China best Track Link Assy Chain for Excavator Undercarriage Parts block or bush chain

Product Description


1) The original undercarriage parts at favorable prices
2) OEM undercarriage parts with good quality
3) Long wear life and high working efficiency
4) Quick response and fast delivery with regular inventories
5) Strong and healthy cash flow allows us to offer flexible payment terms



1. Raw materials from first-class suppliers in the industry are used, and hot-die forging molding technology is used for chain rail links to ensure dimensional accuracy and uniform grain refinement;
2. Continuous induction hardening and tempering technology is adopted for the tread surface of the chain rail, and the depth of the hardened layer and the surface hardness of the forging are uniform;
3. The inner and outer peripheries of the pin sleeves are induction hardened to improve the surface wear resistance and the impact toughness of the core.

We will confirm before every shipment

Code Name A B C D E F G H I J K L Single Weight(KG) Excavator Application(ton)
OM90G 90 / / / /  22.2 14.2 56 23 59  26 / 1.07 1.5t
OM90GA 90 / / / /  22.5 14.1 52 21 59  26 / 1.04 1.5t
OM101G 101.6 23.5 36.55 55.5 55.5  33.25 21.25 70 30 77  35  12.5 1.97 3.5t
OM101GA 101.6 23.5 37.5 77 57  32.18 19.17 63 30 80  35  12.5 1.8 3.5t
OM101GC 101.6 / / / /  33.25 21.25 70 30 77  35 / 2 3.5t
OM101GD 101.6 / / / /  32.2 19.2 65 29.5 72.6  32 / 1.88 2.7t
OM135 135 46 40 104 80  35 22.35 67 31 108.2  52.2  12.5 3.29 6t
OM154 154.1 57 44 112.4 82.4  45.25 28.1 87 40 123.4  50.6  14.5 6.11 8t~9t
OM154A 154.1 57 44 89 73  41.25 24.05 74 33.5 105  45  14.5 3.98 7.5t
OM171 171.45 60.3 55.6 108 108  53.9 33.85 95 43.2 145  73  16.5 7.8 15t
OM175 175 57 54 102.4 86.4  48.3 32.1 88 41 122.4  52.4  16.5 7.01 13.5t~15t
OM175B 175 57 54 102.4 86.4  46.35 30.1 86 39 122.4  52.4  16.2 6.34 13t
OM190F 190 62 58 160.4 124.4  59.3 38.2 105 47 175.6  84.8  20.5 11.7 20t-26t
OM190H 190 62 58 160.4 124.4  59.3 40 105 47 176  83  20.5 12.49 27t
OM203A 203 72.2 60 178.4 138.4  66.85 44.8 116 52 198  102.4  20.5 15.15 30t~33t
OM203B 203 72 62 179 129  64 42 115 51 194  93  20.5 15.58 26.5t
OM216 216 76.2 63 184 146  71.4 47.2 129 59 2092  106  24.5 18.95 36t~40t
OM216B 216 76.2 63 178.4 140.4  66.85 44.8 116 52 197.6  102  22.5 16.41 30t~33t
OM216D 216 76.2 63 184 146  71.4 47.2 129 59 2092  106  22.5 19.05 40t
OM216G 216 76 69 190 140  68 46.1 124 56 209.6  100.6  23 18.95 361t
OM216H 216 76.2 65.3 184 146  71.4 47.2 129 59 212.5  104.5  25 19.68 49t
OM216J 216 76.2 63 178.4 140.4  66.85 44.8 118 54 197.6  102  22.5 16.77 38.5t
OM228 228.6 76.2 71.4 184 144  71.4 47.2 129 59 212.6  103.6  24.5 21.87 45t~50t
OM228E 228.6 76.2 71.4 219.8 169  79 48.9 133 63 245.6  122.8  24.5 27.09 65t
OM228F 228.6 76.2 71.4 219.8 169  79 48.9 133 63 245.6  122.8  26 27.01 65t






Q1: Are you trading company or manufacturer?
A: We are not manufacturer, we manage the supply chain and offer undercarriage parts for XCMG crawler undercarriages, including track rollers/bottom rollers,top rollers/carrier rollers,driving sprockets/ sprocket rims/sprocket segments,track idlers,track chains/track link assy, track shoes/ track pads,track bolts,track nuts,track pins,track bushings,etc. Both original and OEM undercarriage parts are available here.

