Product nameGRA-ER
Short descriptionLog grapples for rigid installation on excavators. Designed for intensive forestry operations including tree care, pruning and felling. 3+2 fingers configuration.
Key features- Bronze bushings in all pins for reliable lubrication
- S700 blades for high strength and reduced weight
- Single central cylinder with two spacing rods for uniform pushing action
- Reinforced head suitable for intensive use
- Slew ring rotation included
Application / Capacity6 – 20 TON (excavators)
OptionalExcavator coupling available as optional accessory
Technical tableEXCAVATORS | TON | 1-2 | 2-5 | 5-12 | 12-20
MODEL | | GRA-ER 16R | GRA-ER 22R | GRA-ER 26 | GRA-ER 42
FINGERS | | 3+2 | 3+2 | 3+2 | 3+2
WEIGHT (kg) | | 165 | 242 | 398 | 722
AREA (m2) | | 0.16 | 0.22 | 0.26 | 0.42
MAX LOAD (kg) | | 1000 | 2500 | 3000 | 5000
CLAMPING FORCE (daN) | | 800 | 1275 | 1700 | 2300
MAX PRESSURE (bar) | | 250 | 250 | 250 | 250
MAX FLOW RATE (lt/min) | | 50 | 50 | 50 | 50
NotesSlew ring rotation is included. Reinforced head and central single cylinder with two spacing rods provide uniform push and make the unit suitable for intensive forestry use.
Technical specifications- Product family: GRA-ER
- Installation: Rigid
- Use: Intensive — forestry, tree care, pruning, felling
- Fingers configuration: 3+2
- Pin lubrication: Bronze bushings in all pins
- Blade material: S700 blades for high strength and low weight
- Drive: Single central cylinder with two spacing rods (uniform push)
- Rotation: Slew ring rotation included
- Models available: GRA-ER 16R, GRA-ER 22R, GRA-ER 26, GRA-ER 42
- Weight (kg) by model: 165, 242, 398, 722
- Area (m2) by model: 0.16; 0.22; 0.26; 0.42
- Max load (kg) by model: 1000; 2500; 3000; 5000
- Clamping force (daN) by model: 800; 1275; 1700; 2300
- Max pressure: 250 bar (typical)
- Max flow rate: 50 lt/min (typical)