Caterpillar 446B Backhoe Loader

Backhoe

Bucket Dig Force 15,200 lbs (6,895 kg)
Bucket Dig Force – Extended 15,150 lbs (6,872 kg)
Bucket Rotation 169 degrees
Dig Depth 17 ft (5 m)
Dig Depth – Extended 22 ft (7 m)
E-Stick Extended (1) 22 ft (7 m)
E-Stick Extended (2) 26 ft (8 m)
E-Stick Extended (3) 15,150 lbs (6,872 kg)
E-Stick Extended (4) 7,830 lbs (3,552 kg)
E-Stick Extended (5) 4,600 lbs (2,087 kg)
E-Stick Retracted (1) 17 ft (5 m)
E-Stick Retracted (2) 22 ft (7 m)
E-Stick Retracted (3) 15,150 lbs (6,872 kg)
E-Stick Retracted (4) 11,200 lbs (5,080 kg)
E-Stick Retracted (5) 13,660 lbs (6,196 kg)
Load Height – Extended 16 ft (5 m)
Loading Height 14 ft (4 m)
Loading Reach 7 ft (2 m)
Reach at Load Height – Extended 11 ft (3 m)
Reach from Swing Pivot 22 ft (7 m)
Reach From Swivel 22 ft (7 m)
Reach From Swivel – Extended 26 ft (8 m)
Stick Dig Force 10,800 lbs (4,899 kg)
Stick Lift at 2440 mm (8 ft) 13,540 lbs (6,142 kg)

Dimensions

Ground Clearance 1 ft (0 m)
Height to Top of Suspended Cab 9 ft (3 m)
Transport Length 25 ft (8 m)
Transport Width 8 ft (2 m)
Wheelbase 7 ft (2 m)

Engine

Bore 4 in (11 cm)
Displacement 268 cu in (4,392 cu cm)
Gross Power 110 hp (82 kw)
Gross Power – SAE J1995 110 hp (82 kw)
Net Power 102 hp (76 kw)
Net Power – SAE J1349 102 hp (76 kw)
Net Torque Rise – 1,400 rpm – Standard 32.6%
Number of Cylinders 4
Power Measured @ 2200 rpm
Stroke 5 in (13 cm)

Hydraulic System

4WD Cylinder – Bore 3 in (8 cm)
Brake System Fully enclosed, hydraulic, multiple disk
Circuit Type Closed – center
Power Steering Hydrostatic
Pump Capacity at 2,200 rpm 47 gpm (178 lpm)
Pump Flow Capacity 47 gpm (178 lpm)
Relief Valve Pressure 3248.9 psi
Steering Type Front Wheel

Loader

Bucket Breakout Force 12,589 lbs (5,710 kg)
Bucket Breakout Force – Single Tilt 11,610 lbs (5,266 kg)
Bucket Capacity 2 cu yd (1 cu m)
Bucket Capacity – General Purpose 2 cu yd (1 cu m)
Bucket Width 96 in (244 cm)
Bucket Width – General Purpose 96 ft (29 m)
Clearance at Max Dump Height 9 ft (3 m)
Dig Depth 6 in (16 cm)
Dig Depth – Single Tilt 6 in (16 cm)
Dump Height at Maximum Angle – Single Tilt 9 ft (3 m)
Dump Reach at Maximum Angle – Single Tilt 3 ft (1 m)
Lift Capacity at Full Height – Single Tilt 8,610 lbs (3,905 kg)
Reach at Max Dump Height 3 ft (1 m)

Operating Specifications

Fuel Capacity 33 gal (125 l)
Operating Weight 4wd 19,599 lbs (8,890 kg)
Tire Size Front – 2wd / 4wd 14.5/75 x16.1,10PR,F3 / 12.5×20,10PR,R4
Turning Circle – Outside – Front Wheels 29 ft (9 m)
Turning Circle – Outside, Widest Loading Bucket 37 ft (11 m)
Turning Radius 19 ft (6 m)

Power Train

Forward – 2nd 6 mph (9 kph)
Forward – 3rd 7 mph (12 kph)
Forward – 4th 12 mph (19 kph)
Reverse – 2nd 7 mph (12 kph)
Reverse – 3rd 13 mph (21 kph)

Service Refill

Cooling System – A/C 8 gal (30 l)
Engine Oil – With Filter 3 gal (11 l)
Front Axle (4WD) 3 gal (9 l)
Front Axle – Planetaries 0 gal (1 l)
Fuel Tank 33 gal (125 l)
Hydraulic System 41 gal (155 l)
Hydraulic Tank 15 gal (57 l)
Rear Axle 8 gal (31 l)

Standards

Cab – ROPS SAE J394, SAE J1040 Apr 88, ISO 3471 1986
Cab – Sound ANSI/SAE J1166 May 90 is 81 dB (A)
Exterior Sound SAE J88 Jun 86, is 76dB (A)
Front Axle (2WD) – Static 21,230 lbs (9,630 kg)
Front Axle (4WD) – Static 21,230 lbs (9,630 kg)
Rear Axle – Static 20,194 lbs (9,160 kg)

Tires

Rear Tires Size 21Lx24,12PR,R4

Transmission

Max Speed 20 mph (32 kph)
Max Speed – Reverse 13 mph (21 kph)
Number of Forward Gears 4
Number of Reverse Gears 3
Transmission Type auto-shift

Weights

Counterweights – Option 1 35 lbs (16 kg)
Operating Weight – Maximum 19,604 lbs (8,892 kg)
Operating Weight – Nominal 19,603 lbs (8,892 kg)
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