
JSG-DL20 Fixed Hydraulic Log Grapple — 1500 mm Opening
20 tonne class, 1500 mm jaw opening, two cylinders and 100–140 L/min oil flow.


Excavator Log Grapples & Timber Grabs
JT-02 is the 4–6 tonne rotating-grapple configuration with a 1, 322 mm opening, 407 mm jaw width and 350–370 kg attachment weight. The 360° rotator orients material independently of the gripping movement. Rotation and jaw-cylinder connections have separate pressure requirements.
| Model / part number | JIANGTU JT02 |
|---|---|
| Excavator class | 4–6 t |
| Rotation | 360° |
| Jaw opening A | 1322 mm |
| Jaw width C | 407 mm |
| Weight | 350–370 kg |
| Rotation motor flow | 30–55 L/min |
| Rotation motor pressure | 110–120 kg/cm² |
| Jaw-cylinder flow | 30–55 L/min |
| Jaw-cylinder pressure | 160–200 kg/cm² |
For sorting branches, short logs or irregular loose material, the rotator aligns the load with the receiving position. The jaw opening measures entry space; the 407 mm width describes the gripping section. The excavator’s lift chart and working radius define the loaded combination after the 350–370 kg grapple and mounting are included.
The JT-02 table gives 110–120 kg/cm² for the rotation motor and 160–200 kg/cm² for the jaw cylinder. Both flow entries are 30–55 L/min. The controls and hydraulic drawing need to command the two functions while supplying their respective pressure circuits.
| Function | Flow | Pressure |
|---|---|---|
| Rotate | 30–55 L/min | 110–120 kg/cm² |
| Grip | 30–55 L/min | 160–200 kg/cm² |
Choose the carrier and hydraulic circuits before comparing the opening. The adjacent models are distinct assemblies, with different mass and gripping envelope.
| Model | Carrier | Opening | Width | Weight |
|---|---|---|---|---|
| JT01 | 3–4 t | 1, 222 mm | 330 mm | 240–260 kg |
| JT-02 | 4–6 t | 1, 322 mm | 407 mm | 350–370 kg |
| JT-04 | 6–9 t | 1, 525 mm | 470 mm | 420–450 kg |
The mounting, rotation motor/rotator, jaw-cylinder assembly and pivot joints are separate order groups. Add cylinder seals, pivot pins/bushes and the hose fittings with their positions. Keep the rotator and cylinder markings with the first order for later repair-part identification.
The configuration serves 4–6 tonne excavators, with a 1, 322 mm opening and 350–370 kg weight.
The manufacturer gives separate entries: 110–120 kg/cm² for the rotation motor and 160–200 kg/cm² for the jaw cylinder. Both functions list 30–55 L/min.
Opening is a geometric dimension. The carrier lift chart, attachment mass and working radius define the lifted combination.
JT01 is the adjacent rotating configuration, with a 1, 222 mm opening, 330 mm width and 240–260 kg weight.

20 tonne class, 1500 mm jaw opening, two cylinders and 100–140 L/min oil flow.

36 tonne class, 360° continuous rotation, 1800 mm opening and 2100 kg attachment weight.
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