In the Niger Delta region of Nigeria, a civil engineering contractor was facing a seemingly impossible task. The project required clearing vegetation, digging drainage channels, and building access roads across kilometers of swampy, unstable terrain. Standard excavators sank into the mud within minutes. Even with timber mats, the machines could not reach the deeper sections of the wetland.
The contractor needed a solution that would keep heavy equipment afloat and mobile on soft ground. He discovered an amphibious excavator pontoon from YG Machinery – specifically a set designed for his 20‑ton excavator. This pontoon excavator system consists of two main floats, side pontoons, a telescopic undercarriage, and spud piles for anchoring. The unit was custom‑built to match his machine’s track width and weight.
The difference was transformative. The Nigerian excavator now travels across the swamp with stability, digs to full depth, and anchors itself firmly with spud piles. The project, which was three months behind schedule, is now back on track. The equipment paid for itself within the first six weeks of operation. For a free quote on a pontoon for your wetland project, contact us today.
Contact: 【WhatsApp/WeChat/Phone】+86 159 3715 3321
Technical Parameters Of The Amphibious Excavator Pontoon
Below are the specifications for the YG series amphibious pontoons. The Nigerian contractor chose the 18‑22 ton large model for his 20‑ton excavator.
| Serial No. | Model / Tonnage Class | Number of Chains | Single Bare Body Dimension (m) | Single Assembled Dimension (m) | Overall External Dimension (m) | Total Weight of Pontoons (t) | Material Specification | Side Pontoon Dimension | Production Lead Time (Days) | Telescopic Range | Spud Specification |
| 1 | 6-7 | 2 | 4.5×1×1 | 5.7×1.25×1.34 | 5.7×3.0×1.34 | 6 | Q345 (4×6) | 3×1×0.8m | 20 | / | φ133 (4 m) |
| 2 | 10-16 | 2 | 6×1.25×1.4 | 7.5×1.57×1.74 | 7.5×4.6×1.74 | 13 | Q345 (4×6) | 6×1.5×1m | 20 | 700 mm | φ219 (8 m) |
| 3 | 18-20 Small Model | 2 | 7×1.5×1.5 | 8.5×1.8×1.84 | 8.5×4.6×1.84 | 15 | Q345 (4×6) | 6×1.25×1m | 25 | 700 mm | φ219 (8 m) |
| 4 | 18-22 Large Model | 3 | 8×1.5×1.5 | 9.5×1.8×1.84 | 9.5×5.2×1.84 | 17 | Q345 (4×6) | 6×1.25×1m | 25 | 700 mm | φ219 (8 m) |
| 5 | 27-30 | 3 | 9×1.5×1.5 | 10.5×1.8×1.84 | 10.5×5.4×1.84 | 23 | Q345 (6×8) | 7×1.5×1m | 25 | 600 mm | φ219 (8 m) |
| 6 | 30-40 | 3 | 9×2×1.5 | 10.5×2.4×1.84 | 10.5×6.4×1.84 | 29 | Q345 (6×8) | 8×1.25×1m | 25 | 700 mm | φ273 (9 m) |
| 7 | 40-50 | 3 | 10×2×1.8 | 11.5×2.4×2.14 | 11.5×6.5×2.14 | 31 | Q345 (6×8) | 8×1.5×1m | 30 | 1000 mm | φ273 (9 m) |
Why the 18‑22 ton large model suited the Nigerian contractor:
- 17 tons of pontoon weight – provided ample buoyancy for his 20‑ton excavator.
- 9.5×5.2×1.84m overall dimension – stable footprint on soft swamp ground.
- 3 chains – distributed the excavator load evenly across the floats.
- Q345 steel (4×6) – strong enough to withstand the corrosive swamp environment.
- 700mm telescopic range – allowed the pontoon excavator to adjust width for different track gauges.
Three Challenges That Made Wetland Work Impossible In Nigeria
The Niger Delta contractor faced three problems common across Nigeria’s swampy regions.
