Running gear
Track and carrier rollers selected around machine model, mounting details and operating conditions.
Undercarriage systems / Model-matched supply
Undercarriage parts matched to the machine and the work.
HUAMAOJI coordinates individual wear parts, matched component groups and complete undercarriage supply for excavators, bulldozers, drilling rigs, crawler cranes and special-purpose tracked equipment.
Who this page is for
For equipment owners, repair operations, contractors, importers and distributors that need a traceable matching process instead of a visually similar part.
What can be coordinated
Define the right scope before asking for a price.
Drive and guidance
Sprockets, segments and idlers reviewed as interacting parts of the crawler system.
Track system
Track links, chains, shoes, pads and complete groups coordinated around pitch, width and application.
Selection & matching inputs
Send what you know.
The gaps can be clarified.
A useful first message can be short. Photographs, markings, drawings and intended-use details often prevent a visually similar but unsuitable direction.
- 01
Machine manufacturer, model and serial information
- 02
Part name, part number or existing marking
- 03
Drawings, mounting dimensions or clear photographs
- 04
Quantity, destination and expected delivery scope
From matching to export
The quotation should state what is—and is not—included.
Match before quotation
Available evidence is checked with suitable partner-manufacturer resources before the commercial scope is confirmed.
Order-level review
Material, heat-treatment, assembly, finish, packing and inspection requirements are discussed where relevant to the part.
Export coordination
Mixed components, complete sets and applicable EXW, FOB, CFR or eligible DDP routes can be reviewed for the destination.
Related evidence references
Open a reference and carry its ID into the inquiry.
References demonstrate available directions and evidence. They do not guarantee current stock, exact fitment or a fixed specification.
Can you match a part without a part number?+
Often a machine model, dimensions and clear photographs are enough to begin, but additional measurements or samples may be required before fitment is confirmed.
Can different undercarriage parts ship together?+
Yes, mixed-component or system-level supply can be discussed. The final packing and shipment plan depends on part sizes, quantities and destination.
Are the parts held in stock?+
Reference imagery shows supply capability, not guaranteed inventory. Current availability and production timing are confirmed for each inquiry.