CAT 446B Backhoe Loader


Backhoe

Load Height – Std 14.15 ft in (4310 mm)
Reach From Swivel – Std 21.67 ft in (6604 mm)
Dig Depth – Std 17.13 ft in (5219 mm)
Reach At Load Height – Std 6.66 ft in (2027 mm)
Bucket Rotation 169 degrees
Loading Reach – Standard 6.66 ft in (2.03 m)
Bucket Dig Force – Ext 15150 lb (6871.93 kg)
Bucket Dig Force – Standard 15200 lb (6894.61 kg)
Bucket Dig Force – Std 15200 lb (6894.61 kg)
Dig Depth – Ext 21.42 ft in (6528 mm)
Dig Depth – Standard 17.2 ft in (5.25 m)
E-Stick Extended (1) 21.5 ft in (6.56 m)
E-Stick Extended (2) 25.75 ft in (7.85 m)
E-Stick Extended (3) 15150 lb (6871.93 kg)
E-Stick Extended (4) 7830 lb (3551.63 kg)
E-Stick Extended (5) 4600 lb (2086.53 kg)
E-Stick Retracted (1) 17 ft in (5.19 m)
E-Stick Retracted (2) 21.5 ft in (6.56 m)
E-Stick Retracted (3) 15150 lb (6871.93 kg)
E-Stick Retracted (4) 11200 lb (5080.24 kg)
E-Stick Retracted (5) 13660 lb (6196.08 kg)
Load Height – Ext 16.06 ft in (4894 mm)
Loading Height – Standard 14.2 ft in (4.33 m)
Reach At Load Height – Ext 10.7 ft in (3261 mm)
Reach From Swing Pivot – Standard 21.66 ft in (6.61 m)
Reach From Swivel – Ext 25.82 ft in (7868 mm)
Stick Dig Force – Standard 10800 lb (4898.8 kg)
Stick Lift At 2440 Mm (8 Ft) – Standard 13540 lb (6141.65 kg)

Dimensions

Transport Length 25.12 ft in (7654 mm)
Transport Width 7.99 ft in (2434 mm)
Transport Height 13.76 ft in (4193 mm)
Wheelbase 7.33 ft in (2233 mm)
Ground Clearance 1.09 ft in (332 mm)
Height To Top Of Suspended Cab 9.4 ft in (2864 mm)

Loader

Clearance At Max Dump Height 8.86 ft in (2699 mm)
Reach At Max Dump Height 2.85 ft in (868 mm)
Dig Depth 6.38 in (162 mm)
Dump Reach At Maximum Angle – Single Tilt 3 ft in (0.92 m)
Lift Capacity At Full Height – Single Tilt 8610 lb (3905.44 kg)
Bucket Breakout Force – Single Tilt 11610 lb (5266.21 kg)
Bucket Capacity – General Purpose 1.75 yd3 (1.34 m3)
Bucket Breakout Force 12589.3 lb (56 kN)
Bucket Capacity 1.44 yd3 (1.11 m3)
Dig Depth – Single Tilt 6.4 in (162.56 mm)
Bucket Width – General Purpose 96 ft
Lift Capacity At Full Height 8752.36 lb (3970 kg)
Bucket Width 95.83 in (2434 mm)
Dump Height At Maximum Angle – Single Tilt 8.9 ft in (2.72 m)

Engine Details

Number Of Cylinders 4
Engine Make CAT
Engine Model 3114 DIT
Gross Power 110 hp (82.1 kw)
Net Power 102 hp (76.1 kw)
Power Measured @ 2200 rpm
Displacement 268 cu in (4.4 L)
Bore 4.2 in (105 mm)
Stroke 5 in (127 mm)
Net Power – Sae J1349 102 hp (76.1 kw)
Gross Power – Sae J1995 110 hp (82.1 kw)
Net Torque Rise – 1,400 Rpm – Standard 32.6 %
Engine Model – Standard Cat 3114T Diesel
Net Power (Optional) – Sae J1349 101 hp (75.4 kw)
Net Power (Optional) – Iso 9249 102 hp (76.1 kw)
Net Power (Optional) – Iso 1585 102 hp (76.1 kw)
Net Power (Optional) – Eec 80/1269 102 hp (76.1 kw)
Net Power (Optional) – Din 70020 107PS

