Mini dumper or tracked carrier: the tipping question, load density against box volume, ground pressure and slope limits, and the trip arithmetic that shows why these machines only pay off on short hauls.
The difference between a mini dumper and a tracked carrier is not size, it is what happens at the destination. A dumper has a hydraulic tipping box and puts material where you want it; a carrier has a fixed box and needs something else to unload it. Get that wrong and you will be shovelling by hand out of a machine that could have tipped. Get the load density wrong and you will be tipping a machine over on a slope it was never rated for.
Both machine types exist for the same reason: a full-size truck cannot reach the work. Orchard rows, hillside terraces, greenhouse bays, paddy margins and narrow site access are all places where the haul distance is short but the machine width is the binding constraint. The choice then comes down to the box, the undercarriage and the slope.
What do the two machines actually carry?
Take two of the smallest machines in the range as a like-for-like comparison.
| Specification | YH-1000 mini dumper | 0.75 t tracked carrier |
|---|---|---|
| Net weight | 880 kg | Not published separately |
| Rated load | 1,000 kg | 750 kg |
| Box size | 1,250 × 780 × 500 mm | 1,200 × 750 × 450 mm |
| Overall size | 2,500 × 900 × 1,560 mm | 1,800 × 750 × 1,200 mm |
| Chassis width | 850 mm | 700 mm |
| Track width | 180 mm | 180 mm |
| Ground contact length | 1,000 mm | Track 180 × 72 × 38 pitch |
| Minimum turning radius | 1,300 mm | Skid steer, effectively near zero |
| Gradeability | 20° | Not published; track-only machine |
| Unloading | Hydraulic tip, 90° dump angle, 1,300 mm discharge clearance | Manual or by a second machine |
| Engine | 420 cm³, 13.5 hp | 186FA class |
The YH-1000 throws its load 90° and clears a 1,300 mm discharge height with a 1,500 mm maximum lift, which is enough to tip directly into a tipper body, a hopper or a raised bin. The 0.75 t tracked carrier does not tip at all. For bulk spoil that is the whole decision.
Which limit do you hit first — weight or volume?
This is the calculation almost nobody does, and it decides how much the machine really carries.
The YH-1000 box is 1,250 × 780 × 500 mm, which is about 0.49 m³ of geometric volume and roughly 0.45 m³ of usable load. Against a 1,000 kg rated load, that means the machine is volumetrically limited on everything lighter than about 2.2 t/m³ and weight limited on everything heavier.
Put real numbers on it:
| Material | Approx. bulk density | In a 0.45 m³ box | Which limit binds |
|---|---|---|---|
| Dry topsoil | 1.3–1.5 t/m³ | 600–680 kg | Volume — you cannot load to the rating |
| Moist clay | 1.8–2.0 t/m³ | 810–900 kg | Volume, just |
| Wet gravel | 2.0–2.1 t/m³ | 900–945 kg | Borderline |
| Crushed rock | 2.4–2.7 t/m³ | 1,080–1,215 kg | Weight — never fill the box |
| Sand, damp | 1.6–1.8 t/m³ | 720–810 kg | Volume |
Two conclusions follow. First, on soil and sand the machine is limited by box volume, so a faster machine or a longer shift does not move more material — box size does. Second, on crushed rock the opposite is true, and a heaped box overloads the machine by 10–20%, which shows up as accelerated track and final-drive wear rather than an immediate failure.
Carriers in the larger sizes — 1, 1.5, 1.8, 2, 3, 4, 6, 8, 10 and 12 t — exist for exactly this reason. When the haul volume matters more than the tip function, the carrier's flat bed takes a bigger load for the same chassis.
What does the undercarriage mean on a slope?
The YH-1000 is rated at 20° gradeability, and that is a figure to respect rather than test. Two separate limits hide behind it.
The first is driving: engine torque against rolling resistance on the gradient. A 13.5 hp engine on an 880 kg machine climbs fine on dry ground at that angle.
The second is stability, and it is worse. The centre of gravity of a tracked dumper rises when the box is raised, and rises further when the box is tipped. A machine rated to climb 20° is not rated to tip at 20° on a cross-slope. On a hillside orchard the working limit is usually the cross-slope, not the climb — and the track centre distance of 670 mm on this machine is what sets it.
Practical rule for orchard terraces: work along the contour with the load, never across the slope, and tip downhill or on the flat. If you have to turn with a full box on a gradient, do it slowly, and be aware that turning on a slope shifts the load to the outside track.
What about ground pressure and surface damage?
