
Large Pipe Layer
📌 The SP90Y pipe layer is a 90-ton professional pipe laying machine with an operating weight of 55 tons. This heavy-duty pipe layer adopts a reliable Cummins NTA855-C360S10 engine with a rated power of 257kW, and is specially designed for pipeline laying, heavy pipe lifting and engineering installation projects. Combining stability, safety, flexibility and easy maintenance, the SP90Y pipe layer has become ideal equipment for oil, natural gas and water pipeline construction worldwide.
The track frame and main frame of the SP90Y pipe layer are rigidly connected. Equipped with extended and widened tracks and freely adjustable counterweights, the whole machine achieves extremely high chassis stability. It effectively prevents tilting and shaking during heavy pipe lifting, side lifting and slope-crossing operations, adapting to muddy, uneven and complex outdoor construction terrain.
All speed change, steering and throttle controls are centrally arranged on the left side of the cab, making operation flexible and convenient. The working device is controlled by a pressure-reducing pilot valve, which is labor-saving, sensitive and precise, with excellent fine-tuning performance. The reasonable joystick layout avoids misoperation, greatly reduces fatigue from long-term work and improves operating comfort.
To ensure construction safety, the SP90Y pipe layer is equipped with a boom limit mechanism, a hook over-hoist protection device and a free-fall hook function. Multiple physical safety configurations effectively avoid equipment failures and construction risks during pipe lifting, laying and installation, ensuring stable and safe operation of high-intensity pipeline projects.
The machine supports flexible speed control of hook lifting/lowering and boom luffing actions. All operating actions respond quickly and smoothly, greatly shortening the cycle time for single-pipe lifting and installation. It perfectly meets the needs of large-scale, high-frequency pipeline laying construction and significantly improves overall project efficiency.
The machine is equipped with an intelligent chassis electronic monitor for centralized real-time monitoring and automatic fault alarms, eliminating hidden dangers in advance. An optional moment limiter can accurately display boom angle, working radius, lifting height and lifting weight. It triggers alarms and limits overload actions to achieve intelligent safety protection.
The boom and counterweight structures adopt a quick-release design. All detachable parts can be easily disassembled and assembled at the construction site without professional large-scale equipment. This greatly reduces transportation difficulty and logistics costs, enabling rapid relocation and commissioning between different construction sites.
The SP90Y pipe layer adopts an original Cummins NTA855-C360S10 diesel engine with a rated power of 257kW, featuring strong power reserve, low fuel consumption and stable output. The engine offers excellent durability and adaptability to harsh environments, supports long-term continuous heavy-load operation and reduces the overall equipment failure rate.
We manufacture core components such as gearboxes, torque converters and structural parts independently. The self-developed gearbox perfectly matches the engine power curve. The heavy-duty pin frame structure can withstand high impact loads and torsional forces. The extended half shafts and gear hubs further widen the track center distance, making the whole machine more durable and stable in long-term heavy-duty construction.
| Basic parameters | |
| Operating weight (kg) | 55000 |
| Counterweight dimensions (mm) | 860 |
| Track shoe width (mm) | - |
| Minimum turning radius (mm) | 3950 |
| Ground track length (mm) | 3620 |
| Ground pressure (MPa) | 0.0866 |
| Fuel tank capacity (L) | 550 |
| Hydraulic oil tank capacity (L) | 196 |
| Engine oil capacity (L) | 45 |
| Coolant capacity (L) | 121 |
| Engine | |
| Engine model | Cummins NTA855-C360S10 |
| Displacement (L) | 14 |
| Cylinder - bore × stroke (mm) | 6 - 139.7 × 152.4 |
| Rated power (kW) | 257 |
| Rated speed (rpm) | 2000 |
| Transmission system | |
| Drive type | Hydrostatic drive |
| Torque converter type | Single-stage single-phase three-element |
| Transmission mode | Planetary power shift |
| Number of track rollers (per side) | 9 |
| Number of carrier rollers (per side) | 2 |
| First gear travel speed (forward/reverse) (km/h) | 3.6 / 4.4 |
| Second gear travel speed (forward/reverse) (km/h) | 6.6 / 7.8 |
| Hydraulic system | |
| Pump type | Dual pump |
| Large pump displacement (ml/r) | 225 |
| Small pump displacement (ml/r) | 201 |
| Rated working pressure (MPa) | 21 |
| Lifting device | |
| Boom length (mm) | 8600 |
| Maximum lifting height (mm) | 7000 |
| Hook lifting speed (m/min) | 6 |
| Boom swing range (mm) | 1200 ~ 7200 |
| Gradeability (°) | 20 |
| Maximum lifting capacity (kg) | 90000 |

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