Product Overview

This Shaanxi Delong 8×4 combined sewer cleaning and suction truck is a heavy-duty, high-capacity sanitation vehicle built on the Shaanxi Delong 8×4 specialized chassis. With a massive 33m³ total tank capacity (10m³ clean water + 23m³ sewage) and an independent auxiliary engine system, this truck is engineered for large-scale municipal sewer dredging, wastewater treatment plant sludge transfer, and industrial pipeline cleaning.

Powered by a Weichai China VI 460HP main engine and an independent Weichai 420HP auxiliary engine driving the vacuum system, this truck delivers powerful performance without draining the main vehicle’s power during prolonged operations. The 8mm thickened carbon steel tank features a hydraulic self-discharging structure, a 800mm hydraulic rear manhole, and a comprehensive set of safety and control systems for efficient, single-operator cleaning and suction work.

Key Specifications

Parameter	Value
Product name	Shaanxi Delong 8×4 Combined Sewer Cleaning & Suction Truck
Vehicle type	Heavy-duty yellow plate truck
Color	Engineering orange-yellow
Gross weight	31,000 kg
Cab capacity	3 persons
Tank total volume	33 m³ (clean water 10m³ + sewage 23m³, interconnecting ball valve design)

Chassis Configuration

Component	Specification
Chassis model	Shaanxi Delong 8×4 specialized chassis
Engine	Weichai China VI diesel, 460 HP
Cab	Hydraulic suspended cab, air suspension driver seat, manual cab tilt, metal bumper, factory electric A/C, power windows
Tires	12.00R20 heavy-duty steel wire tires
Chassis reinforcement	Reinforced rear axle design for heavy-load conditions with large-capacity tanks
Braking system	Air parking brake, standard ABS
Drive advantage	8×4 heavy-duty chassis with strong power and load capacity; independent auxiliary engine drives the upper body system for long continuous operation without draining main engine power; 33m³ super-large tank for large-volume sludge transfer

Upper Body Configuration

Component	Specification
Tank structure	8mm thickened carbon steel tank, 33m³ total volume; independent clean water compartment 10m³, sewage compartment 23m³ with interconnecting ball valve; reinforced frame; hydraulic self-discharging structure; 800mm hydraulic opening large-diameter rear manhole; rear piping with 150 drain ball valve, 100 drain ball valve, 100 internal suction ball valve, 150 bypass ball valve; strict welding for pressure and water tightness
Independent auxiliary engine vacuum system	Weichai 420HP auxiliary engine unit with 258 water circulation vacuum pump; strong negative pressure for sucking sludge, fecal waste, and sedimentation tank slurry; standard 8m thickened wear-resistant suction hose; equipped with oil-gas separation, water-gas separation, and multi-stage anti-overflow protection
High-pressure cleaning system	Pinfu 350 large-flow high-pressure cleaning pump; rear hydraulic hose reel with left/right rotation; standard 100m length, 25mm inner diameter custom wear-resistant high-pressure dredging hose, compatible with 10kg high-pressure cleaning nozzle; strong water flow for unclogging municipal blocked pipes and oil-polluted networks
Control system layout	Rear integrated multi-way hydraulic valve group for centralized control of tank lifting, rear cover opening, hose reel rotation and retraction, suction, and high-pressure cleaning; single-person operation for the entire process
Safety protection	Tank level anti-overflow alarm, vacuum pipeline check valve, high-pressure pipeline pressure overflow protection, tank lifting hydraulic lock, rear cover hydraulic locking to prevent falling off, auxiliary engine high-temperature overload protection, emergency pressure relief valve
Storage and access	Widened anti-slip working platforms + safety guardrails on both sides of the tank; sealed toolboxes on both sides for nozzles, quick couplings, and maintenance tools; wear-resistant protective sleeves on all pipelines
Optional add-ons	Wireless remote control system, slurry pump unit, stainless steel tank, exhaust heating anti-freeze device, 360 panoramic camera, high-power night searchlight

Key Features

Massive 33m³ Tank Capacity

8mm thickened carbon steel tank for durability
Independent 10m³ clean water and 23m³ sewage compartments
Interconnecting ball valve for flexible operation
Hydraulic self-discharging structure with 800mm rear manhole
Reduces round trips for large-scale sludge transfer

