bolt-on, Chain-on.


Steel track pads:

Pitch from 90mm to 317.5mm.

Packaging & Shipping




1-What's the material used for UNDERCARRIAGE parts?

It depends on the requirement.


2-Can you develop parts by drawings or samples?

Yes, of course. We have an existent product list. Besides, we can also manufacture parts by your request.


3-What’s the payment and delivery time?

Normally, the payment should be TT and 30% paid in advance; or see the copy of B/L.

20 days are ok to ship.


4-Can I trust you?

Please do not doubt that. We are selling parts to OE makers and distributors worldwide for more than 20 years.

Company Information


Hangzhou Shengchi Machinery Co,Ltd was established to be an outstanding manufacturer of excavator attachments and undercarriages and advance construction machine parts professions. Currently, our attachment products are mainly involved in excavator buckets, loader buckets, hydraulic grapple, tilting bucket and so on. Most of them are being exported to Europe, Japan, USA, UK and Australian.


Taking care for all customers, offering quality products, listening to what customers want has always been our philosophy.


 Why Choose Us-Suntrac



Contact Us

Address: Room 1305, No632 Zhongshan North Road, Hangzhou, China