Key takeaways
- Table of Contents 5 sections 10 min read 1 Quick Verdict 2 Clippers and Blades Compared 3 How to Choose 3.1 Understand blade numbers before you buy anything 3.2 Detachable blade versus plastic guard combs 3.3 Corded versus cordless 3.4…
Before we get to clippers, the warning that matters more than any product on this page: do not shave an Australian Shepherd. The Aussie has a double coat — a coarse, water-shedding outer layer of guard hairs over a soft insulating undercoat — and those two layers grow at different rates and serve different functions. Clipping the whole dog down removes the guard coat, which regrows slowly and sometimes unevenly, while the undercoat regrows fast and fills the space. The result is a woolly, dull, matted-prone coat that no longer sheds water, no longer traps an insulating air layer, and no longer shields skin from sun. In some dogs the guard coat never fully returns. A shaved Aussie is also not a cooler Aussie: that coat is the dog’s heat management system, and stripping it exposes bare skin to sunburn.
So what are clippers actually for on this breed? Tidying. Sanitary areas, the pads between the toes, the fur around the ears, the hocks, and blending the britches and tail so they look neat rather than shaggy. That is real work and it justifies buying a decent machine — but it is trim work, not a haircut. Below are the clippers that handle it, plus the blade sizes that go with each job, because on a coat this dense the blade matters more than the motor.

oneisall Dog Clippers for Grooming Thick Hair, Professional 9000RPM 5 Speed with 5 in 1 DLC Blade, 280min Cordless, Low Noise Dog Grooming Kit with 8 Metal Combs Carring Case for Dogs Cats Pet | 280Min Cordless. Low Noise. 5 in 1 DLC Blade.8 Metal Combs with Carring Case.5-Speed for Thick Curly Matted Coats at Home
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oneisall Dog Grooming Kit for Thick/Matted Hair with Stainless Steel Blade | Powerful Motor, Dog Clippers+Paw Trimmers, IPX7 Waterproof, Low Noise, Cordless & Long Battery Life
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oneisall Dog Clippers for Grooming Thick/Matted Hair, 4-in-1 Grooming Kit
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Wahl Easy Pro for Pets, Cordless Dog Grooming Kit, Fine to Medium Coats
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View on AmazonQuick Verdict
Best overall: Andis 24675 UltraEdge 2-Speed Detachable Blade Clipper, 120V ($149.99). This is the machine professional groomers actually run. Two speeds, a rotary motor with enough torque to move through dense undercoat without bogging, and — critically — a detachable blade system, so you swap a #10 for a #7F in two seconds instead of fiddling with plastic guards. Corded, which means no mid-groom battery fade on a big dog.
Best value for home use: Wahl USA Pet-Pro Corded Dog Grooming Clipper Kit, Fine & Medium Coats ($44.99). Honest, durable, and enough for sanitary trims, feet, and light tidying. The name says fine and medium coats and that is accurate — it will not power through thick britches all day, but for a fifteen-minute tidy-up it is plenty.
Best cordless: Wahl Power Pro Lithium Ion Rechargeable Cordless Dog Grooming Clipper Kit ($99.99). Lithium gives you consistent power until the battery dies rather than a slow fade. Cordless matters more than people expect with a herding dog who will not stand still on a table.
Best budget cordless: oneisall Dog Clippers for Grooming Thick Heavy Coats ($39.98). Quiet, light, adequate for feet and sanitary work on a cooperative dog. Not a machine for full-body work, which on an Aussie you should not be doing anyway.
The essential blades: Andis 72600 UltraEdge Detachable Blade, Size 7FC, 1/8in Cut ($29.95) and a #10 such as the 3 Pack 10 Clipper Blade Compatible with Andis, Wahl and Oster Dog Clippers ($32.99). A #10 handles sanitary and pads; a 7F is your general tidy blade. Add Andis 72615 UltraEdge Blade, Size 4FC, Deep Tooth ($32.09) if you want a longer, softer finish on britches.
Do not skip: Andis 12551 Cool Care Plus 5-in-1 Clipper Blade Spray ($9.31). Metal blades heat fast in dense coat, and a hot blade burns skin. This is a safety item, not an accessory.
Clippers and Blades Compared
| Product | Price | Type | Best use on an Aussie |
|---|---|---|---|
| Andis 24675 UltraEdge 2-Speed | $149.99 | Corded, detachable blade | All trim work; dense britches and tail |
| Wahl Power Pro Lithium Cordless Kit | $99.99 | Cordless kit | Fidgety dogs, no cord to manage |
| Wahl Pet-Pro Corded Kit | $44.99 | Corded kit | Sanitary, feet, light tidying |
| oneisall Thick Heavy Coats Clipper | $39.98 | Cordless | Quick paw and sanitary touch-ups |
| Andis 72600 Blade, 7FC (1/8 in) | $29.95 | Detachable blade | General tidy, hocks, blending |
| #10 Blade 3-Pack (Andis/Wahl/Oster fit) | $32.99 | Detachable blade | Sanitary trim, between pads |
| Andis 72615 Blade, 4FC deep tooth | $32.09 | Detachable blade | Longer, softer finish on britches |
| Andis Cool Care Plus blade spray | $9.31 | Maintenance | Cooling and lubricating blades |
How to Choose
Understand blade numbers before you buy anything
Clipper blade numbering is standardized and it runs backwards from intuition: the higher the number, the shorter the cut. A #10 leaves roughly 1/16 of an inch. A #7F leaves about 1/8 inch. A #5F leaves about 1/4 inch. A #4F leaves about 3/8 inch. The letter F means “finish” — a finish blade has closely spaced teeth that leave a smooth surface, while a skip-tooth blade has alternating long and short teeth and is far more likely to grab and cut skin. For a home groomer on a double coat, stay with F blades. On an Aussie the only blade you truly need is a #10 for sanitary areas and pads, plus a 7F if you want to tidy hocks and feather edges.
