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The best meat grinder for raw dog food is the one whose manufacturer explicitly supports the exact bones you plan to grind—not simply the one with the biggest motor or highest advertised output. For chicken bones, LEM identifies its Big Bite #12, #22 and #32 as suitable for pet-food preparation and says chicken-bone grinding is covered by the warranty. STX’s Turboforce II 4000 is a conditional option for certain soft bones, but STX explicitly rules out hard bones. These are manufacturer claims, not independent performance tests, and a grinder does not make a raw diet safe or nutritionally complete.
At a glance
| Name | Best for | Key spec | Checked |
|---|---|---|---|
| LEM Big Bite #12 | Smaller home batches using chicken bones | 0.75 HP; 11 lb/min claimed by LEM | November 2026 |
| LEM Big Bite #22 | Home batches between the #12 and #32 options | 1 HP; 13 lb/min claimed by LEM | November 2026 |
| LEM Big Bite #32 | Higher-volume chicken-bone batches | 1.5 HP; 17 lb/min claimed by LEM | November 2026 |
| STX Turboforce II 4000, size #12 | Owners whose recipes use only the soft bones STX allows | 175–225 lb/hour claimed by STX; no hard bones | November 2026 |
How should you choose a meat grinder for raw dog food?
Start with bone compatibility, then consider batch size and cleaning. A model that can grind meat quickly but is not approved for the bones in your recipe is the wrong machine for that job.
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- Write down the exact bones in your recipe. “Poultry bones” is not enough if the manufacturer’s allowance is limited to certain species or types. Check the product page, manual and warranty terms for the specific model.
- Match the machine to its stated limit. LEM says chicken-bone grinding is covered by the warranty for its Big Bite #12, #22 and #32. STX lists chicken, rabbit, squirrel and quail bones for the Turboforce II 4000, while explicitly excluding hard bones, including beef, pork, goat, duck, turkey, lamb and deer bones, and beaks or feet. Do not infer permission for an unlisted bone.
- Estimate the amount you will process per session. A smaller machine may be sufficient for occasional small batches; a higher-output model may be worth considering for larger batches. The published rates below are manufacturer figures, not guaranteed results in a home kitchen.
- Read the cleaning and care instructions before buying. STX gives specific hand-washing and drying directions for its grinding head and plates. Cleaning requirements can affect how practical a machine is for your routine.
- Check warranty coverage and household fit. Verify that the warranty applies to your intended use and bones. Also check the complete machine’s footprint, storage needs and electrical requirements in its current product documentation; the product details cited here do not establish those details for every model.
Which bones can these grinders handle?
There is no universal “bone-grinding” rating in this comparison: the supported types differ by manufacturer. Use the model’s own stated limits as the boundary, and do not assume that a grinder approved for one kind of bone can process another.
| Grinder | Manufacturer-stated bone use | Important limit |
|---|---|---|
| LEM Big Bite #12, #22 and #32 | LEM identifies chicken-bone grinding for these models and says it is covered by their warranty. | The cited guidance establishes chicken-bone use; it does not establish approval for every other bone type. |
| STX Turboforce II 4000, size #12 | STX lists chicken, rabbit, squirrel and quail bones. | STX explicitly excludes hard bones, naming beef, pork, goat, duck, turkey, lamb and deer, as well as beaks and feet. |
These are product-maker statements, not independent assessments of bone safety or grinder performance. The cited pages do not provide a full guide to bone dimensions, preparation, feeding portions or suitability for an individual dog. If a bone or preparation detail is not clearly covered by the manufacturer, ask the maker before processing it; do not treat a motor rating or a general pet-food label as permission.
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Pay attention to what is not on a list as well as what is. For example, STX names four permitted bone sources and separately gives a long hard-bone exclusion. A bone from a different animal, or a part such as a beak or foot that STX expressly excludes, should not be treated as acceptable simply because it seems small or soft to you. Likewise, LEM’s cited guidance supports chicken-bone use for three named models; it does not establish that those grinders are approved for beef, pork, turkey or other bones.
