ROTATING WOOD GRAPPLE
The RWG rotating wood grapple is an ideal tool for handling lumber. The hydraulic wood grapple allows wide opening widths and load capacity while featuring a tight closing. Rockwater’s RWG series are designed to grip and bundle lumber and wood faster and safer than others. This wood grapple is your choice for sorting, stacking, loading and unloading lumber and logs.
Product Features
- Rotates 360⁰ clockwise and counter-clockwise.
- Lever controlled operation facilitators for loading and unloading log.
- Rotating speed is adjustable by operator.
- Equipped with oil flow control valve and motor protection mechanism.
- Equipped with specially designed swing bearing for durability and large cylinder for power.
- Wear resistant steel (AR500 & API 70) is used and requires no extra reinforcement.
- Flexible choices dependent on job requirement.
- Lever controlled operation facilitates loading and unloading of logs.
- Highly reliable and efficient.
SPECIFICATION
| Model | Unit | RWG03 | RWG04 | RWG06 | RWG07 | RWG08 | RWG09 | RWG10 | RWG12 | RWG16 | RWG20 |
| Weight | lb | 750 | 915 | 1,543 | 1,587 | 2,502 | 2,557 | 3,472 | 3,516 | 4,850 | 5,313 |
| Jaw Opening | in/in. | 51 | 55 | 71 | 71 | 79 | 79 | 87 | 91 | 98 | 106 |
| A | lb | 51 | 55 | 71 | 71 | 79 | 79 | 87 | 91 | 98 | 106 |
| B | in/in. | 5 | 6 | 7 | 7 | 7.5 | 7.5 | 8 | 8.3 | 8.7 | 9.5 |
| C | in/in. | 33 | 38 | 44 | 44 | 52 | 52 | 57 | 57 | 64 | 70 |
| Z | in2 | 372 | 419 | 744 | 744 | 961 | 961 | 1,163 | 1,163 | 1,581 | 1,814 |
| Pincer Operationg Pressure | psi | 2,465-3,626 | 2,756-4,061 | 2,901-5,076 | 2,901-5,076 | 3,191-5,076 | 3,191-5,076 | 3,191-5,076 | 3,191-5,076 | 3,191-5,076 | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 11-16 | 11-16 | 24-30 | 24-30 | 26-48 | 26-48 | 32-53 | 32-53 | 32-53 | 32-53 |
| Pincer Recommended Pressure | psi | 3,045 | 3,045 | 3,626 | 3,626 | 3,626 | 3,626 | 3,626 | 3,626 | 3,626 | 3,626 |
| Rotating Operating Pressure | psi | 1,885-2,176 | 1,885-2,176 | 2,031-2,321 | 2,031-2,321 | 2,176-2,466 | 2,176-2,466 | 2,176-2,466 | 2,176-2,466 | 2,176-2,466 | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 8-13 | 8-13 | 11-16 | 11-16 | 11-16 | 11-16 | 11-16 | 11-16 | 11-16 | 11-16 |
| Closing Force | lb | 44,000 | 56,000 | 100,000 | 100,000 | 134,000 | 134,000 | 158,000 | 158,000 | 186,000 | 186,000 |
| Load Capacity | lb | 2,200 | 2,200 | 13,228 | 13,228 | 13,228 | 13,228 | 22,046 | 22,046 | 36,376 | 39,683 |
| Applicable Carrier | lb | 8,960-11,200 | 13,440-22,400 | 24,640-40,320 | 33,600-49,280 | 44,800-53,760 | 53,760-67,200 | 58,240-71,680 | 73,920-80,640 | 82,880-100,800 | 89,600-112,000 |
| ton | 4-5 | 6-10 | 11-18 | 15-22 | 20-24 | 24-30 | 26-32 | 33-36 | 37-45 | 40-50 |
| Model | Unit | RWG03 |
| Weight | lb | 750 |
| Jaw Opening | in/in. | 51 |
| A | lb | 51 |
| B | in/in. | 5 |
| C | in/in. | 33 |
| Z | in2 | 372 |
| Pincer Operationg Pressure | psi | 2,465-3,626 |
| Pincer Required Oil Flow | gpm | 11-16 |
| Pincer Recommended Pressure | psi | 3,045 |
| Rotating Operating Pressure | psi | 1,885-2,176 |
| Rotating Required Oil Flow | gpm | 8-13 |
| Closing Force | lb | 44,000 |
| Load Capacity | lb | 2,200 |
| Applicable Carrier | lb | 8,960-11,200 |
| ton | 4-5 |
| Model | Unit | RWG04 |
| Weight | lb | 915 |
| Jaw Opening | in/in. | 55 |
| A | lb | 55 |
| B | in/in. | 6 |
| C | in/in. | 38 |
| Z | in2 | 419 |
| Pincer Operationg Pressure | psi | 2,756-4,061 |
| Pincer Required Oil Flow | gpm | 11-16 |
| Pincer Recommended Pressure | psi | 3,045 |
| Rotating Operating Pressure | psi | 1,885-2,176 |
| Rotating Required Oil Flow | gpm | 8-13 |
