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HOWO 4x2 VS 6x4 Sewage Suction Truck: How to Choose Correctly?

HOWO 4x2 VS 6x4 Sewage Suction Truck: How to Choose Correctly?

Apr 17, 2026
Λήψη

When purchasing a HOWO vacuum suction truck, 80% of people will struggle with the choice between "6x4 and 4x2" model — some think the 4x2 is cheaper and more hassle-free, worrying that the 6x4 is a waste; others want to choose the 6x4 in one step, but are afraid of exceeding the budget and not being able to make full use of its advantages. The core issue is "matching your own operational needs." This article provides a comprehensive comparison from key dimensions such as load capacity, power, efficiency, and cost, helping you avoid common purchasing mistakes and accurately select the model that best suits your needs..

HOWO 6x6 offroad sewer jetting truck

★ Load Capacity & Tank Volume: Larger is Not Better—Sufficient Is Best

Many people assume that "a larger tank means more practicality," but this is not the case. For short-distance operations in residential communities, a HOWO 4x2 model sewage vacuum truck with around 10m³ is fully adequate. Choosing a 6x4 model with a 20m³ tank not only incurs a higher purchase cost but also increases fuel consumption and vehicle wear due to empty or half-loaded operation.

 

Conversely, for large-scale municipal dredging, the small tank of a 4x2 will require more than 10 round trips per day, wasting labor hours. In this case, the large tank of a HOWO 6x4 (16–22m³) can reduce round trips by more than half, greatly improving efficiency.

 

Below is a comparison of key specifications for several HOWO 4x2 and 6x4 sewage suction truck models.

 

Model

GVW(T)

F/R Axle loading(T)

Wheelbase

(mm)

Engine

Tank capacity

(cbm)

Vacuum pump

Model

Power(HP)

Model

Flow(m³/min)

4x2 2080 light

16

3.2/8

4200

YC4E160-33

160

8

Jurop PN106D

11

4x2 HW76

16

7/16

4600

WP10.300E22

300

12

SK-15

15

6x4 HW76

25

7/16*2

4600+1350

WP10.340E22

340

20

Jurop PN155D

15.17

6x4 NX

25

9.5/16*2

4625+1350

WP12.400E32

400

20

2BE-204

21

 

howo 4x2 2080 light 8cbm vacuum suction truck HOWO 4x2 2080 light 8cbm vacuum suction truck

HOWO 4X2 HW76 12CBM sewage tank truck

HOWO 4x2 HW76 12cbm sewage tank truck

HOWO HW76 6x4 20cbm vacuum tank truck

HOWO HW76 6x4 20cbm vacuum tank truck

HOWO NX 6x4 20cbm vacuum tank truck

HOWO NX 6x4 20cbm vacuum tank truck

 

 

★ Comparison of HOWO 4X2 and 6x4 sewage suction truck

Comparison 

4x2 Sewage Suction Truck

6x4 Sewage Suction Truck

Key Purchasing Considerations

Drive Type

2 axles: front steering axle, rear drive axle)

3 axles: front steering axle, dual rear drive axles

More driven axles = stronger load capacity and off-road capability

GVW

GVW: 4.5–18 tons, limited tank capacity

GVW: 25 tons; dual rear axles distribute weight for more stable loading

For heavy sludge and large volume needs, prioritize 6x4

Tank Capacity

3–15 m³, typically small tank size

16–22 m³; larger custom volumes available with anti-slosh baffle design

Larger single-operation volume → higher efficiency with 6x4

Power 

116–300 hp, light and medium truck options with wide power selection

266–420 hp, high torque, ample power reserve

For climbing, rough roads, and heavy loads, 6x4 is a must

Passability

Short wheelbase, agile turning; suitable for narrow urban streets and residential areas

Long wheelbase; dual rear axles give strong climbing, muddy road, and mountain terrain capability; slightly cumbersome on narrow city streets

For mainly urban use choose 4x2; for outdoor/complex terrain choose 6x4

Operational Efficiency

Small per-load capacity, requires frequent round trips; ideal for short-distance, small-scale tasks (e.g., residential septic tanks)

Large per-load capacity, fewer round trips; paired with Sinotruk high-efficiency vacuum pump for fast suction; suitable for long-distance transport and large-scale sludge cleaning

For large operating radius, prioritize 6x4; for small operating radius, 4x2 is sufficient

Purchase Cost

Lower

Higher; Sinotruk 6x4 costs more than 4x2 due to better chassis, power, and larger tank volume

If budget is limited and workload small, choose 4x2; for long-term high-frequency heavy loads, 6x4 is more cost-effective

 Operate Cost

 Low fuel consumption (15–20 L/100 km), simple maintenance, affordable parts

 Slightly higher fuel consumption (22–28 L/100 km); Sinotruk chassis has extensive maintenance network and easy parts access, keeping long-term costs manageable

 For high-frequency operation, the efficiency advantage of 6x4 can offset the fuel cost

 

★

ΚΑΥΤΕΣ ΕΤΙΚΕΤΕΣ :

HOWO 4x2 8cbm vacuum suction truck

HOWO 4x2 12cbm sewage suction truck

HOWO 6x4 20cbm vacuum tanker truck

HOWO NX 20cbm vacuum tanker truck

HOWO TX 12 sewage tanker truck

how to choose Howo vacuum truck

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Αν ενδιαφέρεστε για φορτηγά howo και θέλετε να μάθετε περισσότερες λεπτομέρειες, αφήστε ένα μήνυμα εδώ, θα σας απαντήσουμε εντός 8 ωρών.
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