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2021 Cemco Model 300 Portable Concrete Batch Plant – 2-Bin 60/40 Split Silo, Jonel Archer Controls

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General Details

  • address
    Location

    Winnemucca, NV

  • brand
    Make

    Cemco

  • model
    Model

    Model 300 2-Bin 60/40 Split Silo

  • year
    Year

    2021

  • condition
    Condition

    Used

Description

This equipment has been sold and is no longer available.

ID: 25995
Date: 11.21.2025
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CONCRETEIRON CONCIERGE

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Built for the Concrete Industry—Driven by Results

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ConcreteIron.com is the world’s first and only online equipment marketplace built exclusively for the concrete industry. Since 2004, we’ve helped contractors, equipment owners, and dealers buy and sell used concrete equipment with confidence. Whether you’re listing one item or managing an entire fleet, our platform delivers industry-specific exposure, serious buyers, and real results—without the noise of unrelated equipment.

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FAQ

What are the key specifications of this 2021 Cemco Model 300 batch plant? +

2021 Cemco Model 300 Portable Concrete Batch Plant features a 173 HP Tier 4 John Deere diesel engine with hydraulic power for all accessories. It has a 2-bin aggregate configuration with an extended 60/40 split silo (approximately 75-ton total capacity). The split provides 325 barrels (1,300 cubic feet) and 216 barrels (864 cubic feet) of cement storage. Transport dimensions are 68 feet long by 12 feet wide by 14 feet 6 inches tall, with an estimated weight of 62,000 pounds. The plant includes a 5,000 CFM silo-mounted load-point dust collector and Jonel Archer batching controls housed in a converted 2007 53-foot dry van trailer.

What is the production capacity of the 2021 Cemco Model 300 Portable Concrete Batch Plant? +

The 2021 Cemco Model 300 Portable Concrete Batch Plant is rated at 300 cubic yards of concrete per hour based on a 2:24 cycle time with 12-yard mixer trucks. However, the plant is fully capable of delivering a load as quickly as any truck can accept it. Actual production is ultimately limited by the maximum truck feed rate and the time it takes for a loaded truck to leave and the next truck to position for loading. When continually batching, the plant can have the next load ready while trucks are transferring.

How does the self-erecting system work? +

The 2021 Cemco Model 300 Portable Concrete Batch Plant is a self-contained, self-erecting batch plant that uses built-in hydraulics powered by the onboard diesel engine. The silo erects hydraulically in less than 5 minutes without requiring external cranes or lifting equipment. The plant is leveled by four hydraulic jacks at each corner. Two people can easily set up the entire plant in under one hour from the time it’s dropped off. This self-erecting feature creates substantial savings in setup costs, as crane assistance for silo setup can cost tens of thousands of dollars.

Does this 2021 Cemco Model 300 Portable Concrete Batch Plant require external power or utilities to operate? +

No, the 2021 Cemco Model 300 Portable Concrete Batch Plant is fully self-contained and does not require external power for batching operations. The 173 HP John Deere diesel engine powers all hydraulic systems for aggregate handling, conveying, dust collection, and batching. However, the Jonel Archer control system requires a dedicated 20 amp 120 VAC circuit, which can be supplied by a small portable generator. The included 2007 dry van trailer houses the controls and provides workspace, making it a complete mobile batching facility.

How accurate are the batching scales and control system? +

The 2021 Cemco Model 300 Portable Concrete Batch Plant uses Cardinal Scale THBC load cell kits with stainless steel waterproof load cells for weighing ground-level aggregate hoppers. Cardinal Scale ZX suspension-type load cells weigh water and cement from the overhead silo. The Jonel Archer control system with Cardinal Scale 201 digital indicators provides precision batching with de-cumulative weighing for aggregates and accumulative weighing for water and cement. This combination delivers accurate, fast batching that adds exact amounts of material while reducing waste.

What is the dust collection system capacity of 2021 Cemco Model 300 Portable Concrete Batch Plant? +

This 2021 Cemco Model 300 Portable Concrete Batch Plant includes a 5,000 CFM silo-mounted load-point dust collector that mounts directly to the silo and is powered by the batch plant’s hydraulic system. Standard Cemco plants also come with silo top and cement weigh batcher dust collectors. The load-point dust collector is particularly important for meeting environmental regulations and maintaining a cleaner work environment. All dust collection systems operate from the plant’s onboard power, requiring no external electrical connections.

What types of projects is this portable 2021 Cemco Model 300 Portable Concrete Batch Plant best suited for? +

The 2021 Cemco Model 300 Portable Concrete Batch Plant is ideal for remote job sites, temporary production needs, highway and infrastructure projects, large commercial developments, and situations where a stationary plant isn’t practical. The portability makes it valuable for contractors who move between multiple job sites or need to produce concrete on-site for specific project durations. With only 38,000 yards produced, this 2021 unit has substantial production capacity remaining and is ready for immediate deployment on demanding projects.

