Bobcat SG84 Large Stump GrinderPremium
🟡 High Flow
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Overview
The Bobcat SG84 is a large-capacity stump grinder for full-size Bobcat skid steers with an 84-inch overall width. Designed for heavier commercial stump grinding on lot clearing and tree service work. The larger cutting sweep handles bigger stumps in fewer passes. Available through Bobcat dealers across Canada.
Canada Availability
Available through Bobcat dealers across Canada.
Key Facts
- Model: Bobcat SG84
- Brand: Bobcat
- Type: large hydraulic stump grinder
- Drive: high-flow hydraulic motor
- Mount: Bob-Tach (Bobcat quick attach)
- Application: commercial stump removal, large-frame machines
- Weight: 800–2500 lbs
- Hydraulic flow: 18–35 GPM
Is This Right For You?
✅ Buy if…
- You grind hardwood stumps over 18 inches diameter — large oaks, maples, or elms that standard grinders struggle with
- Production tree service or land clearing where stump count and diameter are high
- Your large-frame skid steer has the hydraulic flow and lift capacity to run a heavy grinder effectively
⛔ Skip if…
- Most of your stumps are under 12 inches — a standard grinder completes those faster with less wear
- Your machine is compact or mid-frame — a heavy grinder may exceed carrier capacity
🔍 Also consider…
- Standard stump grinder for typical residential and light commercial stump removal
- Side-shift stump grinder if you work near obstacles frequently
🔧 Machine Compatibility
Designed for Bobcat machines but mounts to any skid steer or CTL with a universal SSQA quick-attach plate.
About Bobcat in Canada
Bobcat is one of the most recognized skid steer brands in Canada, with a dealer presence in every province. Their OEM attachments are engineered specifically for Bobcat machines but use universal SSQA mounts for cross-brand compatibility.
Care & Maintenance
- Check carbide tooth torque before every use — loose teeth eject at high RPM and can cause catastrophic cutterhead damage or injury
- Replace carbide teeth in matching pairs (left-right balance) to maintain cutterhead balance and reduce destructive vibration
- Grease cutterhead drive spindle bearings after every 4 hours of operation — grinding generates significant heat and vibration that accelerates lubricant breakdown
- Clean wood chips and soil from the motor ventilation shroud and belt drive area after every use — blocked ventilation causes motor overheating
- Inspect hydraulic motor fittings for loosening after hard-material sessions — the constant vibration of grinding loosens threaded fittings progressively
✅ Last checked: March 2026
Source: skidsteerattachments.ca/catalog/stump-grinders/bobcat-stump-grinder-sg84/