Operational Specs

Fuel Tank Capacity 33.1 gal (125 L)
Operating Weight 4wd 19599.1 lb (8890 kg)
Turning Radius 18.8 ft in (5700 mm)
Tire Size Front – 2wd / 4wd 14.5/75 x16.1,10PR,F3 / 12.5×20,10PR,R4
Rear Tires Size 2wd/4wd 21Lx24,12PR,R4

Power Train

Forward – 2nd 5.5 mph (8.9 km/h)
Forward – 3rd 7.2 mph (11.6 km/h)
Forward – 4th 11.7 mph (18.9 km/h)
Reverse – 2nd 7.2 mph (11.6 km/h)
Reverse – 3rd 12.8 mph (20.6 km/h)
Auto-Shift – Optional – Forward 1st 3.5 mph (5.7 km/h)
Forward – 5th 19.6 mph (31.6 km/h)
Auto-Shift – Optional – Reverse 1st 3.5 mph (5.7 km/h)

Transmission

Transmission Type auto-shift
Number Of Forward Gears 4
Number Of Reverse Gears 3
Max Speed – Forward 19.6 mph (31.5 km/h)
Max Speed Reverse 12.9 mph (20.6 km/h)

Weights

Operating Weight – Maximum 19603.5 lb (8892 kg)
Operating Weight – Nominal 19603 lb (8891.8 kg)
Counterweights – Option 1 35 lb (15.9 kg)

Hydraulic System

Stroke 1 ft in (281 mm)

Hydraulic

Pump Type LSPC closed center
Pump Flow Capacity 47.1 gal/min (178 L/min)
Relief Valve Pressure 3248.9 psi (22400 kPa)

Hydraulic System

Pump Type Variable – flow, axial piston
Circuit Type Closed – center
Pump Capacity At 2,200 Rpm 47 gal/min
System Pressure 3250 psi
Steering Type Front Wheel
Power Steering Hydrostatic
Rod Diameter 2.31 in
4wd Cylinder – Bore 3.25 in
Brake System Fully enclosed, hydraulic, multiple disk
2wd Cylinder – Bore 3.3 in (82.6 mm)

Standards

Cab – Rops SAE J394, SAE J1040 Apr 88, ISO 3471 1986
Brakes SAE J1473 October 1990 and ISO 3450 1985
Cab – Sound ANSI/SAE J1166 May 90 is 81 dB (A)
Exterior Sound SAE J88 Jun 86, is 76dB (A)

Axle Ratings

Front Axle (4wd) – Static 21230 lb (9629.8 kg)
Rear Axle – Static 20194 lb (9159.9 kg)
Front Axle (2wd) – Static 21230 lb (9629.8 kg)

Service Refill

Cooling System – A/C 7.9 gal (30 L)
Fuel Tank Capacity 33 gal (125 L)
Engine Oil – With Filter 2.9 gal (11 L)
Rear Axle 8.2 gal (31.1 L)
Front Axle (4wd) 2.5 gal (9.5 L)
Front Axle – Planetaries 0.3 gal (0.8 L)
Hydraulic System 41 gal (155.3 L)
Hydraulic Tank 15.1 gal (57.2 L)
Transmission – Auto-Shift – 2wd 6.9 gal (26.2 L)

Operating Specifications – Backhoe

Turning Circle – Outside – Front Wheels 28.8 ft in (8.8 m)
Turning Circle – Outside, Widest Loading Bucket 37.3 ft in (11.4 m)
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