Table of Contents
1. Product Overview
2. Working Principle
3. Daily Application Scenarios
4. Comparison with Traditional Sanitation Vehicles
5. Buying Guide
6. Operation and Maintenance Tips
7. Frequently Asked Questions
Conclusion
1. Product Overview
Core Product Keywords: FAW JH6 6×4 20CBM Sewage Suction Vacuum Truck, FAW Heavy-duty Sanitation Truck, 20CBM Large-capacity Vacuum Sewage Truck, Municipal Sludge Suction Vehicle, Large-volume Sewage Disposal Equipment.
Vacuum Tanker truck (commonly known as Vacuum Sewage Truck) is a special sanitation vehicle equipped with vacuum pump, used to suck, transport and discharge sewage, sludge, mud and wastewater.
A Vacuum Tanker truck is a dedicated municipal sanitation vehicle designed with a high-performance vacuum pumping system. It creates negative pressure inside the sealed tank to suction sewage, sludge, slurry, sewage waste and other liquid-solid mixtures from sewers, septic tanks, drainage pipes and sewage pits. The collected waste is stored in the tank and transported to designated treatment areas for unloading. This vehicle is widely applied in urban sanitation, environmental protection, municipal engineering and rural sewage treatment.
Body Structure Description
Its storage tank is constructed with thickened high-strength carbon steel integrated stamping and welding structure, adopting integral sealing and pressure-resistant design to bear negative pressure suction and hydraulic discharging.
Core Advantages
1. High working efficiency：Adopts vacuum negative pressure suction mode, with fast suction and discharge speed, which can quickly clean sewage, sludge and blockages.
2. Wide application range：Suitable for sewer, septic tank, sewage pit and other scenarios, capable of handling various liquid and solid mixed wastes.
3. Good sealing & environmental protection：The fully sealed tank avoids leakage and odor overflow, reducing secondary pollution.
4. Flexible & labor-saving：Integrates suction, storage and transportation, reducing manual operation and lowering labor costs.
5. Stable performance：Equipped with mature vacuum and hydraulic systems, with stable operation and long service life.
2. Working Principle
The complete working system of FAW JH6 6×4 20CBM sewage suction truck consists of three core modules: mature FAW JH6 6×4 heavy-duty chassis power system, industrial-grade vacuum pumping assembly and super-large 20CBM pressure-resistant fully sealed storage tank.
After engine startup, the power take-off extracts power from original FAW JH6 heavy-duty chassis to drive the vacuum pump to run continuously. The vacuum pump discharges air inside the sealed tank to form stable negative pressure. Relying on atmospheric pressure difference, all kinds of sewage, sludge, slurry and liquid-solid mixed waste are automatically sucked into the 20CBM large-capacity storage tank from sewers, septic tanks, drainage pipes and sewage pits.
Benefiting from integral pressure-resistant and sealing structure, the thickened carbon steel 20CBM tank can bear long-term negative pressure operation and prevent sewage leakage and odor overflow. After waste collection is completed, operators control the hydraulic system to finish automatic unloading. The whole process realizes mechanized integration of suction, storage, transportation and discharging. Equipped with streamlined FAW JH6 comfort cab and heavy-duty 6×4 drivetrain, the truck owns strong power output, outstanding trafficability and ultra-large loading capacity, perfectly adapting to high-intensity, large-volume municipal sanitation operations.
3. Daily Application Scenarios
Urban Municipal Sanitation: City sewer dredging, drainage pipeline blockage removal, public septic tank and sewage pit regular cleaning
Environmental Protection Projects: Polluted domestic sewage disposal, urban black-odor river remediation, water body sludge cleaning
Municipal Engineering Operation: Construction site wastewater and mud disposal, foundation pit sewage suction
Rural Sewage Treatment: Village domestic sewage collection, rural ditch desilting, decentralized sewage disposal
Public Facility Maintenance: Park, scenic spot and residential community sewage pipeline daily maintenance
4. Comparison with Traditional Sanitation Vehicles
Vs Manual Sewage Cleaning: Traditional manual dredging relies on handwork and simple pumping tools, featuring low suction efficiency, huge labor consumption and serious odor leakage, causing urban secondary pollution. This SINOTRUK HOWO sewage suction truck adopts full-mechanical operation, saving labor cost and optimizing working environment.
