Tyre balers look similar from a distance and are presented similarly in marketing materials. Press force, throughput figures, and bale dimension claims are quoted across the market in ways that make direct comparison difficult without understanding what the numbers actually mean in operation. A buyer comparing two tyre balers on specification sheets is often comparing figures that were measured under different conditions, with different tyre sizes, and with different definitions of what constitutes a completed bale.
This article provides a framework for comparing tyre baler specifications that cuts through the marketing layer. It covers the specifications that directly affect bale quality, processing economics, and operational reliability, and explains what questions to ask to get the data you need for a like-for-like comparison.
Throughput is quoted in bales per hour and is the most commercially significant performance figure for a tyre baler, because it determines daily processing capacity and therefore the revenue the operation can generate. The key qualification is the conditions under which throughput is measured: tyre size, operator experience, and cycle time definition all affect the figure.
Standard industry throughput measurement uses passenger car tyres in a defined size range (typically 185 to 205 section width). Truck tyres, larger car SUV tyres, and OTR tyres all reduce throughput relative to the standard car tyre figure. If your operation processes a significant proportion of commercial truck tyres, ask for throughput data measured with those tyre formats, not the headline car tyre figure.
Press force is quoted in tonnes and represents the maximum compression force the machine can apply. Higher press force produces denser bales and handles rigid tyre formats more effectively. The qualifying factor is that press force is a function of hydraulic system pressure and cylinder bore area: a machine with 300 bar operating pressure and a 200 mm bore cylinder produces a different force from one with 250 bar and a 250 mm bore, even though both might be advertised with a similar press force figure.
The full hydraulic specification tells the complete story. The Gradeall MKII Tyre Baler and MK3 Tyre Baler are manufactured with hydraulic system specifications published openly for comparison. A manufacturer willing to provide full hydraulic specification is confident in the quality of their system components.
Bale dimensions are the specification that most directly affects market access. PAS 108-compliant bales have dimensions of approximately 1,600 x 1,200 x 700 mm. Civil engineering buyers and export buyers reference these dimensions in their purchasing specifications. A baler that produces bales significantly outside these dimensions produces a product that cannot access PAS 108-specifying markets.
The important distinction is between compression chamber dimensions and finished bale dimensions. Rubber tyres have elastic properties and spring back after compression is released and wire ties are applied. The finished bale dimension after spring-back and tying is the relevant figure, not the compression chamber size. Ask for finished bale dimension data from actual production, with wire ties applied.
For operations selling bales into export markets, the number of bales that fit into a 20-foot or 40-foot shipping container is a direct economic parameter. Bale dimensions that do not optimise container utilisation leave empty space in every container and increase the per-bale freight cost. The MK3 format is specifically designed to maximise bale count per standard ISO container, improving the economics of export-oriented tyre baling operations.
Buyers with export market access should compare the bales-per-container figure alongside throughput and press force. The Gradeall tyre recycling equipment range includes container-optimised bale formats specifically for operations where export logistics cost is a primary consideration.
Price differences between tyre balers with similar headline specifications typically reflect hydraulic component quality, structural steel specification, manufacturing quality control, after-sales service network, and the manufacturer’s warranty and parts availability commitment. A machine with a lower-quality hydraulic pump and cylinders may have the same press force rating but will require seal replacement and pump overhaul significantly earlier than a machine with industrial-grade hydraulic components. Total cost of ownership over five years is the correct comparison metric; purchase price alone understates the cost of lower-quality equipment
Ask the manufacturer for bale dimension measurements from actual production (not from the machine specification), for the wire tie specification they supply with the machine, and for a statement of PAS 108 compliance. Visit the manufacturer’s facility or a reference customer installation to see bale output directly if the purchase value justifies the visit. Request a trial baling session with your own tyre mix if possible. PAS 108 compliance is a verifiable specification, not a marketing claim, and a manufacturer confident in their compliance will support the verification process
The MKII and MK3 are Gradeall’s two primary tyre baler formats, producing bales of different dimensions optimised for different market applications. The MKII produces bales to PAS 108 civil engineering specification, suited to civil engineering, domestic TDF, and standard export markets. The MK3 produces container-optimised bales that maximise bales per shipping container for export-focused operations. The appropriate format depends on your primary market: civil engineering and domestic TDF favour MKII dimensions; export volume economics favour MK3 dimensions
PAS 108 specifies a minimum of 6 wire ties per bale. Most civil engineering and export buyers require at least 6 ties and some specify 8. Fewer ties risk bale integrity during transport, particularly if bales are handled roughly during container loading or unloading. More ties than the minimum add wire cost without significant benefit beyond 8 ties per bale for standard car tyre formats. Confirm the tie count your target buyers require and specify the baler’s tying system accordingly
A standard car tyre baler can physically accept truck tyres but will produce inconsistent bale quality without a sidewall cutter upstream. Truck tyre sidewalls are rigid and resist compression, causing spring-back that reduces bale density and produces inconsistent bale dimensions. Operations processing both car and truck tyres need a sidewall cutter in the processing line, not a larger baler. The sidewall cutter is the appropriate solution for mixed car and truck tyre streams; it is a lower capital cost than upgrading to a larger baler and produces better bale quality for both tyre categories
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