
- Hollow plunger design, applicable to pushing or pulling.
- Anti-corrosion painted surface.
- Equipped with a 3/8 NPT coupler and a protection cap.
- Longer strokes can be customized as requested
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Dimensional Drawing

Specification Table
Metric System
| Capacity ton(KN) | Stroke H(mm) | Model | Cylinder max capacity(KN) | Effective area (cm2) | Oil capacity (cm3) | Collapsed height A(mm) | Extended height B(mm) | Outside diameter D(mm) | Bore diameter E(mm) | Plunger diameter F(mm) | Hole diameter Y(mm) | Weight kg | |||
| Advance | Retract | Advance | Retract | Advance | Retract | ||||||||||
| 30 | 178 | RRH30-178 | 326 | 213 | 46.6 | 30.4 | 829 | 541 | 330 | 508 | 114 | 89 | 65 | 33.3 | 21 |
| 258 | RRH30-258 | 326 | 213 | 46.6 | 30.4 | 1202 | 784 | 431 | 689 | 114 | 89 | 65 | 33.3 | 27 | |
| 60 | 89 | RRH60-89 | 576 | 380 | 82.3 | 54.2 | 733 | 482 | 247 | 336 | 159 | 124 | 92 | 53.8 | 28 |
| 166 | RRH60-166 | 576 | 380 | 82.3 | 54.2 | 1366 | 900 | 323 | 489 | 159 | 124 | 92 | 53.8 | 35 | |
| 257 | RRH60-257 | 576 | 380 | 82.3 | 54.2 | 2115 | 1393 | 438 | 695 | 159 | 124 | 92 | 53.8 | 45 | |
| 100 | 38 | RRH100-38 | 931 | 612 | 133 | 87.4 | 505 | 333 | 165 | 203 | 212 | 165 | 127 | 79.2 | 33 |
| 76 | RRH100-76 | 931 | 612 | 133 | 87.4 | 1011 | 666 | 254 | 330 | 212 | 165 | 127 | 79.2 | 61 | |
| 153 | RRH100-153 | 931 | 612 | 133 | 87.4 | 2035 | 1337 | 342 | 495 | 212 | 165 | 127 | 79.2 | 79 | |
| 257 | RRH100-257 | 931 | 612 | 133 | 87.4 | 3402 | 2246 | 460 | 717 | 212 | 165 | 127 | 79.2 | 106 | |
| 150 | 76 | RRH150-76 | 1429 | 718 | 204.1 | 102.6 | 4144 | 2083 | 349 | 552 | 247 | 190 | 152 | 79.2 | 111 |
Imperial System
| Capacity ton | Stroke H(in) | Model | Cylinder max capacity(kips) | Effective area (in²) | Oil capacity (in³) | Collapsed height A(in) | Extended height B(in) | Outside diameter D(in) | Bore diameter E(in) | Plunger diameter F(in) | Hole diameter Y(in) | Weight lb | |||
| Advance | Retract | Advance | Retract | Advance | Retract | ||||||||||
| 30 | 7.01 | RRH30-178 | 73.3 | 47.9 | 7.22 | 4.71 | 50.59 | 33.01 | 12.99 | 20.00 | 4.49 | 3.50 | 2.56 | 1.31 | 46.30 |
| 10.16 | RRH30-258 | 73.3 | 47.9 | 7.22 | 4.71 | 73.35 | 47.84 | 16.97 | 27.13 | 4.49 | 3.50 | 2.56 | 1.31 | 59.52 | |
| 60 | 3.50 | RRH60-89 | 129.5 | 85.4 | 12.76 | 8.40 | 44.73 | 29.41 | 9.72 | 13.23 | 6.26 | 4.88 | 3.62 | 2.12 | 61.73 |
| 6.54 | RRH60-166 | 129.5 | 85.4 | 12.76 | 8.40 | 83.35 | 54.92 | 12.72 | 19.25 | 6.26 | 4.88 | 3.62 | 2.12 | 77.16 | |
| 10.12 | RRH60-257 | 129.5 | 85.4 | 12.76 | 8.40 | 129.07 | 85.00 | 17.24 | 27.36 | 6.26 | 4.88 | 3.62 | 2.12 | 99.21 | |
| 100 | 1.50 | RRH100-38 | 209.3 | 137.6 | 20.62 | 13.55 | 30.82 | 20.32 | 6.50 | 7.99 | 8.35 | 6.50 | 5.00 | 3.12 | 72.75 |
| 2.99 | RRH100-76 | 209.3 | 137.6 | 20.62 | 13.55 | 61.69 | 40.64 | 10.00 | 12.99 | 8.35 | 6.50 | 5.00 | 3.12 | 134.48 | |
| 6.02 | RRH100-153 | 209.3 | 137.6 | 20.62 | 13.55 | 124.17 | 81.59 | 13.46 | 19.49 | 8.35 | 6.50 | 5.00 | 3.12 | 174.16 | |
| 10.12 | RRH100-257 | 209.3 | 137.6 | 20.62 | 13.55 | 207.58 | 137.05 | 18.11 | 28.23 | 8.35 | 6.50 | 5.00 | 3.12 | 233.69 | |
| 150 | 2.99 | RRH150-76 | 321.3 | 161.4 | 31.64 | 15.90 | 252.88 | 127.10 | 13.74 | 21.73 | 9.72 | 7.48 | 5.98 | 3.12 | 244.71 |
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For all service inquiries, please fill out the form in detail.
- All products are designed to exceed global data standards for high-pressure hydraulic equipment.
- Each product will undergo rigorous physical testing before shipping to ensure product quality.
- All products have passed the quality inspection of ISO9001 and EU CE and other institutions.
- Provide safe and reliable tools and industry-leading after-sales service, all products come with a 12 months comprehensive warranty service.
- The stock is sufficient and can be delivered quickly after the user places an order.
- Sufficient spare parts inventory is used for quick maintenance and long-term product operation.

