Caterpillar industrial tractors

Caterpillar D3K

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.

Power-

Founded-

ModelD3K

View Images

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