Operating weight: ~6,600–7,700 lb · Dig depth: ~8–10 ft
The class where most of the market lands, and the default recommendation for anyone doing general work.
Why It's the Sweet Spot
Depth covers most work. Roughly 8–10 feet handles footings at frost depth in most climates, utility burial, septic laterals, and drainage.
Full attachment ecosystem. Breakers, augers, thumbs, compaction wheels, tilt buckets — all readily available and properly matched to this class.
Cab options are common, which matters for year-round operation.
Still trailerable behind a 3/4-ton — with a caution below.
The deepest used market in the category. Kubota U27, Bobcat E35, Cat 302.5 CR and their peers sell in volume. That means more choice when buying and stronger resale when selling — which is itself a value argument.
The Transport Caution
This is where transport starts to bite.
A 7,000 lb machine plus attachments plus a 3,000 lb trailer is 10,000+ lb. Tongue weight at 12% is roughly 1,200 lb, landing entirely on the truck's rear axle.
3/4-ton minimum, and check payload capacity carefully — it frequently binds before tow rating does.
Many buyers at this class discover they need a bigger truck than they own. Work it out before you buy the machine.
What It Does Well
- General residential and light commercial contracting
- Footings at frost depth in most climates
- Utility installation at code depth
- Septic laterals and system work
- Drainage and site work
- Demolition with a properly matched breaker
- Grading and finish work
- Stump and root removal
- Placing pipe, rock, and structures at reach
Where It Stops
Deeper utility and septic tank excavation frequently needs 4–5 ton.
Basement and foundation excavation is larger-machine work.
Tight residential access — a 3-ton doesn't fit gates a 1 or 2-ton clears.
Configuration
Tail swing. Zero if you work residential backyards, urban sites, or near structures. Conventional if you work open sites and want maximum lift for the weight. This class offers both, and it's the decision that most affects what jobs you can take.
Cab or canopy. Cab for year-round work in hard climates; canopy for better visibility and lower cost.
Auxiliary hydraulics — first and second circuits. Order them.
Order with the machine: a thumb, a quick coupler, and a second bucket width.
New or Used
This class has the best used market, which makes the new-vs-used question sharper here than anywhere else.
Check the undercarriage on anything used — tracks, rollers, idlers, sprockets. Price a full replacement and add it to the purchase price before comparing against new. That comparison flips more often than people expect.
Ask whether it ran a hammer. Hammer hours are the hardest hours a machine takes.
FAQ
Is 3-ton the right size for me?
If your work is general and you're unsure, probably. It's the default for good reasons.
What truck do I need?
3/4-ton minimum. Check payload for tongue weight — it usually binds before tow rating.
Will it reach frost depth?
In most climates, yes. Confirm your local requirement.
Zero tail swing or conventional?
Zero if you work near structures. Conventional for open sites and maximum lift.
Can it run a breaker?
Yes — match both flow and carrier weight rating.
Is the used market good?
The deepest in the category. Good for buyers and good for resale.
Will it fit through a gate?
Generally not a standard residential walk gate. If gate access is essential, look at 1–2 ton.
Do I need a CDL?
Generally not at this class with a typical truck and trailer, but check your combined rated weights.