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Caterpillar D3K

Caterpillar D3K tractor
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The Caterpillar D3K is a bulldozer manufactured by Caterpillar from 2007 to 2019. It features a 74 hp (55.2 kW) turbocharged 4.4L 4-cylinder diesel engine, hydrostatic transmission with infinite forward and reverse speeds, and crawler drive with double-reduction outboard planetary final drives. The tractor has a four-post ROPS with an optional cab with air-conditioning. Fuel capacity is 51.5 gallons (194.9 L) and hydraulic system capacity is 15.7 gallons (59.4 L). The D3K offers two blade attachments: a 104.2-inch VPAT blade and a 124-inch LGP blade, both with hydraulic lift and angle. Dimensions vary with track type, with operating weight ranging from 17185 to 17842 pounds. The electrical system includes a 120 amp alternator and two 12-volt batteries.
Caterpillar D3Kbulldozertractor specs74 hphydrostatic transmissioncrawlerVPAT bladeLGP blade
Power-
Founded-
ModelD3K

Technical Specifications

Detailed specifications and technical data for Caterpillar D3K

Power

Engine (net):74 hp (55.2 kW)

Engine

Type:turbocharged diesel
Model:Caterpillar C4.4
Cooling:liquid-cooled inline
Starter:electric
Cylinders:4-cylinder
Rated RPM:1900
Bore/Stroke:4.13x5.00 inches (105 x 127 mm)
Power (net):74 hp (55.2 kW)
Displacement:269 ci (4.4 L)
Oil capacity:11.6 qts (11.0 L)
Starter volts:12
Coolant capacity:23.7 qts (22.4 L)

Tracks

XL width:16 inches (40 cm)
LGP width:25 inches (63 cm)
XL area on ground:2637 in² (1.7 m²)
LGP area on ground:4124 in² (2.7 m²)
XL ground pressure:6.5 psi (0.4 bar)
LGP ground pressure:4.3 psi (0.3 bar)
XL length on ground:83 inches (210 cm)
LGP length on ground:83 inches (210 cm)

Capacity

Fuel:51.5 gal (194.9 L)
Hydraulic system:15.7 gal (59.4 L)

Dimensions

Gauge:59 inches (149 cm)
Width:74.8 inches (189 cm)
Length:128.9 inches (327 cm)
Gauge (LGP):68 inches (172 cm)
Width (LGP):92.9 inches (235 cm)
Height (cab):108.8 inches (276 cm)
LGP dozer length:167.6 inches (425 cm)
Operating weight:17185 lbs (7795 kg)
VPAT dozer length:168 inches (426 cm)
Operating weight (LGP):17842 lbs (8093 kg)

Electrical

Batteries:2
Battery CCA:750
Battery volts:12
Charging amps:120
Charging system:alternator

Hydraulics

Capacity:15.7 gal (59.4 L)
Pressure:2988 psi (206.0 bar)
Pump flow:19.4 gpm (73.4 lpm)

Mechanical

ROPS:Four-post ROPS. Cab available with air-conditioning.
Drive:crawler
Final drives:double-reduction outboard planetary

Production

Type:Bulldozer
Years made:2007 - 2019
Manufacturer:Caterpillar

Attachments

124" Blade:Caterpillar LGP, front-mount, 124 inches width (314 cm), 33.8 inches height (85 cm), 28.7 inches lift (72 cm), 17.2 inches tilt (43 cm), Angling 25°, 22.5 inches cut (57 cm), hydraulic-lift, hydraulic-angle
104.2" Blade:Caterpillar VPAT, front-mount, 104.2 inches width (264 cm), 35.8 inches height (90 cm), 28.7 inches lift (72 cm), 14.5 inches tilt (36 cm), Angling 25°, 22.5 inches cut (57 cm), hydraulic-lift, hydraulic-angle

Transmission

Type:hydrostatic
Gears:infinite forward and reverse

Related Models

Caterpillar D1

Model:D1

Caterpillar D3G

Model:D3G