Ask the manufacturer about the exact grinder model and intended ingredient if the product page or manual leaves a detail unclear. Keep the answer with your purchase records, and check written warranty terms rather than relying on an assumption based on another model in the same product line. Bone compatibility is a threshold requirement: if the maker does not support the bone you intend to grind, compare a different machine or revisit the recipe with your veterinarian.
How do the LEM Big Bite #12, #22 and #32 compare?
LEM presents all three models for pet-food preparation and says chicken-bone grinding is covered by the warranty. The main published distinction in the cited guidance is motor power and manufacturer-stated throughput.
| Model | Motor figure from LEM | Throughput figure from LEM | Practical reading |
|---|---|---|---|
| Big Bite #12 | 0.75 HP | 11 lb/min | The lower-output option of these three by LEM’s stated figures. |
| Big Bite #22 | 1 HP | 13 lb/min | A middle choice when comparing the three stated capacities. |
| Big Bite #32 | 1.5 HP | 17 lb/min | The highest stated throughput of these three models. |
LEM’s figures come from its BARF Diet Pet Food guidance. They should be treated as the company’s published claims, not as a promise that a particular recipe, cut or bone load will pass through at that rate. The information here does not specify a comparable test method or establish the output a household should expect.
For a smaller batch, paying for a larger model solely because its rated output is higher may not answer the real question: whether the extra capacity suits your frequency of use, available counter or storage space and cleanup routine. For larger sessions, compare the stated figures, but also confirm the exact warranty terms, parts and electrical specifications for the model you are considering. Current prices and availability are not verified here.
It can help to translate the LEM rates into a common unit, while remembering that this is arithmetic on the company’s claims rather than a kitchen test. Eleven, 13 and 17 pounds per minute equate to 660, 780 and 1,020 pounds per hour, respectively, if the stated rate were sustained continuously. That conversion is useful for comparing the published figures, but it is not a sensible promise about a real batch: preparation, ingredients and pauses affect a home session, and LEM does not provide a shared test method for comparison with other brands.
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Think about how you actually prepare food before choosing among these three. If you grind infrequently and process a modest amount, the #12 may be enough on paper; the #22 sits between the listed capacities; and the #32 has the highest stated throughput. Those descriptions do not establish that one is more durable, quieter, easier to clean or better value. The cited product guidance does not provide a model-by-model household footprint, complete electrical requirements, current price comparison or independent performance measurements, so confirm those details directly for the model and seller you are considering.
When does the STX Turboforce II 4000 make sense?
Consider the STX only if its bone list matches your intended recipe and you are willing to follow its care requirements. Its published throughput does not override its hard-bone exclusion.
STX describes the size #12 Turboforce II 4000 for pet BARF use and states a rate of 175–225 lb/hour on high, with output depending on meat type and preparation. That figure is from the STX product page, not an independent benchmark. The same page limits bones to chicken, rabbit, squirrel and quail, and explicitly says not to use hard bones such as beef, pork, goat, duck, turkey, lamb or deer; it also excludes beaks and feet. If your plan includes any of those excluded items, this model does not match the stated use.
In the same units used for LEM, STX’s claimed 175–225 pounds per hour works out to about 2.9–3.75 pounds per minute. This simple conversion does not make the two brands directly comparable: they publish different ranges and conditions, and no common test protocol or independently tested winner is available. Do not use the apparent difference between the figures to infer how quickly one grinder will process the same bone-and-meat recipe in your kitchen.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteSTX’s cleaning directions are unusually important to the purchase decision: the company says to hand-wash the aluminum grinding-head parts and steel plates with mild detergent, dry them promptly and store them dry. It says the blades may be washed in a dishwasher. Follow the current instructions for the exact machine rather than assuming every component is dishwasher-safe. The distinction matters after a food-preparation session: a dishwasher-safe blade does not mean the head or plates can be washed the same way.
Before committing to the STX, make a checklist of the ingredients you expect to grind and compare each bone against its permitted list and exclusions. If the intended use includes a bone that is not clearly covered, contact STX rather than extrapolating from its pet-food positioning or throughput claim. The model can make sense for an owner whose ingredients fit its stated limits; its strong advertised rate alone is not a reason to choose it.
