LT620B 20ton single drum road roller

LT620B 20ton single drum road roller

LT620B 20ton single drum road roller features

▲ Mechanical travel drive, double amplitude, hydraulic vibration and steering with optimal function/price ratio and reliable performance.

▲ Reliable D6114 diesel engine for convenient operation and maintenance.

▲Two sets of brake devices, a hand brake and foot pedal brake, assures the machine’s safety and dependability.

▲Spacious and comfortable cab mounted on top quality rubber damping elements.

▲World advanced technology is adopted for the hydraulic vibration technology, high in reliability, simple and convenient in maintenance, and low in cost.

▲Equipped with padfoot or removal padfoot as option.

LT620B 20ton single drum road roller parameters

Engine


Model

D6114ZG

Type

Vertical, water cooled, direct injection

Rated power

132KW

Rated speed

2000rpm

Rated fuel consumption

215g/kw·h


Main Technical Specification


Operating weight

20000kg

Type

Hydraulic vibration

Frequency

30Hz

Amplitude

2.0/1.0mm

Static linear load

460N/cm

Dynamic linear load

631N/cm

Vertical oscillation

Drum shell thickness

46mm

Centrifugal force(high ampl.)

360KN

Centrifugal force(low ampl.)

240KN

Transmission System


Type

Mechanical drive(gear box)

Grade ability

35%

Gear shifts(Forward/Reverse)

F3/R3

Traveling speed(km/h)

Forward/ReverseⅠ

2/2

Forward/ReverseⅡ

4/4

Forward/ReverseⅢ

10.5/10.5


Axle


Drive type

Rear wheel drive

Front axle load

13200kg

Rear axle load

8800kg


Steering System


Type

Articulated frame, hydraulic steering

Steering cylinder

Two cylinders

Steering pump

Gear pump

Working pressure

13MPa

Steering angle

±35°

Min. steering radius

7500mm ( outer side),5400mm (inner side)


Braking System


Service brake

Disc brake, actuate rear wheels

Parking brake

Hand operated drum brake


Dimensions


Overall length

5820mm

Overall width

2280mm

Overall height

3050mm

Drum width

2130mm

Wheel base

3160mm

Drum Dia.

1570mm

Tyre size

23.1-26

Ground clearance

432mm

Service Capacities


Hydrauclic tank

150L

Gear box

25L

Drive alxe

25L

Brake booster

10L

Fuel tank

180L

Engine crank case

19L

LT620B road roller effect powerful centrifugal force and great static linear load, They are suitable for non-cohesive materials, such as sandy soil, gravel, crushed stones, rock fillings and slightly cohesive soils, designed for large foundation constructions such as high-class highways, mines, dams, airports, harbors, railways and industrial areas etc.