| Closing Force | lb | 56,000 |
| Load Capacity | lb | 2,200 |
| Applicable Carrier | lb | 13,440-22,400 |
| ton | 6-10 |
| Model | Unit | RWG06 |
| Weight | lb | 1,543 |
| Jaw Opening | in/in. | 71 |
| A | lb | 71 |
| B | in/in. | 7 |
| C | in/in. | 44 |
| Z | in2 | 744 |
| Pincer Operationg Pressure | psi | 2,901-5,076 |
| Pincer Required Oil Flow | gpm | 24-30 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,031-2,321 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 100,000 |
| Load Capacity | lb | 13,228 |
| Applicable Carrier | lb | 24,640-40,320 |
| ton | 11-18 |
| Model | Unit | RWG07 |
| Weight | lb | 1,587 |
| Jaw Opening | in/in. | 71 |
| A | lb | 71 |
| B | in/in. | 7 |
| C | in/in. | 44 |
| Z | in2 | 744 |
| Pincer Operationg Pressure | psi | 2,901-5,076 |
| Pincer Required Oil Flow | gpm | 24-30 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,031-2,321 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 100,000 |
| Load Capacity | lb | 13,228 |
| Applicable Carrier | lb | 33,600-49,280 |
| ton | 15-22 |
| Model | Unit | RWG08 |
| Weight | lb | 2,502 |
| Jaw Opening | in/in. | 79 |
| A | lb | 79 |
| B | in/in. | 7.5 |
| C | in/in. | 52 |
| Z | in2 | 961 |
| Pincer Operationg Pressure | psi | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 26-48 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 134,000 |
| Load Capacity | lb | 13,228 |
| Applicable Carrier | lb | 44,800-53,760 |
| ton | 20-24 |
| Model | Unit | RWG09 |
| Weight | lb | 2,557 |
| Jaw Opening | in/in. | 79 |
| A | lb | 79 |
| B | in/in. | 7.5 |
| C | in/in. | 52 |
| Z | in2 | 961 |
| Pincer Operationg Pressure | psi | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 26-48 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 134,000 |
| Load Capacity | lb | 13,228 |
| Applicable Carrier | lb | 53,760-67,200 |
| ton | 24-30 |
| Model | Unit | RWG10 |
| Weight | lb | 3,472 |
| Jaw Opening | in/in. | 87 |
| A | lb | 87 |
| B | in/in. | 8 |
| C | in/in. | 57 |
| Z | in2 | 1,163 |
| Pincer Operationg Pressure | psi | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 32-53 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 158,000 |
| Load Capacity | lb | 22,046 |
| Applicable Carrier | lb | 58,240-71,680 |
| ton | 26-32 |
| Model | Unit | RWG12 |
| Weight | lb | 3,516 |
| Jaw Opening | in/in. | 91 |
| A | lb | 91 |
| B | in/in. | 8.3 |
| C | in/in. | 57 |
| Z | in2 | 1,163 |
| Pincer Operationg Pressure | psi | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 32-53 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 158,000 |
| Load Capacity | lb | 22,046 |
| Applicable Carrier | lb | 73,920-80,640 |
| ton | 33-36 |
| Model | Unit | RWG16 |
| Weight | lb | 4,850 |
| Jaw Opening | in/in. | 98 |
| A | lb | 98 |
| B | in/in. | 8.7 |
| C | in/in. | 64 |
| Z | in2 | 1,581 |
| Pincer Operationg Pressure | psi | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 32-53 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 186,000 |
| Load Capacity | lb | 36,376 |
| Applicable Carrier | lb | 82,880-100,800 |
| ton | 37-45 |
| Model | Unit | RWG20 |
| Weight | lb | 5,313 |
| Jaw Opening | in/in. | 106 |
| A | lb | 106 |
| B | in/in. | 9.5 |
| C | in/in. | 70 |
| Z | in2 | 1,814 |
| Pincer Operationg Pressure | psi | 3,191-5,076 |
| Pincer Required Oil Flow | gpm | 32-53 |
| Pincer Recommended Pressure | psi | 3,626 |
| Rotating Operating Pressure | psi | 2,176-2,466 |
| Rotating Required Oil Flow | gpm | 11-16 |
| Closing Force | lb | 186,000 |
| Load Capacity | lb | 39,683 |
| Applicable Carrier | lb | 89,600-112,000 |
| ton | 40-50 |