Hydraulic valve block
A hydraulic valve block supports the cutting operation.
SPS · Construction
Forestry Attachments
Attachments for timber cutting, handling and harvesting.
SGS Series
SPS Grapple Saw
An attachment for cutting, clamping and loading timber.
Explore the SGS Series and compare the five models to find the specifications for your application.
Product features
Cut, clamp and load
Clamping mechanism
The grapple clamps timber for handling and loading.
Electric pump lubrication
An electric pump lubrication system supplies lubrication during cutting.
Applications
Timber handling and cleanup
- Post-typhoon cleanup
- Branch trimming along highways
- Timber sectioning in forestry operations
SGS Series
Compare specifications
Five models, from SGS-60W to SGS-180W.
| Model | SGS-60W | SGS-90W | SGS-100W | SGS-150W | SGS-180W |
|---|---|---|---|---|---|
| Weight | 420 Kg | 595 Kg | 710 Kg | 858 Kg | 1450 Kg |
| Max Opening Width | 1048 mm | 1474 mm | 1538 mm | 1877 mm | 2157 mm |
| Maximum Cutting Diameter | 350 mm | 320 mm | 500 mm | 660 mm | 800 mm |
| Lubrication Oil Tank Capacity | 4L | 5L | 5L | 4.5L | 6L |
| Guide Bar | 18” | 18”/25” | 25” | 30” | 30” |
| Working Pressure | 22-26 MPa | 22-26 MPa | 22-26 MPa | 24-28 MPa | 24-28 MPa |
| Max Gripping Weight | 300 Kg | 900 Kg | 1200 Kg | 2500 Kg | 3000 Kg |
| Applicable Excavator | 6-7 ton | 8-11 ton | 12-15 ton | 15-18 ton | 20-25 ton |
SGS-60W
- Weight
- 420 Kg
- Max Opening Width
- 1048 mm
- Maximum Cutting Diameter
- 350 mm
- Lubrication Oil Tank Capacity
- 4L
- Guide Bar
- 18”
- Working Pressure
- 22-26 MPa
- Max Gripping Weight
- 300 Kg
- Applicable Excavator
- 6-7 ton
SGS-90W
- Weight
- 595 Kg
- Max Opening Width
- 1474 mm
- Maximum Cutting Diameter
- 320 mm
- Lubrication Oil Tank Capacity
- 5L
- Guide Bar
- 18”/25”
- Working Pressure
- 22-26 MPa
- Max Gripping Weight
- 900 Kg
- Applicable Excavator
- 8-11 ton
SGS-100W
- Weight
- 710 Kg
- Max Opening Width
- 1538 mm
- Maximum Cutting Diameter
- 500 mm
- Lubrication Oil Tank Capacity
- 5L
- Guide Bar
- 25”
- Working Pressure
- 22-26 MPa
- Max Gripping Weight
- 1200 Kg
- Applicable Excavator
- 12-15 ton
SGS-150W
- Weight
- 858 Kg
- Max Opening Width
- 1877 mm
- Maximum Cutting Diameter
- 660 mm
- Lubrication Oil Tank Capacity
- 4.5L
- Guide Bar
- 30”
- Working Pressure
- 24-28 MPa
- Max Gripping Weight
- 2500 Kg
- Applicable Excavator
- 15-18 ton
SGS-180W
- Weight
- 1450 Kg
- Max Opening Width
- 2157 mm
- Maximum Cutting Diameter
- 800 mm
- Lubrication Oil Tank Capacity
- 6L
- Guide Bar
- 30”
- Working Pressure
- 24-28 MPa
- Max Gripping Weight
- 3000 Kg
- Applicable Excavator
- 20-25 ton
The above specifications are subject to change without prior notice for improvement.
Product views
A closer look
STH Series
Timber Harvester Head
Designed for felling, delimbing, feeding and length measurement in forestry harvesting operations.
SPS
STH-360
Matching excavator: 12–15 ton
SPS
STH-560
Matching excavator: 13–17 ton
SPS
STH-600
Matching excavator: 20–25 ton
SPS
STH-860
Matching excavator: 20–30 ton
Cut and delimb
A saw unit and delimbing knives process the timber.
Feed and measure
Feed wheels move the timber through the head, with a length measuring system.
Control and rotate
Hydraulic and intelligent control systems support the harvesting operation.
Compare specifications
| Specification | STH-360 | STH-560 | STH-600 | STH-860 |
|---|---|---|---|---|
| Weight (kg) | 700 ±20 | 1200 ±20 | 1380 ±20 | 1600 ±30 |
| Length (mm) | 1500 ±50 | 1500 ±50 | 1500 ±50 | 1560 ±50 |
| Width (mm) | 850–1250 | 1000–1500 | 1000–1500 | 1150–1650 |
| Maximum felling diameter (mm) | 350 ±10 | 500 ±10 | 600 ±10 | 850 ±10 |
| Chain speed (m/s) | 50 ±5 | 50 ±5 | 50 ±5 | 50 ±5 |
| Minimum clamping diameter (mm) | 40 ±5 | 40 ±5 | 40 ±5 | 100 ±5 |
| Maximum debranching diameter (mm) | 350 ±10 | 430 ±10 | 430 ±10 | 430 ±10 |
| Feed wheels | 2 rollers | 2 rollers | 2 rollers | 2 rollers |
| Auxiliary feed wheels | 0 rollers | 1 roller | 1 roller | 1 roller |
| Feeder motor displacement (cc) | 2 × 398 | 2 × 376 + 2 × 250 | 2 × 468 + 2 × 332 | 2 × 750 + 2 × 500 |
| Feeding speed (m/s) | 0–5 ±1 | 0–6 ±1 | 0–6 ±1 | 0–5 ±1 |
| Feeding traction (kN) | 15 ±5 | 30 ±5 | 37 ±5 | 37 ±5 |
| Quantity of knives | 4+1 | 4+1+1 | 4+1+1 | 4+1+1 |
| Flow requirement (L/min) | 180 | 300 ±10 | 300 ±10 | 300 ±10 |
| Operating pressure (MPa) | 23 ±2 | 30 ±2 | 30 ±2 | 30 ±2 |
| Control system | Timberwolves 1.0 | Timberwolves 2.0 | Timberwolves 2.0 | Timberwolves 2.0 |
| Matching excavator (ton) | 12–15 | 13–17 | 20–25 | 20–30 |
Ask SPS ENG to confirm the attachment and hydraulic requirements for your excavator.
Inquire about Harvester HeadsProduct inquiry
SPS Forestry Attachments
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