Q2: Hong long is your delivery time?
A: It depends on the quantity. For a big order, the time is generally 10-25 days after order. For a small order, customers can get goods at once. We hold regular stock up to 20 million for popular undercarriage parts, just contact our sales to tell your excavator model number then we will inform whether we have them in stock ready for shipment.

Q3: Do you produce samples? Is it free?
A: We don’t produce samples free of charge for our customer, but your sample cost paid can be returned after your first standard order is placed.

Q4: How to ensure the quality?
A: We produce as per the confirmed technology or drawings for each order for our customers. And our factories followed the strict quality control system provided by XCMG. We inspect goods during production according to a required frequency and we also perform the final inspection before the goods are packed.

Q5: How’s your after sales service?
A: We do offer a warranty.The warranty period will be 12 months or 2000hrs whichever comes first. This warranty does not cover the covering parts and wearing parts.If there is any quality problem within the warranty period, CZPT Machinery will provide solutions accordingly.  


Any interest, will be glad to show you more.


Shipping Cost:

Estimated freight per unit.

To be negotiated
After-sales Service: Video Technical Support;Free Spare Parts;Online
Warranty: 12 Months / 2000 Hours
Type: Undercarrial Parts


Customized Request


Advantages and Disadvantages of Drive Chains

Drive chains are widely used for sliding steel guides. While solution chains are often used, roller chains are more efficient in size and weight. Nevertheless, a drive chain is often the best choice for dirty jobs. The following are some of the benefits and disadvantages of drive chains. Learn more! Adapt your vehicle to your specific situation with drive chains. You’ll be glad you did! Read on to learn more! Continue reading for information on different types of drive chains.

Inverted tooth chain

An inverted tooth camshaft drive chain has teeth on its links and two pin rolling pivot joints that engage each other to transmit moderate to high-speed rotations. This type of drive chain is also known as a silent chain drive, which is particularly effective in reducing noise and vibration. The teeth on the links mesh perfectly with the teeth of the gear sprocket. The inverted tooth design also provides smooth communication of chain links with the teeth of the sprocket.
The design of the new model was particularly effective in quelling noise. The “Druid” spring forks enabled the chain to adjust with minimal motion of the axle. It was launched at the 1910 Olympia show and sold more than 500 units. The drive chain was also silent, which reduced the need for sound insulation and attenuation components, which in turn minimized weight. Hence, it became an ideal choice for wind turbines.
The main disadvantages of chain drive include its low speed and limited range. It is expensive to manufacture and requires precise mounting. Maintenance is essential, including lubrication and slack adjustment. Its velocity fluctuates as the chain is stretched. This causes the chain to fail at the worst possible time. The chain drive also has problems associated with slippage. In addition, it can be prone to excessive wear and tear. Fortunately, however, there are newer types of drive chains available, which are more durable and reliable.

Duplex chain

There are three types of duplex drive chains: SC, RP, and Ramsey. Each has their own unique advantages and features. The Rampower duplex series offers twice the power capacity of the standard SC duplex chain. They are often used in new applications. SC duplex chains are the most affordable and are used in less demanding applications. The SC duplex chain has a lower power capacity but lower weight. There is also no guarantee of performance.