Do the division and the numbers are useful. On 180 mm tracks with a 1,000 mm ground contact length, the contact area is 0.36 m². Empty, at 880 kg, that is about 24 kPa. Loaded to 1,880 kg, about 51 kPa.
For comparison, a person walking applies far more than that in point load, but a person is not crossing the same ground 200 times a day. Orchard and turf work is about repeated passes. Below roughly 25 kPa you can cross a lawn or a golf fairway without a visible rut; at 50 kPa you will rut damp turf on the second or third pass.
If the route is grass and the season is wet, the answer is not a different machine — it is the same machine with a lighter load per trip, or laid track panels over the worst section.
How many trips does the route really cost?
These machines are bought for short hauls, and the arithmetic shows why. Take a 120 m one-way route with a YH-1000 carrying moist soil.
At the published 5 km/h travel speed, 120 m takes about 1.4 minutes. The empty return is roughly 1.2 minutes. Loading with a mini excavator takes about a minute, tipping 20–30 seconds, and allow half a minute for positioning at each end. That puts the cycle at roughly 4.5 minutes — about 13 trips an hour with no breaks.
At 675 kg of soil per trip, that is around 8.8 t/h, or roughly 6 m³/h of spoil. A 100 m³ excavation therefore takes about 16 hauling hours, which is two full days for one small excavator to move its own spoil on a 120 m haul.
Now double the route. At 240 m the travel legs take 2.8 and 2.4 minutes, the cycle stretches to about 7 minutes, trips fall to 8.5 an hour and the same 100 m³ takes 25 hours. Route length, not load rating, dominates the result. Below roughly 100 m these machines are efficient; past about 300 m a wheeled dumper, or a small tractor and trailer on any firm surface, will beat them on cost per cubic metre.
That is the same argument for buying by box volume. On soil the machine is volume limited, so the only way to move more spoil per hour without adding trips is a bigger box — which is exactly what the larger tracked carriers in the range provide.
When should you buy neither machine?
Do not buy a carrier if you are moving bulk spoil. You will dig it out of the box by hand at the far end, every trip, and lose the advantage you paid for.
Do not buy a dumper if you are moving pallets, pipes, long timber or crates. A tipping box is the wrong shape and the tip function is dead weight. A flat-bed carrier with drop sides is the right tool.
Do not buy either if the haul route is a finished concrete surface and the distance is long. At 5 km/h and 750–1,000 kg per trip the cycle time becomes the cost driver, and a small wheeled dumper or a compact tractor and trailer will beat both machines on a paved route.
Do not buy on rated load alone. On soil you will never reach the rating because the box fills first. Size the machine on box volume against the material you actually move.
What should you check in the specification?
Six figures: box volume in cubic metres, not just rated load; chassis width, because that is what fits between the rows; the track centre distance, because it sets lateral stability on slopes; gradeability with the rated load, not empty; discharge height, if you intend to tip into a truck or hopper; and the minimum turning radius, because orchard headlands are shorter than they look.
Ask for the ground pressure at rated load as well. Any manufacturer who builds tracked haulers can produce that number, and if it is missing the machine was probably never tested on turf.
Frequently asked questions
Can a tracked carrier be fitted with a tipping box? Sometimes, as a variant. If tipping is what you need, buy the dumper version — a retrofitted tip mechanism on a carrier frame is rarely designed for the torsional load and usually appears on the machine as cracked welds.
Do these machines need a licence or registration? On private land, generally no. On public roads, in most markets, yes — and they usually will not comply. Plan the haul route to stay off public roads.
What is the fuel consumption? The YH-1000 has a 6.5 L tank on a 13.5 hp 420 cm³ engine. In continuous work expect to refuel within a shift. That is normal for this class and worth planning around on remote sites.
Are the tracks the same across both machine types? Both the YH-1000 and the 0.75 t carrier run 180 mm tracks, so in this size class the track is standardised. That is good news for spares availability.
How steep is too steep for a loaded dumper? If the machine is rated at 20° and you are working a slope that looks like 20°, you are already at the limit. Measure it — a 20% slope is 11°, and most people overestimate gradient badly when standing on it.
Next step
Decide from the material, not the length of the route. Bulk spoil that has to be placed means a dumper. Pallets, pipes, timber and crates mean a carrier. And check box volume against the bulk density of what you move, because on soil the box fills long before the load rating is reached.
Tell us the material, the route gradient and the narrowest point on the route, and we will recommend the machine and the size together. Browse the mini dump trucks or the tracked carriers range, or read the mini excavator tonnage guide if the digging machine that loads them is still undecided.