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Caterpillar 446D

Caterpillar 446D tractor
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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.
Caterpillar 446Dbackhoe loadertractorspecificationsenginetransmissiondimensionshydraulicsattachments
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Model446D

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

Rollback:41°
Dump angle:45°
Bucket width:96 inches (243 cm)
Reach (dumped):34 inches (86 cm)
Bucket capacity:1.5 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

Type:Caterpillar Backhoe
Bucket force:16,950 lbs (7688 kg)
Digging depth:202 inches (513 cm)
Loading height:173 inches (439 cm)
Reach from pivot:261 inches (662 cm)
Dipperstick force:11,430 lbs (5184 kg)
2-Foot flat digging depth:200 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

Transmission

Type:Auto-Shift
Gears:5 forward and 3 reverse
Oil capacity:27.6 qts (26.1 L)

Backhoe & Loader

Dig depth:202 to 254 inches
Dump angle:45 inches (114 cm)