Vs Ordinary Water Transport Trucks: Common
Water Tank Trucks only support simple liquid transportation, without negative pressure suction function, unable to dispose viscous sludge and solid-liquid mixed waste. This professional SINOTRUK HOWO sewage suction truck equips dedicated industrial vacuum system, integrating suction and transportation functions to meet comprehensive sanitation demands.
Vs Ordinary Medium & Small-volume Sewage Trucks: Common sanitation trucks are equipped with 8-12CBM small tank, requiring frequent round trips and wasting fuel cost and working time. This FAW JH6 6×4 model equips standard 20CBM super-large capacity tank, drastically improving single transportation efficiency; reliable FAW chassis delivers stronger bearing capacity, suitable for long-term heavy-duty operation.
Vacuum Tanker truck |
General | Chassis Brand | FAW Jiefang (J6G/J6L series) |
| Overall Dimension(L×W×H) | Approx 10000×2600×3800mm |
| GVW / Kerb Weight | 25000kg / approx 12000kg |
| Drive Orientation | Left-hand Drive (LHD) |
Cab | Cab Type | High-roof Sleeper Cab (Row-and-a-half) |
| Cab Capacity | 3 seats (1 driver + 2 passengers) with rear sleeper berth |
| Air Conditioner | Standard equipped |
| Power Windows | Standard equipped |
| Central Lock | Standard equipped |
Engine | Fuel Type | Diesel |
| Engine Brand | FAW Xichai / Weichai (alternative optional) |
| Rated Power | 350-400HP/257-294kW |
| Displacement | 10-11L |
| Emission Standard | Euro2/Euro3/Euro5/Euro6 optional |
Chassis Parameter | Drive Type | 6×4 Rear Double Axle |
| Transmission | Fast 12-speed manual gearbox with PTO interface |
| Wheelbase/No.of axle | 4350+1350mm / 3 axles |
| Tyre Specification | 12R22.5 heavy-duty radial tires |
| Tyre Number | 10pcs + 1 spare tyre |
| Max Speed | 90km/h |
| Paint | Standard: white cab + customized superstructure color |
Superstructure | Tank Body Capacity | 20000Liters |
| Tank Body Material | 5-6mm thick Q235B high-strength carbon steel, fully welded construction; 304 stainless steel optional |
| Tank Body Structure | Horizontal cylindrical tank, with multi-group anti-wave baffles inside, reinforced dished tank head |
| Sewage Suction Pump | Domestic famous brand vacuum suction pump (imported brand optional) |
| Pump Performance | Max vacuum degree ≥-0.09MPa, max suction depth ≥6m, stable large-flow suction, low noise |
| Hydraulic System | Domestic brand hydraulic pump & valves, working pressure 16-20MPa |
| Control Mode | In-cab manual lever control with safety interlocks; optional wireless remote control |
| Discharge Function | Hydraulic lifting tank body (max lifting angle ≥45°), hydraulic opening rear tank cover with high-density silicone sealing ring |
| Standard Accessories | Anti-overflow valve, sight glass window, 8m anti-wear suction hose, stainless steel filter screen, built-in flushing pipe, bottom drainage valve, safety railing & climbing ladder |
| Anti-corrosion | Epoxy primer + weather-resistant finish paint, anti-rust treatment for all metal parts |
5. Buying Guide
For overseas municipal sanitation departments, engineering contractors and sanitation fleet purchasers, please check core configurations before procurement:
Genuine FAW JH6 6×4 Heavy-duty Chassis: Top-ranked domestic heavy-duty chassis with global market recognition, high-torque energy-saving engine, durable vehicle frame, stable power output. It owns complete overseas after-sales spare parts supply system, lowering cross-border operation and maintenance risks.
