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Retroescavadora 434

A retroescavadora Cat® 444 fornece um motor C3.6 Stage V, conforto e controlo óptimos do operador, ecrãs interactivos, uma transmissão powershift, uma lança Escavadora, hidráulica potente e eficiente, modos de gestão de potência, e Product Link™.

Peso Operacional 9170 kg
Observação Machine Configuration – HRC 74.5 kW engine; standard stick hoe; standard cab with A/C; AWD standard shift transmission; 1.15 m3 MP loader bucket; 600 mm standard duty hoe bucket; 440/80R24 tires; no counterweight; 80 kg operator; full fuel tank.

Power - Net 68 kW
Power 74.4 kW

Operating Weight - Nominal 9170 kg
Operating Weight - Maximum 11500 kg
Air Conditioning 32 kg
Auto-Shift Transmission 109 kg
Cab - ROPS/FOPS Standard
Counterweights - Base 115 kg
Counterweights - Maximum 115 kg
Extendible Stick - Excludes Front Counterweight 203 kg
Minimum Counterweight Recommendations - Extendible Stick: Loader Bucket - GP
Minimum Counterweight Recommendations - Extendible Stick: Loader Bucket - MP
Minimum Counterweight Recommendations - Standard Stick: Loader Bucket - GP
Minimum Counterweight Recommendations - Standard Stick: Loader Bucket - MP
MP Bucket (1.15 m3/1.50 yd3) - With Fold-Over Forks 975 kg
MP Bucket (1.15 m3/1.50 yd3) - Without Fold-Over Forks 776 kg
Operating Weight - Maximum - ROPS Capacity 11500 kg
Ride Control 15 kg
Total Gross Weight Not to Exceed 11500 kg

Engine Oil - With Filter 9 l
Cooling System - A/C 17.5 l
Rear Axle 16 l
Rear Axle - Planetaries 1.7 l
Front Axle 14 l
Front Axle - Planetaries 1.7 l

Tipo de Bomba Variable-Flow, Axial Piston
Tipo Closed Center

Tanque de Combustível 160 l
Fluido de Escape Diesel 19 l
Reservatório Hidráulico 42 l
Sistema Hidráulico 95 l

Front Axle - Dynamic 9186 kg
Front Axle - Static 22964 kg
Rear Axle - Dynamic 9186 kg
Rear Axle - Static 22964 kg

Dig Depth 4827 mm/5748 mm (E-Stick)

Bore 98 mm
Displacement 3.6 l
Emissions Meets EU Stage V emission standards.
Engine C3.6 74.4 kW Electronic Turbo Intercooled
Net Power Rating @ 2,200 rpm - ISO 9249:2007 68 kW/92 hp
Net Power Rating @ 2,200 rpm - SAE J1349:2011 68 kW/92 hp
Net Torque - SAE J1349 436 N·m
Note (1) Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.
Note (2) No derating required up to 3048 m altitude. Auto derate protects hydraulic and transmission systems.
Ratings at 2,200 rpm - Engine Power ISO 14396:2002 74 kW/101 hp
Ratings at 2,200 rpm - Gross Power SAE J1995:2014 76 kW/103 hp
Stroke 120 mm
Torque Rise (net) 48% @ 1,500 rpm
Note (3) Advertised power is tested per the specified standard in effect at the time of manufacture.

Pump Capacity @ 2,200 rpm 160 l/min
System Pressure - Backhoe 250 bar
System Pressure - Loader 250 bar

Breakout Force 60.7 kN

Controls Mechanical Loader; Mechanical Hoe (Pilot Hoe Optional)

Transmission (Powershift/Autoshift) 19 l
Transmission (Standard Shift) 18 l

AWD Cylinder, One (1) Double Acting - Bore 85 mm
AWD Cylinder, One (1) Double Acting - Rod Diameter 42 mm
AWD Cylinder, One (1) Double Acting - Stroke 117 mm
Turning Circle (28" Tires) - AWD (inner wheel not braked) - Outside Front Wheels 9.8 m
Turning Circle (28" Tires) - AWD (inner wheel not braked) - Outside Widest Loader Bucket 12.6 m
Type Front Wheel
Power Steering Hydrostatic

Observação Travel speeds of backhoe loader at full throttle, when equipped with 440/80-28 rear tires.

Forward - 1st 6 km/h
Forward - 2nd 10 km/h
Forward - 3rd 12 km/h
Forward - 4th 20 km/h
Forward - 5th 27 km/h
Forward - 6th 40 km/h
Reverse - 1st 6 km/h
Reverse - 2nd 12 km/h
Reverse - 3rd 27 km/h

Forward - 1st 6 km/h
Forward - 2nd 10 km/h
Forward - 3rd 12 km/h
Forward - 4th 20 km/h
Forward - 5th 27 km/h
Forward - 6th 40 km/h
Reverse - 1st 6 km/h
Reverse - 2nd 12 km/h
Reverse - 3rd 27 km/h

Forward - 1st 6 km/h
Forward - 2nd 10 km/h
Forward - 3rd 20 km/h
Forward - 4th 40 km/h
Reverse - 1st 6 km/h
Reverse - 2nd 12 km/h
Reverse - 3rd 27 km/h

Forward - 1st 6 km/h
Forward - 2nd 9 km/h
Forward - 3rd 21 km/h
Forward - 4th 40 km/h
Reverse - 1st 6 km/h
Reverse - 2nd 9 km/h
Reverse - 3rd 21 km/h
Reverse - 4th 40 km/h

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