Crack Sealing Machine

Trailer & Self-propelled

Kettle volume: 200L

Heat transfer oil heating


Product Details


Crack sealing machine is a road maintenance machine for repairing the pavement cracks, which is used for heating and pouring the sealant evenly into the treated cracks to achieve the waterproof purpose. It’s composed of chassis, power, driving motors, control system, heating system, and pumping systems. It’s used with the router, vacuum cleaner, or hot air lance. It applies to the residential, municipal, highway, freeway, airport, and other pavement.


1. Centralized temperature controller: Dual-digital liquid crystal temperature controller: timely display and adjust the temperature of heating transfer oil, sealant, and sealing hose.

2. Sealing wand: Labor-saving design, electric discharge switch controls the material volume, ensure the best sealing effect under the same sealant, temperature, and road conditions.

3. Build- in pump: Easy discharging and longer service life.

4. Heating transfer oil system: The sandwich design uses less oil, improves heating speed, and reduce replacement cost.

5. Special geometry chamber: The flame blow to the partition wall at an angle of 45 degrees downwards, without direct contact with the hot kettle, the air in the chamber is fully burned with a high heat utilization rate.

6. The lowest feeding height: Compact and reasonable structure, low operating position, and filling height ensure conveniently, labor-saving, and safe feeding operations.

7. Easy-to-replace sealing wand: Choose the corresponding sealing wand according to the cracks and road conditions to achieve the best sealing effect.

8. Chassis: Dual shock absorber towing chassis; Auto tires, safe driving; Parking brake.

Construction process



Dimensions2850 x   1520 x 1800, L x W x H
Net weight980 KG
Kettle volume200 L
Safety   deviceParking   brake
Melting   rate45min/80kgContinuous   melting rate20min/14kg
Engine220 V   Honda gasoline engine
StartingElectric   starting
Engine   speed3600 r/min
Displacement389 cm3
Rated   power5.0 KW
fuel92#   gasoline
Fuel tank   capacity25 L
Continuous   working time9 h
Rear-axle assemblyvehicle   rear-axle
Feeding   pumpAdjustable-speed   motor, 0.2 KW, Stepless regulation
AgitatorConstant   speed motor, 0.4 KW, Vertical agitating
Self-propelledAdjustable-speed   motor, 2.2KW
Feeding system
Feeding   pumpExternal   pump, flow: 18 m³ /h, Pressure: 0.5MPa
Discharge   nozzle2’gate   valve
Automatic thermostatic control system
ThermocoupleK type
Heating   transfer oil65 L
Electric heated hose and burner
Burner220 V diesel   burner, 80 KW / h (200000 BTU/H)
Diesel   tank40 L
Electric   heated hose220 V, length:6M,   270 degrees rotating
Hoist for grooving machine

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