Standard 20CBM Large-capacity Storage Tank: Thickened high-strength carbon steel tank with integrated stamping and welding technology, fixed 20CBM rated volume, integral pressure-resistant and sealing design, resisting liquid corrosion and vacuum deformation.
Mature Vacuum & Hydraulic System: Matched reliable vacuum pump and supporting hydraulic components, stable operation, low failure rate, easy overhaul and long service life.
Complete Export Certification: Standard factory refitting, providing full set of customs clearance documents, supporting overseas government bidding and bulk cross-border delivery.
6. Operation and Maintenance Tips
Standardized operation and routine maintenance can effectively cut down vehicle failure rate and prolong service life:
6.1 Daily Operation Specifications
Inspect tank sealing status, vacuum pipeline and hydraulic connection parts before vehicle ignition
Test vacuum pump operating condition to ensure stable negative pressure output before formal work
Prohibit sucking oversized hard sundries and gravel to prevent pipeline blockage and vacuum component abrasion
Stop the vehicle completely before hydraulic unloading operation to avoid hydraulic system malfunction
Clean tank interior and residual pipelines after daily work to reduce corrosive dirt deposition
6.2 Regular Maintenance Advice
Clean vacuum pump and internal pipelines monthly to maintain stable suction efficiency
Check tank welding seams and sealing strips quarterly, repair tiny gaps to prevent air and liquid leakage
Lubricate hydraulic parts regularly to guarantee flexible discharging action
Replace vacuum pump dedicated oil periodically to stabilize overall system performance
Follow official FAW JH6 chassis maintenance manual to guarantee heavy-load power stability and driving durability
7. Frequently Asked Questions
Q1: Official export name
A1: Standard export names: FAW JH6 6×4 20CBM Sewage Suction Vacuum Truck, FAW JH6 Vacuum Tanker Truck, 20CBM Large-capacity Municipal Sewage Suction Vehicle.
Q2: What working scenarios fits this heavy-duty truck?
A2: It adapts to super-large-scale urban sewer dredging, heavy sludge disposal, river desilting, large industrial park sewage treatment and long-distance centralized sewage transportation projects.
Q3: What is the advantage of 6×4 heavy-duty layout?
A3: The 6×4 drive layout brings excellent load-bearing performance and road adhesion, capable of adapting to muddy, bumpy and harsh working roads; matched with FAW JH6 mature powertrain and 20CBM oversized tank, it balances powerful horsepower and ultra-large carrying capacity, greatly cutting transportation frequency.
Q4: Can the sealed tank avoid secondary pollution?
A4: Yes. The thickened carbon steel tank adopts integrated stamping welding and full-sealing design, which blocks sewage leakage and odor overflow thoroughly, fully compliant with global environmental protection requirements.
Q5: Is this truck suitable for bulk overseas procurement?
A5: Definitely. Supported by globally reputable FAW JH6 chassis, industrial-grade vacuum hydraulic system and customized 20CBM large-volume sealed tank, the vehicle features low failure rate and high cost performance. It is the priority equipment for national sanitation bidding, environmental engineering group procurement and large-scale sewage remediation projects.
Conclusion
FAW JH6 6×4 20CBM Sewage Suction Vacuum Truck is a large-capacity heavy-duty export sanitation vehicle customized for global large-volume sewage disposal demands. Equipped with authentic FAW JH6 mature heavy-duty chassis and industrial vacuum system, it integrates sewage suction, sealed transportation and hydraulic automatic discharging functions.
Adopting thickened carbon steel integrated stamping welded 20CBM super-large storage tank, cooperating with stable hydraulic system and five core advantages, this vehicle solves small tank capacity and low operating efficiency pain points of ordinary sanitation trucks. With FAW reliable manufacturing quality, superior bearing capacity and eco-friendly sealing performance, it becomes the optimal large-load sanitation equipment for overseas municipal authorities and environmental protection contractors.
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