Problem 1: Machines Sinking Into Mud
Standard excavators on tracks or tires cannot operate on soft, waterlogged ground. They sink rapidly, become stuck, and require costly recovery operations. The contractor had already lost two days to excavator rescues.
Problem 2: No Access To Deep Wetland Areas
The deepest parts of the swamp were completely inaccessible. Timber mats only worked on relatively firm edges. The contractor could not reach the main drainage channels that needed excavation.
Problem 3: Slow, Manual Workarounds
The crew resorted to hand-digging in some sections. This was slow, expensive, and unsafe. The project timeline was slipping by weeks.
The amphibious excavator pontoon solved all three.
How The Pontoon Excavator System Transformed The Nigerian Project?
The YG amphibious excavator pontoon is a modular float system that replaces the excavator’s standard track undercarriage. The machine drives onto the pontoons, which are then secured. The combined unit floats on water and travels across soft mud without sinking. Spud piles (vertical steel poles) are lowered to anchor the pontoon excavator in place during digging.
Buoyancy And Stability
The two main pontoons (each 9.5m long, 1.8m wide, 1.84m high) displace enough water to support the excavator. The side pontoons (6.25m long) add extra stability. The Nigerian contractor reported that the unit sits level even when the excavator swings a full bucket of wet mud.
Mobility Across the Swamp
The excavator’s hydraulic system drives the pontoon tracks. Travel speed is slow (comparable to standard excavator travel), but the unit moves reliably across the softest ground. The contractor now reaches areas that were previously impossible.
Anchoring With Spud Piles
When digging, the operator lowers two spud piles (φ219mm, 8m long) into the mud or water bottom. The unit becomes fixed in place. The excavator can then dig at full power without the pontoon drifting. The spud piles are raised when the unit needs to move.
Versatility For Multiple Tasks
With the amphibious excavator pontoon, the Nigerian crew now handles:
- Swamp drainage channel excavation
- Vegetation clearing and root removal
- Access road construction on soft ground
- Pipeline trenching in wetland areas
For a custom pontoon set with telescopic range and spud length tailored to your water depth, please feel free to contact us.
Phone / WhatsApp / WeChat: +86 159 3715 3321
Email: admin@chinayugongmachinery.com
Real Feedback From The Nigerian Wetland Contractor
After two months of using the amphibious excavator pontoon system, the contractor shared his results.
- Machine downtime: Reduced to zero. The excavator no longer sinks or gets stuck.
- Accessible area: Increased from 30% of the site to 95%. Only the deepest open water remains inaccessible.
- Production rate: Tripled. The crew now excavates 300m³ of swamp material per day versus 100m³ previously.
- Safety: No more manual digging in unstable areas. Workers stay on firm ground.
- Payback: The pontoon system paid for itself in 6 weeks through scheduled recovery.
The project manager said, “I was ready to abandon this project. The swamp was winning. Then the excavator pontoon arrived. We installed it in two days and started working where we could not walk before. The spud piles hold the unit rock‑solid. My excavator operator now jokes that he is driving a boat.”
An operator added, “The pontoon excavator is stable. I can dig a full bucket without the machine tilting. The 700mm telescopic range lets us match the pontoon width to my excavator tracks perfectly. The side pontoons keep us balanced when swinging.”
Ready To Conquer Swampy Sites With An Amphibious Pontoon?
The Nigerian project proved that an amphibious excavator pontoon turns impossible wetland work into routine excavation. No more sinking, no more costly rescues, no more manual digging. The YG system is built with high‑strength Q345 steel, welded to marine standards, and tailored to your exact excavator model.
YG Machinery has shipped amphibious pontoons to customers in Nigeria, Indonesia, Malaysia, Thailand, and across Africa and Southeast Asia. We provide export packaging, engineering drawings, and remote installation support.
Stop sinking in the mud. Start working on the water.
【WhatsApp/WeChat/Phone】+86 159 3715 3321
Share your excavator make, model, and typical water depth. We will send you a quotation with shipping to Nigeria within 24 hours.
