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Caterpillar

446B

Backhoe Loader

Bucket Capacity
1.50 yd³
Max Speed
19.6 mph
Gross Power
110.0 hp
Net Power
102.0 hp
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Caterpillar 446B Backhoe Loader
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Specifications

101 data points

Operating Specifications

Operating Specifications specifications
Operating Weight 4wd19,599 lb
Fuel Capacity33.1 gal
Tire Size Front - 2wd / 4wd14.5/75 x16.110PRF3 / 12.5x2010PRR4
Turning Radius226 in
Turning Circle - Outside - Front Wheels346 in
Turning Circle - Outside, Widest Loading Bucket448 in

Engine

Engine specifications
Displacement268 in³
Power Measured @2,200 rpm
Gross Power110.0 hp
Net Power102.0 hp
Number of Cylinders4
Bore4 in
Stroke5 in
Gross Power - SAE J1995110.0 hp
Net Power - SAE J1349102.0 hp
Net Torque Rise - 1,400 rpm - Standard32.6 %

Weights

Weights specifications
Operating Weight - Maximum19,604 lb
Operating Weight - Nominal19,603 lb
Counterweights - Option 135 lb

Hydraulic System

Hydraulic System specifications
Pump Flow Capacity47.1 gal/min
Relief Valve Pressure3,249 psi
4WD Cylinder - Bore3 in
Brake SystemFully enclosed hydraulic multiple disk
Circuit TypeClosed - center
Power SteeringHydrostatic
Pump Capacity at 2,200 rpm47.0 gal/min
Steering TypeFront Wheel

Dimensions

Dimensions specifications
Ground Clearance13 in
Wheelbase89 in
Transport Width96 in
Transport Length302 in
Height to Top of Suspended Cab113 in

Transmission

Transmission specifications
Max Speed19.6 mph
Max Speed - Reverse12.9 mph
Number of Forward Gears4
Number of Reverse Gears3
Transmission Typeauto-shift

Tires & Wheels

Tires & Wheels specifications
Rear Tires Size21Lx2412PRR4

General Specifications

General Specifications specifications
Operating Weight lbs (kg)19,600 (8,890) Starting 2004 Model Year
Lift Capacity lbs (kgs)8,760 (3,973) Starting 2004 Model Year
Loading Height ft (m)16.1 (4.9) Starting 2004 Model Year
4th Gear Fwd mph (kmh)20.5 (33) Starting 2004 Model Year
Breakout Force lbs (kgs)12,600 (5,715) Starting 2004 Model Year
Digging Depth ft (m)21.4 (6.6) Starting 2004 Model Year
SAE Net hp (kW)102 (76) Starting 2004 Model Year

Backhoe

Backhoe specifications
Dig Depth206 in
Reach From Swivel260 in
Dig Depth - Extended258 in
Load Height - Extended193 in
Bucket Dig Force15,200 lb
Reach From Swivel - Extended311 in
Reach at Load Height - Extended128 in
Bucket Dig Force - Extended15,150 lb
Loading Height170 in
Bucket Rotation169 °
Loading Reach80 in
Stick Dig Force10,800 lb
E-Stick Extended (1)258 in
E-Stick Extended (2)309 in
E-Stick Extended (3)15,150 lb
E-Stick Extended (4)7,830 lb
E-Stick Extended (5)4,600 lb
E-Stick Retracted (1)204 in
E-Stick Retracted (2)258 in
E-Stick Retracted (3)15,150 lb
E-Stick Retracted (4)11,200 lb
E-Stick Retracted (5)13,660 lb
Reach from Swing Pivot260 in
Stick Lift at 2440 mm (8 ft)13,540 lb

Loader

Loader specifications
Bucket Capacity1.50 yd³
Bucket Capacity - General Purpose1.80 yd³
Lift Capacity at Full Height - Single Tilt8,610 lb
Clearance at Max Dump Height107 in
Bucket Breakout Force12,589 lb
Bucket Width96 in
Reach at Max Dump Height35 in
Dig Depth6 in
Bucket Breakout Force - Single Tilt11,610 lb
Bucket Width - General Purpose1,152 in
Dig Depth - Single Tilt6 in
Dump Height at Maximum Angle - Single Tilt107 in
Dump Reach at Maximum Angle - Single Tilt36 in

Standards

Standards specifications
Cab - ROPSSAE J394 SAE J1040 Apr 88 ISO 3471 1986
Cab - SoundANSI/SAE J1166 May 90 is 81 dB (A)
Exterior SoundSAE J88 Jun 86 is 76dB (A)
Front Axle (4WD) - Static21,230 lb
Rear Axle - Static20,194 lb
Front Axle (2WD) - Static21,230 lb

Power Train

Power Train specifications
Forward - 2nd5.5 mph
Forward - 3rd7.2 mph
Forward - 4th11.7 mph
Reverse - 2nd7.2 mph
Reverse - 3rd12.8 mph

Service Refill

Service Refill specifications
Fuel Tank33.0 gal
Engine Oil - With Filter2.9 gal
Front Axle (4WD)2.5 gal
Front Axle - Planetaries0.3 gal
Hydraulic System41.0 gal
Hydraulic Tank15.1 gal
Rear Axle8.2 gal
Cooling System - A/C7.9 gal

Comparable machines

Other backhoe loaders in a similar weight class.