Independent Auxiliary Engine System

Weichai 420HP auxiliary engine unit
258 water circulation vacuum pump for strong suction
Long continuous operation without draining main engine power
Multi-stage anti-overflow protection for safe operation

High-Pressure Cleaning System

Pinfu 350 large-flow high-pressure pump
Rear hydraulic hose reel with left/right rotation
100m long, 25mm diameter wear-resistant dredging hose
Effective for unclogging municipal pipes and industrial oil networks

Single-Operator Control

Rear integrated multi-way hydraulic valve group
Centralized control of tank lifting, rear cover, hose reel, suction, and cleaning
One person can complete the entire process
Optional wireless remote control system

Comprehensive Safety Protection

Tank level anti-overflow alarm
Vacuum pipeline check valve
High-pressure pipeline pressure overflow protection
Tank lifting hydraulic lock
Rear cover hydraulic locking
Auxiliary engine high-temperature overload protection
Emergency pressure relief valve

Heavy-Duty Chassis

Shaanxi Delong 8×4 specialized chassis
Weichai China VI 460HP engine
12.00R20 heavy-duty steel wire tires
Reinforced rear axle for heavy-load conditions
Air parking brake with ABS

Applications

Large-Scale Municipal Sewer Dredging

Suitable for major urban trunk pipeline dredging and large-scale municipal cleaning projects.

Wastewater Treatment Plant Sludge Transfer

Efficient transfer of sludge from treatment plants to disposal sites.

Septic Tank Bulk Cleaning

Bulk cleaning of large septic tanks for residential and commercial facilities.

River Channel and Sedimentation Tank Desilting

Strong vacuum suction for river sludge and large construction site sedimentation tank slurry.

Industrial Park Oil Pipeline Cleaning

High-pressure cleaning for large industrial oil pipelines and grease blockages.

Environmental Cleaning Fleets

Ideal for large environmental companies, municipal groups, and scaled sludge transfer enterprises requiring long-term high-volume operations.

Why Choose This Shaanxi Delong 8×4 Combined Sewer Cleaning & Suction Truck

Buyers searching for a large capacity combined sewer cleaning truck for sale from China will find this Shaanxi Delong 8×4 model offers a complete, heavy-duty solution for large-scale sanitation. The 33m³ tank, independent 420HP auxiliary engine, and high-pressure cleaning system make it ideal for municipal groups, environmental companies, and large-scale sludge transfer operations.

Whether you need a single unit or a fleet solution, our team can assist with configuration selection, documentation, and shipping arrangements. Contact us for the latest price and availability.

Frequently Asked Questions (FAQ)

Q1: What is the tank capacity of this combined sewer cleaning truck?
A: The total tank volume is 33m³, with a 10m³ clean water compartment and a 23m³ sewage compartment.

Q2: What engine does this truck use?
A: It is powered by a Weichai China VI 460HP main engine and a Weichai 420HP independent auxiliary engine.

Q3: What is the advantage of the independent auxiliary engine?
A: It drives the vacuum and cleaning systems without draining the main engine’s power, allowing long continuous operation.

Q4: What cleaning and suction equipment is included?
A: It includes a 258 water circulation vacuum pump, Pinfu 350 high-pressure cleaning pump, rear hydraulic hose reel, and 100m high-pressure dredging hose.

Q5: How is the waste discharged?
A: The tank features a hydraulic self-discharging structure and an 800mm hydraulic opening rear manhole for direct discharge.

Q6: What safety features are included?
A: Tank level anti-overflow alarm, vacuum pipeline check valve, high-pressure overflow protection, tank lifting hydraulic lock, rear cover hydraulic locking, auxiliary engine overload protection, and emergency pressure relief valve.

Q7: How is the truck operated?
A: A rear integrated multi-way hydraulic valve group allows single-person control of all functions. Wireless remote control is optional.

Q8: What optional equipment is available?
A: Wireless remote control, slurry pump unit, stainless steel tank, exhaust heating anti-freeze device, 360 panoramic camera, and high-power night searchlight.

Q9: Is this truck available for export?
A: Yes, this combined sewer cleaning truck is available for export. Buyers looking for a China combined sewer cleaning truck for sale can contact us for configuration and shipping details.

sewer cleaning truck with auxiliary engine

Shaanxi Delong 8×4 Combined Sewer Cleaning & Suction Truck – 33m³ with Auxiliary Engine