Detachable blade versus plastic guard combs
Cheap clippers use a fixed blade with snap-on plastic combs. On thin, straight hair that works. On an Aussie’s dense undercoat the comb clogs, the blade stalls, and you end up dragging the machine, which pulls hair and irritates the dog. Detachable-blade systems change the actual cutting blade, which is why groomers use them. If you only ever do feet and sanitary, guards are fine; if you plan to tidy the rear and tail regularly, spend the money on a detachable-blade machine.
Corded versus cordless
Corded gives constant power and never quits mid-groom. Cordless gives freedom of movement, which is genuinely useful on a dog that wants to reposition every ninety seconds. Modern lithium clippers hold power well; older nickel-based units fade badly as they drain. If you can only own one and your dog is patient, buy corded.
Noise and vibration
Aussies are smart and sound-sensitive, and a loud clipper on the first session can create a lasting aversion. Quieter cordless units are a reasonable trade for a nervous dog even though they have less power. Introduce the machine running but switched away from the dog, pay for calm, and build up over several days before you ever touch the coat with it.
Blade heat is the real hazard
A blade moving through thick coat gets hot enough to burn skin in under a minute, and the most common clipper injury in home grooming is a heat burn, not a cut. Touch the blade to the inside of your own wrist every thirty seconds. If it is uncomfortable to you, it is worse on the dog. Cool with blade spray, or keep a second blade in rotation and swap when one heats up.
The Picks in Detail
Andis 24675 UltraEdge 2-Speed Detachable Blade Clipper ($149.99)
The standard professional workhorse. The rotary motor does not slow when it meets dense undercoat, and the two-speed setting lets you drop to the lower speed for nervous dogs or sensitive areas. It ships without a full blade set, so budget for a #10 at minimum. The detachable system also accepts a wide range of third-party blades, which keeps replacement costs sane. For an owner who grooms their own Aussie every few weeks for the next decade, this is the buy-once option.
Wahl Power Pro Lithium Ion Cordless Kit ($99.99)
Lithium chemistry means the clipper runs at full speed until it is nearly empty rather than gradually weakening. The kit format gets you attachment combs and basic accessories in one box. Best suited to owners doing regular light maintenance — feet, sanitary, ear edges, hock tidying — on a dog who will not tolerate being tethered near an outlet.
Wahl Pet-Pro Corded Kit ($44.99)
The most sensible first clipper for someone who is not sure how much home grooming they will actually do. Corded, straightforward, and cheap enough that if it turns out you prefer paying a groomer, you have not lost much. Be realistic about its limits: it is rated for fine and medium coats, and an adult Aussie’s rear is neither.
oneisall Dog Clippers for Grooming Thick Heavy Coats ($39.98)
Low noise is the selling point, and for an anxious dog that is worth real money. Use it for paw pads, sanitary trims, and quick cleanups between professional appointments. Keep the blade oiled and expect to replace the unit sooner than a professional machine.
Blades and blade care
Buy a #10 first. It is the blade for sanitary trims and for clearing the hair that grows between paw pads, which is where an Aussie collects burrs, ice balls, and grass seeds. Add a 7F for general tidying. A 4F deep tooth blade leaves a longer, more natural finish if you want to neaten the britches without taking them down. Oil blades before every session and spray with Cool Care Plus during long jobs. A dull or dry blade pulls hair, and a dog who gets pulled once will remember.
Related guides: best brush for a jack russell terrier, best clippers for matted dog hair, best comb for doodle mix dogs, best dander shampoo for dogs, best deshedding tool for double coated dogs
FAQ
Will shaving my Australian Shepherd keep him cooler in summer?
No. The double coat insulates against heat as well as cold by trapping air near the skin, and the guard coat blocks UV. Shaving removes both and exposes skin to sunburn. Cooling comes from shade, water, limiting midday exercise, and removing dead undercoat with a rake — not from clipping. The only time an Aussie should be shaved is on veterinary instruction, for surgery or a skin condition.
My Aussie is already shaved. Will the coat come back?
Usually, over one to two full shed cycles, but it may come back with a different texture — softer, woollier, more prone to matting — and some dogs never regain the full harsh guard coat. Feed well, brush consistently with an undercoat rake to keep the regrowth from felting, and do not shave again while it recovers.
What about mats? Can I just clip them out?
A tight mat that is felted against the skin has to be clipped out, not brushed out. Brushing through a solid mat is painful, tears hair from the follicle, and causes brush burn on the skin beneath. Slide a #10 blade flat between the mat and the skin and take it off in one piece. If the mats are widespread or you cannot see skin under them, that is a professional job — the skin under a large mat is often raw and needs eyes on it.
Which blade should I use between the paw pads?
A #10. Hold the paw firmly, spread the toes, and skim the blade flat across the pad surface to take out the tuft that grows between the pads. Never dig the blade between the toes. This is the single most useful clipper job for an Aussie owner — it improves traction on hard floors and stops ice and debris from packing in.
How often should I be clipping anything at all?
Sanitary and paw pads every four to six weeks. Hocks and ear edges as needed for tidiness. Everything else on an Aussie is brushing and bathing, not clipping. If you are reaching for the clippers more often than that, the underlying issue is probably undercoat you need to rake out instead.
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