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What do advertised grinding rates tell you—and what don’t they?
A rated rate can help compare claims made by the same manufacturer, but it is not a dependable forecast for your own batch. Bone type, meat and preparation can affect output, and the product details cited here do not establish comparable testing conditions across brands.
LEM lists 11, 13 and 17 lb/min for the Big Bite #12, #22 and #32, respectively. STX lists 175–225 lb/hour for the Turboforce II 4000 and explicitly notes that output depends on meat type and preparation. These figures use different units and come from different manufacturers, so they should not be read as a head-to-head result or as a ranking of real-world performance.
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Repair Windows errors before they cause bigger problemsFix Now →Scan for outdated or missing drivers - takes under a minuteDriver Scan →Clear out junk files and repair common Windows errorsFree Scan →Retailer claims need the same caution. Costway’s listing advertises 550 lb/hour, 1.5 HP and 1100 W for a grinder, but the Costway product listing does not establish that it can handle bones for raw dog food. A high throughput number, commercial-grade wording or a powerful motor is not evidence of bone compatibility. Do not choose it for bone grinding without explicit confirmation from the manufacturer for the specific bones and intended use. The listing’s 550 lb/hour claim is not a verified raw-food or bone-processing rate.
That distinction also illustrates why motor power is only one buying axis. Costway’s listing gives a 1.5 HP figure—the same horsepower number LEM lists for the Big Bite #32—but that does not make the machines equivalent. The products have different stated throughput, and only LEM’s cited guidance explicitly identifies chicken-bone use for its named Big Bite models and says that use is covered by warranty. A shared horsepower rating does not establish matching construction, warranty coverage, bone limits, performance or suitability.
Industrial equipment belongs in a different category. A 2025 scansteel foodtech brochure describes the SuperGrind 550/310 for pet-food processing, lists beef, pork, poultry and fish bones, and gives a 160–250 kW motor range. Those figures indicate commercial-scale machinery, not a practical household alternative to the grinders above. See the company’s 2025 pet-food machinery brochure for that industrial context. Its specifications are useful to distinguish plant-scale processing from a home purchase, not to recommend a consumer machine.
What should you check before buying?
- Exact bone approval: Look for a clear statement covering the species and type of bone you intend to use. When a page says “soft bones” or provides a list, treat that list as a limit, not an invitation to extrapolate.
- Warranty language: LEM specifically says chicken-bone grinding is covered for the three named Big Bite models. Do not assume the same warranty treatment applies to other models, bones or brands; verify the current written terms.
- Parts and service: Check whether the manufacturer identifies replacement cutting parts and provides support for the model. Current parts availability is not confirmed here, so verify it before purchase.
- Cleaning burden: Identify which pieces must be hand-washed, how they should be dried, and which parts—if any—the manufacturer says can go in a dishwasher. STX’s listed instructions distinguish its head and plates from its blades.
- Batch size and storage: Estimate how much you will prepare at once and where the grinder and its parts will be stored. A machine’s advertised rate does not by itself tell you whether its size or cleanup routine fits your home.
- Electrical and space requirements: Confirm the exact model’s electrical specifications and physical dimensions in current documentation. Do not infer them from horsepower or a model’s size designation alone.
- Price and availability: Compare current seller listings directly. Prices, stock and active affiliate-program status have not been verified, so no price ranking is supported here.
For a practical comparison, write down your intended recipe’s bones and typical batch amount first. Next, eliminate any grinder whose manufacturer’s stated limits do not cover those bones. For the remaining options, compare the manufacturer’s throughput and motor figures, then check cleaning instructions and warranty language. Finally, verify fit for your kitchen: the cited material does not establish dimensions or electrical requirements for every model, and those details should be checked in the current documentation rather than guessed from a model number or horsepower rating.
