The Cat® 444F2 Backhoe Loader delivers performance, increased fuel efficiency, superior hydraulic system and an all new operator station.

Informações Tećnicas

Power – Net: 70 kW
Operating Weight – Nominal: 9606 kg
Operating Weight – Maximum: 11500 kg

Mais informações

Engine

Power – Net: 70 kW / 95.2 HP

Engine – EU Stage IV Standard Offering

Bore: 105 mm / 4.13 in
Displacement: 4.4 l / 268.5 in³
Emissions: Meets EU Stage IV emission standards.
Maximum Torque – 1,400 rpm: 438 N·m / 323 ft·lbf
Model: C4.4 ACERT Electronic Turbo Intercooled
Net Power – 2,200 rpm – 80/1269/EEC: 70 kW / 95.2 HP
Net Power – 2,200 rpm – ISO 9249: 70 kW / 95.2 HP
Rated Power (Standard) – 2,200 rpm – Gross – ISO 14396: 74.4 kW / 101.2 HP
Stroke: 127 mm / 5 in
Torque Rise – 1,400 rpm – Net: 46%

Weights

Operating Weight – Nominal: 9606 kg / 21178 lb
Operating Weight – Maximum: 11500 kg / 25353 lb
4.3 m Stick – Excluding Front Counterweight: 199 kg / 438.7 lb
4.9 m Stick – Excluding Front Counterweight: 354 kg / 780.4 lb
Air Conditioning: 34 kg / 75 lb
Counterweights – Base: 115 kg / 253.5 lb
Loader, IT with Quick Coupler: 365 kg / 804.7 lb
MP Bucket (1.15 m3/1.50 yd3) – With Fold-Over Forks: 927 kg / 2043.7 lb
MP Bucket (1.15 m3/1.50 yd3) – Without Fold-Over Forks: 767 kg / 1691 lb
Operating Weight: 9606 kg / 21178 lb
Operating Weight – ROPS Capacity – Maximum: 11500 kg / 25353 lb
Ride Control: 11 kg / 24.3 lb
Pin On – Minimum Counterweight Recommendations – Extendible Stick: Loader Bucket – GP: 0 kg / 0 lb
Pin On – Minimum Counterweight Recommendations – Extendible Stick: Loader Bucket – MP: 0 kg / 0 lb
Pin On – Minimum Counterweight Recommendations – Standard Stick: Loader Bucket – GP: 0 kg / 0 lb
Pin On – Minimum Counterweight Recommendations – Standard Stick: Loader Bucket – MP: 0 kg / 0 lb
Quick Coupler – Minimum Counterweight Recommendations – Extendible Stick: Loader Bucket – GP: 115 kg / 253.5 lb
Quick Coupler – Minimum Counterweight Recommendations – Extendible Stick: Loader Bucket – MP: 115 kg / 253.5 lb
Quick Coupler – Minimum Counterweight Recommendations – Standard Stick: Loader Bucket – GP: 115 kg / 253.5 lb
Quick Coupler – Minimum Counterweight Recommendations – Standard Stick: Loader Bucket – MP: 115 kg / 253.5 lb

Hydraulic System

Maximum Pump Capacity: 163 l/min / 42.3 gal/min
System Pressure – Backhoe: 250 bar / 3626 psi
System Pressure – Loader: 250 bar / 3626 psi
Type: Closed Center
Pump Type: Variable-flow, Axial Piston

Steering

AWD Cylinder, One (1) Double Acting – Bore: 65 mm / 2.6 in
AWD Cylinder, One (1) Double Acting – Rod Diameter: 65 mm / 2.6 in
AWD Cylinder, One (1) Double Acting – Stroke: 120 mm / 4.7 in
Turning Circle – AWD (inner wheel not braked) – Outside Front Wheels: 9.8 m / 32 ft
Turning Circle – AWD (inner wheel not braked) – Outside Widest Loader Bucket: 12.6 m / 41.3 ft
Type: Front Wheel
Power Steering: Hydrostatic
AWD Cylinder, One (1) Double Acting – Axle Oscillation: 7 mm / 0.3 in

Service Refill Capacities

Cooling System: 22 l / 5.8 gal (US)
Engine with Oil Filter: 8.8 l / 2.3 gal (US)
Front Axle (AWD) – Center Housing: 14 l / 3.7 gal (US)
Front Axle (AWD) – Planetaries: 1.7 l / 0.4 gal (US)
Fuel Tank: 160 l / 42.3 gal (US)
Hydraulic System: 95 l / 25.1 gal (US)
Hydraulic Tank: 40 l / 10.6 gal (US)
Rear Axle – Center Housing: 16 l / 4.2 gal (US)
Rear Axle – Planetaries: 1.7 l / 0.4 gal (US)
Transmission – Auto-Shift – AWD: 19 l / 5 gal (US)
Diesel Exhaust Fluid: 19 l / 5 gal (US)