Can this 2021 Cemco Model 300 Portable Concrete Batch Plant be used in remote locations without infrastructure? +

Yes, this is one of the Model 300’s key advantages. Being self-contained with onboard power, it doesn’t require existing electrical infrastructure, foundations, or complex site preparation. The plant only needs a relatively level area that can support the weight, access for material delivery trucks, and space for ready-mix trucks to load. The included generator for the control system is portable, making the entire package truly mobile and suitable for remote mining operations, energy projects, or rural infrastructure work.

How does the optional third aggregate bin work with this configuration? +

The 2021 Cemco Model 300 Portable Concrete Batch Plant supports an optional third aggregate bin that mounts above the aggregate belt once the silo is in the upright position. For transport, the auxiliary bin is removed before folding the silo into travel mode and hauled separately. While this adds a transport step, the third bin provides valuable flexibility for operations needing additional aggregate types, expanded storage capacity, or more diverse mix design capabilities. This is particularly useful for projects requiring multiple stone sizes or specialty aggregates.

What regular maintenance does this batch 2021 Cemco Model 300 Portable Concrete Batch Plant require? +

Daily maintenance includes checking hydraulic fluid levels in the system, inspecting the 73 CFM belt-driven screw compressor, draining water from the 80-gallon air storage tank, and checking dust collector performance. The John Deere Tier 4 diesel engine requires standard maintenance per manufacturer specifications—oil changes, fuel filter replacement, DEF fluid for emissions control, and air filter service. The gravity-fed weighing system prevents issues associated with auger systems, reducing maintenance needs. Scales should be calibrated periodically, and conveyor belts inspected for wear.

How available are replacement parts for the 2021 Cemco Model 300 Portable Concrete Batch Plant ? +

Cemco, Inc. has been manufacturing batch plants since 1975 and maintains parts support for their equipment. The company is based in Olney, Texas, and provides parts and technical support. Major components like the John Deere engine, Cardinal Scale load cells and indicators, and Jonel Archer controls all have established parts networks through their respective manufacturers. Hydraulic components, conveyor parts, and dust collectors use standard industrial components that are widely available. Being a 2021 model, this plant uses current-generation components with excellent parts availability.

What training is required to operate this batch 2021 Cemco Model 300 Portable Concrete Batch Plant effectively? +

Operators need basic understanding of concrete batching, mix designs, and equipment operation. The Jonel Archer control system provides an intuitive interface for batch management. Cemco typically provides operator training covering plant setup, batching procedures, maintenance requirements, troubleshooting, and safety protocols. Understanding proper aggregate handling, cement storage, and quality control testing is essential. Most operators with concrete production experience can learn the system within a few days, though thorough training ensures optimal production and longevity of equipment.

How is the 2021 Cemco Model 300 Portable Concrete Batch Plant transported between job sites? +

The 2021 Cemco Model 300 Portable Concrete Batch Plant transports as a single load on a lowboy or RGN trailer. The silo folds down hydraulically into its travel position. Transport dimensions are 68 feet long, 12 feet wide, and 14 feet 6 inches tall, weighing approximately 62,000 pounds. The included 2007 53-foot dry van trailer containing the controls and workspace transports separately as a standard freight load. Oversize/overweight permits are required for the main plant unit. The 5,000 CFM dust collector remains mounted to the silo during transport. If the optional third bin is installed, it transports as a separate piece.

What site preparation is needed before plant setup? +

The site needs a relatively level area that can support 62,000+ pounds distributed across four leveling points, plus space for the control trailer. Allow adequate clearance for aggregate delivery trucks, cement trucks to fill the silo, and ready-mix trucks to load. The plant requires roughly 70-80 feet of length when operational with aggregate bins feeding the system. Ensure the 20 amp 120 VAC generator for controls is positioned appropriately with fuel supply. The setup area should have good drainage and be accessible in various weather conditions. No foundations or permanent structures are required.

What are the limitations of this particular configuration of 2021 Cemco Model 300 Portable Concrete Batch Plant ? +

This unit has a 2-bin 60/40 split silo configuration, which limits aggregate versatility compared to 3-bin or 4-bin options (though the optional third bin can be added). The 75-ton cement capacity, while substantial, may require more frequent cement deliveries on very high-volume projects compared to plants with larger silos. The Jonel Archer control system requires 120 VAC power from a generator if grid power isn’t available. Weather limitations include extreme cold affecting hydraulics and diesel fuel, and high winds potentially interfering with dust collection efficiency. The plant performs best with standard ready-mix applications; highly specialized concrete (such as self-consolidating or ultra-high-performance mixes) may require additional equipment or modifications.

Buyer’s Note: With only 38,000 yards produced, this 2021 Cemco Model 300 has substantial service life remaining. The included batch house trailer adds significant value for operations and storage. Verify the condition of the John Deere engine, hydraulic systems, scales calibration, and dust collector performance. Request service records and consider ConcreteIron’s pre-buy inspection service. This plant represents an excellent opportunity for contractors needing proven mobile batching capability with low hours and recent manufacturing year ensuring parts availability and modern emissions compliance.