Multi-strand roller chain

The Multiple-strand roller chain for drive chain market can be defined on the basis of the factors that drive growth in this industry. The factors that hamper market growth can be understood in order to come up with alternative bends for lucrative opportunities. This report aims to understand the current scenario and the impact of COVID-19 on the industry as a whole. We will also discuss the market drivers and restraints. We will discuss the various types of Multiple-strand roller chains for drive chain and their market sizes in the coming years.
The minimum tensile strength for a roller chain is one sixth or one-ninth the tensile strength of a conventional drive chain. These standards are established to prevent linkplate fatigue, which is the main cause of premature breakdown. A chain made of this material is considered a superior choice for high-performance applications involving a high load-bearing capacity. If you’re using a drive chain, make sure to choose a proper chain based on the type of application. A simple chain with a high load-bearing capacity is also ideal for simple applications.
While it is true that a high-tension, high-speed drive requires a higher power rating than a low-speed chain, roller chains are primarily used in low to mid-speed applications. They are similar to bicycle chains but may have a master link. In motorcycles, chains are heavier and may require a chain tool to remove. These chains are often replaced with toothed belts or a combination of both.

Flat top chain

The flat top drive chain is a versatile conveyor belt that conveys medium and large workpiece pallets. Its arcing capacity makes it suitable for continuous drive combinations involving curve arcs. The flat top chain is also available with PA wear pads on the workpiece pallets. The flat top chain’s steel and plastic glide profiles allow surface loads of up to 1.5 kg/cm. HD profiles are compatible with the flat top chain.
The steel flat top chain is available in several types: 815, 820, and 881 series. These are heat-treated to have high strength and excellent wear resistance. They can also be used with various sprockets, including 820 sprockets. The high-quality steel chain can be used with many industrial applications. However, if you are looking for a durable chain for your industrial application, iwis hardened stainless steel flat top chains are an excellent choice.
TSplus flat top drive chain offers the most flexibility of any conveying media. The drive units can be linked end-to-end to form extended conveyor lines. Side-flexing flat top chains are available to create serpentine, in-line, and carousel conveyors. Drive units are available in standard and heavy-duty models. They are versatile enough to handle a variety of container sizes. If you need a more complex conveyor system, you can choose a heavy-duty drive chain.
Rexnord flat top chains come in two basic styles: MatTop chain and TableTop chain. The TableTop chain is molded in standard widths ranging from 3.25 inches to 12 inches. These are shipped in ten-foot sections, but you can also find 20-foot-wide mattop chains. You can even customize your MatTop chain to meet your exact needs. They are perfect for a variety of conveying applications, from general conveying to wash down applications.

Conveyor chain

Drive chains for conveyors come in a variety of styles. These chains can have varying degrees of pitch. Pitch is governed by wheel tooth strength, the overall chain rigidity, and the type of drive motor. A normal maximum pitch is determined by the width of the link plates and the angle between the mounting angles. You can increase the pitch of your chain by strengthening the bushes between the link plates. Make sure that the gap between the wheel teeth and the bushes is approximately one-fourth inch.
Pitch and tension of the chain are important considerations when choosing a chain. The minimum pitch is determined by the thickness of the tooth on the wheel and the maximum pitch is determined by the rigidity of the link plates. However, this maximum pitch may be exceeded with bushes between the link plates or clearance with the wheel teeth. A good quality chain will have bearing surfaces lubricated to prevent excessive wear and rust. Medium-viscosity mineral oil is suitable for normal operating conditions. SAE 20W-50 is a good choice for this application. Self-lubricating chains are available from many chain manufacturers.
The chain is usually lubricated by dripping oil between the links. This type of lubrication requires regular inspection of the conveyor chain. The amount of oil should be enough to prevent reddish brown discoloration on the chain joints. A lubricating oil should be applied on a daily basis, according to the manufacturer’s specifications. In order to ensure a longer life for your drive chain, make sure that you lubricate it on a regular basis.

China best Track Link Assy Chain for Excavator Undercarriage Parts   block or bush chainChina best Track Link Assy Chain for Excavator Undercarriage Parts   block or bush chain
editor by CX 2023-06-08

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