Caterpillar industrial tractors

Caterpillar 446D

The Caterpillar 446D is a backhoe loader tractor produced from 2004 to 2008. It features a Caterpillar 4.4L 4-cylinder turbocharged diesel engine delivering 102 hp (76.1 kW) net and 110 hp (82.0 kW) gross power. The tractor has a 5-speed Auto-Shift transmission with 5 forward and 3 reverse gears. It offers 4x2 2WD drive with optional 4x4 MFWD 4WD, hydrostatic power steering, and differential hydraulic wet disc brakes. The 446D has a fuel capacity of 33 gallons and a hydraulic system capacity of 41 gallons with a closed center system operating at 3550 psi. Dimensions include an 88-inch wheelbase, 313-inch length, 98-inch width, and operating weight of 19,666 lbs. The backhoe attachment provides digging depths up to 254 inches and a bucket force up to 16,950 lbs. The front loader has a lift capacity of 9,592 lbs and a bucket capacity of 1.5 cubic yards. Electrical system includes a 90 amp alternator and two 12-volt batteries.

Power-

Founded-

Model446D

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Technical Specifications

Detailed specifications and technical data for Caterpillar 446D

Power

Engine	102 hp (76.1 kW)
Engine (gross)	110 hp (82.0 kW)

Tires

Industrial rear	21Lx24
Industrial front	14.5/75x16.1

Engine

Type	turbocharged diesel
Model	Caterpillar 3114 DIT
Power	102 hp (76.1 kW)
Torque	336 lb-ft (455.6 Nm)
Cooling	liquid-cooled
Cylinders	4-cylinder
Torque RPM	1400
Bore/Stroke	4.13x5.00 inches (105 x 127 mm)
Displacement	268 ci (4.4 L)
Oil capacity	11.6 qts (11.0 L)
Starter type	electric
Power (gross)	110 hp (82.0 kW)
Coolant capacity	31.6 qts (29.9 L)

Height

Cab	114 inches (289 cm)
Exhaust	117 inches (297 cm)
Overall	165 inches (419 cm)

Capacity

Fuel	33 gal (124.9 L)
Hydraulic system	41 gal (155.2 L)

Dimensions

Width	98 inches (248 cm)
Length	313 inches (795 cm)
Wheelbase	88 inches (223 cm)
Max weight	25,357 lbs (11501 kg)
Operating weight	19,666 lbs (8920 kg)

Electrical

Batteries	2
Battery CCA	750
Battery volts	12
Charging amps	90
Charging system	alternator

Hydraulics

Type	closed center
Capacity	41 gal (155.2 L)
Pressure	3550 psi (244.8 bar)
Total flow	47 gpm (177.9 lpm)

Mechanical

ROPS	canopy, optional cab with heat and A/C
Drive	4x2 2WD, 4x4 MFWD 4WD optional
Brakes	Differential hydraulic wet disc brakes
Steering	hydrostatic power

Production

Type	Backhoe loader tractor
Manufacturer	Caterpillar
Years produced	2004 - 2008

Attachments

Loader	Rollback41° Dump angle45° Bucket width96 inches (243 cm) Reach (dumped)34 inches (86 cm) Bucket capacity1.5 cu yd (1.1 cu m) Height (at pin)137 inches (347 cm) Clearance (dumped)107 inches (271 cm) Breakout force (bucket)13,868 lbs (6290 kg) Lift capacity (full at pin)9,592 lbs (4350 kg)
Backhoe	TypeCaterpillar Backhoe Bucket force16,950 lbs (7688 kg) Digging depth202 inches (513 cm) Loading height173 inches (439 cm) Reach from pivot261 inches (662 cm) Dipperstick force11,430 lbs (5184 kg) 2-Foot flat digging depth200 inches (508 cm) Bucket force (extended stick)16,400 lbs (7439 kg) Bucket force (retracted stick)16,400 lbs (7439 kg) Digging depth (extended stick)254 inches (645 cm) Digging depth (retracted stick)205 inches (520 cm) Loading height (extended stick)199 inches (505 cm) Loading height (retracted stick)173 inches (439 cm) Reach from pivot (extended stick)311 inches (789 cm) Dipperstick force (extended stick)8,275 lbs (3753 kg) Reach from pivot (retracted stick)264 inches (670 cm) Dipperstick force (retracted stick)11,260 lbs (5107 kg) 2-Foot flat digging depth (extended stick)253 inches (642 cm) 2-Foot flat digging depth (retracted stick)204 inches (518 cm)
Attachment overview	Front-end loader, Backhoe