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Replacement parts are another sensible pre-purchase question. A grinder contains cutting components that may eventually need attention, but availability and compatibility can vary by model. Confirm which replacement parts the maker lists for the exact machine and how to get service or support. Do not assume that a part for one size in a product family fits another. No current inventory or price comparison is established here, so verify both with the seller before deciding.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Does a grinder make a raw diet safe or complete?
No. Grinding is a preparation step; it does not eliminate the food-safety and nutrition questions involved in feeding a raw diet.
LEM warns that raw meat can contain E. coli and Salmonella and recommends talking with a veterinarian before changing a pet to a raw diet. Its page also cautions that raw feeding carries risks. That is a manufacturer’s safety statement, not a substitute for veterinary advice. A grinder does not establish that ingredients are free of pathogens, and the cited material does not determine the health outcomes of raw diets or the nutritional needs of an individual dog.
Do not treat a company’s recipe or a grinder’s ability to process bones as proof that a meal is complete and balanced. Ask your veterinarian about whether a raw diet is appropriate for your dog and how to meet its nutritional needs. Follow the grinder maker’s safety, use and cleaning instructions for the exact model. LEM’s own suggested BARF recipe is the company’s recipe framing; it is not an independently validated complete-and-balanced recommendation.
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Keep the equipment decision separate from the feeding decision. A grinder can help process ingredients within its manufacturer’s stated limits, but it cannot confirm that a diet supplies what a particular dog needs or remove the food-safety concerns LEM identifies. Talk with a veterinarian before changing diets, and use that conversation to address your dog’s individual needs rather than relying on a product description or grinder capability.
How we picked
The comparison prioritizes explicit bone-use statements, then weighs manufacturer-published throughput and motor figures, and includes cleaning guidance where the product source supplies it. The LEM models are listed as chicken-bone options because LEM expressly identifies that use and warranty coverage. STX is included conditionally because its stated soft-bone list has a clear hard-bone exclusion. No independent comparative testing was found, so this is not a tested performance ranking; industrial machinery and listings without established bone suitability are not presented as household recommendations.
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We also distinguish product-maker statements from retailer specifications and commercial equipment information. Costway’s listed 550 lb/hour, 1.5 HP and 1100 W are retailer claims without established bone suitability for raw dog food. scansteel’s SuperGrind 550/310 is an industrial pet-food machine with a 160–250 kW motor range, not a household grinder. The figures help clarify what each listing says, but neither category supplies evidence for choosing a home machine to grind a particular bone.
Frequently Asked Questions
Can I grind frozen meat or bones in these machines?
The cited product information does not establish whether frozen ingredients are allowed for either grinder. Check the current manual for the exact model or ask its manufacturer before processing frozen meat or bones.
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No. Throughput describes a manufacturer’s claimed processing rate, not how much food a dog should eat. Portion size and diet composition are questions to settle with your veterinarian.
Is the STX listed as suitable for turkey bones?
No. STX explicitly names turkey among the hard bones it says not to use in the Turboforce II 4000. Its separate soft-bone list includes chicken, rabbit, squirrel and quail.
Who makes the best heavy-duty meat grinder for raw dog food?
There is no independently tested winner in the available product comparisons. For chicken bones, LEM identifies its Big Bite #12, #22 and #32 and says chicken-bone grinding is covered by those models’ warranty. Choose among them by batch needs and verify current terms. STX’s Turboforce II 4000 is an option only when your bones fit its listed soft-bone limits.
Can the LEM Big Bite grinders handle beef or pork bones?
The cited LEM guidance establishes chicken-bone grinding for the Big Bite #12, #22 and #32, not beef or pork bones. Ask LEM about any bone type not expressly covered before processing it.
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The Bottom Line
For a home grinder, make bone compatibility the deciding filter: LEM identifies its Big Bite #12, #22 and #32 for chicken bones and says that use is covered by warranty; STX lists only chicken, rabbit, squirrel and quail bones and excludes hard bones, beaks and feet. Compare batch needs and cleaning only after confirming the exact model supports your intended ingredients. Treat all output figures as manufacturer claims, not test results, and consult a veterinarian about raw-diet safety and nutritional adequacy.
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