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Self Loading Concrete Mixer

DB 260

The DB 260 is a self-loading concrete mixer with a max yield of 2.5 m³ per batch and a daily productivity of up to 60 to 70 m³.

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2.5 cu.m
Batch Capacity
64.5 kW (87 Hp)
Max. Power
4x4 FOUR WHEEL DRIVE
Drive
65 cu.m
Avg. 8 hour production capacity

The DB 260 is a self-loading concrete mixer with a max yield of 2.5 m³ per batch and a daily productivity of up to 60 to 70 m³. It is characterized by excellent visibility from the cabin & ergonimocs of the operator's position resulting from the driver's seat reversibility & the drum rotation system. The automatic water dosing, tip-off function, the shape & position of the drum which optimizes the dosage & mixing operations ensures concrete homogeneity. The computerized (optional) CBV 2.0 is an innovative production process that allows the operator to minimize error, guaranteeing consistency, repeatability and quality of the concrete even in the most difficult conditions.

Features
PERFORMANCE AND HANDLING
‣ Unparalleled agility and stability; even in loaded condition due to lower center of gravity
‣ Four-wheel drive & steering
‣ Reversible driving seat & 245° drum rotation
‣ High pressure automotive hydrostatic transmission for working on any kind of terrain
CONCRETE BATCHING VEHICLE
‣ CBV version – A computerized electronic batching system ensures accurate precise dosing
‣ Fully integrated and interactive system, guides the operator right from entering the mix design, precise dosing, controlling the mixing time and ensuring homegenity of the final product.
‣ Multiple recipes can be saved
‣ Humidity percentage can be input and the system automatically adjusts the water inflow thus maintaining the water cement ratio.
‣ Batch report printed for every batch of concrete produced
‣ Final check of the quality of concrete produced
COMFORT AND VISIBILITY
‣ Patented drum rotation feature combining the reversible driving allows full control over the mix directly from the cabin
‣ The 245° drum rotation, in fact, ensures complete visibility thus allowing the operator to check the consistency of the mix from the cabin
‣ Equipped with a standard ground control panel (always available to the operator) to manage, program and control water input into the drum, as well as the mixing/unloading functions and the activation of the hydraulic device for chute lifting/lowering
ERGONOMICS AND SAFETY
‣ Closed cabin installed
‣ Ergonomic controls – multifunction joystick to the right of the operator
‣ Level 1 ROPS FOPS cabin - (Level 2 available as option)
LOADING SYSTEM AND TIP-OFF
‣ Loading arm driven by Z-shaped auto-compensated kinematic mechanism with two lifting cylinders and two double acting loader cylinders
‣ Tip-off function to shed excess material before weighing and pouring in the drum
‣ Automatic unloading hatch - prevents any losses by avoiding spilling of materials
Specification
DIESEL ENGINE
Model
PERKINS Series 1,104
Type
Aspirates
Total displacement, no Cylinders
4,400cc - 4 in line
Injection
direct with mechanical control
Cooling
air water, dry air filter
Max. power
64.5 kW (87 Hp)
Adj. power
64 kW (2,400 rpm)
Max. torque
293 Nm @ 1,400 rpm
Alternator
12 V - 65 A
ELECTRIC SYSTEM
Battery
12 V - 132 Ah (600 A)
Road light system, rear working lights.
4X4 FOUR-WHEEL DRIVE
"Hydrostatic “automotive” transmission with variable displacement pump and variable displacement hydraulic motor with electrohydraulic control, and reverse gear control on the steering wheel."
Mechanical gearbox for “working speed” and “road transfer” speed, with mechanical control.
SPEED
forward gears
4
1ST
0 - 3.5 Km/h
2ND
0 - 7.6 Km/h
3RD
0 - 10.4 Km/h
4TH
0 - 25.0 Km/h
REVERSE GEARS
2
1ST
0 - 3.5 Km/h
2ND
0 - 3.5 Km/h
3RD
0 - 10.4 Km/h
4TH
0 - 10.4 Km/h
Traction / weight ratio
40%
AXLES AND WHEELS
Front oscillating (± 7°) and steering with planetary reduction gears on the wheel hubs.
Rear and steering with planetary reduction gears on the wheel hubs and fl anged gearbox.
Tyres
12.5-18 / 16 PR
BRAKES
Internal oil-bath disc service and emergency brakes acting on the 4 wheels, activation with pump on independent dual circuit.
Negative type parking brake, with internal oil-bath discs on the front axle and electro-hydraulically controlled release.
STEERING
"Assisted by means of load-sensing power steering on 4 steering wheels; steering selection device for: 2 steering wheels, 4 steering wheels - crab steering."
WATER SYSTEM
“Self-priming” volumetric water pump with quick-suction.
Max. capacity
250 litres/min.
Maximum head
4 bar
Two connected tanks positioned opposite each other made of polyethylene with a total capacity of 570 litres.
"Mix Control system for programmable and controlled management of water feeding to the drum and of mixing and unloading from the ground panel. "
"Water feeding to the drum controlled by means of electromagnetic fl ow meter and fed litre reading on both the cabin display and at the rear of the vehicle. "
Water pump activation from the driver’s seat and from the ground panel. Suction selection from the ground with quick-coupling pipes.
MIXING AND UNLOADING
Double-cone drum with double-spiral mixing screws and convex bottom.
Geometrical drum volume
3,160 litres
Drum rotation speed
23 rpm.
Class S1 concrete produced as
2.5 cu m
Counterframe mounted on “heavy-duty” ball fi fth wheel, with 245° hydraulic rotation and automatic locking by means of negative brake.
"Drum rotation by means of a piston pump with variable flow rate and an orbital hydraulic motor in closed circuit with infi nitesimal electrical control positioned in the cabin and at the rear of the machine."
"Drum raising up to the horizontal position by means of 2 double-acting jacks. "
"Unloading chute with hydraulic tilting by means of a double-acting jack and 180° rotation, independent from the mixing drum inclination. Removable chute, for direct unloading from hopper. "
2 unloading chute extensions provided as standard equipment.
EQUIPMENT HYDRAULIC SYSTEM
Gear pump
Max. flow rate
45 litres/min.
Maximum pressure
180 bar
5-element distributor servo-controlled with multi-function joystick.
Aluminium heat exchanger for hydraulic oil cooling.
Pressurised closed-circuit intake with oil filter replaceable from the outside.
Chute lever distributor.
LOADER
"Loading arms with self-compensated kinematic mechanism, double-acting loader lifting and return cylinders, electro-hydraulically controlled hatch with standard Tip-Off function. "
Volumetric capacity
510 litres
Number of loaderfuls per load
around 7/8
CABIN
Closed cabin with heating system, designed in accordance with ROPS & FOPS 1st Level standards.
Sliding side window
180° pivoting driving post. Anatomic seat with fl exible suspension and height adjustment, seat belts.
SERVICE REFILL CAPACITIES
Fuel tank in polyethylene
90 litres
Total hydraulic system capacity
115 litres
Engine oil
7.96 kg
WEIGHTS
Operating weight
5,700 kg
Max gross weight
11,900 kg
load-carrying capacity
6,200 kg