Transmission – Auto-Shift

Forward – 1st: 6 km/h / 3.7 mT/hr
Forward – 2nd: 9.6 km/h / 6 mT/hr
Forward – 3rd: 12.5 km/h / 7.8 mT/hr
Forward – 4th: 19.6 km/h / 12.2 mT/hr
Forward – 5th: 26.8 km/h / 16.7 mT/hr
Forward – 6th: 40 km/h / 24.9 mT/hr
Reverse – 1st: 6 km/h / 3.7 mT/hr
Reverse – 2nd: 12.5 km/h / 7.8 mT/hr
Note: Travel speeds of Two Wheel Drive backhoe loader at full throttle, when equipped with 440/80R28 rear tires & HRC 74.5 kW engine.
Reverse – 3rd: 27.2 km/h / 16.9 mT/hr

Transmission – Auto-Shift* (Lock-Up)

Forward – 1st: 6 km/h / 3.7 mile/h
Forward – 2nd: 9.6 km/h / 6 mile/h
Forward – 3rd: 12.5 km/h / 7.8 mile/h
Forward – 4th: 19.6 km/h / 12.2 mile/h
Forward – 5th: 25.5 km/h / 15.8 mile/h
Forward – 6th: 40 km/h / 24.9 mile/h
Reverse – 1st: 6 km/h / 3.7 mile/h
Reverse – 2nd: 12.5 km/h / 7.8 mile/h
Note (1): *Auto-shift (lock-up) is an optional extra.
Note (2): Travel speeds of Two Wheel Drive backhoe loader at full throttle, when equipped with 440/80R28 rear tires & HRC 74.5 kW engine.
Reverse – 3rd: 27.2 km/h / 16.9 mile/h

Cat® C4.4 ACERT™ Engine – Optional

Gross Power – ISO 14396: 82 kW / 111.5 HP
Net Power – ISO 9249: 77.6 kW / 104 HP

Cat® C4.4 ACERT™ Engine – Standard

Gross Power – ISO 14396: 74.4 kW / 101.2 HP
Net Power – ISO 9249: 70 kW / 95.2 HP

Axles – All Wheel Drive (AWD)

Features (1): Heavy-duty rear axle with self adjusting inboard brakes, differential lock and final drives.
Features (2): AWD is engaged by front console panel switch or by brake pedal during all-wheel-braking operation.
Features (3): AWD can be engaged on the move, under load, in any gear, forward or reverse.
Features (4): AWD has outer final drives for easy maintenance.
Features (5): AWD front axle is pendulum mounted and permanently sealed and lubricated, requiring no daily maintenance.
Features (6): AWD also features double-acting steering cylinder with 52° steering angle for increased maneuverability.

Brakes

Type: Fully enclosed boosted, hydraulic, multiple discs.
Features (1): Inboard oil-immersed, hydraulically actuated multiple Kevlar discs on final drive input shaft.
Features (2): Completely enclosed and sealed.
Features (3): Self-adjusting.
Features (4): Dual foot-operated boosted brake pedals can be interlocked for roading.
Features (5): Parking/secondary brakes are independent of the service brake system.
Features (6): Parking brake is mechanically applied through a hand lever located in the right side console.
Features (7): Meets ISO 3450:1996 requirements.

Axle Ratings

Front Axle (AWD) – Dynamic: 9186 kg / 20252 lb
Front Axle (AWD) – Static: 22964 kg / 50627 lb
Rear Axle – Dynamic: 9186 kg / 20252 lb
Rear Axle – Static: 22964 kg / 50627 lb

Backhoe Digging Depth

Digging Depth – SAE Maximum – E-Stick Extended – 4.26 m: 5312 mm / 17.43 ft
Digging Depth – SAE Maximum – E-Stick Extended – 4.87 m: 5707 mm / 18.72 ft
Digging Depth – SAE Maximum – E-Stick Retracted – 4.26 m: 4335 mm / 14.22 ft
Digging Depth – SAE Maximum – E-Stick Retracted – 4.87 m: 4686 mm / 15.37 ft
Digging Depth – SAE Maximum – Standard Stick: 4331 mm / 14.21 ft

Engine – EU Stage IV Optional Offering

Bore: 105 mm / 4.13 in
Displacement: 4.4 l / 268.5 in³
Emissions: Meets EU Stage IV emission standards.
Maximum Torque – 1,400 rpm: 439 N·m / 324 ft·lbf
Model: C4.4 ACERT Electronic Turbo Intercooled
Net Power – 2,200 rpm – 80/1269/EEC: 77.6 kW / 105.6 HP
Net Power – 2,200 rpm – ISO 9249: 77.6 kW / 105.6 HP
Rated Power (Standard) – 2,200 rpm – Gross – ISO 14396: 82 kW / 111.5 HP
Stroke: 127 mm / 5 in
Torque Rise – 1,400 rpm – Net: 32%

Noise Level

Inside Cab: 74 dB(A) / 74 dB(A)
Outside Cab: 100 dB(A) / 100 dB(A)

Descrição

RETROESCAVADORAS/434F2 – RETROESCAVADORAS

RETROESCAVADORAS/444F2 – RETROESCAVADORAS

RETROESCAVADORAS/428F2 – RETROESCAVADORAS