Head to head
Barreto Manufacturing 30SG vs Bosch Professional GSB 18V-90 C
The Barreto Manufacturing 30SG is a hydraulic tracked stump grinder. The Bosch Professional GSB 18V-90 C is a 18v brushless combi drill/driver with bluetooth connectivity.
Last reviewed 13 September 2026

Specifications side by side
| Barreto Manufacturing 30SG | Bosch Professional GSB 18V-90 C | |
|---|---|---|
| Weight | 1,700 lb | 1.2 kg (excl. battery) |
| Engine | 31hp Briggs & Stratton Vanguard V-twin | - |
| Cutting wheel diameter | 19.2" to tooth | - |
| Cutting depth | 12" | - |
| Max torque | - | 65 / 36 Nm (hard/soft) |
| Chuck | - | 13mm metal |
| No-load speed | - | 0-630 / 0-2100 rpm |
| Impact rate | - | 29,500 bpm |
Sources: Barreto Manufacturing 30SG, Bosch Professional GSB 18V-90 C. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the 30SG if...
A tracked, hydraulically driven stump grinder built for tree surgeons and landscapers clearing stumps on soft or uneven ground. Independent hydrostatic tracks let it work in places a wheeled grinder cannot reach.
Listed by
- The Hire Supply Co UK Ltd - London
Buy or hire the GSB 18V-90 C if...
This combi drill sits in Bosch Professional's Biturbo 18V range for builders who want connected tool tracking alongside solid drilling performance. It is a common counterpart to the corded GBH 2-28 F for buyers moving their kit over to battery power.
Full GSB 18V-90 C specifications →Common questions
What is the difference between the Barreto Manufacturing 30SG and the Bosch Professional GSB 18V-90 C?
The Barreto Manufacturing 30SG is a hydraulic tracked stump grinder; the Bosch Professional GSB 18V-90 C is a 18V brushless combi drill/driver with Bluetooth connectivity.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.
