The best petrol rotavators for breaking ground
When you need to break new ground, nothing beats petrol for sustained power and unlimited run time. Here's how to choose one, and a strong pick at each budget.
Petrol is still the default for serious cultivation. A battery machine is lovely for beds and light work, but for turning a rough patch into a seedbed — especially on heavy soil — the grunt and run time of a petrol engine earn their keep. The questions that matter are engine size, tine type and weight.
Engine size: enough, not maximum
For garden and allotment work, 4–7 hp (around 140–210cc) covers most jobs. Don't chase the biggest engine — a sensible engine on a well-designed, appropriately heavy machine digs better than a big engine bolted to a light frame that bounces.
Front-tine vs rear-tine
Front-tine tillers are lighter, cheaper and perfectly good on soil that's already cultivated. For breaking hard or compacted ground, a rear-tine machine — driven wheels pulling it along while counter-rotating tines dig in — is in a different league. If your ground is tough, that's where the money should go. The terms are all explained in our glossary.
Our petrol picks
| Machine | Width | Power | Weight | Indicative price |
|---|---|---|---|---|
| Hyundai HYT150 | 56 cm | 3.6 hp | 29.5 kg | £200–£300 |
| Einhell GC-MT 3036 | 36 cm | 4 hp | 33.6 kg | £270–£350 |
| Stihl MH 685 | 85 cm | 4.4 hp | 46 kg | £1,300–£1,700 |
| Hyundai HYT175EX | 60 cm | 4.8 hp | 36 kg | £350–£480 |
Best value
Hyundai HYT150
The budget pick that still breaks ground properly. If you want maximum digging for minimum outlay, start here.
Best for: Budget buyers and first-time tiller owners.
from
£200–£300
Best entry-level
Einhell GC-MT 3036
A light, affordable petrol tiller for keeping established beds in good order without stepping up to a big machine.
Best for: Budget-conscious European buyers.
from
£270–£350
Best mid-range
Stihl MH 685
Stihl build quality and dealer support in a capable mid-size tiller — a machine you buy once and keep.
Best for: Larger gardens and tougher ground wanting Stihl quality.
from
£1,300–£1,700
Best for big plots
Hyundai HYT175EX
More width and electric start for bringing larger or rougher ground into cultivation in fewer passes.
Best for: Larger plots on a budget.
from
£350–£480
Prefer something quieter and lower-maintenance? See the electric tillers & cultivators. Only doing this once? Consider hiring instead.
Frequently asked questions
What size petrol engine do I need in a rotavator?
For garden and allotment work, a 4–7 hp engine (roughly 140–210cc) handles most ground. Bigger engines suit wide machines and heavy clay. Engine size matters less than tine design and weight: a well-set-up 5 hp rear-tine machine out-digs a poorly matched bigger one.
Front-tine or rear-tine petrol rotavator?
Front-tine machines are lighter, cheaper and fine for soil that's already been worked. Rear-tine machines, where driven wheels pull the machine while the tines dig, are far better on hard or compacted ground — worth the extra money if you're breaking new ground.
How do I maintain a petrol rotavator?
Keep it simple: fresh fuel, a clean air filter, an annual oil change, and a quick clean of the tines after use. Use a fuel stabiliser or run the carburettor dry before winter storage. Treated well, a good petrol tiller lasts decades.